diff options
Diffstat (limited to 'fs')
52 files changed, 451 insertions, 398 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index eaf133384a8f..8bc5e8ccb091 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c | |||
| @@ -36,16 +36,23 @@ static int check_extent_in_eb(struct btrfs_key *key, struct extent_buffer *eb, | |||
| 36 | u64 extent_item_pos, | 36 | u64 extent_item_pos, |
| 37 | struct extent_inode_elem **eie) | 37 | struct extent_inode_elem **eie) |
| 38 | { | 38 | { |
| 39 | u64 data_offset; | 39 | u64 offset = 0; |
| 40 | u64 data_len; | ||
| 41 | struct extent_inode_elem *e; | 40 | struct extent_inode_elem *e; |
| 42 | 41 | ||
| 43 | data_offset = btrfs_file_extent_offset(eb, fi); | 42 | if (!btrfs_file_extent_compression(eb, fi) && |
| 44 | data_len = btrfs_file_extent_num_bytes(eb, fi); | 43 | !btrfs_file_extent_encryption(eb, fi) && |
| 44 | !btrfs_file_extent_other_encoding(eb, fi)) { | ||
| 45 | u64 data_offset; | ||
| 46 | u64 data_len; | ||
| 45 | 47 | ||
| 46 | if (extent_item_pos < data_offset || | 48 | data_offset = btrfs_file_extent_offset(eb, fi); |
| 47 | extent_item_pos >= data_offset + data_len) | 49 | data_len = btrfs_file_extent_num_bytes(eb, fi); |
| 48 | return 1; | 50 | |
| 51 | if (extent_item_pos < data_offset || | ||
| 52 | extent_item_pos >= data_offset + data_len) | ||
| 53 | return 1; | ||
| 54 | offset = extent_item_pos - data_offset; | ||
| 55 | } | ||
| 49 | 56 | ||
| 50 | e = kmalloc(sizeof(*e), GFP_NOFS); | 57 | e = kmalloc(sizeof(*e), GFP_NOFS); |
| 51 | if (!e) | 58 | if (!e) |
| @@ -53,7 +60,7 @@ static int check_extent_in_eb(struct btrfs_key *key, struct extent_buffer *eb, | |||
| 53 | 60 | ||
| 54 | e->next = *eie; | 61 | e->next = *eie; |
| 55 | e->inum = key->objectid; | 62 | e->inum = key->objectid; |
| 56 | e->offset = key->offset + (extent_item_pos - data_offset); | 63 | e->offset = key->offset + offset; |
| 57 | *eie = e; | 64 | *eie = e; |
| 58 | 65 | ||
| 59 | return 0; | 66 | return 0; |
| @@ -189,7 +196,7 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path, | |||
| 189 | struct extent_buffer *eb; | 196 | struct extent_buffer *eb; |
| 190 | struct btrfs_key key; | 197 | struct btrfs_key key; |
| 191 | struct btrfs_file_extent_item *fi; | 198 | struct btrfs_file_extent_item *fi; |
| 192 | struct extent_inode_elem *eie = NULL; | 199 | struct extent_inode_elem *eie = NULL, *old = NULL; |
| 193 | u64 disk_byte; | 200 | u64 disk_byte; |
| 194 | 201 | ||
| 195 | if (level != 0) { | 202 | if (level != 0) { |
| @@ -223,6 +230,7 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path, | |||
| 223 | 230 | ||
| 224 | if (disk_byte == wanted_disk_byte) { | 231 | if (disk_byte == wanted_disk_byte) { |
| 225 | eie = NULL; | 232 | eie = NULL; |
| 233 | old = NULL; | ||
| 226 | if (extent_item_pos) { | 234 | if (extent_item_pos) { |
| 227 | ret = check_extent_in_eb(&key, eb, fi, | 235 | ret = check_extent_in_eb(&key, eb, fi, |
| 228 | *extent_item_pos, | 236 | *extent_item_pos, |
| @@ -230,18 +238,20 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path, | |||
| 230 | if (ret < 0) | 238 | if (ret < 0) |
| 231 | break; | 239 | break; |
| 232 | } | 240 | } |
| 233 | if (!ret) { | 241 | if (ret > 0) |
| 234 | ret = ulist_add(parents, eb->start, | 242 | goto next; |
| 235 | (uintptr_t)eie, GFP_NOFS); | 243 | ret = ulist_add_merge(parents, eb->start, |
| 236 | if (ret < 0) | 244 | (uintptr_t)eie, |
| 237 | break; | 245 | (u64 *)&old, GFP_NOFS); |
| 238 | if (!extent_item_pos) { | 246 | if (ret < 0) |
| 239 | ret = btrfs_next_old_leaf(root, path, | 247 | break; |
| 240 | time_seq); | 248 | if (!ret && extent_item_pos) { |
| 241 | continue; | 249 | while (old->next) |
| 242 | } | 250 | old = old->next; |
| 251 | old->next = eie; | ||
| 243 | } | 252 | } |
| 244 | } | 253 | } |
| 254 | next: | ||
| 245 | ret = btrfs_next_old_item(root, path, time_seq); | 255 | ret = btrfs_next_old_item(root, path, time_seq); |
| 246 | } | 256 | } |
| 247 | 257 | ||
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 5bf4c39e2ad6..ed504607d8ec 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c | |||
| @@ -1271,7 +1271,6 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct extent_buffer *eb, | |||
| 1271 | BUG_ON(!eb_rewin); | 1271 | BUG_ON(!eb_rewin); |
| 1272 | } | 1272 | } |
| 1273 | 1273 | ||
| 1274 | extent_buffer_get(eb_rewin); | ||
| 1275 | btrfs_tree_read_unlock(eb); | 1274 | btrfs_tree_read_unlock(eb); |
| 1276 | free_extent_buffer(eb); | 1275 | free_extent_buffer(eb); |
| 1277 | 1276 | ||
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 583d98bd065e..fe443fece851 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c | |||
| @@ -4048,7 +4048,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |||
| 4048 | } | 4048 | } |
| 4049 | 4049 | ||
| 4050 | while (!end) { | 4050 | while (!end) { |
| 4051 | u64 offset_in_extent; | 4051 | u64 offset_in_extent = 0; |
| 4052 | 4052 | ||
| 4053 | /* break if the extent we found is outside the range */ | 4053 | /* break if the extent we found is outside the range */ |
| 4054 | if (em->start >= max || extent_map_end(em) < off) | 4054 | if (em->start >= max || extent_map_end(em) < off) |
| @@ -4064,9 +4064,12 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |||
| 4064 | 4064 | ||
| 4065 | /* | 4065 | /* |
| 4066 | * record the offset from the start of the extent | 4066 | * record the offset from the start of the extent |
| 4067 | * for adjusting the disk offset below | 4067 | * for adjusting the disk offset below. Only do this if the |
| 4068 | * extent isn't compressed since our in ram offset may be past | ||
| 4069 | * what we have actually allocated on disk. | ||
| 4068 | */ | 4070 | */ |
| 4069 | offset_in_extent = em_start - em->start; | 4071 | if (!test_bit(EXTENT_FLAG_COMPRESSED, &em->flags)) |
| 4072 | offset_in_extent = em_start - em->start; | ||
| 4070 | em_end = extent_map_end(em); | 4073 | em_end = extent_map_end(em); |
| 4071 | em_len = em_end - em_start; | 4074 | em_len = em_end - em_start; |
| 4072 | emflags = em->flags; | 4075 | emflags = em->flags; |
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index a005fe2c072a..8e686a427ce2 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c | |||
| @@ -596,20 +596,29 @@ void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, | |||
| 596 | if (no_splits) | 596 | if (no_splits) |
| 597 | goto next; | 597 | goto next; |
| 598 | 598 | ||
| 599 | if (em->block_start < EXTENT_MAP_LAST_BYTE && | 599 | if (em->start < start) { |
| 600 | em->start < start) { | ||
| 601 | split->start = em->start; | 600 | split->start = em->start; |
| 602 | split->len = start - em->start; | 601 | split->len = start - em->start; |
| 603 | split->orig_start = em->orig_start; | ||
| 604 | split->block_start = em->block_start; | ||
| 605 | 602 | ||
| 606 | if (compressed) | 603 | if (em->block_start < EXTENT_MAP_LAST_BYTE) { |
| 607 | split->block_len = em->block_len; | 604 | split->orig_start = em->orig_start; |
| 608 | else | 605 | split->block_start = em->block_start; |
| 609 | split->block_len = split->len; | 606 | |
| 610 | split->ram_bytes = em->ram_bytes; | 607 | if (compressed) |
| 611 | split->orig_block_len = max(split->block_len, | 608 | split->block_len = em->block_len; |
| 612 | em->orig_block_len); | 609 | else |
| 610 | split->block_len = split->len; | ||
| 611 | split->orig_block_len = max(split->block_len, | ||
| 612 | em->orig_block_len); | ||
| 613 | split->ram_bytes = em->ram_bytes; | ||
| 614 | } else { | ||
| 615 | split->orig_start = split->start; | ||
| 616 | split->block_len = 0; | ||
| 617 | split->block_start = em->block_start; | ||
| 618 | split->orig_block_len = 0; | ||
| 619 | split->ram_bytes = split->len; | ||
| 620 | } | ||
| 621 | |||
| 613 | split->generation = gen; | 622 | split->generation = gen; |
| 614 | split->bdev = em->bdev; | 623 | split->bdev = em->bdev; |
| 615 | split->flags = flags; | 624 | split->flags = flags; |
| @@ -620,8 +629,7 @@ void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, | |||
| 620 | split = split2; | 629 | split = split2; |
| 621 | split2 = NULL; | 630 | split2 = NULL; |
| 622 | } | 631 | } |
| 623 | if (em->block_start < EXTENT_MAP_LAST_BYTE && | 632 | if (testend && em->start + em->len > start + len) { |
| 624 | testend && em->start + em->len > start + len) { | ||
| 625 | u64 diff = start + len - em->start; | 633 | u64 diff = start + len - em->start; |
| 626 | 634 | ||
| 627 | split->start = start + len; | 635 | split->start = start + len; |
| @@ -630,18 +638,28 @@ void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, | |||
| 630 | split->flags = flags; | 638 | split->flags = flags; |
| 631 | split->compress_type = em->compress_type; | 639 | split->compress_type = em->compress_type; |
| 632 | split->generation = gen; | 640 | split->generation = gen; |
| 633 | split->orig_block_len = max(em->block_len, | 641 | |
| 642 | if (em->block_start < EXTENT_MAP_LAST_BYTE) { | ||
| 643 | split->orig_block_len = max(em->block_len, | ||
| 634 | em->orig_block_len); | 644 | em->orig_block_len); |
| 635 | split->ram_bytes = em->ram_bytes; | ||
| 636 | 645 | ||
| 637 | if (compressed) { | 646 | split->ram_bytes = em->ram_bytes; |
| 638 | split->block_len = em->block_len; | 647 | if (compressed) { |
| 639 | split->block_start = em->block_start; | 648 | split->block_len = em->block_len; |
| 640 | split->orig_start = em->orig_start; | 649 | split->block_start = em->block_start; |
| 650 | split->orig_start = em->orig_start; | ||
| 651 | } else { | ||
| 652 | split->block_len = split->len; | ||
| 653 | split->block_start = em->block_start | ||
| 654 | + diff; | ||
| 655 | split->orig_start = em->orig_start; | ||
| 656 | } | ||
| 641 | } else { | 657 | } else { |
| 642 | split->block_len = split->len; | 658 | split->ram_bytes = split->len; |
| 643 | split->block_start = em->block_start + diff; | 659 | split->orig_start = split->start; |
| 644 | split->orig_start = em->orig_start; | 660 | split->block_len = 0; |
| 661 | split->block_start = em->block_start; | ||
| 662 | split->orig_block_len = 0; | ||
| 645 | } | 663 | } |
| 646 | 664 | ||
| 647 | ret = add_extent_mapping(em_tree, split, modified); | 665 | ret = add_extent_mapping(em_tree, split, modified); |
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 6d1b93c8aafb..021694c08181 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c | |||
| @@ -2166,16 +2166,23 @@ static noinline int record_one_backref(u64 inum, u64 offset, u64 root_id, | |||
| 2166 | if (btrfs_file_extent_disk_bytenr(leaf, extent) != old->bytenr) | 2166 | if (btrfs_file_extent_disk_bytenr(leaf, extent) != old->bytenr) |
| 2167 | continue; | 2167 | continue; |
| 2168 | 2168 | ||
| 2169 | extent_offset = btrfs_file_extent_offset(leaf, extent); | 2169 | /* |
| 2170 | if (key.offset - extent_offset != offset) | 2170 | * 'offset' refers to the exact key.offset, |
| 2171 | * NOT the 'offset' field in btrfs_extent_data_ref, ie. | ||
| 2172 | * (key.offset - extent_offset). | ||
| 2173 | */ | ||
| 2174 | if (key.offset != offset) | ||
| 2171 | continue; | 2175 | continue; |
| 2172 | 2176 | ||
| 2177 | extent_offset = btrfs_file_extent_offset(leaf, extent); | ||
| 2173 | num_bytes = btrfs_file_extent_num_bytes(leaf, extent); | 2178 | num_bytes = btrfs_file_extent_num_bytes(leaf, extent); |
| 2179 | |||
| 2174 | if (extent_offset >= old->extent_offset + old->offset + | 2180 | if (extent_offset >= old->extent_offset + old->offset + |
| 2175 | old->len || extent_offset + num_bytes <= | 2181 | old->len || extent_offset + num_bytes <= |
| 2176 | old->extent_offset + old->offset) | 2182 | old->extent_offset + old->offset) |
| 2177 | continue; | 2183 | continue; |
| 2178 | 2184 | ||
| 2185 | ret = 0; | ||
| 2179 | break; | 2186 | break; |
| 2180 | } | 2187 | } |
| 2181 | 2188 | ||
| @@ -2187,7 +2194,7 @@ static noinline int record_one_backref(u64 inum, u64 offset, u64 root_id, | |||
| 2187 | 2194 | ||
| 2188 | backref->root_id = root_id; | 2195 | backref->root_id = root_id; |
| 2189 | backref->inum = inum; | 2196 | backref->inum = inum; |
| 2190 | backref->file_pos = offset + extent_offset; | 2197 | backref->file_pos = offset; |
| 2191 | backref->num_bytes = num_bytes; | 2198 | backref->num_bytes = num_bytes; |
| 2192 | backref->extent_offset = extent_offset; | 2199 | backref->extent_offset = extent_offset; |
| 2193 | backref->generation = btrfs_file_extent_generation(leaf, extent); | 2200 | backref->generation = btrfs_file_extent_generation(leaf, extent); |
| @@ -2210,7 +2217,8 @@ static noinline bool record_extent_backrefs(struct btrfs_path *path, | |||
| 2210 | new->path = path; | 2217 | new->path = path; |
| 2211 | 2218 | ||
| 2212 | list_for_each_entry_safe(old, tmp, &new->head, list) { | 2219 | list_for_each_entry_safe(old, tmp, &new->head, list) { |
| 2213 | ret = iterate_inodes_from_logical(old->bytenr, fs_info, | 2220 | ret = iterate_inodes_from_logical(old->bytenr + |
| 2221 | old->extent_offset, fs_info, | ||
| 2214 | path, record_one_backref, | 2222 | path, record_one_backref, |
| 2215 | old); | 2223 | old); |
| 2216 | BUG_ON(ret < 0 && ret != -ENOENT); | 2224 | BUG_ON(ret < 0 && ret != -ENOENT); |
| @@ -4391,9 +4399,6 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr) | |||
| 4391 | int mask = attr->ia_valid; | 4399 | int mask = attr->ia_valid; |
| 4392 | int ret; | 4400 | int ret; |
| 4393 | 4401 | ||
| 4394 | if (newsize == oldsize) | ||
| 4395 | return 0; | ||
| 4396 | |||
| 4397 | /* | 4402 | /* |
| 4398 | * The regular truncate() case without ATTR_CTIME and ATTR_MTIME is a | 4403 | * The regular truncate() case without ATTR_CTIME and ATTR_MTIME is a |
| 4399 | * special case where we need to update the times despite not having | 4404 | * special case where we need to update the times despite not having |
| @@ -5165,14 +5170,31 @@ next: | |||
| 5165 | } | 5170 | } |
| 5166 | 5171 | ||
| 5167 | /* Reached end of directory/root. Bump pos past the last item. */ | 5172 | /* Reached end of directory/root. Bump pos past the last item. */ |
| 5168 | if (key_type == BTRFS_DIR_INDEX_KEY) | 5173 | ctx->pos++; |
| 5169 | /* | 5174 | |
| 5170 | * 32-bit glibc will use getdents64, but then strtol - | 5175 | /* |
| 5171 | * so the last number we can serve is this. | 5176 | * Stop new entries from being returned after we return the last |
| 5172 | */ | 5177 | * entry. |
| 5173 | ctx->pos = 0x7fffffff; | 5178 | * |
| 5174 | else | 5179 | * New directory entries are assigned a strictly increasing |
| 5175 | ctx->pos++; | 5180 | * offset. This means that new entries created during readdir |
| 5181 | * are *guaranteed* to be seen in the future by that readdir. | ||
| 5182 | * This has broken buggy programs which operate on names as | ||
| 5183 | * they're returned by readdir. Until we re-use freed offsets | ||
| 5184 | * we have this hack to stop new entries from being returned | ||
| 5185 | * under the assumption that they'll never reach this huge | ||
| 5186 | * offset. | ||
| 5187 | * | ||
| 5188 | * This is being careful not to overflow 32bit loff_t unless the | ||
| 5189 | * last entry requires it because doing so has broken 32bit apps | ||
| 5190 | * in the past. | ||
| 5191 | */ | ||
| 5192 | if (key_type == BTRFS_DIR_INDEX_KEY) { | ||
| 5193 | if (ctx->pos >= INT_MAX) | ||
| 5194 | ctx->pos = LLONG_MAX; | ||
| 5195 | else | ||
| 5196 | ctx->pos = INT_MAX; | ||
| 5197 | } | ||
| 5176 | nopos: | 5198 | nopos: |
| 5177 | ret = 0; | 5199 | ret = 0; |
| 5178 | err: | 5200 | err: |
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index d58cce77fc6c..af1931a5960d 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c | |||
| @@ -983,12 +983,12 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans, | |||
| 983 | * a dirty root struct and adds it into the list of dead roots that need to | 983 | * a dirty root struct and adds it into the list of dead roots that need to |
| 984 | * be deleted | 984 | * be deleted |
| 985 | */ | 985 | */ |
| 986 | int btrfs_add_dead_root(struct btrfs_root *root) | 986 | void btrfs_add_dead_root(struct btrfs_root *root) |
| 987 | { | 987 | { |
| 988 | spin_lock(&root->fs_info->trans_lock); | 988 | spin_lock(&root->fs_info->trans_lock); |
| 989 | list_add_tail(&root->root_list, &root->fs_info->dead_roots); | 989 | if (list_empty(&root->root_list)) |
| 990 | list_add_tail(&root->root_list, &root->fs_info->dead_roots); | ||
| 990 | spin_unlock(&root->fs_info->trans_lock); | 991 | spin_unlock(&root->fs_info->trans_lock); |
| 991 | return 0; | ||
| 992 | } | 992 | } |
| 993 | 993 | ||
| 994 | /* | 994 | /* |
| @@ -1925,7 +1925,7 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root) | |||
| 1925 | } | 1925 | } |
| 1926 | root = list_first_entry(&fs_info->dead_roots, | 1926 | root = list_first_entry(&fs_info->dead_roots, |
| 1927 | struct btrfs_root, root_list); | 1927 | struct btrfs_root, root_list); |
| 1928 | list_del(&root->root_list); | 1928 | list_del_init(&root->root_list); |
| 1929 | spin_unlock(&fs_info->trans_lock); | 1929 | spin_unlock(&fs_info->trans_lock); |
| 1930 | 1930 | ||
| 1931 | pr_debug("btrfs: cleaner removing %llu\n", | 1931 | pr_debug("btrfs: cleaner removing %llu\n", |
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 005b0375d18c..defbc4269897 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h | |||
| @@ -143,7 +143,7 @@ int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid); | |||
| 143 | int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans, | 143 | int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans, |
| 144 | struct btrfs_root *root); | 144 | struct btrfs_root *root); |
| 145 | 145 | ||
| 146 | int btrfs_add_dead_root(struct btrfs_root *root); | 146 | void btrfs_add_dead_root(struct btrfs_root *root); |
| 147 | int btrfs_defrag_root(struct btrfs_root *root); | 147 | int btrfs_defrag_root(struct btrfs_root *root); |
| 148 | int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root); | 148 | int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root); |
| 149 | int btrfs_commit_transaction(struct btrfs_trans_handle *trans, | 149 | int btrfs_commit_transaction(struct btrfs_trans_handle *trans, |
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 2c6791493637..ff60d8978ae2 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c | |||
| @@ -3746,8 +3746,9 @@ next_slot: | |||
| 3746 | } | 3746 | } |
| 3747 | 3747 | ||
| 3748 | log_extents: | 3748 | log_extents: |
| 3749 | btrfs_release_path(path); | ||
| 3750 | btrfs_release_path(dst_path); | ||
| 3749 | if (fast_search) { | 3751 | if (fast_search) { |
| 3750 | btrfs_release_path(dst_path); | ||
| 3751 | ret = btrfs_log_changed_extents(trans, root, inode, dst_path); | 3752 | ret = btrfs_log_changed_extents(trans, root, inode, dst_path); |
| 3752 | if (ret) { | 3753 | if (ret) { |
| 3753 | err = ret; | 3754 | err = ret; |
| @@ -3764,8 +3765,6 @@ log_extents: | |||
| 3764 | } | 3765 | } |
| 3765 | 3766 | ||
| 3766 | if (inode_only == LOG_INODE_ALL && S_ISDIR(inode->i_mode)) { | 3767 | if (inode_only == LOG_INODE_ALL && S_ISDIR(inode->i_mode)) { |
| 3767 | btrfs_release_path(path); | ||
| 3768 | btrfs_release_path(dst_path); | ||
| 3769 | ret = log_directory_changes(trans, root, inode, path, dst_path); | 3768 | ret = log_directory_changes(trans, root, inode, path, dst_path); |
| 3770 | if (ret) { | 3769 | if (ret) { |
| 3771 | err = ret; | 3770 | err = ret; |
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index 45e57cc38200..fc6f4f3a1a9d 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c | |||
| @@ -43,17 +43,18 @@ cifs_crypto_shash_md5_allocate(struct TCP_Server_Info *server) | |||
| 43 | server->secmech.md5 = crypto_alloc_shash("md5", 0, 0); | 43 | server->secmech.md5 = crypto_alloc_shash("md5", 0, 0); |
| 44 | if (IS_ERR(server->secmech.md5)) { | 44 | if (IS_ERR(server->secmech.md5)) { |
| 45 | cifs_dbg(VFS, "could not allocate crypto md5\n"); | 45 | cifs_dbg(VFS, "could not allocate crypto md5\n"); |
| 46 | return PTR_ERR(server->secmech.md5); | 46 | rc = PTR_ERR(server->secmech.md5); |
| 47 | server->secmech.md5 = NULL; | ||
| 48 | return rc; | ||
| 47 | } | 49 | } |
| 48 | 50 | ||
| 49 | size = sizeof(struct shash_desc) + | 51 | size = sizeof(struct shash_desc) + |
| 50 | crypto_shash_descsize(server->secmech.md5); | 52 | crypto_shash_descsize(server->secmech.md5); |
| 51 | server->secmech.sdescmd5 = kmalloc(size, GFP_KERNEL); | 53 | server->secmech.sdescmd5 = kmalloc(size, GFP_KERNEL); |
| 52 | if (!server->secmech.sdescmd5) { | 54 | if (!server->secmech.sdescmd5) { |
| 53 | rc = -ENOMEM; | ||
| 54 | crypto_free_shash(server->secmech.md5); | 55 | crypto_free_shash(server->secmech.md5); |
| 55 | server->secmech.md5 = NULL; | 56 | server->secmech.md5 = NULL; |
| 56 | return rc; | 57 | return -ENOMEM; |
| 57 | } | 58 | } |
| 58 | server->secmech.sdescmd5->shash.tfm = server->secmech.md5; | 59 | server->secmech.sdescmd5->shash.tfm = server->secmech.md5; |
| 59 | server->secmech.sdescmd5->shash.flags = 0x0; | 60 | server->secmech.sdescmd5->shash.flags = 0x0; |
| @@ -421,7 +422,7 @@ find_domain_name(struct cifs_ses *ses, const struct nls_table *nls_cp) | |||
| 421 | if (blobptr + attrsize > blobend) | 422 | if (blobptr + attrsize > blobend) |
| 422 | break; | 423 | break; |
| 423 | if (type == NTLMSSP_AV_NB_DOMAIN_NAME) { | 424 | if (type == NTLMSSP_AV_NB_DOMAIN_NAME) { |
| 424 | if (!attrsize) | 425 | if (!attrsize || attrsize >= CIFS_MAX_DOMAINNAME_LEN) |
| 425 | break; | 426 | break; |
| 426 | if (!ses->domainName) { | 427 | if (!ses->domainName) { |
| 427 | ses->domainName = | 428 | ses->domainName = |
| @@ -591,6 +592,7 @@ CalcNTLMv2_response(const struct cifs_ses *ses, char *ntlmv2_hash) | |||
| 591 | 592 | ||
| 592 | static int crypto_hmacmd5_alloc(struct TCP_Server_Info *server) | 593 | static int crypto_hmacmd5_alloc(struct TCP_Server_Info *server) |
| 593 | { | 594 | { |
| 595 | int rc; | ||
| 594 | unsigned int size; | 596 | unsigned int size; |
| 595 | 597 | ||
| 596 | /* check if already allocated */ | 598 | /* check if already allocated */ |
| @@ -600,7 +602,9 @@ static int crypto_hmacmd5_alloc(struct TCP_Server_Info *server) | |||
| 600 | server->secmech.hmacmd5 = crypto_alloc_shash("hmac(md5)", 0, 0); | 602 | server->secmech.hmacmd5 = crypto_alloc_shash("hmac(md5)", 0, 0); |
| 601 | if (IS_ERR(server->secmech.hmacmd5)) { | 603 | if (IS_ERR(server->secmech.hmacmd5)) { |
| 602 | cifs_dbg(VFS, "could not allocate crypto hmacmd5\n"); | 604 | cifs_dbg(VFS, "could not allocate crypto hmacmd5\n"); |
| 603 | return PTR_ERR(server->secmech.hmacmd5); | 605 | rc = PTR_ERR(server->secmech.hmacmd5); |
| 606 | server->secmech.hmacmd5 = NULL; | ||
| 607 | return rc; | ||
| 604 | } | 608 | } |
| 605 | 609 | ||
| 606 | size = sizeof(struct shash_desc) + | 610 | size = sizeof(struct shash_desc) + |
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 4bdd547dbf6f..85ea98d139fc 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c | |||
| @@ -147,18 +147,17 @@ cifs_read_super(struct super_block *sb) | |||
| 147 | goto out_no_root; | 147 | goto out_no_root; |
| 148 | } | 148 | } |
| 149 | 149 | ||
| 150 | if (cifs_sb_master_tcon(cifs_sb)->nocase) | ||
| 151 | sb->s_d_op = &cifs_ci_dentry_ops; | ||
| 152 | else | ||
| 153 | sb->s_d_op = &cifs_dentry_ops; | ||
| 154 | |||
| 150 | sb->s_root = d_make_root(inode); | 155 | sb->s_root = d_make_root(inode); |
| 151 | if (!sb->s_root) { | 156 | if (!sb->s_root) { |
| 152 | rc = -ENOMEM; | 157 | rc = -ENOMEM; |
| 153 | goto out_no_root; | 158 | goto out_no_root; |
| 154 | } | 159 | } |
| 155 | 160 | ||
| 156 | /* do that *after* d_make_root() - we want NULL ->d_op for root here */ | ||
| 157 | if (cifs_sb_master_tcon(cifs_sb)->nocase) | ||
| 158 | sb->s_d_op = &cifs_ci_dentry_ops; | ||
| 159 | else | ||
| 160 | sb->s_d_op = &cifs_dentry_ops; | ||
| 161 | |||
| 162 | #ifdef CONFIG_CIFS_NFSD_EXPORT | 161 | #ifdef CONFIG_CIFS_NFSD_EXPORT |
| 163 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) { | 162 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) { |
| 164 | cifs_dbg(FYI, "export ops supported\n"); | 163 | cifs_dbg(FYI, "export ops supported\n"); |
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 1fdc37041057..52ca861ed35e 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h | |||
| @@ -44,6 +44,7 @@ | |||
| 44 | #define MAX_TREE_SIZE (2 + MAX_SERVER_SIZE + 1 + MAX_SHARE_SIZE + 1) | 44 | #define MAX_TREE_SIZE (2 + MAX_SERVER_SIZE + 1 + MAX_SHARE_SIZE + 1) |
| 45 | #define MAX_SERVER_SIZE 15 | 45 | #define MAX_SERVER_SIZE 15 |
| 46 | #define MAX_SHARE_SIZE 80 | 46 | #define MAX_SHARE_SIZE 80 |
| 47 | #define CIFS_MAX_DOMAINNAME_LEN 256 /* max domain name length */ | ||
| 47 | #define MAX_USERNAME_SIZE 256 /* reasonable maximum for current servers */ | 48 | #define MAX_USERNAME_SIZE 256 /* reasonable maximum for current servers */ |
| 48 | #define MAX_PASSWORD_SIZE 512 /* max for windows seems to be 256 wide chars */ | 49 | #define MAX_PASSWORD_SIZE 512 /* max for windows seems to be 256 wide chars */ |
| 49 | 50 | ||
| @@ -369,6 +370,9 @@ struct smb_version_operations { | |||
| 369 | void (*generate_signingkey)(struct TCP_Server_Info *server); | 370 | void (*generate_signingkey)(struct TCP_Server_Info *server); |
| 370 | int (*calc_signature)(struct smb_rqst *rqst, | 371 | int (*calc_signature)(struct smb_rqst *rqst, |
| 371 | struct TCP_Server_Info *server); | 372 | struct TCP_Server_Info *server); |
| 373 | int (*query_mf_symlink)(const unsigned char *path, char *pbuf, | ||
| 374 | unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb, | ||
| 375 | unsigned int xid); | ||
| 372 | }; | 376 | }; |
| 373 | 377 | ||
| 374 | struct smb_version_values { | 378 | struct smb_version_values { |
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index f7e584d047e2..b29a012bed33 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h | |||
| @@ -497,5 +497,7 @@ void cifs_writev_complete(struct work_struct *work); | |||
| 497 | struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages, | 497 | struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages, |
| 498 | work_func_t complete); | 498 | work_func_t complete); |
| 499 | void cifs_writedata_release(struct kref *refcount); | 499 | void cifs_writedata_release(struct kref *refcount); |
| 500 | 500 | int open_query_close_cifs_symlink(const unsigned char *path, char *pbuf, | |
| 501 | unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb, | ||
| 502 | unsigned int xid); | ||
| 501 | #endif /* _CIFSPROTO_H */ | 503 | #endif /* _CIFSPROTO_H */ |
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index fa68813396b5..d67c550c4980 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c | |||
| @@ -1675,7 +1675,8 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, | |||
| 1675 | if (string == NULL) | 1675 | if (string == NULL) |
| 1676 | goto out_nomem; | 1676 | goto out_nomem; |
| 1677 | 1677 | ||
| 1678 | if (strnlen(string, 256) == 256) { | 1678 | if (strnlen(string, CIFS_MAX_DOMAINNAME_LEN) |
| 1679 | == CIFS_MAX_DOMAINNAME_LEN) { | ||
| 1679 | printk(KERN_WARNING "CIFS: domain name too" | 1680 | printk(KERN_WARNING "CIFS: domain name too" |
| 1680 | " long\n"); | 1681 | " long\n"); |
| 1681 | goto cifs_parse_mount_err; | 1682 | goto cifs_parse_mount_err; |
| @@ -2276,8 +2277,8 @@ cifs_put_smb_ses(struct cifs_ses *ses) | |||
| 2276 | 2277 | ||
| 2277 | #ifdef CONFIG_KEYS | 2278 | #ifdef CONFIG_KEYS |
| 2278 | 2279 | ||
| 2279 | /* strlen("cifs:a:") + INET6_ADDRSTRLEN + 1 */ | 2280 | /* strlen("cifs:a:") + CIFS_MAX_DOMAINNAME_LEN + 1 */ |
| 2280 | #define CIFSCREDS_DESC_SIZE (7 + INET6_ADDRSTRLEN + 1) | 2281 | #define CIFSCREDS_DESC_SIZE (7 + CIFS_MAX_DOMAINNAME_LEN + 1) |
| 2281 | 2282 | ||
| 2282 | /* Populate username and pw fields from keyring if possible */ | 2283 | /* Populate username and pw fields from keyring if possible */ |
| 2283 | static int | 2284 | static int |
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 1e57f36ea1b2..7e36ae34e947 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c | |||
| @@ -647,6 +647,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) | |||
| 647 | oflags, &oplock, &cfile->fid.netfid, xid); | 647 | oflags, &oplock, &cfile->fid.netfid, xid); |
| 648 | if (rc == 0) { | 648 | if (rc == 0) { |
| 649 | cifs_dbg(FYI, "posix reopen succeeded\n"); | 649 | cifs_dbg(FYI, "posix reopen succeeded\n"); |
| 650 | oparms.reconnect = true; | ||
| 650 | goto reopen_success; | 651 | goto reopen_success; |
| 651 | } | 652 | } |
| 652 | /* | 653 | /* |
diff --git a/fs/cifs/link.c b/fs/cifs/link.c index b83c3f5646bd..562044f700e5 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c | |||
| @@ -305,67 +305,89 @@ CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr) | |||
| 305 | } | 305 | } |
| 306 | 306 | ||
| 307 | int | 307 | int |
| 308 | CIFSCheckMFSymlink(struct cifs_fattr *fattr, | 308 | open_query_close_cifs_symlink(const unsigned char *path, char *pbuf, |
| 309 | const unsigned char *path, | 309 | unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb, |
| 310 | struct cifs_sb_info *cifs_sb, unsigned int xid) | 310 | unsigned int xid) |
| 311 | { | 311 | { |
| 312 | int rc; | 312 | int rc; |
| 313 | int oplock = 0; | 313 | int oplock = 0; |
| 314 | __u16 netfid = 0; | 314 | __u16 netfid = 0; |
| 315 | struct tcon_link *tlink; | 315 | struct tcon_link *tlink; |
| 316 | struct cifs_tcon *pTcon; | 316 | struct cifs_tcon *ptcon; |
| 317 | struct cifs_io_parms io_parms; | 317 | struct cifs_io_parms io_parms; |
| 318 | u8 *buf; | ||
| 319 | char *pbuf; | ||
| 320 | unsigned int bytes_read = 0; | ||
| 321 | int buf_type = CIFS_NO_BUFFER; | 318 | int buf_type = CIFS_NO_BUFFER; |
| 322 | unsigned int link_len = 0; | ||
| 323 | FILE_ALL_INFO file_info; | 319 | FILE_ALL_INFO file_info; |
| 324 | 320 | ||
| 325 | if (!CIFSCouldBeMFSymlink(fattr)) | ||
| 326 | /* it's not a symlink */ | ||
| 327 | return 0; | ||
| 328 | |||
| 329 | tlink = cifs_sb_tlink(cifs_sb); | 321 | tlink = cifs_sb_tlink(cifs_sb); |
| 330 | if (IS_ERR(tlink)) | 322 | if (IS_ERR(tlink)) |
| 331 | return PTR_ERR(tlink); | 323 | return PTR_ERR(tlink); |
| 332 | pTcon = tlink_tcon(tlink); | 324 | ptcon = tlink_tcon(tlink); |
| 333 | 325 | ||
| 334 | rc = CIFSSMBOpen(xid, pTcon, path, FILE_OPEN, GENERIC_READ, | 326 | rc = CIFSSMBOpen(xid, ptcon, path, FILE_OPEN, GENERIC_READ, |
| 335 | CREATE_NOT_DIR, &netfid, &oplock, &file_info, | 327 | CREATE_NOT_DIR, &netfid, &oplock, &file_info, |
| 336 | cifs_sb->local_nls, | 328 | cifs_sb->local_nls, |
| 337 | cifs_sb->mnt_cifs_flags & | 329 | cifs_sb->mnt_cifs_flags & |
| 338 | CIFS_MOUNT_MAP_SPECIAL_CHR); | 330 | CIFS_MOUNT_MAP_SPECIAL_CHR); |
| 339 | if (rc != 0) | 331 | if (rc != 0) { |
| 340 | goto out; | 332 | cifs_put_tlink(tlink); |
| 333 | return rc; | ||
| 334 | } | ||
| 341 | 335 | ||
| 342 | if (file_info.EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE)) { | 336 | if (file_info.EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE)) { |
| 343 | CIFSSMBClose(xid, pTcon, netfid); | 337 | CIFSSMBClose(xid, ptcon, netfid); |
| 338 | cifs_put_tlink(tlink); | ||
| 344 | /* it's not a symlink */ | 339 | /* it's not a symlink */ |
| 345 | goto out; | 340 | return rc; |
| 346 | } | 341 | } |
| 347 | 342 | ||
| 348 | buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL); | ||
| 349 | if (!buf) { | ||
| 350 | rc = -ENOMEM; | ||
| 351 | goto out; | ||
| 352 | } | ||
| 353 | pbuf = buf; | ||
| 354 | io_parms.netfid = netfid; | 343 | io_parms.netfid = netfid; |
| 355 | io_parms.pid = current->tgid; | 344 | io_parms.pid = current->tgid; |
| 356 | io_parms.tcon = pTcon; | 345 | io_parms.tcon = ptcon; |
| 357 | io_parms.offset = 0; | 346 | io_parms.offset = 0; |
| 358 | io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE; | 347 | io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE; |
| 359 | 348 | ||
| 360 | rc = CIFSSMBRead(xid, &io_parms, &bytes_read, &pbuf, &buf_type); | 349 | rc = CIFSSMBRead(xid, &io_parms, pbytes_read, &pbuf, &buf_type); |
| 361 | CIFSSMBClose(xid, pTcon, netfid); | 350 | CIFSSMBClose(xid, ptcon, netfid); |
| 362 | if (rc != 0) { | 351 | cifs_put_tlink(tlink); |
| 363 | kfree(buf); | 352 | return rc; |
| 353 | } | ||
| 354 | |||
| 355 | |||
| 356 | int | ||
| 357 | CIFSCheckMFSymlink(struct cifs_fattr *fattr, | ||
| 358 | const unsigned char *path, | ||
| 359 | struct cifs_sb_info *cifs_sb, unsigned int xid) | ||
| 360 | { | ||
| 361 | int rc = 0; | ||
| 362 | u8 *buf = NULL; | ||
| 363 | unsigned int link_len = 0; | ||
| 364 | unsigned int bytes_read = 0; | ||
| 365 | struct cifs_tcon *ptcon; | ||
| 366 | |||
| 367 | if (!CIFSCouldBeMFSymlink(fattr)) | ||
| 368 | /* it's not a symlink */ | ||
| 369 | return 0; | ||
| 370 | |||
| 371 | buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL); | ||
| 372 | if (!buf) { | ||
| 373 | rc = -ENOMEM; | ||
| 364 | goto out; | 374 | goto out; |
| 365 | } | 375 | } |
| 366 | 376 | ||
| 377 | ptcon = tlink_tcon(cifs_sb_tlink(cifs_sb)); | ||
| 378 | if ((ptcon->ses) && (ptcon->ses->server->ops->query_mf_symlink)) | ||
| 379 | rc = ptcon->ses->server->ops->query_mf_symlink(path, buf, | ||
| 380 | &bytes_read, cifs_sb, xid); | ||
| 381 | else | ||
| 382 | goto out; | ||
| 383 | |||
| 384 | if (rc != 0) | ||
| 385 | goto out; | ||
| 386 | |||
| 387 | if (bytes_read == 0) /* not a symlink */ | ||
| 388 | goto out; | ||
| 389 | |||
| 367 | rc = CIFSParseMFSymlink(buf, bytes_read, &link_len, NULL); | 390 | rc = CIFSParseMFSymlink(buf, bytes_read, &link_len, NULL); |
| 368 | kfree(buf); | ||
| 369 | if (rc == -EINVAL) { | 391 | if (rc == -EINVAL) { |
| 370 | /* it's not a symlink */ | 392 | /* it's not a symlink */ |
| 371 | rc = 0; | 393 | rc = 0; |
| @@ -381,7 +403,7 @@ CIFSCheckMFSymlink(struct cifs_fattr *fattr, | |||
| 381 | fattr->cf_mode |= S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO; | 403 | fattr->cf_mode |= S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO; |
| 382 | fattr->cf_dtype = DT_LNK; | 404 | fattr->cf_dtype = DT_LNK; |
| 383 | out: | 405 | out: |
| 384 | cifs_put_tlink(tlink); | 406 | kfree(buf); |
| 385 | return rc; | 407 | return rc; |
| 386 | } | 408 | } |
| 387 | 409 | ||
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index ab8778469394..69d2c826a23b 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c | |||
| @@ -111,6 +111,14 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name, | |||
| 111 | return; | 111 | return; |
| 112 | } | 112 | } |
| 113 | 113 | ||
| 114 | /* | ||
| 115 | * If we know that the inode will need to be revalidated immediately, | ||
| 116 | * then don't create a new dentry for it. We'll end up doing an on | ||
| 117 | * the wire call either way and this spares us an invalidation. | ||
| 118 | */ | ||
| 119 | if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL) | ||
| 120 | return; | ||
| 121 | |||
| 114 | dentry = d_alloc(parent, name); | 122 | dentry = d_alloc(parent, name); |
| 115 | if (!dentry) | 123 | if (!dentry) |
| 116 | return; | 124 | return; |
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 79358e341fd2..08dd37bb23aa 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c | |||
| @@ -197,7 +197,7 @@ static void unicode_domain_string(char **pbcc_area, struct cifs_ses *ses, | |||
| 197 | bytes_ret = 0; | 197 | bytes_ret = 0; |
| 198 | } else | 198 | } else |
| 199 | bytes_ret = cifs_strtoUTF16((__le16 *) bcc_ptr, ses->domainName, | 199 | bytes_ret = cifs_strtoUTF16((__le16 *) bcc_ptr, ses->domainName, |
| 200 | 256, nls_cp); | 200 | CIFS_MAX_DOMAINNAME_LEN, nls_cp); |
| 201 | bcc_ptr += 2 * bytes_ret; | 201 | bcc_ptr += 2 * bytes_ret; |
| 202 | bcc_ptr += 2; /* account for null terminator */ | 202 | bcc_ptr += 2; /* account for null terminator */ |
| 203 | 203 | ||
| @@ -255,8 +255,8 @@ static void ascii_ssetup_strings(char **pbcc_area, struct cifs_ses *ses, | |||
| 255 | 255 | ||
| 256 | /* copy domain */ | 256 | /* copy domain */ |
| 257 | if (ses->domainName != NULL) { | 257 | if (ses->domainName != NULL) { |
| 258 | strncpy(bcc_ptr, ses->domainName, 256); | 258 | strncpy(bcc_ptr, ses->domainName, CIFS_MAX_DOMAINNAME_LEN); |
| 259 | bcc_ptr += strnlen(ses->domainName, 256); | 259 | bcc_ptr += strnlen(ses->domainName, CIFS_MAX_DOMAINNAME_LEN); |
| 260 | } /* else we will send a null domain name | 260 | } /* else we will send a null domain name |
| 261 | so the server will default to its own domain */ | 261 | so the server will default to its own domain */ |
| 262 | *bcc_ptr = 0; | 262 | *bcc_ptr = 0; |
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 6457690731a2..60943978aec3 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c | |||
| @@ -944,6 +944,7 @@ struct smb_version_operations smb1_operations = { | |||
| 944 | .mand_lock = cifs_mand_lock, | 944 | .mand_lock = cifs_mand_lock, |
| 945 | .mand_unlock_range = cifs_unlock_range, | 945 | .mand_unlock_range = cifs_unlock_range, |
| 946 | .push_mand_locks = cifs_push_mandatory_locks, | 946 | .push_mand_locks = cifs_push_mandatory_locks, |
| 947 | .query_mf_symlink = open_query_close_cifs_symlink, | ||
| 947 | }; | 948 | }; |
| 948 | 949 | ||
| 949 | struct smb_version_values smb1_values = { | 950 | struct smb_version_values smb1_values = { |
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index 301b191270b9..4f2300d020c7 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c | |||
| @@ -42,6 +42,7 @@ | |||
| 42 | static int | 42 | static int |
| 43 | smb2_crypto_shash_allocate(struct TCP_Server_Info *server) | 43 | smb2_crypto_shash_allocate(struct TCP_Server_Info *server) |
| 44 | { | 44 | { |
| 45 | int rc; | ||
| 45 | unsigned int size; | 46 | unsigned int size; |
| 46 | 47 | ||
| 47 | if (server->secmech.sdeschmacsha256 != NULL) | 48 | if (server->secmech.sdeschmacsha256 != NULL) |
| @@ -50,7 +51,9 @@ smb2_crypto_shash_allocate(struct TCP_Server_Info *server) | |||
| 50 | server->secmech.hmacsha256 = crypto_alloc_shash("hmac(sha256)", 0, 0); | 51 | server->secmech.hmacsha256 = crypto_alloc_shash("hmac(sha256)", 0, 0); |
| 51 | if (IS_ERR(server->secmech.hmacsha256)) { | 52 | if (IS_ERR(server->secmech.hmacsha256)) { |
| 52 | cifs_dbg(VFS, "could not allocate crypto hmacsha256\n"); | 53 | cifs_dbg(VFS, "could not allocate crypto hmacsha256\n"); |
| 53 | return PTR_ERR(server->secmech.hmacsha256); | 54 | rc = PTR_ERR(server->secmech.hmacsha256); |
| 55 | server->secmech.hmacsha256 = NULL; | ||
| 56 | return rc; | ||
| 54 | } | 57 | } |
| 55 | 58 | ||
| 56 | size = sizeof(struct shash_desc) + | 59 | size = sizeof(struct shash_desc) + |
| @@ -87,7 +90,9 @@ smb3_crypto_shash_allocate(struct TCP_Server_Info *server) | |||
| 87 | server->secmech.sdeschmacsha256 = NULL; | 90 | server->secmech.sdeschmacsha256 = NULL; |
| 88 | crypto_free_shash(server->secmech.hmacsha256); | 91 | crypto_free_shash(server->secmech.hmacsha256); |
| 89 | server->secmech.hmacsha256 = NULL; | 92 | server->secmech.hmacsha256 = NULL; |
| 90 | return PTR_ERR(server->secmech.cmacaes); | 93 | rc = PTR_ERR(server->secmech.cmacaes); |
| 94 | server->secmech.cmacaes = NULL; | ||
| 95 | return rc; | ||
| 91 | } | 96 | } |
| 92 | 97 | ||
| 93 | size = sizeof(struct shash_desc) + | 98 | size = sizeof(struct shash_desc) + |
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 4888cb3fdef7..c7c83ff0f752 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c | |||
| @@ -533,8 +533,7 @@ EXPORT_SYMBOL_GPL(debugfs_remove); | |||
| 533 | */ | 533 | */ |
| 534 | void debugfs_remove_recursive(struct dentry *dentry) | 534 | void debugfs_remove_recursive(struct dentry *dentry) |
| 535 | { | 535 | { |
| 536 | struct dentry *child; | 536 | struct dentry *child, *next, *parent; |
| 537 | struct dentry *parent; | ||
| 538 | 537 | ||
| 539 | if (IS_ERR_OR_NULL(dentry)) | 538 | if (IS_ERR_OR_NULL(dentry)) |
| 540 | return; | 539 | return; |
| @@ -544,61 +543,37 @@ void debugfs_remove_recursive(struct dentry *dentry) | |||
| 544 | return; | 543 | return; |
| 545 | 544 | ||
| 546 | parent = dentry; | 545 | parent = dentry; |
| 546 | down: | ||
| 547 | mutex_lock(&parent->d_inode->i_mutex); | 547 | mutex_lock(&parent->d_inode->i_mutex); |
| 548 | list_for_each_entry_safe(child, next, &parent->d_subdirs, d_u.d_child) { | ||
| 549 | if (!debugfs_positive(child)) | ||
| 550 | continue; | ||
| 548 | 551 | ||
| 549 | while (1) { | 552 | /* perhaps simple_empty(child) makes more sense */ |
| 550 | /* | ||
| 551 | * When all dentries under "parent" has been removed, | ||
| 552 | * walk up the tree until we reach our starting point. | ||
| 553 | */ | ||
| 554 | if (list_empty(&parent->d_subdirs)) { | ||
| 555 | mutex_unlock(&parent->d_inode->i_mutex); | ||
| 556 | if (parent == dentry) | ||
| 557 | break; | ||
| 558 | parent = parent->d_parent; | ||
| 559 | mutex_lock(&parent->d_inode->i_mutex); | ||
| 560 | } | ||
| 561 | child = list_entry(parent->d_subdirs.next, struct dentry, | ||
| 562 | d_u.d_child); | ||
| 563 | next_sibling: | ||
| 564 | |||
| 565 | /* | ||
| 566 | * If "child" isn't empty, walk down the tree and | ||
| 567 | * remove all its descendants first. | ||
| 568 | */ | ||
| 569 | if (!list_empty(&child->d_subdirs)) { | 553 | if (!list_empty(&child->d_subdirs)) { |
| 570 | mutex_unlock(&parent->d_inode->i_mutex); | 554 | mutex_unlock(&parent->d_inode->i_mutex); |
| 571 | parent = child; | 555 | parent = child; |
| 572 | mutex_lock(&parent->d_inode->i_mutex); | 556 | goto down; |
| 573 | continue; | ||
| 574 | } | 557 | } |
| 575 | __debugfs_remove(child, parent); | 558 | up: |
| 576 | if (parent->d_subdirs.next == &child->d_u.d_child) { | 559 | if (!__debugfs_remove(child, parent)) |
| 577 | /* | 560 | simple_release_fs(&debugfs_mount, &debugfs_mount_count); |
| 578 | * Try the next sibling. | ||
| 579 | */ | ||
| 580 | if (child->d_u.d_child.next != &parent->d_subdirs) { | ||
| 581 | child = list_entry(child->d_u.d_child.next, | ||
| 582 | struct dentry, | ||
| 583 | d_u.d_child); | ||
| 584 | goto next_sibling; | ||
| 585 | } | ||
| 586 | |||
| 587 | /* | ||
| 588 | * Avoid infinite loop if we fail to remove | ||
| 589 | * one dentry. | ||
| 590 | */ | ||
| 591 | mutex_unlock(&parent->d_inode->i_mutex); | ||
| 592 | break; | ||
| 593 | } | ||
| 594 | simple_release_fs(&debugfs_mount, &debugfs_mount_count); | ||
| 595 | } | 561 | } |
| 596 | 562 | ||
| 597 | parent = dentry->d_parent; | 563 | mutex_unlock(&parent->d_inode->i_mutex); |
| 564 | child = parent; | ||
| 565 | parent = parent->d_parent; | ||
| 598 | mutex_lock(&parent->d_inode->i_mutex); | 566 | mutex_lock(&parent->d_inode->i_mutex); |
| 599 | __debugfs_remove(dentry, parent); | 567 | |
| 568 | if (child != dentry) { | ||
| 569 | next = list_entry(child->d_u.d_child.next, struct dentry, | ||
| 570 | d_u.d_child); | ||
| 571 | goto up; | ||
| 572 | } | ||
| 573 | |||
| 574 | if (!__debugfs_remove(child, parent)) | ||
| 575 | simple_release_fs(&debugfs_mount, &debugfs_mount_count); | ||
| 600 | mutex_unlock(&parent->d_inode->i_mutex); | 576 | mutex_unlock(&parent->d_inode->i_mutex); |
| 601 | simple_release_fs(&debugfs_mount, &debugfs_mount_count); | ||
| 602 | } | 577 | } |
| 603 | EXPORT_SYMBOL_GPL(debugfs_remove_recursive); | 578 | EXPORT_SYMBOL_GPL(debugfs_remove_recursive); |
| 604 | 579 | ||
diff --git a/fs/dlm/user.c b/fs/dlm/user.c index 911649a47dd5..812149119fa3 100644 --- a/fs/dlm/user.c +++ b/fs/dlm/user.c | |||
| @@ -686,7 +686,6 @@ static int device_close(struct inode *inode, struct file *file) | |||
| 686 | device_remove_lockspace() */ | 686 | device_remove_lockspace() */ |
| 687 | 687 | ||
| 688 | sigprocmask(SIG_SETMASK, &tmpsig, NULL); | 688 | sigprocmask(SIG_SETMASK, &tmpsig, NULL); |
| 689 | recalc_sigpending(); | ||
| 690 | 689 | ||
| 691 | return 0; | 690 | return 0; |
| 692 | } | 691 | } |
| @@ -608,7 +608,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) | |||
| 608 | return -ENOMEM; | 608 | return -ENOMEM; |
| 609 | 609 | ||
| 610 | lru_add_drain(); | 610 | lru_add_drain(); |
| 611 | tlb_gather_mmu(&tlb, mm, 0); | 611 | tlb_gather_mmu(&tlb, mm, old_start, old_end); |
| 612 | if (new_end > old_start) { | 612 | if (new_end > old_start) { |
| 613 | /* | 613 | /* |
| 614 | * when the old and new regions overlap clear from new_end. | 614 | * when the old and new regions overlap clear from new_end. |
| @@ -625,7 +625,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) | |||
| 625 | free_pgd_range(&tlb, old_start, old_end, new_end, | 625 | free_pgd_range(&tlb, old_start, old_end, new_end, |
| 626 | vma->vm_next ? vma->vm_next->vm_start : USER_PGTABLES_CEILING); | 626 | vma->vm_next ? vma->vm_next->vm_start : USER_PGTABLES_CEILING); |
| 627 | } | 627 | } |
| 628 | tlb_finish_mmu(&tlb, new_end, old_end); | 628 | tlb_finish_mmu(&tlb, old_start, old_end); |
| 629 | 629 | ||
| 630 | /* | 630 | /* |
| 631 | * Shrink the vma to just the new range. Always succeeds. | 631 | * Shrink the vma to just the new range. Always succeeds. |
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index b577e45425b0..0ab26fbf3380 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h | |||
| @@ -2086,6 +2086,7 @@ extern int ext4_sync_inode(handle_t *, struct inode *); | |||
| 2086 | extern void ext4_dirty_inode(struct inode *, int); | 2086 | extern void ext4_dirty_inode(struct inode *, int); |
| 2087 | extern int ext4_change_inode_journal_flag(struct inode *, int); | 2087 | extern int ext4_change_inode_journal_flag(struct inode *, int); |
| 2088 | extern int ext4_get_inode_loc(struct inode *, struct ext4_iloc *); | 2088 | extern int ext4_get_inode_loc(struct inode *, struct ext4_iloc *); |
| 2089 | extern int ext4_inode_attach_jinode(struct inode *inode); | ||
| 2089 | extern int ext4_can_truncate(struct inode *inode); | 2090 | extern int ext4_can_truncate(struct inode *inode); |
| 2090 | extern void ext4_truncate(struct inode *); | 2091 | extern void ext4_truncate(struct inode *); |
| 2091 | extern int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length); | 2092 | extern int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length); |
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index 72a3600aedbd..17ac112ab101 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c | |||
| @@ -255,10 +255,10 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line, | |||
| 255 | set_buffer_prio(bh); | 255 | set_buffer_prio(bh); |
| 256 | if (ext4_handle_valid(handle)) { | 256 | if (ext4_handle_valid(handle)) { |
| 257 | err = jbd2_journal_dirty_metadata(handle, bh); | 257 | err = jbd2_journal_dirty_metadata(handle, bh); |
| 258 | if (err) { | 258 | /* Errors can only happen if there is a bug */ |
| 259 | /* Errors can only happen if there is a bug */ | 259 | if (WARN_ON_ONCE(err)) { |
| 260 | handle->h_err = err; | 260 | ext4_journal_abort_handle(where, line, __func__, bh, |
| 261 | __ext4_journal_stop(where, line, handle); | 261 | handle, err); |
| 262 | } | 262 | } |
| 263 | } else { | 263 | } else { |
| 264 | if (inode) | 264 | if (inode) |
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index a61873808f76..72ba4705d4fa 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c | |||
| @@ -4412,7 +4412,7 @@ void ext4_ext_truncate(handle_t *handle, struct inode *inode) | |||
| 4412 | retry: | 4412 | retry: |
| 4413 | err = ext4_es_remove_extent(inode, last_block, | 4413 | err = ext4_es_remove_extent(inode, last_block, |
| 4414 | EXT_MAX_BLOCKS - last_block); | 4414 | EXT_MAX_BLOCKS - last_block); |
| 4415 | if (err == ENOMEM) { | 4415 | if (err == -ENOMEM) { |
| 4416 | cond_resched(); | 4416 | cond_resched(); |
| 4417 | congestion_wait(BLK_RW_ASYNC, HZ/50); | 4417 | congestion_wait(BLK_RW_ASYNC, HZ/50); |
| 4418 | goto retry; | 4418 | goto retry; |
diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 6f4cc567c382..319c9d26279a 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c | |||
| @@ -219,7 +219,6 @@ static int ext4_file_open(struct inode * inode, struct file * filp) | |||
| 219 | { | 219 | { |
| 220 | struct super_block *sb = inode->i_sb; | 220 | struct super_block *sb = inode->i_sb; |
| 221 | struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); | 221 | struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); |
| 222 | struct ext4_inode_info *ei = EXT4_I(inode); | ||
| 223 | struct vfsmount *mnt = filp->f_path.mnt; | 222 | struct vfsmount *mnt = filp->f_path.mnt; |
| 224 | struct path path; | 223 | struct path path; |
| 225 | char buf[64], *cp; | 224 | char buf[64], *cp; |
| @@ -259,22 +258,10 @@ static int ext4_file_open(struct inode * inode, struct file * filp) | |||
| 259 | * Set up the jbd2_inode if we are opening the inode for | 258 | * Set up the jbd2_inode if we are opening the inode for |
| 260 | * writing and the journal is present | 259 | * writing and the journal is present |
| 261 | */ | 260 | */ |
| 262 | if (sbi->s_journal && !ei->jinode && (filp->f_mode & FMODE_WRITE)) { | 261 | if (filp->f_mode & FMODE_WRITE) { |
| 263 | struct jbd2_inode *jinode = jbd2_alloc_inode(GFP_KERNEL); | 262 | int ret = ext4_inode_attach_jinode(inode); |
| 264 | 263 | if (ret < 0) | |
| 265 | spin_lock(&inode->i_lock); | 264 | return ret; |
| 266 | if (!ei->jinode) { | ||
| 267 | if (!jinode) { | ||
| 268 | spin_unlock(&inode->i_lock); | ||
| 269 | return -ENOMEM; | ||
| 270 | } | ||
| 271 | ei->jinode = jinode; | ||
| 272 | jbd2_journal_init_jbd_inode(ei->jinode, inode); | ||
| 273 | jinode = NULL; | ||
| 274 | } | ||
| 275 | spin_unlock(&inode->i_lock); | ||
| 276 | if (unlikely(jinode != NULL)) | ||
| 277 | jbd2_free_inode(jinode); | ||
| 278 | } | 265 | } |
| 279 | return dquot_file_open(inode, filp); | 266 | return dquot_file_open(inode, filp); |
| 280 | } | 267 | } |
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index f03598c6ffd3..8bf5999875ee 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c | |||
| @@ -734,11 +734,8 @@ repeat_in_this_group: | |||
| 734 | ino = ext4_find_next_zero_bit((unsigned long *) | 734 | ino = ext4_find_next_zero_bit((unsigned long *) |
| 735 | inode_bitmap_bh->b_data, | 735 | inode_bitmap_bh->b_data, |
| 736 | EXT4_INODES_PER_GROUP(sb), ino); | 736 | EXT4_INODES_PER_GROUP(sb), ino); |
| 737 | if (ino >= EXT4_INODES_PER_GROUP(sb)) { | 737 | if (ino >= EXT4_INODES_PER_GROUP(sb)) |
| 738 | if (++group == ngroups) | 738 | goto next_group; |
| 739 | group = 0; | ||
| 740 | continue; | ||
| 741 | } | ||
| 742 | if (group == 0 && (ino+1) < EXT4_FIRST_INO(sb)) { | 739 | if (group == 0 && (ino+1) < EXT4_FIRST_INO(sb)) { |
| 743 | ext4_error(sb, "reserved inode found cleared - " | 740 | ext4_error(sb, "reserved inode found cleared - " |
| 744 | "inode=%lu", ino + 1); | 741 | "inode=%lu", ino + 1); |
| @@ -769,6 +766,9 @@ repeat_in_this_group: | |||
| 769 | goto got; /* we grabbed the inode! */ | 766 | goto got; /* we grabbed the inode! */ |
| 770 | if (ino < EXT4_INODES_PER_GROUP(sb)) | 767 | if (ino < EXT4_INODES_PER_GROUP(sb)) |
| 771 | goto repeat_in_this_group; | 768 | goto repeat_in_this_group; |
| 769 | next_group: | ||
| 770 | if (++group == ngroups) | ||
| 771 | group = 0; | ||
| 772 | } | 772 | } |
| 773 | err = -ENOSPC; | 773 | err = -ENOSPC; |
| 774 | goto out; | 774 | goto out; |
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index ba33c67d6e48..c2ca04e67a4f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c | |||
| @@ -555,14 +555,13 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode, | |||
| 555 | int ret; | 555 | int ret; |
| 556 | unsigned long long status; | 556 | unsigned long long status; |
| 557 | 557 | ||
| 558 | #ifdef ES_AGGRESSIVE_TEST | 558 | if (unlikely(retval != map->m_len)) { |
| 559 | if (retval != map->m_len) { | 559 | ext4_warning(inode->i_sb, |
| 560 | printk("ES len assertion failed for inode: %lu " | 560 | "ES len assertion failed for inode " |
| 561 | "retval %d != map->m_len %d " | 561 | "%lu: retval %d != map->m_len %d", |
| 562 | "in %s (lookup)\n", inode->i_ino, retval, | 562 | inode->i_ino, retval, map->m_len); |
| 563 | map->m_len, __func__); | 563 | WARN_ON(1); |
| 564 | } | 564 | } |
| 565 | #endif | ||
| 566 | 565 | ||
| 567 | status = map->m_flags & EXT4_MAP_UNWRITTEN ? | 566 | status = map->m_flags & EXT4_MAP_UNWRITTEN ? |
| 568 | EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN; | 567 | EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN; |
| @@ -656,14 +655,13 @@ found: | |||
| 656 | int ret; | 655 | int ret; |
| 657 | unsigned long long status; | 656 | unsigned long long status; |
| 658 | 657 | ||
| 659 | #ifdef ES_AGGRESSIVE_TEST | 658 | if (unlikely(retval != map->m_len)) { |
| 660 | if (retval != map->m_len) { | 659 | ext4_warning(inode->i_sb, |
| 661 | printk("ES len assertion failed for inode: %lu " | 660 | "ES len assertion failed for inode " |
| 662 | "retval %d != map->m_len %d " | 661 | "%lu: retval %d != map->m_len %d", |
| 663 | "in %s (allocation)\n", inode->i_ino, retval, | 662 | inode->i_ino, retval, map->m_len); |
| 664 | map->m_len, __func__); | 663 | WARN_ON(1); |
| 665 | } | 664 | } |
| 666 | #endif | ||
| 667 | 665 | ||
| 668 | /* | 666 | /* |
| 669 | * If the extent has been zeroed out, we don't need to update | 667 | * If the extent has been zeroed out, we don't need to update |
| @@ -1637,14 +1635,13 @@ add_delayed: | |||
| 1637 | int ret; | 1635 | int ret; |
| 1638 | unsigned long long status; | 1636 | unsigned long long status; |
| 1639 | 1637 | ||
| 1640 | #ifdef ES_AGGRESSIVE_TEST | 1638 | if (unlikely(retval != map->m_len)) { |
| 1641 | if (retval != map->m_len) { | 1639 | ext4_warning(inode->i_sb, |
| 1642 | printk("ES len assertion failed for inode: %lu " | 1640 | "ES len assertion failed for inode " |
| 1643 | "retval %d != map->m_len %d " | 1641 | "%lu: retval %d != map->m_len %d", |
| 1644 | "in %s (lookup)\n", inode->i_ino, retval, | 1642 | inode->i_ino, retval, map->m_len); |
| 1645 | map->m_len, __func__); | 1643 | WARN_ON(1); |
| 1646 | } | 1644 | } |
| 1647 | #endif | ||
| 1648 | 1645 | ||
| 1649 | status = map->m_flags & EXT4_MAP_UNWRITTEN ? | 1646 | status = map->m_flags & EXT4_MAP_UNWRITTEN ? |
| 1650 | EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN; | 1647 | EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN; |
| @@ -3536,6 +3533,18 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length) | |||
| 3536 | offset; | 3533 | offset; |
| 3537 | } | 3534 | } |
| 3538 | 3535 | ||
| 3536 | if (offset & (sb->s_blocksize - 1) || | ||
| 3537 | (offset + length) & (sb->s_blocksize - 1)) { | ||
| 3538 | /* | ||
| 3539 | * Attach jinode to inode for jbd2 if we do any zeroing of | ||
| 3540 | * partial block | ||
| 3541 | */ | ||
| 3542 | ret = ext4_inode_attach_jinode(inode); | ||
| 3543 | if (ret < 0) | ||
| 3544 | goto out_mutex; | ||
| 3545 | |||
| 3546 | } | ||
| 3547 | |||
| 3539 | first_block_offset = round_up(offset, sb->s_blocksize); | 3548 | first_block_offset = round_up(offset, sb->s_blocksize); |
| 3540 | last_block_offset = round_down((offset + length), sb->s_blocksize) - 1; | 3549 | last_block_offset = round_down((offset + length), sb->s_blocksize) - 1; |
| 3541 | 3550 | ||
| @@ -3604,6 +3613,31 @@ out_mutex: | |||
| 3604 | return ret; | 3613 | return ret; |
| 3605 | } | 3614 | } |
| 3606 | 3615 | ||
| 3616 | int ext4_inode_attach_jinode(struct inode *inode) | ||
| 3617 | { | ||
| 3618 | struct ext4_inode_info *ei = EXT4_I(inode); | ||
| 3619 | struct jbd2_inode *jinode; | ||
| 3620 | |||
| 3621 | if (ei->jinode || !EXT4_SB(inode->i_sb)->s_journal) | ||
| 3622 | return 0; | ||
| 3623 | |||
| 3624 | jinode = jbd2_alloc_inode(GFP_KERNEL); | ||
| 3625 | spin_lock(&inode->i_lock); | ||
| 3626 | if (!ei->jinode) { | ||
| 3627 | if (!jinode) { | ||
| 3628 | spin_unlock(&inode->i_lock); | ||
| 3629 | return -ENOMEM; | ||
| 3630 | } | ||
| 3631 | ei->jinode = jinode; | ||
| 3632 | jbd2_journal_init_jbd_inode(ei->jinode, inode); | ||
| 3633 | jinode = NULL; | ||
| 3634 | } | ||
| 3635 | spin_unlock(&inode->i_lock); | ||
| 3636 | if (unlikely(jinode != NULL)) | ||
| 3637 | jbd2_free_inode(jinode); | ||
| 3638 | return 0; | ||
| 3639 | } | ||
| 3640 | |||
| 3607 | /* | 3641 | /* |
| 3608 | * ext4_truncate() | 3642 | * ext4_truncate() |
| 3609 | * | 3643 | * |
| @@ -3664,6 +3698,12 @@ void ext4_truncate(struct inode *inode) | |||
| 3664 | return; | 3698 | return; |
| 3665 | } | 3699 | } |
| 3666 | 3700 | ||
| 3701 | /* If we zero-out tail of the page, we have to create jinode for jbd2 */ | ||
| 3702 | if (inode->i_size & (inode->i_sb->s_blocksize - 1)) { | ||
| 3703 | if (ext4_inode_attach_jinode(inode) < 0) | ||
| 3704 | return; | ||
| 3705 | } | ||
| 3706 | |||
| 3667 | if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) | 3707 | if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) |
| 3668 | credits = ext4_writepage_trans_blocks(inode); | 3708 | credits = ext4_writepage_trans_blocks(inode); |
| 3669 | else | 3709 | else |
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 9491ac0590f7..c0427e2f6648 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c | |||
| @@ -77,8 +77,10 @@ static void swap_inode_data(struct inode *inode1, struct inode *inode2) | |||
| 77 | memswap(ei1->i_data, ei2->i_data, sizeof(ei1->i_data)); | 77 | memswap(ei1->i_data, ei2->i_data, sizeof(ei1->i_data)); |
| 78 | memswap(&ei1->i_flags, &ei2->i_flags, sizeof(ei1->i_flags)); | 78 | memswap(&ei1->i_flags, &ei2->i_flags, sizeof(ei1->i_flags)); |
| 79 | memswap(&ei1->i_disksize, &ei2->i_disksize, sizeof(ei1->i_disksize)); | 79 | memswap(&ei1->i_disksize, &ei2->i_disksize, sizeof(ei1->i_disksize)); |
| 80 | memswap(&ei1->i_es_tree, &ei2->i_es_tree, sizeof(ei1->i_es_tree)); | 80 | ext4_es_remove_extent(inode1, 0, EXT_MAX_BLOCKS); |
| 81 | memswap(&ei1->i_es_lru_nr, &ei2->i_es_lru_nr, sizeof(ei1->i_es_lru_nr)); | 81 | ext4_es_remove_extent(inode2, 0, EXT_MAX_BLOCKS); |
| 82 | ext4_es_lru_del(inode1); | ||
| 83 | ext4_es_lru_del(inode2); | ||
| 82 | 84 | ||
| 83 | isize = i_size_read(inode1); | 85 | isize = i_size_read(inode1); |
| 84 | i_size_write(inode1, i_size_read(inode2)); | 86 | i_size_write(inode1, i_size_read(inode2)); |
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index bca26f34edf4..b59373b625e9 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c | |||
| @@ -1359,7 +1359,7 @@ static const struct mount_opts { | |||
| 1359 | {Opt_delalloc, EXT4_MOUNT_DELALLOC, | 1359 | {Opt_delalloc, EXT4_MOUNT_DELALLOC, |
| 1360 | MOPT_EXT4_ONLY | MOPT_SET | MOPT_EXPLICIT}, | 1360 | MOPT_EXT4_ONLY | MOPT_SET | MOPT_EXPLICIT}, |
| 1361 | {Opt_nodelalloc, EXT4_MOUNT_DELALLOC, | 1361 | {Opt_nodelalloc, EXT4_MOUNT_DELALLOC, |
| 1362 | MOPT_EXT4_ONLY | MOPT_CLEAR | MOPT_EXPLICIT}, | 1362 | MOPT_EXT4_ONLY | MOPT_CLEAR}, |
| 1363 | {Opt_journal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM, | 1363 | {Opt_journal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM, |
| 1364 | MOPT_EXT4_ONLY | MOPT_SET}, | 1364 | MOPT_EXT4_ONLY | MOPT_SET}, |
| 1365 | {Opt_journal_async_commit, (EXT4_MOUNT_JOURNAL_ASYNC_COMMIT | | 1365 | {Opt_journal_async_commit, (EXT4_MOUNT_JOURNAL_ASYNC_COMMIT | |
| @@ -3483,7 +3483,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) | |||
| 3483 | } | 3483 | } |
| 3484 | if (test_opt(sb, DIOREAD_NOLOCK)) { | 3484 | if (test_opt(sb, DIOREAD_NOLOCK)) { |
| 3485 | ext4_msg(sb, KERN_ERR, "can't mount with " | 3485 | ext4_msg(sb, KERN_ERR, "can't mount with " |
| 3486 | "both data=journal and delalloc"); | 3486 | "both data=journal and dioread_nolock"); |
| 3487 | goto failed_mount; | 3487 | goto failed_mount; |
| 3488 | } | 3488 | } |
| 3489 | if (test_opt(sb, DELALLOC)) | 3489 | if (test_opt(sb, DELALLOC)) |
| @@ -4727,6 +4727,21 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) | |||
| 4727 | goto restore_opts; | 4727 | goto restore_opts; |
| 4728 | } | 4728 | } |
| 4729 | 4729 | ||
| 4730 | if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { | ||
| 4731 | if (test_opt2(sb, EXPLICIT_DELALLOC)) { | ||
| 4732 | ext4_msg(sb, KERN_ERR, "can't mount with " | ||
| 4733 | "both data=journal and delalloc"); | ||
| 4734 | err = -EINVAL; | ||
| 4735 | goto restore_opts; | ||
| 4736 | } | ||
| 4737 | if (test_opt(sb, DIOREAD_NOLOCK)) { | ||
| 4738 | ext4_msg(sb, KERN_ERR, "can't mount with " | ||
| 4739 | "both data=journal and dioread_nolock"); | ||
| 4740 | err = -EINVAL; | ||
| 4741 | goto restore_opts; | ||
| 4742 | } | ||
| 4743 | } | ||
| 4744 | |||
| 4730 | if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED) | 4745 | if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED) |
| 4731 | ext4_abort(sb, "Abort forced by user"); | 4746 | ext4_abort(sb, "Abort forced by user"); |
| 4732 | 4747 | ||
| @@ -5481,6 +5496,7 @@ static void __exit ext4_exit_fs(void) | |||
| 5481 | kset_unregister(ext4_kset); | 5496 | kset_unregister(ext4_kset); |
| 5482 | ext4_exit_system_zone(); | 5497 | ext4_exit_system_zone(); |
| 5483 | ext4_exit_pageio(); | 5498 | ext4_exit_pageio(); |
| 5499 | ext4_exit_es(); | ||
| 5484 | } | 5500 | } |
| 5485 | 5501 | ||
| 5486 | MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others"); | 5502 | MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others"); |
diff --git a/fs/fcntl.c b/fs/fcntl.c index 6599222536eb..65343c3741ff 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c | |||
| @@ -730,14 +730,14 @@ static int __init fcntl_init(void) | |||
| 730 | * Exceptions: O_NONBLOCK is a two bit define on parisc; O_NDELAY | 730 | * Exceptions: O_NONBLOCK is a two bit define on parisc; O_NDELAY |
| 731 | * is defined as O_NONBLOCK on some platforms and not on others. | 731 | * is defined as O_NONBLOCK on some platforms and not on others. |
| 732 | */ | 732 | */ |
| 733 | BUILD_BUG_ON(19 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32( | 733 | BUILD_BUG_ON(20 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32( |
| 734 | O_RDONLY | O_WRONLY | O_RDWR | | 734 | O_RDONLY | O_WRONLY | O_RDWR | |
| 735 | O_CREAT | O_EXCL | O_NOCTTY | | 735 | O_CREAT | O_EXCL | O_NOCTTY | |
| 736 | O_TRUNC | O_APPEND | /* O_NONBLOCK | */ | 736 | O_TRUNC | O_APPEND | /* O_NONBLOCK | */ |
| 737 | __O_SYNC | O_DSYNC | FASYNC | | 737 | __O_SYNC | O_DSYNC | FASYNC | |
| 738 | O_DIRECT | O_LARGEFILE | O_DIRECTORY | | 738 | O_DIRECT | O_LARGEFILE | O_DIRECTORY | |
| 739 | O_NOFOLLOW | O_NOATIME | O_CLOEXEC | | 739 | O_NOFOLLOW | O_NOATIME | O_CLOEXEC | |
| 740 | __FMODE_EXEC | O_PATH | 740 | __FMODE_EXEC | O_PATH | __O_TMPFILE |
| 741 | )); | 741 | )); |
| 742 | 742 | ||
| 743 | fasync_cache = kmem_cache_create("fasync_cache", | 743 | fasync_cache = kmem_cache_create("fasync_cache", |
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index a3f868ae3fd4..34423978b170 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c | |||
| @@ -463,6 +463,14 @@ static struct inode *hugetlbfs_get_root(struct super_block *sb, | |||
| 463 | return inode; | 463 | return inode; |
| 464 | } | 464 | } |
| 465 | 465 | ||
| 466 | /* | ||
| 467 | * Hugetlbfs is not reclaimable; therefore its i_mmap_mutex will never | ||
| 468 | * be taken from reclaim -- unlike regular filesystems. This needs an | ||
| 469 | * annotation because huge_pmd_share() does an allocation under | ||
| 470 | * i_mmap_mutex. | ||
| 471 | */ | ||
| 472 | struct lock_class_key hugetlbfs_i_mmap_mutex_key; | ||
| 473 | |||
| 466 | static struct inode *hugetlbfs_get_inode(struct super_block *sb, | 474 | static struct inode *hugetlbfs_get_inode(struct super_block *sb, |
| 467 | struct inode *dir, | 475 | struct inode *dir, |
| 468 | umode_t mode, dev_t dev) | 476 | umode_t mode, dev_t dev) |
| @@ -474,6 +482,8 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, | |||
| 474 | struct hugetlbfs_inode_info *info; | 482 | struct hugetlbfs_inode_info *info; |
| 475 | inode->i_ino = get_next_ino(); | 483 | inode->i_ino = get_next_ino(); |
| 476 | inode_init_owner(inode, dir, mode); | 484 | inode_init_owner(inode, dir, mode); |
| 485 | lockdep_set_class(&inode->i_mapping->i_mmap_mutex, | ||
| 486 | &hugetlbfs_i_mmap_mutex_key); | ||
| 477 | inode->i_mapping->a_ops = &hugetlbfs_aops; | 487 | inode->i_mapping->a_ops = &hugetlbfs_aops; |
| 478 | inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info; | 488 | inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info; |
| 479 | inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; | 489 | inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; |
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c index 01bfe7662751..41e491b8e5d7 100644 --- a/fs/lockd/clntlock.c +++ b/fs/lockd/clntlock.c | |||
| @@ -64,12 +64,17 @@ struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init) | |||
| 64 | nlm_init->protocol, nlm_version, | 64 | nlm_init->protocol, nlm_version, |
| 65 | nlm_init->hostname, nlm_init->noresvport, | 65 | nlm_init->hostname, nlm_init->noresvport, |
| 66 | nlm_init->net); | 66 | nlm_init->net); |
| 67 | if (host == NULL) { | 67 | if (host == NULL) |
| 68 | lockd_down(nlm_init->net); | 68 | goto out_nohost; |
| 69 | return ERR_PTR(-ENOLCK); | 69 | if (host->h_rpcclnt == NULL && nlm_bind_host(host) == NULL) |
| 70 | } | 70 | goto out_nobind; |
| 71 | 71 | ||
| 72 | return host; | 72 | return host; |
| 73 | out_nobind: | ||
| 74 | nlmclnt_release_host(host); | ||
| 75 | out_nohost: | ||
| 76 | lockd_down(nlm_init->net); | ||
| 77 | return ERR_PTR(-ENOLCK); | ||
| 73 | } | 78 | } |
| 74 | EXPORT_SYMBOL_GPL(nlmclnt_init); | 79 | EXPORT_SYMBOL_GPL(nlmclnt_init); |
| 75 | 80 | ||
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index 9760ecb9b60f..acd394716349 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c | |||
| @@ -125,14 +125,15 @@ static void nlmclnt_setlockargs(struct nlm_rqst *req, struct file_lock *fl) | |||
| 125 | { | 125 | { |
| 126 | struct nlm_args *argp = &req->a_args; | 126 | struct nlm_args *argp = &req->a_args; |
| 127 | struct nlm_lock *lock = &argp->lock; | 127 | struct nlm_lock *lock = &argp->lock; |
| 128 | char *nodename = req->a_host->h_rpcclnt->cl_nodename; | ||
| 128 | 129 | ||
| 129 | nlmclnt_next_cookie(&argp->cookie); | 130 | nlmclnt_next_cookie(&argp->cookie); |
| 130 | memcpy(&lock->fh, NFS_FH(file_inode(fl->fl_file)), sizeof(struct nfs_fh)); | 131 | memcpy(&lock->fh, NFS_FH(file_inode(fl->fl_file)), sizeof(struct nfs_fh)); |
| 131 | lock->caller = utsname()->nodename; | 132 | lock->caller = nodename; |
| 132 | lock->oh.data = req->a_owner; | 133 | lock->oh.data = req->a_owner; |
| 133 | lock->oh.len = snprintf(req->a_owner, sizeof(req->a_owner), "%u@%s", | 134 | lock->oh.len = snprintf(req->a_owner, sizeof(req->a_owner), "%u@%s", |
| 134 | (unsigned int)fl->fl_u.nfs_fl.owner->pid, | 135 | (unsigned int)fl->fl_u.nfs_fl.owner->pid, |
| 135 | utsname()->nodename); | 136 | nodename); |
| 136 | lock->svid = fl->fl_u.nfs_fl.owner->pid; | 137 | lock->svid = fl->fl_u.nfs_fl.owner->pid; |
| 137 | lock->fl.fl_start = fl->fl_start; | 138 | lock->fl.fl_start = fl->fl_start; |
| 138 | lock->fl.fl_end = fl->fl_end; | 139 | lock->fl.fl_end = fl->fl_end; |
diff --git a/fs/namei.c b/fs/namei.c index 8b61d103a8a7..89a612e392eb 100644 --- a/fs/namei.c +++ b/fs/namei.c | |||
| @@ -3671,15 +3671,11 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname, | |||
| 3671 | if ((flags & ~(AT_SYMLINK_FOLLOW | AT_EMPTY_PATH)) != 0) | 3671 | if ((flags & ~(AT_SYMLINK_FOLLOW | AT_EMPTY_PATH)) != 0) |
| 3672 | return -EINVAL; | 3672 | return -EINVAL; |
| 3673 | /* | 3673 | /* |
| 3674 | * To use null names we require CAP_DAC_READ_SEARCH | 3674 | * Using empty names is equivalent to using AT_SYMLINK_FOLLOW |
| 3675 | * This ensures that not everyone will be able to create | 3675 | * on /proc/self/fd/<fd>. |
| 3676 | * handlink using the passed filedescriptor. | ||
| 3677 | */ | 3676 | */ |
| 3678 | if (flags & AT_EMPTY_PATH) { | 3677 | if (flags & AT_EMPTY_PATH) |
| 3679 | if (!capable(CAP_DAC_READ_SEARCH)) | ||
| 3680 | return -ENOENT; | ||
| 3681 | how = LOOKUP_EMPTY; | 3678 | how = LOOKUP_EMPTY; |
| 3682 | } | ||
| 3683 | 3679 | ||
| 3684 | if (flags & AT_SYMLINK_FOLLOW) | 3680 | if (flags & AT_SYMLINK_FOLLOW) |
| 3685 | how |= LOOKUP_FOLLOW; | 3681 | how |= LOOKUP_FOLLOW; |
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index af6e806044d7..941246f2b43d 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c | |||
| @@ -463,7 +463,6 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st | |||
| 463 | unlock_new_inode(inode); | 463 | unlock_new_inode(inode); |
| 464 | } else | 464 | } else |
| 465 | nfs_refresh_inode(inode, fattr); | 465 | nfs_refresh_inode(inode, fattr); |
| 466 | nfs_setsecurity(inode, fattr, label); | ||
| 467 | dprintk("NFS: nfs_fhget(%s/%Ld fh_crc=0x%08x ct=%d)\n", | 466 | dprintk("NFS: nfs_fhget(%s/%Ld fh_crc=0x%08x ct=%d)\n", |
| 468 | inode->i_sb->s_id, | 467 | inode->i_sb->s_id, |
| 469 | (long long)NFS_FILEID(inode), | 468 | (long long)NFS_FILEID(inode), |
| @@ -963,9 +962,15 @@ EXPORT_SYMBOL_GPL(nfs_revalidate_inode); | |||
| 963 | static int nfs_invalidate_mapping(struct inode *inode, struct address_space *mapping) | 962 | static int nfs_invalidate_mapping(struct inode *inode, struct address_space *mapping) |
| 964 | { | 963 | { |
| 965 | struct nfs_inode *nfsi = NFS_I(inode); | 964 | struct nfs_inode *nfsi = NFS_I(inode); |
| 966 | 965 | int ret; | |
| 966 | |||
| 967 | if (mapping->nrpages != 0) { | 967 | if (mapping->nrpages != 0) { |
| 968 | int ret = invalidate_inode_pages2(mapping); | 968 | if (S_ISREG(inode->i_mode)) { |
| 969 | ret = nfs_sync_mapping(mapping); | ||
| 970 | if (ret < 0) | ||
| 971 | return ret; | ||
| 972 | } | ||
| 973 | ret = invalidate_inode_pages2(mapping); | ||
| 969 | if (ret < 0) | 974 | if (ret < 0) |
| 970 | return ret; | 975 | return ret; |
| 971 | } | 976 | } |
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index cf11799297c4..108a774095f7 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c | |||
| @@ -3071,15 +3071,13 @@ struct rpc_clnt * | |||
| 3071 | nfs4_proc_lookup_mountpoint(struct inode *dir, struct qstr *name, | 3071 | nfs4_proc_lookup_mountpoint(struct inode *dir, struct qstr *name, |
| 3072 | struct nfs_fh *fhandle, struct nfs_fattr *fattr) | 3072 | struct nfs_fh *fhandle, struct nfs_fattr *fattr) |
| 3073 | { | 3073 | { |
| 3074 | struct rpc_clnt *client = NFS_CLIENT(dir); | ||
| 3074 | int status; | 3075 | int status; |
| 3075 | struct rpc_clnt *client = rpc_clone_client(NFS_CLIENT(dir)); | ||
| 3076 | 3076 | ||
| 3077 | status = nfs4_proc_lookup_common(&client, dir, name, fhandle, fattr, NULL); | 3077 | status = nfs4_proc_lookup_common(&client, dir, name, fhandle, fattr, NULL); |
| 3078 | if (status < 0) { | 3078 | if (status < 0) |
| 3079 | rpc_shutdown_client(client); | ||
| 3080 | return ERR_PTR(status); | 3079 | return ERR_PTR(status); |
| 3081 | } | 3080 | return (client == NFS_CLIENT(dir)) ? rpc_clone_client(client) : client; |
| 3082 | return client; | ||
| 3083 | } | 3081 | } |
| 3084 | 3082 | ||
| 3085 | static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry) | 3083 | static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry) |
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 71fdc0dfa0d2..f6db66d8f647 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c | |||
| @@ -2478,6 +2478,10 @@ struct dentry *nfs_fs_mount_common(struct nfs_server *server, | |||
| 2478 | if (server->flags & NFS_MOUNT_NOAC) | 2478 | if (server->flags & NFS_MOUNT_NOAC) |
| 2479 | sb_mntdata.mntflags |= MS_SYNCHRONOUS; | 2479 | sb_mntdata.mntflags |= MS_SYNCHRONOUS; |
| 2480 | 2480 | ||
| 2481 | if (mount_info->cloned != NULL && mount_info->cloned->sb != NULL) | ||
| 2482 | if (mount_info->cloned->sb->s_flags & MS_SYNCHRONOUS) | ||
| 2483 | sb_mntdata.mntflags |= MS_SYNCHRONOUS; | ||
| 2484 | |||
| 2481 | /* Get a superblock - note that we may end up sharing one that already exists */ | 2485 | /* Get a superblock - note that we may end up sharing one that already exists */ |
| 2482 | s = sget(nfs_mod->nfs_fs, compare_super, nfs_set_super, flags, &sb_mntdata); | 2486 | s = sget(nfs_mod->nfs_fs, compare_super, nfs_set_super, flags, &sb_mntdata); |
| 2483 | if (IS_ERR(s)) { | 2487 | if (IS_ERR(s)) { |
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 0d4c410e4589..419572f33b72 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c | |||
| @@ -1524,7 +1524,7 @@ static inline u32 nfsd4_write_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op) | |||
| 1524 | static inline u32 nfsd4_exchange_id_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op) | 1524 | static inline u32 nfsd4_exchange_id_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op) |
| 1525 | { | 1525 | { |
| 1526 | return (op_encode_hdr_size + 2 + 1 + /* eir_clientid, eir_sequenceid */\ | 1526 | return (op_encode_hdr_size + 2 + 1 + /* eir_clientid, eir_sequenceid */\ |
| 1527 | 1 + 1 + 0 + /* eir_flags, spr_how, SP4_NONE (for now) */\ | 1527 | 1 + 1 + 2 + /* eir_flags, spr_how, spo_must_enforce & _allow */\ |
| 1528 | 2 + /*eir_server_owner.so_minor_id */\ | 1528 | 2 + /*eir_server_owner.so_minor_id */\ |
| 1529 | /* eir_server_owner.so_major_id<> */\ | 1529 | /* eir_server_owner.so_major_id<> */\ |
| 1530 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 +\ | 1530 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 +\ |
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 280acef6f0dc..43f42290e5df 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c | |||
| @@ -1264,6 +1264,8 @@ static bool svc_rqst_integrity_protected(struct svc_rqst *rqstp) | |||
| 1264 | struct svc_cred *cr = &rqstp->rq_cred; | 1264 | struct svc_cred *cr = &rqstp->rq_cred; |
| 1265 | u32 service; | 1265 | u32 service; |
| 1266 | 1266 | ||
| 1267 | if (!cr->cr_gss_mech) | ||
| 1268 | return false; | ||
| 1267 | service = gss_pseudoflavor_to_service(cr->cr_gss_mech, cr->cr_flavor); | 1269 | service = gss_pseudoflavor_to_service(cr->cr_gss_mech, cr->cr_flavor); |
| 1268 | return service == RPC_GSS_SVC_INTEGRITY || | 1270 | return service == RPC_GSS_SVC_INTEGRITY || |
| 1269 | service == RPC_GSS_SVC_PRIVACY; | 1271 | service == RPC_GSS_SVC_PRIVACY; |
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 0c0f3ea90de5..c2a4701d7286 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c | |||
| @@ -3360,7 +3360,8 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr, | |||
| 3360 | 8 /* eir_clientid */ + | 3360 | 8 /* eir_clientid */ + |
| 3361 | 4 /* eir_sequenceid */ + | 3361 | 4 /* eir_sequenceid */ + |
| 3362 | 4 /* eir_flags */ + | 3362 | 4 /* eir_flags */ + |
| 3363 | 4 /* spr_how (SP4_NONE) */ + | 3363 | 4 /* spr_how */ + |
| 3364 | 8 /* spo_must_enforce, spo_must_allow */ + | ||
| 3364 | 8 /* so_minor_id */ + | 3365 | 8 /* so_minor_id */ + |
| 3365 | 4 /* so_major_id.len */ + | 3366 | 4 /* so_major_id.len */ + |
| 3366 | (XDR_QUADLEN(major_id_sz) * 4) + | 3367 | (XDR_QUADLEN(major_id_sz) * 4) + |
| @@ -3372,8 +3373,6 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr, | |||
| 3372 | WRITE32(exid->seqid); | 3373 | WRITE32(exid->seqid); |
| 3373 | WRITE32(exid->flags); | 3374 | WRITE32(exid->flags); |
| 3374 | 3375 | ||
| 3375 | /* state_protect4_r. Currently only support SP4_NONE */ | ||
| 3376 | BUG_ON(exid->spa_how != SP4_NONE); | ||
| 3377 | WRITE32(exid->spa_how); | 3376 | WRITE32(exid->spa_how); |
| 3378 | switch (exid->spa_how) { | 3377 | switch (exid->spa_how) { |
| 3379 | case SP4_NONE: | 3378 | case SP4_NONE: |
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 79736a28d84f..2abf97b2a592 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c | |||
| @@ -1757,7 +1757,7 @@ try_again: | |||
| 1757 | goto out; | 1757 | goto out; |
| 1758 | } else if (ret == 1) { | 1758 | } else if (ret == 1) { |
| 1759 | clusters_need = wc->w_clen; | 1759 | clusters_need = wc->w_clen; |
| 1760 | ret = ocfs2_refcount_cow(inode, filp, di_bh, | 1760 | ret = ocfs2_refcount_cow(inode, di_bh, |
| 1761 | wc->w_cpos, wc->w_clen, UINT_MAX); | 1761 | wc->w_cpos, wc->w_clen, UINT_MAX); |
| 1762 | if (ret) { | 1762 | if (ret) { |
| 1763 | mlog_errno(ret); | 1763 | mlog_errno(ret); |
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index eb760d8acd50..30544ce8e9f7 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c | |||
| @@ -2153,11 +2153,9 @@ int ocfs2_empty_dir(struct inode *inode) | |||
| 2153 | { | 2153 | { |
| 2154 | int ret; | 2154 | int ret; |
| 2155 | struct ocfs2_empty_dir_priv priv = { | 2155 | struct ocfs2_empty_dir_priv priv = { |
| 2156 | .ctx.actor = ocfs2_empty_dir_filldir | 2156 | .ctx.actor = ocfs2_empty_dir_filldir, |
| 2157 | }; | 2157 | }; |
| 2158 | 2158 | ||
| 2159 | memset(&priv, 0, sizeof(priv)); | ||
| 2160 | |||
| 2161 | if (ocfs2_dir_indexed(inode)) { | 2159 | if (ocfs2_dir_indexed(inode)) { |
| 2162 | ret = ocfs2_empty_dir_dx(inode, &priv); | 2160 | ret = ocfs2_empty_dir_dx(inode, &priv); |
| 2163 | if (ret) | 2161 | if (ret) |
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 41000f223ca4..3261d71319ee 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c | |||
| @@ -370,7 +370,7 @@ static int ocfs2_cow_file_pos(struct inode *inode, | |||
| 370 | if (!(ext_flags & OCFS2_EXT_REFCOUNTED)) | 370 | if (!(ext_flags & OCFS2_EXT_REFCOUNTED)) |
| 371 | goto out; | 371 | goto out; |
| 372 | 372 | ||
| 373 | return ocfs2_refcount_cow(inode, NULL, fe_bh, cpos, 1, cpos+1); | 373 | return ocfs2_refcount_cow(inode, fe_bh, cpos, 1, cpos+1); |
| 374 | 374 | ||
| 375 | out: | 375 | out: |
| 376 | return status; | 376 | return status; |
| @@ -899,7 +899,7 @@ static int ocfs2_zero_extend_get_range(struct inode *inode, | |||
| 899 | zero_clusters = last_cpos - zero_cpos; | 899 | zero_clusters = last_cpos - zero_cpos; |
| 900 | 900 | ||
| 901 | if (needs_cow) { | 901 | if (needs_cow) { |
| 902 | rc = ocfs2_refcount_cow(inode, NULL, di_bh, zero_cpos, | 902 | rc = ocfs2_refcount_cow(inode, di_bh, zero_cpos, |
| 903 | zero_clusters, UINT_MAX); | 903 | zero_clusters, UINT_MAX); |
| 904 | if (rc) { | 904 | if (rc) { |
| 905 | mlog_errno(rc); | 905 | mlog_errno(rc); |
| @@ -2078,7 +2078,7 @@ static int ocfs2_prepare_inode_for_refcount(struct inode *inode, | |||
| 2078 | 2078 | ||
| 2079 | *meta_level = 1; | 2079 | *meta_level = 1; |
| 2080 | 2080 | ||
| 2081 | ret = ocfs2_refcount_cow(inode, file, di_bh, cpos, clusters, UINT_MAX); | 2081 | ret = ocfs2_refcount_cow(inode, di_bh, cpos, clusters, UINT_MAX); |
| 2082 | if (ret) | 2082 | if (ret) |
| 2083 | mlog_errno(ret); | 2083 | mlog_errno(ret); |
| 2084 | out: | 2084 | out: |
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index 96f9ac237e86..0a992737dcaf 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h | |||
| @@ -537,7 +537,7 @@ static inline int ocfs2_calc_extend_credits(struct super_block *sb, | |||
| 537 | extent_blocks = 1 + 1 + le16_to_cpu(root_el->l_tree_depth); | 537 | extent_blocks = 1 + 1 + le16_to_cpu(root_el->l_tree_depth); |
| 538 | 538 | ||
| 539 | return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks + | 539 | return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks + |
| 540 | ocfs2_quota_trans_credits(sb) + bits_wanted; | 540 | ocfs2_quota_trans_credits(sb); |
| 541 | } | 541 | } |
| 542 | 542 | ||
| 543 | static inline int ocfs2_calc_symlink_credits(struct super_block *sb) | 543 | static inline int ocfs2_calc_symlink_credits(struct super_block *sb) |
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c index f1fc172175b6..452068b45749 100644 --- a/fs/ocfs2/move_extents.c +++ b/fs/ocfs2/move_extents.c | |||
| @@ -69,7 +69,7 @@ static int __ocfs2_move_extent(handle_t *handle, | |||
| 69 | u64 ino = ocfs2_metadata_cache_owner(context->et.et_ci); | 69 | u64 ino = ocfs2_metadata_cache_owner(context->et.et_ci); |
| 70 | u64 old_blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cpos); | 70 | u64 old_blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cpos); |
| 71 | 71 | ||
| 72 | ret = ocfs2_duplicate_clusters_by_page(handle, context->file, cpos, | 72 | ret = ocfs2_duplicate_clusters_by_page(handle, inode, cpos, |
| 73 | p_cpos, new_p_cpos, len); | 73 | p_cpos, new_p_cpos, len); |
| 74 | if (ret) { | 74 | if (ret) { |
| 75 | mlog_errno(ret); | 75 | mlog_errno(ret); |
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index 998b17eda09d..a70d604593b6 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c | |||
| @@ -49,7 +49,6 @@ | |||
| 49 | 49 | ||
| 50 | struct ocfs2_cow_context { | 50 | struct ocfs2_cow_context { |
| 51 | struct inode *inode; | 51 | struct inode *inode; |
| 52 | struct file *file; | ||
| 53 | u32 cow_start; | 52 | u32 cow_start; |
| 54 | u32 cow_len; | 53 | u32 cow_len; |
| 55 | struct ocfs2_extent_tree data_et; | 54 | struct ocfs2_extent_tree data_et; |
| @@ -66,7 +65,7 @@ struct ocfs2_cow_context { | |||
| 66 | u32 *num_clusters, | 65 | u32 *num_clusters, |
| 67 | unsigned int *extent_flags); | 66 | unsigned int *extent_flags); |
| 68 | int (*cow_duplicate_clusters)(handle_t *handle, | 67 | int (*cow_duplicate_clusters)(handle_t *handle, |
| 69 | struct file *file, | 68 | struct inode *inode, |
| 70 | u32 cpos, u32 old_cluster, | 69 | u32 cpos, u32 old_cluster, |
| 71 | u32 new_cluster, u32 new_len); | 70 | u32 new_cluster, u32 new_len); |
| 72 | }; | 71 | }; |
| @@ -2922,14 +2921,12 @@ static int ocfs2_clear_cow_buffer(handle_t *handle, struct buffer_head *bh) | |||
| 2922 | } | 2921 | } |
| 2923 | 2922 | ||
| 2924 | int ocfs2_duplicate_clusters_by_page(handle_t *handle, | 2923 | int ocfs2_duplicate_clusters_by_page(handle_t *handle, |
| 2925 | struct file *file, | 2924 | struct inode *inode, |
| 2926 | u32 cpos, u32 old_cluster, | 2925 | u32 cpos, u32 old_cluster, |
| 2927 | u32 new_cluster, u32 new_len) | 2926 | u32 new_cluster, u32 new_len) |
| 2928 | { | 2927 | { |
| 2929 | int ret = 0, partial; | 2928 | int ret = 0, partial; |
| 2930 | struct inode *inode = file_inode(file); | 2929 | struct super_block *sb = inode->i_sb; |
| 2931 | struct ocfs2_caching_info *ci = INODE_CACHE(inode); | ||
| 2932 | struct super_block *sb = ocfs2_metadata_cache_get_super(ci); | ||
| 2933 | u64 new_block = ocfs2_clusters_to_blocks(sb, new_cluster); | 2930 | u64 new_block = ocfs2_clusters_to_blocks(sb, new_cluster); |
| 2934 | struct page *page; | 2931 | struct page *page; |
| 2935 | pgoff_t page_index; | 2932 | pgoff_t page_index; |
| @@ -2965,6 +2962,11 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle, | |||
| 2965 | to = map_end & (PAGE_CACHE_SIZE - 1); | 2962 | to = map_end & (PAGE_CACHE_SIZE - 1); |
| 2966 | 2963 | ||
| 2967 | page = find_or_create_page(mapping, page_index, GFP_NOFS); | 2964 | page = find_or_create_page(mapping, page_index, GFP_NOFS); |
| 2965 | if (!page) { | ||
| 2966 | ret = -ENOMEM; | ||
| 2967 | mlog_errno(ret); | ||
| 2968 | break; | ||
| 2969 | } | ||
| 2968 | 2970 | ||
| 2969 | /* | 2971 | /* |
| 2970 | * In case PAGE_CACHE_SIZE <= CLUSTER_SIZE, This page | 2972 | * In case PAGE_CACHE_SIZE <= CLUSTER_SIZE, This page |
| @@ -2973,13 +2975,6 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle, | |||
| 2973 | if (PAGE_CACHE_SIZE <= OCFS2_SB(sb)->s_clustersize) | 2975 | if (PAGE_CACHE_SIZE <= OCFS2_SB(sb)->s_clustersize) |
| 2974 | BUG_ON(PageDirty(page)); | 2976 | BUG_ON(PageDirty(page)); |
| 2975 | 2977 | ||
| 2976 | if (PageReadahead(page)) { | ||
| 2977 | page_cache_async_readahead(mapping, | ||
| 2978 | &file->f_ra, file, | ||
| 2979 | page, page_index, | ||
| 2980 | readahead_pages); | ||
| 2981 | } | ||
| 2982 | |||
| 2983 | if (!PageUptodate(page)) { | 2978 | if (!PageUptodate(page)) { |
| 2984 | ret = block_read_full_page(page, ocfs2_get_block); | 2979 | ret = block_read_full_page(page, ocfs2_get_block); |
| 2985 | if (ret) { | 2980 | if (ret) { |
| @@ -2999,7 +2994,8 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle, | |||
| 2999 | } | 2994 | } |
| 3000 | } | 2995 | } |
| 3001 | 2996 | ||
| 3002 | ocfs2_map_and_dirty_page(inode, handle, from, to, | 2997 | ocfs2_map_and_dirty_page(inode, |
| 2998 | handle, from, to, | ||
| 3003 | page, 0, &new_block); | 2999 | page, 0, &new_block); |
| 3004 | mark_page_accessed(page); | 3000 | mark_page_accessed(page); |
| 3005 | unlock: | 3001 | unlock: |
| @@ -3015,12 +3011,11 @@ unlock: | |||
| 3015 | } | 3011 | } |
| 3016 | 3012 | ||
| 3017 | int ocfs2_duplicate_clusters_by_jbd(handle_t *handle, | 3013 | int ocfs2_duplicate_clusters_by_jbd(handle_t *handle, |
| 3018 | struct file *file, | 3014 | struct inode *inode, |
| 3019 | u32 cpos, u32 old_cluster, | 3015 | u32 cpos, u32 old_cluster, |
| 3020 | u32 new_cluster, u32 new_len) | 3016 | u32 new_cluster, u32 new_len) |
| 3021 | { | 3017 | { |
| 3022 | int ret = 0; | 3018 | int ret = 0; |
| 3023 | struct inode *inode = file_inode(file); | ||
| 3024 | struct super_block *sb = inode->i_sb; | 3019 | struct super_block *sb = inode->i_sb; |
| 3025 | struct ocfs2_caching_info *ci = INODE_CACHE(inode); | 3020 | struct ocfs2_caching_info *ci = INODE_CACHE(inode); |
| 3026 | int i, blocks = ocfs2_clusters_to_blocks(sb, new_len); | 3021 | int i, blocks = ocfs2_clusters_to_blocks(sb, new_len); |
| @@ -3145,7 +3140,7 @@ static int ocfs2_replace_clusters(handle_t *handle, | |||
| 3145 | 3140 | ||
| 3146 | /*If the old clusters is unwritten, no need to duplicate. */ | 3141 | /*If the old clusters is unwritten, no need to duplicate. */ |
| 3147 | if (!(ext_flags & OCFS2_EXT_UNWRITTEN)) { | 3142 | if (!(ext_flags & OCFS2_EXT_UNWRITTEN)) { |
| 3148 | ret = context->cow_duplicate_clusters(handle, context->file, | 3143 | ret = context->cow_duplicate_clusters(handle, context->inode, |
| 3149 | cpos, old, new, len); | 3144 | cpos, old, new, len); |
| 3150 | if (ret) { | 3145 | if (ret) { |
| 3151 | mlog_errno(ret); | 3146 | mlog_errno(ret); |
| @@ -3423,35 +3418,12 @@ static int ocfs2_replace_cow(struct ocfs2_cow_context *context) | |||
| 3423 | return ret; | 3418 | return ret; |
| 3424 | } | 3419 | } |
| 3425 | 3420 | ||
| 3426 | static void ocfs2_readahead_for_cow(struct inode *inode, | ||
| 3427 | struct file *file, | ||
| 3428 | u32 start, u32 len) | ||
| 3429 | { | ||
| 3430 | struct address_space *mapping; | ||
| 3431 | pgoff_t index; | ||
| 3432 | unsigned long num_pages; | ||
| 3433 | int cs_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits; | ||
| 3434 | |||
| 3435 | if (!file) | ||
| 3436 | return; | ||
| 3437 | |||
| 3438 | mapping = file->f_mapping; | ||
| 3439 | num_pages = (len << cs_bits) >> PAGE_CACHE_SHIFT; | ||
| 3440 | if (!num_pages) | ||
| 3441 | num_pages = 1; | ||
| 3442 | |||
| 3443 | index = ((loff_t)start << cs_bits) >> PAGE_CACHE_SHIFT; | ||
| 3444 | page_cache_sync_readahead(mapping, &file->f_ra, file, | ||
| 3445 | index, num_pages); | ||
| 3446 | } | ||
| 3447 | |||
| 3448 | /* | 3421 | /* |
| 3449 | * Starting at cpos, try to CoW write_len clusters. Don't CoW | 3422 | * Starting at cpos, try to CoW write_len clusters. Don't CoW |
| 3450 | * past max_cpos. This will stop when it runs into a hole or an | 3423 | * past max_cpos. This will stop when it runs into a hole or an |
| 3451 | * unrefcounted extent. | 3424 | * unrefcounted extent. |
| 3452 | */ | 3425 | */ |
| 3453 | static int ocfs2_refcount_cow_hunk(struct inode *inode, | 3426 | static int ocfs2_refcount_cow_hunk(struct inode *inode, |
| 3454 | struct file *file, | ||
| 3455 | struct buffer_head *di_bh, | 3427 | struct buffer_head *di_bh, |
| 3456 | u32 cpos, u32 write_len, u32 max_cpos) | 3428 | u32 cpos, u32 write_len, u32 max_cpos) |
| 3457 | { | 3429 | { |
| @@ -3480,8 +3452,6 @@ static int ocfs2_refcount_cow_hunk(struct inode *inode, | |||
| 3480 | 3452 | ||
| 3481 | BUG_ON(cow_len == 0); | 3453 | BUG_ON(cow_len == 0); |
| 3482 | 3454 | ||
| 3483 | ocfs2_readahead_for_cow(inode, file, cow_start, cow_len); | ||
| 3484 | |||
| 3485 | context = kzalloc(sizeof(struct ocfs2_cow_context), GFP_NOFS); | 3455 | context = kzalloc(sizeof(struct ocfs2_cow_context), GFP_NOFS); |
| 3486 | if (!context) { | 3456 | if (!context) { |
| 3487 | ret = -ENOMEM; | 3457 | ret = -ENOMEM; |
| @@ -3503,7 +3473,6 @@ static int ocfs2_refcount_cow_hunk(struct inode *inode, | |||
| 3503 | context->ref_root_bh = ref_root_bh; | 3473 | context->ref_root_bh = ref_root_bh; |
| 3504 | context->cow_duplicate_clusters = ocfs2_duplicate_clusters_by_page; | 3474 | context->cow_duplicate_clusters = ocfs2_duplicate_clusters_by_page; |
| 3505 | context->get_clusters = ocfs2_di_get_clusters; | 3475 | context->get_clusters = ocfs2_di_get_clusters; |
| 3506 | context->file = file; | ||
| 3507 | 3476 | ||
| 3508 | ocfs2_init_dinode_extent_tree(&context->data_et, | 3477 | ocfs2_init_dinode_extent_tree(&context->data_et, |
| 3509 | INODE_CACHE(inode), di_bh); | 3478 | INODE_CACHE(inode), di_bh); |
| @@ -3532,7 +3501,6 @@ out: | |||
| 3532 | * clusters between cpos and cpos+write_len are safe to modify. | 3501 | * clusters between cpos and cpos+write_len are safe to modify. |
| 3533 | */ | 3502 | */ |
| 3534 | int ocfs2_refcount_cow(struct inode *inode, | 3503 | int ocfs2_refcount_cow(struct inode *inode, |
| 3535 | struct file *file, | ||
| 3536 | struct buffer_head *di_bh, | 3504 | struct buffer_head *di_bh, |
| 3537 | u32 cpos, u32 write_len, u32 max_cpos) | 3505 | u32 cpos, u32 write_len, u32 max_cpos) |
| 3538 | { | 3506 | { |
| @@ -3552,7 +3520,7 @@ int ocfs2_refcount_cow(struct inode *inode, | |||
| 3552 | num_clusters = write_len; | 3520 | num_clusters = write_len; |
| 3553 | 3521 | ||
| 3554 | if (ext_flags & OCFS2_EXT_REFCOUNTED) { | 3522 | if (ext_flags & OCFS2_EXT_REFCOUNTED) { |
| 3555 | ret = ocfs2_refcount_cow_hunk(inode, file, di_bh, cpos, | 3523 | ret = ocfs2_refcount_cow_hunk(inode, di_bh, cpos, |
| 3556 | num_clusters, max_cpos); | 3524 | num_clusters, max_cpos); |
| 3557 | if (ret) { | 3525 | if (ret) { |
| 3558 | mlog_errno(ret); | 3526 | mlog_errno(ret); |
diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h index 7754608c83a4..6422bbcdb525 100644 --- a/fs/ocfs2/refcounttree.h +++ b/fs/ocfs2/refcounttree.h | |||
| @@ -53,7 +53,7 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode, | |||
| 53 | int *credits, | 53 | int *credits, |
| 54 | int *ref_blocks); | 54 | int *ref_blocks); |
| 55 | int ocfs2_refcount_cow(struct inode *inode, | 55 | int ocfs2_refcount_cow(struct inode *inode, |
| 56 | struct file *filep, struct buffer_head *di_bh, | 56 | struct buffer_head *di_bh, |
| 57 | u32 cpos, u32 write_len, u32 max_cpos); | 57 | u32 cpos, u32 write_len, u32 max_cpos); |
| 58 | 58 | ||
| 59 | typedef int (ocfs2_post_refcount_func)(struct inode *inode, | 59 | typedef int (ocfs2_post_refcount_func)(struct inode *inode, |
| @@ -85,11 +85,11 @@ int ocfs2_refcount_cow_xattr(struct inode *inode, | |||
| 85 | u32 cpos, u32 write_len, | 85 | u32 cpos, u32 write_len, |
| 86 | struct ocfs2_post_refcount *post); | 86 | struct ocfs2_post_refcount *post); |
| 87 | int ocfs2_duplicate_clusters_by_page(handle_t *handle, | 87 | int ocfs2_duplicate_clusters_by_page(handle_t *handle, |
| 88 | struct file *file, | 88 | struct inode *inode, |
| 89 | u32 cpos, u32 old_cluster, | 89 | u32 cpos, u32 old_cluster, |
| 90 | u32 new_cluster, u32 new_len); | 90 | u32 new_cluster, u32 new_len); |
| 91 | int ocfs2_duplicate_clusters_by_jbd(handle_t *handle, | 91 | int ocfs2_duplicate_clusters_by_jbd(handle_t *handle, |
| 92 | struct file *file, | 92 | struct inode *inode, |
| 93 | u32 cpos, u32 old_cluster, | 93 | u32 cpos, u32 old_cluster, |
| 94 | u32 new_cluster, u32 new_len); | 94 | u32 new_cluster, u32 new_len); |
| 95 | int ocfs2_cow_sync_writeback(struct super_block *sb, | 95 | int ocfs2_cow_sync_writeback(struct super_block *sb, |
| @@ -823,7 +823,7 @@ static inline int build_open_flags(int flags, umode_t mode, struct open_flags *o | |||
| 823 | int lookup_flags = 0; | 823 | int lookup_flags = 0; |
| 824 | int acc_mode; | 824 | int acc_mode; |
| 825 | 825 | ||
| 826 | if (flags & O_CREAT) | 826 | if (flags & (O_CREAT | __O_TMPFILE)) |
| 827 | op->mode = (mode & S_IALLUGO) | S_IFREG; | 827 | op->mode = (mode & S_IALLUGO) | S_IFREG; |
| 828 | else | 828 | else |
| 829 | op->mode = 0; | 829 | op->mode = 0; |
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index dbf61f6174f0..107d026f5d6e 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c | |||
| @@ -730,8 +730,16 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma, | |||
| 730 | * of how soft-dirty works. | 730 | * of how soft-dirty works. |
| 731 | */ | 731 | */ |
| 732 | pte_t ptent = *pte; | 732 | pte_t ptent = *pte; |
| 733 | ptent = pte_wrprotect(ptent); | 733 | |
| 734 | ptent = pte_clear_flags(ptent, _PAGE_SOFT_DIRTY); | 734 | if (pte_present(ptent)) { |
| 735 | ptent = pte_wrprotect(ptent); | ||
| 736 | ptent = pte_clear_flags(ptent, _PAGE_SOFT_DIRTY); | ||
| 737 | } else if (is_swap_pte(ptent)) { | ||
| 738 | ptent = pte_swp_clear_soft_dirty(ptent); | ||
| 739 | } else if (pte_file(ptent)) { | ||
| 740 | ptent = pte_file_clear_soft_dirty(ptent); | ||
| 741 | } | ||
| 742 | |||
| 735 | set_pte_at(vma->vm_mm, addr, pte, ptent); | 743 | set_pte_at(vma->vm_mm, addr, pte, ptent); |
| 736 | #endif | 744 | #endif |
| 737 | } | 745 | } |
| @@ -752,14 +760,15 @@ static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr, | |||
| 752 | pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); | 760 | pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); |
| 753 | for (; addr != end; pte++, addr += PAGE_SIZE) { | 761 | for (; addr != end; pte++, addr += PAGE_SIZE) { |
| 754 | ptent = *pte; | 762 | ptent = *pte; |
| 755 | if (!pte_present(ptent)) | ||
| 756 | continue; | ||
| 757 | 763 | ||
| 758 | if (cp->type == CLEAR_REFS_SOFT_DIRTY) { | 764 | if (cp->type == CLEAR_REFS_SOFT_DIRTY) { |
| 759 | clear_soft_dirty(vma, addr, pte); | 765 | clear_soft_dirty(vma, addr, pte); |
| 760 | continue; | 766 | continue; |
| 761 | } | 767 | } |
| 762 | 768 | ||
| 769 | if (!pte_present(ptent)) | ||
| 770 | continue; | ||
| 771 | |||
| 763 | page = vm_normal_page(vma, addr, ptent); | 772 | page = vm_normal_page(vma, addr, ptent); |
| 764 | if (!page) | 773 | if (!page) |
| 765 | continue; | 774 | continue; |
| @@ -859,7 +868,7 @@ typedef struct { | |||
| 859 | } pagemap_entry_t; | 868 | } pagemap_entry_t; |
| 860 | 869 | ||
| 861 | struct pagemapread { | 870 | struct pagemapread { |
| 862 | int pos, len; | 871 | int pos, len; /* units: PM_ENTRY_BYTES, not bytes */ |
| 863 | pagemap_entry_t *buffer; | 872 | pagemap_entry_t *buffer; |
| 864 | bool v2; | 873 | bool v2; |
| 865 | }; | 874 | }; |
| @@ -867,7 +876,7 @@ struct pagemapread { | |||
| 867 | #define PAGEMAP_WALK_SIZE (PMD_SIZE) | 876 | #define PAGEMAP_WALK_SIZE (PMD_SIZE) |
| 868 | #define PAGEMAP_WALK_MASK (PMD_MASK) | 877 | #define PAGEMAP_WALK_MASK (PMD_MASK) |
| 869 | 878 | ||
| 870 | #define PM_ENTRY_BYTES sizeof(u64) | 879 | #define PM_ENTRY_BYTES sizeof(pagemap_entry_t) |
| 871 | #define PM_STATUS_BITS 3 | 880 | #define PM_STATUS_BITS 3 |
| 872 | #define PM_STATUS_OFFSET (64 - PM_STATUS_BITS) | 881 | #define PM_STATUS_OFFSET (64 - PM_STATUS_BITS) |
| 873 | #define PM_STATUS_MASK (((1LL << PM_STATUS_BITS) - 1) << PM_STATUS_OFFSET) | 882 | #define PM_STATUS_MASK (((1LL << PM_STATUS_BITS) - 1) << PM_STATUS_OFFSET) |
| @@ -930,8 +939,10 @@ static void pte_to_pagemap_entry(pagemap_entry_t *pme, struct pagemapread *pm, | |||
| 930 | flags = PM_PRESENT; | 939 | flags = PM_PRESENT; |
| 931 | page = vm_normal_page(vma, addr, pte); | 940 | page = vm_normal_page(vma, addr, pte); |
| 932 | } else if (is_swap_pte(pte)) { | 941 | } else if (is_swap_pte(pte)) { |
| 933 | swp_entry_t entry = pte_to_swp_entry(pte); | 942 | swp_entry_t entry; |
| 934 | 943 | if (pte_swp_soft_dirty(pte)) | |
| 944 | flags2 |= __PM_SOFT_DIRTY; | ||
| 945 | entry = pte_to_swp_entry(pte); | ||
| 935 | frame = swp_type(entry) | | 946 | frame = swp_type(entry) | |
| 936 | (swp_offset(entry) << MAX_SWAPFILES_SHIFT); | 947 | (swp_offset(entry) << MAX_SWAPFILES_SHIFT); |
| 937 | flags = PM_SWAP; | 948 | flags = PM_SWAP; |
| @@ -1116,8 +1127,8 @@ static ssize_t pagemap_read(struct file *file, char __user *buf, | |||
| 1116 | goto out_task; | 1127 | goto out_task; |
| 1117 | 1128 | ||
| 1118 | pm.v2 = soft_dirty_cleared; | 1129 | pm.v2 = soft_dirty_cleared; |
| 1119 | pm.len = PM_ENTRY_BYTES * (PAGEMAP_WALK_SIZE >> PAGE_SHIFT); | 1130 | pm.len = (PAGEMAP_WALK_SIZE >> PAGE_SHIFT); |
| 1120 | pm.buffer = kmalloc(pm.len, GFP_TEMPORARY); | 1131 | pm.buffer = kmalloc(pm.len * PM_ENTRY_BYTES, GFP_TEMPORARY); |
| 1121 | ret = -ENOMEM; | 1132 | ret = -ENOMEM; |
| 1122 | if (!pm.buffer) | 1133 | if (!pm.buffer) |
| 1123 | goto out_task; | 1134 | goto out_task; |
diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c index 33532f79b4f7..a958444a75fc 100644 --- a/fs/reiserfs/procfs.c +++ b/fs/reiserfs/procfs.c | |||
| @@ -19,12 +19,13 @@ | |||
| 19 | /* | 19 | /* |
| 20 | * LOCKING: | 20 | * LOCKING: |
| 21 | * | 21 | * |
| 22 | * We rely on new Alexander Viro's super-block locking. | 22 | * These guys are evicted from procfs as the very first step in ->kill_sb(). |
| 23 | * | 23 | * |
| 24 | */ | 24 | */ |
| 25 | 25 | ||
| 26 | static int show_version(struct seq_file *m, struct super_block *sb) | 26 | static int show_version(struct seq_file *m, void *unused) |
| 27 | { | 27 | { |
| 28 | struct super_block *sb = m->private; | ||
| 28 | char *format; | 29 | char *format; |
| 29 | 30 | ||
| 30 | if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6)) { | 31 | if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6)) { |
| @@ -66,8 +67,9 @@ static int show_version(struct seq_file *m, struct super_block *sb) | |||
| 66 | #define DJP( x ) le32_to_cpu( jp -> x ) | 67 | #define DJP( x ) le32_to_cpu( jp -> x ) |
| 67 | #define JF( x ) ( r -> s_journal -> x ) | 68 | #define JF( x ) ( r -> s_journal -> x ) |
| 68 | 69 | ||
| 69 | static int show_super(struct seq_file *m, struct super_block *sb) | 70 | static int show_super(struct seq_file *m, void *unused) |
| 70 | { | 71 | { |
| 72 | struct super_block *sb = m->private; | ||
| 71 | struct reiserfs_sb_info *r = REISERFS_SB(sb); | 73 | struct reiserfs_sb_info *r = REISERFS_SB(sb); |
| 72 | 74 | ||
| 73 | seq_printf(m, "state: \t%s\n" | 75 | seq_printf(m, "state: \t%s\n" |
| @@ -128,8 +130,9 @@ static int show_super(struct seq_file *m, struct super_block *sb) | |||
| 128 | return 0; | 130 | return 0; |
| 129 | } | 131 | } |
| 130 | 132 | ||
| 131 | static int show_per_level(struct seq_file *m, struct super_block *sb) | 133 | static int show_per_level(struct seq_file *m, void *unused) |
| 132 | { | 134 | { |
| 135 | struct super_block *sb = m->private; | ||
| 133 | struct reiserfs_sb_info *r = REISERFS_SB(sb); | 136 | struct reiserfs_sb_info *r = REISERFS_SB(sb); |
| 134 | int level; | 137 | int level; |
| 135 | 138 | ||
| @@ -186,8 +189,9 @@ static int show_per_level(struct seq_file *m, struct super_block *sb) | |||
| 186 | return 0; | 189 | return 0; |
| 187 | } | 190 | } |
| 188 | 191 | ||
| 189 | static int show_bitmap(struct seq_file *m, struct super_block *sb) | 192 | static int show_bitmap(struct seq_file *m, void *unused) |
| 190 | { | 193 | { |
| 194 | struct super_block *sb = m->private; | ||
| 191 | struct reiserfs_sb_info *r = REISERFS_SB(sb); | 195 | struct reiserfs_sb_info *r = REISERFS_SB(sb); |
| 192 | 196 | ||
| 193 | seq_printf(m, "free_block: %lu\n" | 197 | seq_printf(m, "free_block: %lu\n" |
| @@ -218,8 +222,9 @@ static int show_bitmap(struct seq_file *m, struct super_block *sb) | |||
| 218 | return 0; | 222 | return 0; |
| 219 | } | 223 | } |
| 220 | 224 | ||
| 221 | static int show_on_disk_super(struct seq_file *m, struct super_block *sb) | 225 | static int show_on_disk_super(struct seq_file *m, void *unused) |
| 222 | { | 226 | { |
| 227 | struct super_block *sb = m->private; | ||
| 223 | struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); | 228 | struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); |
| 224 | struct reiserfs_super_block *rs = sb_info->s_rs; | 229 | struct reiserfs_super_block *rs = sb_info->s_rs; |
| 225 | int hash_code = DFL(s_hash_function_code); | 230 | int hash_code = DFL(s_hash_function_code); |
| @@ -261,8 +266,9 @@ static int show_on_disk_super(struct seq_file *m, struct super_block *sb) | |||
| 261 | return 0; | 266 | return 0; |
| 262 | } | 267 | } |
| 263 | 268 | ||
| 264 | static int show_oidmap(struct seq_file *m, struct super_block *sb) | 269 | static int show_oidmap(struct seq_file *m, void *unused) |
| 265 | { | 270 | { |
| 271 | struct super_block *sb = m->private; | ||
| 266 | struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); | 272 | struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); |
| 267 | struct reiserfs_super_block *rs = sb_info->s_rs; | 273 | struct reiserfs_super_block *rs = sb_info->s_rs; |
| 268 | unsigned int mapsize = le16_to_cpu(rs->s_v1.s_oid_cursize); | 274 | unsigned int mapsize = le16_to_cpu(rs->s_v1.s_oid_cursize); |
| @@ -291,8 +297,9 @@ static int show_oidmap(struct seq_file *m, struct super_block *sb) | |||
| 291 | return 0; | 297 | return 0; |
| 292 | } | 298 | } |
| 293 | 299 | ||
| 294 | static int show_journal(struct seq_file *m, struct super_block *sb) | 300 | static int show_journal(struct seq_file *m, void *unused) |
| 295 | { | 301 | { |
| 302 | struct super_block *sb = m->private; | ||
| 296 | struct reiserfs_sb_info *r = REISERFS_SB(sb); | 303 | struct reiserfs_sb_info *r = REISERFS_SB(sb); |
| 297 | struct reiserfs_super_block *rs = r->s_rs; | 304 | struct reiserfs_super_block *rs = r->s_rs; |
| 298 | struct journal_params *jp = &rs->s_v1.s_journal; | 305 | struct journal_params *jp = &rs->s_v1.s_journal; |
| @@ -383,92 +390,24 @@ static int show_journal(struct seq_file *m, struct super_block *sb) | |||
| 383 | return 0; | 390 | return 0; |
| 384 | } | 391 | } |
| 385 | 392 | ||
| 386 | /* iterator */ | ||
| 387 | static int test_sb(struct super_block *sb, void *data) | ||
| 388 | { | ||
| 389 | return data == sb; | ||
| 390 | } | ||
| 391 | |||
| 392 | static int set_sb(struct super_block *sb, void *data) | ||
| 393 | { | ||
| 394 | return -ENOENT; | ||
| 395 | } | ||
| 396 | |||
| 397 | struct reiserfs_seq_private { | ||
| 398 | struct super_block *sb; | ||
| 399 | int (*show) (struct seq_file *, struct super_block *); | ||
| 400 | }; | ||
| 401 | |||
| 402 | static void *r_start(struct seq_file *m, loff_t * pos) | ||
| 403 | { | ||
| 404 | struct reiserfs_seq_private *priv = m->private; | ||
| 405 | loff_t l = *pos; | ||
| 406 | |||
| 407 | if (l) | ||
| 408 | return NULL; | ||
| 409 | |||
| 410 | if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, 0, priv->sb))) | ||
| 411 | return NULL; | ||
| 412 | |||
| 413 | up_write(&priv->sb->s_umount); | ||
| 414 | return priv->sb; | ||
| 415 | } | ||
| 416 | |||
| 417 | static void *r_next(struct seq_file *m, void *v, loff_t * pos) | ||
| 418 | { | ||
| 419 | ++*pos; | ||
| 420 | if (v) | ||
| 421 | deactivate_super(v); | ||
| 422 | return NULL; | ||
| 423 | } | ||
| 424 | |||
| 425 | static void r_stop(struct seq_file *m, void *v) | ||
| 426 | { | ||
| 427 | if (v) | ||
| 428 | deactivate_super(v); | ||
| 429 | } | ||
| 430 | |||
| 431 | static int r_show(struct seq_file *m, void *v) | ||
| 432 | { | ||
| 433 | struct reiserfs_seq_private *priv = m->private; | ||
| 434 | return priv->show(m, v); | ||
| 435 | } | ||
| 436 | |||
| 437 | static const struct seq_operations r_ops = { | ||
| 438 | .start = r_start, | ||
| 439 | .next = r_next, | ||
| 440 | .stop = r_stop, | ||
| 441 | .show = r_show, | ||
| 442 | }; | ||
| 443 | |||
| 444 | static int r_open(struct inode *inode, struct file *file) | 393 | static int r_open(struct inode *inode, struct file *file) |
| 445 | { | 394 | { |
| 446 | struct reiserfs_seq_private *priv; | 395 | return single_open(file, PDE_DATA(inode), |
| 447 | int ret = seq_open_private(file, &r_ops, | 396 | proc_get_parent_data(inode)); |
| 448 | sizeof(struct reiserfs_seq_private)); | ||
| 449 | |||
| 450 | if (!ret) { | ||
| 451 | struct seq_file *m = file->private_data; | ||
| 452 | priv = m->private; | ||
| 453 | priv->sb = proc_get_parent_data(inode); | ||
| 454 | priv->show = PDE_DATA(inode); | ||
| 455 | } | ||
| 456 | return ret; | ||
| 457 | } | 397 | } |
| 458 | 398 | ||
| 459 | static const struct file_operations r_file_operations = { | 399 | static const struct file_operations r_file_operations = { |
| 460 | .open = r_open, | 400 | .open = r_open, |
| 461 | .read = seq_read, | 401 | .read = seq_read, |
| 462 | .llseek = seq_lseek, | 402 | .llseek = seq_lseek, |
| 463 | .release = seq_release_private, | 403 | .release = single_release, |
| 464 | .owner = THIS_MODULE, | ||
| 465 | }; | 404 | }; |
| 466 | 405 | ||
| 467 | static struct proc_dir_entry *proc_info_root = NULL; | 406 | static struct proc_dir_entry *proc_info_root = NULL; |
| 468 | static const char proc_info_root_name[] = "fs/reiserfs"; | 407 | static const char proc_info_root_name[] = "fs/reiserfs"; |
| 469 | 408 | ||
| 470 | static void add_file(struct super_block *sb, char *name, | 409 | static void add_file(struct super_block *sb, char *name, |
| 471 | int (*func) (struct seq_file *, struct super_block *)) | 410 | int (*func) (struct seq_file *, void *)) |
| 472 | { | 411 | { |
| 473 | proc_create_data(name, 0, REISERFS_SB(sb)->procdir, | 412 | proc_create_data(name, 0, REISERFS_SB(sb)->procdir, |
| 474 | &r_file_operations, func); | 413 | &r_file_operations, func); |
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index f8a23c3078f8..e2e202a07b31 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c | |||
| @@ -499,6 +499,7 @@ int remove_save_link(struct inode *inode, int truncate) | |||
| 499 | static void reiserfs_kill_sb(struct super_block *s) | 499 | static void reiserfs_kill_sb(struct super_block *s) |
| 500 | { | 500 | { |
| 501 | if (REISERFS_SB(s)) { | 501 | if (REISERFS_SB(s)) { |
| 502 | reiserfs_proc_info_done(s); | ||
| 502 | /* | 503 | /* |
| 503 | * Force any pending inode evictions to occur now. Any | 504 | * Force any pending inode evictions to occur now. Any |
| 504 | * inodes to be removed that have extended attributes | 505 | * inodes to be removed that have extended attributes |
| @@ -554,8 +555,6 @@ static void reiserfs_put_super(struct super_block *s) | |||
| 554 | REISERFS_SB(s)->reserved_blocks); | 555 | REISERFS_SB(s)->reserved_blocks); |
| 555 | } | 556 | } |
| 556 | 557 | ||
| 557 | reiserfs_proc_info_done(s); | ||
| 558 | |||
| 559 | reiserfs_write_unlock(s); | 558 | reiserfs_write_unlock(s); |
| 560 | mutex_destroy(&REISERFS_SB(s)->lock); | 559 | mutex_destroy(&REISERFS_SB(s)->lock); |
| 561 | kfree(s->s_fs_info); | 560 | kfree(s->s_fs_info); |
