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-rw-r--r--fs/btrfs/Makefile19
-rw-r--r--fs/btrfs/acl.c18
-rw-r--r--fs/btrfs/ctree.h6
-rw-r--r--fs/btrfs/disk-io.c93
-rw-r--r--fs/btrfs/extent-tree.c49
-rw-r--r--fs/btrfs/extent_io.c81
-rw-r--r--fs/btrfs/extent_map.c17
-rw-r--r--fs/btrfs/file.c89
-rw-r--r--fs/btrfs/free-space-cache.c15
-rw-r--r--fs/btrfs/inode-map.c2
-rw-r--r--fs/btrfs/inode.c147
-rw-r--r--fs/btrfs/ioctl.c9
-rw-r--r--fs/btrfs/super.c27
-rw-r--r--fs/btrfs/transaction.c6
-rw-r--r--fs/btrfs/tree-log.c2
-rw-r--r--fs/btrfs/volumes.c35
-rw-r--r--fs/btrfs/volumes.h3
17 files changed, 281 insertions, 337 deletions
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index 9adf5e4f7e96..94212844a9bc 100644
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -1,25 +1,10 @@
1ifneq ($(KERNELRELEASE),)
2# kbuild part of makefile
3 1
4obj-$(CONFIG_BTRFS_FS) := btrfs.o 2obj-$(CONFIG_BTRFS_FS) := btrfs.o
5btrfs-y := super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \ 3
4btrfs-y += super.o ctree.o extent-tree.o print-tree.o root-tree.o dir-item.o \
6 file-item.o inode-item.o inode-map.o disk-io.o \ 5 file-item.o inode-item.o inode-map.o disk-io.o \
7 transaction.o inode.o file.o tree-defrag.o \ 6 transaction.o inode.o file.o tree-defrag.o \
8 extent_map.o sysfs.o struct-funcs.o xattr.o ordered-data.o \ 7 extent_map.o sysfs.o struct-funcs.o xattr.o ordered-data.o \
9 extent_io.o volumes.o async-thread.o ioctl.o locking.o orphan.o \ 8 extent_io.o volumes.o async-thread.o ioctl.o locking.o orphan.o \
10 ref-cache.o export.o tree-log.o acl.o free-space-cache.o zlib.o \ 9 ref-cache.o export.o tree-log.o acl.o free-space-cache.o zlib.o \
11 compression.o delayed-ref.o 10 compression.o delayed-ref.o
12else
13
14# Normal Makefile
15
16KERNELDIR := /lib/modules/`uname -r`/build
17all:
18 $(MAKE) -C $(KERNELDIR) M=`pwd` CONFIG_BTRFS_FS=m modules
19
20modules_install:
21 $(MAKE) -C $(KERNELDIR) M=`pwd` modules_install
22clean:
23 $(MAKE) -C $(KERNELDIR) M=`pwd` clean
24
25endif
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 7fdd184a528d..cbba000dccbe 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -60,15 +60,20 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
60 return ERR_PTR(-EINVAL); 60 return ERR_PTR(-EINVAL);
61 } 61 }
62 62
63 /* Handle the cached NULL acl case without locking */
64 acl = ACCESS_ONCE(*p_acl);
65 if (!acl)
66 return acl;
67
63 spin_lock(&inode->i_lock); 68 spin_lock(&inode->i_lock);
64 if (*p_acl != BTRFS_ACL_NOT_CACHED) 69 acl = *p_acl;
65 acl = posix_acl_dup(*p_acl); 70 if (acl != BTRFS_ACL_NOT_CACHED)
71 acl = posix_acl_dup(acl);
66 spin_unlock(&inode->i_lock); 72 spin_unlock(&inode->i_lock);
67 73
68 if (acl) 74 if (acl != BTRFS_ACL_NOT_CACHED)
69 return acl; 75 return acl;
70 76
71
72 size = __btrfs_getxattr(inode, name, "", 0); 77 size = __btrfs_getxattr(inode, name, "", 0);
73 if (size > 0) { 78 if (size > 0) {
74 value = kzalloc(size, GFP_NOFS); 79 value = kzalloc(size, GFP_NOFS);
@@ -80,9 +85,12 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
80 btrfs_update_cached_acl(inode, p_acl, acl); 85 btrfs_update_cached_acl(inode, p_acl, acl);
81 } 86 }
82 kfree(value); 87 kfree(value);
83 } else if (size == -ENOENT) { 88 } else if (size == -ENOENT || size == -ENODATA || size == 0) {
89 /* FIXME, who returns -ENOENT? I think nobody */
84 acl = NULL; 90 acl = NULL;
85 btrfs_update_cached_acl(inode, p_acl, acl); 91 btrfs_update_cached_acl(inode, p_acl, acl);
92 } else {
93 acl = ERR_PTR(-EIO);
86 } 94 }
87 95
88 return acl; 96 return acl;
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index ad96495dedc5..4414a5d9983a 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -881,6 +881,9 @@ struct btrfs_fs_info {
881 u64 metadata_alloc_profile; 881 u64 metadata_alloc_profile;
882 u64 system_alloc_profile; 882 u64 system_alloc_profile;
883 883
884 unsigned data_chunk_allocations;
885 unsigned metadata_ratio;
886
884 void *bdev_holder; 887 void *bdev_holder;
885}; 888};
886 889
@@ -2174,7 +2177,8 @@ int btrfs_check_file(struct btrfs_root *root, struct inode *inode);
2174extern struct file_operations btrfs_file_operations; 2177extern struct file_operations btrfs_file_operations;
2175int btrfs_drop_extents(struct btrfs_trans_handle *trans, 2178int btrfs_drop_extents(struct btrfs_trans_handle *trans,
2176 struct btrfs_root *root, struct inode *inode, 2179 struct btrfs_root *root, struct inode *inode,
2177 u64 start, u64 end, u64 inline_limit, u64 *hint_block); 2180 u64 start, u64 end, u64 locked_end,
2181 u64 inline_limit, u64 *hint_block);
2178int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, 2182int btrfs_mark_extent_written(struct btrfs_trans_handle *trans,
2179 struct btrfs_root *root, 2183 struct btrfs_root *root,
2180 struct inode *inode, u64 start, u64 end); 2184 struct inode *inode, u64 start, u64 end);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index a6b83744b05d..0ff16d3331da 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -232,10 +232,14 @@ static int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf,
232 memcpy(&found, result, csum_size); 232 memcpy(&found, result, csum_size);
233 233
234 read_extent_buffer(buf, &val, 0, csum_size); 234 read_extent_buffer(buf, &val, 0, csum_size);
235 printk(KERN_INFO "btrfs: %s checksum verify failed " 235 if (printk_ratelimit()) {
236 "on %llu wanted %X found %X level %d\n", 236 printk(KERN_INFO "btrfs: %s checksum verify "
237 root->fs_info->sb->s_id, 237 "failed on %llu wanted %X found %X "
238 buf->start, val, found, btrfs_header_level(buf)); 238 "level %d\n",
239 root->fs_info->sb->s_id,
240 (unsigned long long)buf->start, val, found,
241 btrfs_header_level(buf));
242 }
239 if (result != (char *)&inline_result) 243 if (result != (char *)&inline_result)
240 kfree(result); 244 kfree(result);
241 return 1; 245 return 1;
@@ -268,10 +272,13 @@ static int verify_parent_transid(struct extent_io_tree *io_tree,
268 ret = 0; 272 ret = 0;
269 goto out; 273 goto out;
270 } 274 }
271 printk("parent transid verify failed on %llu wanted %llu found %llu\n", 275 if (printk_ratelimit()) {
272 (unsigned long long)eb->start, 276 printk("parent transid verify failed on %llu wanted %llu "
273 (unsigned long long)parent_transid, 277 "found %llu\n",
274 (unsigned long long)btrfs_header_generation(eb)); 278 (unsigned long long)eb->start,
279 (unsigned long long)parent_transid,
280 (unsigned long long)btrfs_header_generation(eb));
281 }
275 ret = 1; 282 ret = 1;
276 clear_extent_buffer_uptodate(io_tree, eb); 283 clear_extent_buffer_uptodate(io_tree, eb);
277out: 284out:
@@ -415,9 +422,12 @@ static int btree_readpage_end_io_hook(struct page *page, u64 start, u64 end,
415 422
416 found_start = btrfs_header_bytenr(eb); 423 found_start = btrfs_header_bytenr(eb);
417 if (found_start != start) { 424 if (found_start != start) {
418 printk(KERN_INFO "btrfs bad tree block start %llu %llu\n", 425 if (printk_ratelimit()) {
419 (unsigned long long)found_start, 426 printk(KERN_INFO "btrfs bad tree block start "
420 (unsigned long long)eb->start); 427 "%llu %llu\n",
428 (unsigned long long)found_start,
429 (unsigned long long)eb->start);
430 }
421 ret = -EIO; 431 ret = -EIO;
422 goto err; 432 goto err;
423 } 433 }
@@ -429,8 +439,10 @@ static int btree_readpage_end_io_hook(struct page *page, u64 start, u64 end,
429 goto err; 439 goto err;
430 } 440 }
431 if (check_tree_block_fsid(root, eb)) { 441 if (check_tree_block_fsid(root, eb)) {
432 printk(KERN_INFO "btrfs bad fsid on block %llu\n", 442 if (printk_ratelimit()) {
433 (unsigned long long)eb->start); 443 printk(KERN_INFO "btrfs bad fsid on block %llu\n",
444 (unsigned long long)eb->start);
445 }
434 ret = -EIO; 446 ret = -EIO;
435 goto err; 447 goto err;
436 } 448 }
@@ -584,18 +596,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
584 btrfs_set_work_high_prio(&async->work); 596 btrfs_set_work_high_prio(&async->work);
585 597
586 btrfs_queue_worker(&fs_info->workers, &async->work); 598 btrfs_queue_worker(&fs_info->workers, &async->work);
587#if 0
588 int limit = btrfs_async_submit_limit(fs_info);
589 if (atomic_read(&fs_info->nr_async_submits) > limit) {
590 wait_event_timeout(fs_info->async_submit_wait,
591 (atomic_read(&fs_info->nr_async_submits) < limit),
592 HZ/10);
593 599
594 wait_event_timeout(fs_info->async_submit_wait,
595 (atomic_read(&fs_info->nr_async_bios) < limit),
596 HZ/10);
597 }
598#endif
599 while (atomic_read(&fs_info->async_submit_draining) && 600 while (atomic_read(&fs_info->async_submit_draining) &&
600 atomic_read(&fs_info->nr_async_submits)) { 601 atomic_read(&fs_info->nr_async_submits)) {
601 wait_event(fs_info->async_submit_wait, 602 wait_event(fs_info->async_submit_wait,
@@ -770,27 +771,6 @@ static void btree_invalidatepage(struct page *page, unsigned long offset)
770 } 771 }
771} 772}
772 773
773#if 0
774static int btree_writepage(struct page *page, struct writeback_control *wbc)
775{
776 struct buffer_head *bh;
777 struct btrfs_root *root = BTRFS_I(page->mapping->host)->root;
778 struct buffer_head *head;
779 if (!page_has_buffers(page)) {
780 create_empty_buffers(page, root->fs_info->sb->s_blocksize,
781 (1 << BH_Dirty)|(1 << BH_Uptodate));
782 }
783 head = page_buffers(page);
784 bh = head;
785 do {
786 if (buffer_dirty(bh))
787 csum_tree_block(root, bh, 0);
788 bh = bh->b_this_page;
789 } while (bh != head);
790 return block_write_full_page(page, btree_get_block, wbc);
791}
792#endif
793
794static struct address_space_operations btree_aops = { 774static struct address_space_operations btree_aops = {
795 .readpage = btree_readpage, 775 .readpage = btree_readpage,
796 .writepage = btree_writepage, 776 .writepage = btree_writepage,
@@ -1278,11 +1258,7 @@ static int btrfs_congested_fn(void *congested_data, int bdi_bits)
1278 int ret = 0; 1258 int ret = 0;
1279 struct btrfs_device *device; 1259 struct btrfs_device *device;
1280 struct backing_dev_info *bdi; 1260 struct backing_dev_info *bdi;
1281#if 0 1261
1282 if ((bdi_bits & (1 << BDI_write_congested)) &&
1283 btrfs_congested_async(info, 0))
1284 return 1;
1285#endif
1286 list_for_each_entry(device, &info->fs_devices->devices, dev_list) { 1262 list_for_each_entry(device, &info->fs_devices->devices, dev_list) {
1287 if (!device->bdev) 1263 if (!device->bdev)
1288 continue; 1264 continue;
@@ -1604,6 +1580,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
1604 fs_info->btree_inode = new_inode(sb); 1580 fs_info->btree_inode = new_inode(sb);
1605 fs_info->btree_inode->i_ino = 1; 1581 fs_info->btree_inode->i_ino = 1;
1606 fs_info->btree_inode->i_nlink = 1; 1582 fs_info->btree_inode->i_nlink = 1;
1583 fs_info->metadata_ratio = 8;
1607 1584
1608 fs_info->thread_pool_size = min_t(unsigned long, 1585 fs_info->thread_pool_size = min_t(unsigned long,
1609 num_online_cpus() + 2, 8); 1586 num_online_cpus() + 2, 8);
@@ -1694,7 +1671,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
1694 if (features) { 1671 if (features) {
1695 printk(KERN_ERR "BTRFS: couldn't mount because of " 1672 printk(KERN_ERR "BTRFS: couldn't mount because of "
1696 "unsupported optional features (%Lx).\n", 1673 "unsupported optional features (%Lx).\n",
1697 features); 1674 (unsigned long long)features);
1698 err = -EINVAL; 1675 err = -EINVAL;
1699 goto fail_iput; 1676 goto fail_iput;
1700 } 1677 }
@@ -1704,7 +1681,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
1704 if (!(sb->s_flags & MS_RDONLY) && features) { 1681 if (!(sb->s_flags & MS_RDONLY) && features) {
1705 printk(KERN_ERR "BTRFS: couldn't mount RDWR because of " 1682 printk(KERN_ERR "BTRFS: couldn't mount RDWR because of "
1706 "unsupported option features (%Lx).\n", 1683 "unsupported option features (%Lx).\n",
1707 features); 1684 (unsigned long long)features);
1708 err = -EINVAL; 1685 err = -EINVAL;
1709 goto fail_iput; 1686 goto fail_iput;
1710 } 1687 }
@@ -2296,7 +2273,7 @@ int close_ctree(struct btrfs_root *root)
2296 2273
2297 if (fs_info->delalloc_bytes) { 2274 if (fs_info->delalloc_bytes) {
2298 printk(KERN_INFO "btrfs: at unmount delalloc count %llu\n", 2275 printk(KERN_INFO "btrfs: at unmount delalloc count %llu\n",
2299 fs_info->delalloc_bytes); 2276 (unsigned long long)fs_info->delalloc_bytes);
2300 } 2277 }
2301 if (fs_info->total_ref_cache_size) { 2278 if (fs_info->total_ref_cache_size) {
2302 printk(KERN_INFO "btrfs: at umount reference cache size %llu\n", 2279 printk(KERN_INFO "btrfs: at umount reference cache size %llu\n",
@@ -2333,16 +2310,6 @@ int close_ctree(struct btrfs_root *root)
2333 btrfs_stop_workers(&fs_info->endio_write_workers); 2310 btrfs_stop_workers(&fs_info->endio_write_workers);
2334 btrfs_stop_workers(&fs_info->submit_workers); 2311 btrfs_stop_workers(&fs_info->submit_workers);
2335 2312
2336#if 0
2337 while (!list_empty(&fs_info->hashers)) {
2338 struct btrfs_hasher *hasher;
2339 hasher = list_entry(fs_info->hashers.next, struct btrfs_hasher,
2340 hashers);
2341 list_del(&hasher->hashers);
2342 crypto_free_hash(&fs_info->hash_tfm);
2343 kfree(hasher);
2344 }
2345#endif
2346 btrfs_close_devices(fs_info->fs_devices); 2313 btrfs_close_devices(fs_info->fs_devices);
2347 btrfs_mapping_tree_free(&fs_info->mapping_tree); 2314 btrfs_mapping_tree_free(&fs_info->mapping_tree);
2348 2315
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 178df4c67de4..e4966444811b 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1844,10 +1844,14 @@ again:
1844 printk(KERN_ERR "no space left, need %llu, %llu delalloc bytes" 1844 printk(KERN_ERR "no space left, need %llu, %llu delalloc bytes"
1845 ", %llu bytes_used, %llu bytes_reserved, " 1845 ", %llu bytes_used, %llu bytes_reserved, "
1846 "%llu bytes_pinned, %llu bytes_readonly, %llu may use" 1846 "%llu bytes_pinned, %llu bytes_readonly, %llu may use"
1847 "%llu total\n", bytes, data_sinfo->bytes_delalloc, 1847 "%llu total\n", (unsigned long long)bytes,
1848 data_sinfo->bytes_used, data_sinfo->bytes_reserved, 1848 (unsigned long long)data_sinfo->bytes_delalloc,
1849 data_sinfo->bytes_pinned, data_sinfo->bytes_readonly, 1849 (unsigned long long)data_sinfo->bytes_used,
1850 data_sinfo->bytes_may_use, data_sinfo->total_bytes); 1850 (unsigned long long)data_sinfo->bytes_reserved,
1851 (unsigned long long)data_sinfo->bytes_pinned,
1852 (unsigned long long)data_sinfo->bytes_readonly,
1853 (unsigned long long)data_sinfo->bytes_may_use,
1854 (unsigned long long)data_sinfo->total_bytes);
1851 return -ENOSPC; 1855 return -ENOSPC;
1852 } 1856 }
1853 data_sinfo->bytes_may_use += bytes; 1857 data_sinfo->bytes_may_use += bytes;
@@ -1918,15 +1922,29 @@ void btrfs_delalloc_free_space(struct btrfs_root *root, struct inode *inode,
1918 spin_unlock(&info->lock); 1922 spin_unlock(&info->lock);
1919} 1923}
1920 1924
1925static void force_metadata_allocation(struct btrfs_fs_info *info)
1926{
1927 struct list_head *head = &info->space_info;
1928 struct btrfs_space_info *found;
1929
1930 rcu_read_lock();
1931 list_for_each_entry_rcu(found, head, list) {
1932 if (found->flags & BTRFS_BLOCK_GROUP_METADATA)
1933 found->force_alloc = 1;
1934 }
1935 rcu_read_unlock();
1936}
1937
1921static int do_chunk_alloc(struct btrfs_trans_handle *trans, 1938static int do_chunk_alloc(struct btrfs_trans_handle *trans,
1922 struct btrfs_root *extent_root, u64 alloc_bytes, 1939 struct btrfs_root *extent_root, u64 alloc_bytes,
1923 u64 flags, int force) 1940 u64 flags, int force)
1924{ 1941{
1925 struct btrfs_space_info *space_info; 1942 struct btrfs_space_info *space_info;
1943 struct btrfs_fs_info *fs_info = extent_root->fs_info;
1926 u64 thresh; 1944 u64 thresh;
1927 int ret = 0; 1945 int ret = 0;
1928 1946
1929 mutex_lock(&extent_root->fs_info->chunk_mutex); 1947 mutex_lock(&fs_info->chunk_mutex);
1930 1948
1931 flags = btrfs_reduce_alloc_profile(extent_root, flags); 1949 flags = btrfs_reduce_alloc_profile(extent_root, flags);
1932 1950
@@ -1958,6 +1976,18 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans,
1958 } 1976 }
1959 spin_unlock(&space_info->lock); 1977 spin_unlock(&space_info->lock);
1960 1978
1979 /*
1980 * if we're doing a data chunk, go ahead and make sure that
1981 * we keep a reasonable number of metadata chunks allocated in the
1982 * FS as well.
1983 */
1984 if (flags & BTRFS_BLOCK_GROUP_DATA) {
1985 fs_info->data_chunk_allocations++;
1986 if (!(fs_info->data_chunk_allocations %
1987 fs_info->metadata_ratio))
1988 force_metadata_allocation(fs_info);
1989 }
1990
1961 ret = btrfs_alloc_chunk(trans, extent_root, flags); 1991 ret = btrfs_alloc_chunk(trans, extent_root, flags);
1962 if (ret) 1992 if (ret)
1963 space_info->full = 1; 1993 space_info->full = 1;
@@ -2798,9 +2828,12 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes)
2798 info->bytes_pinned - info->bytes_reserved), 2828 info->bytes_pinned - info->bytes_reserved),
2799 (info->full) ? "" : "not "); 2829 (info->full) ? "" : "not ");
2800 printk(KERN_INFO "space_info total=%llu, pinned=%llu, delalloc=%llu," 2830 printk(KERN_INFO "space_info total=%llu, pinned=%llu, delalloc=%llu,"
2801 " may_use=%llu, used=%llu\n", info->total_bytes, 2831 " may_use=%llu, used=%llu\n",
2802 info->bytes_pinned, info->bytes_delalloc, info->bytes_may_use, 2832 (unsigned long long)info->total_bytes,
2803 info->bytes_used); 2833 (unsigned long long)info->bytes_pinned,
2834 (unsigned long long)info->bytes_delalloc,
2835 (unsigned long long)info->bytes_may_use,
2836 (unsigned long long)info->bytes_used);
2804 2837
2805 down_read(&info->groups_sem); 2838 down_read(&info->groups_sem);
2806 list_for_each_entry(cache, &info->block_groups, list) { 2839 list_for_each_entry(cache, &info->block_groups, list) {
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 05a1c42e25bf..fe9eb990e443 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -17,12 +17,6 @@
17#include "ctree.h" 17#include "ctree.h"
18#include "btrfs_inode.h" 18#include "btrfs_inode.h"
19 19
20/* temporary define until extent_map moves out of btrfs */
21struct kmem_cache *btrfs_cache_create(const char *name, size_t size,
22 unsigned long extra_flags,
23 void (*ctor)(void *, struct kmem_cache *,
24 unsigned long));
25
26static struct kmem_cache *extent_state_cache; 20static struct kmem_cache *extent_state_cache;
27static struct kmem_cache *extent_buffer_cache; 21static struct kmem_cache *extent_buffer_cache;
28 22
@@ -58,15 +52,15 @@ struct extent_page_data {
58 52
59int __init extent_io_init(void) 53int __init extent_io_init(void)
60{ 54{
61 extent_state_cache = btrfs_cache_create("extent_state", 55 extent_state_cache = kmem_cache_create("extent_state",
62 sizeof(struct extent_state), 0, 56 sizeof(struct extent_state), 0,
63 NULL); 57 SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
64 if (!extent_state_cache) 58 if (!extent_state_cache)
65 return -ENOMEM; 59 return -ENOMEM;
66 60
67 extent_buffer_cache = btrfs_cache_create("extent_buffers", 61 extent_buffer_cache = kmem_cache_create("extent_buffers",
68 sizeof(struct extent_buffer), 0, 62 sizeof(struct extent_buffer), 0,
69 NULL); 63 SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
70 if (!extent_buffer_cache) 64 if (!extent_buffer_cache)
71 goto free_state_cache; 65 goto free_state_cache;
72 return 0; 66 return 0;
@@ -1407,69 +1401,6 @@ out:
1407 return total_bytes; 1401 return total_bytes;
1408} 1402}
1409 1403
1410#if 0
1411/*
1412 * helper function to lock both pages and extents in the tree.
1413 * pages must be locked first.
1414 */
1415static int lock_range(struct extent_io_tree *tree, u64 start, u64 end)
1416{
1417 unsigned long index = start >> PAGE_CACHE_SHIFT;
1418 unsigned long end_index = end >> PAGE_CACHE_SHIFT;
1419 struct page *page;
1420 int err;
1421
1422 while (index <= end_index) {
1423 page = grab_cache_page(tree->mapping, index);
1424 if (!page) {
1425 err = -ENOMEM;
1426 goto failed;
1427 }
1428 if (IS_ERR(page)) {
1429 err = PTR_ERR(page);
1430 goto failed;
1431 }
1432 index++;
1433 }
1434 lock_extent(tree, start, end, GFP_NOFS);
1435 return 0;
1436
1437failed:
1438 /*
1439 * we failed above in getting the page at 'index', so we undo here
1440 * up to but not including the page at 'index'
1441 */
1442 end_index = index;
1443 index = start >> PAGE_CACHE_SHIFT;
1444 while (index < end_index) {
1445 page = find_get_page(tree->mapping, index);
1446 unlock_page(page);
1447 page_cache_release(page);
1448 index++;
1449 }
1450 return err;
1451}
1452
1453/*
1454 * helper function to unlock both pages and extents in the tree.
1455 */
1456static int unlock_range(struct extent_io_tree *tree, u64 start, u64 end)
1457{
1458 unsigned long index = start >> PAGE_CACHE_SHIFT;
1459 unsigned long end_index = end >> PAGE_CACHE_SHIFT;
1460 struct page *page;
1461
1462 while (index <= end_index) {
1463 page = find_get_page(tree->mapping, index);
1464 unlock_page(page);
1465 page_cache_release(page);
1466 index++;
1467 }
1468 unlock_extent(tree, start, end, GFP_NOFS);
1469 return 0;
1470}
1471#endif
1472
1473/* 1404/*
1474 * set the private field for a given byte offset in the tree. If there isn't 1405 * set the private field for a given byte offset in the tree. If there isn't
1475 * an extent_state there already, this does nothing. 1406 * an extent_state there already, this does nothing.
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index b187917b36fa..30c9365861e6 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -6,19 +6,14 @@
6#include <linux/hardirq.h> 6#include <linux/hardirq.h>
7#include "extent_map.h" 7#include "extent_map.h"
8 8
9/* temporary define until extent_map moves out of btrfs */
10struct kmem_cache *btrfs_cache_create(const char *name, size_t size,
11 unsigned long extra_flags,
12 void (*ctor)(void *, struct kmem_cache *,
13 unsigned long));
14 9
15static struct kmem_cache *extent_map_cache; 10static struct kmem_cache *extent_map_cache;
16 11
17int __init extent_map_init(void) 12int __init extent_map_init(void)
18{ 13{
19 extent_map_cache = btrfs_cache_create("extent_map", 14 extent_map_cache = kmem_cache_create("extent_map",
20 sizeof(struct extent_map), 0, 15 sizeof(struct extent_map), 0,
21 NULL); 16 SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
22 if (!extent_map_cache) 17 if (!extent_map_cache)
23 return -ENOMEM; 18 return -ENOMEM;
24 return 0; 19 return 0;
@@ -43,7 +38,6 @@ void extent_map_tree_init(struct extent_map_tree *tree, gfp_t mask)
43 tree->map.rb_node = NULL; 38 tree->map.rb_node = NULL;
44 spin_lock_init(&tree->lock); 39 spin_lock_init(&tree->lock);
45} 40}
46EXPORT_SYMBOL(extent_map_tree_init);
47 41
48/** 42/**
49 * alloc_extent_map - allocate new extent map structure 43 * alloc_extent_map - allocate new extent map structure
@@ -64,7 +58,6 @@ struct extent_map *alloc_extent_map(gfp_t mask)
64 atomic_set(&em->refs, 1); 58 atomic_set(&em->refs, 1);
65 return em; 59 return em;
66} 60}
67EXPORT_SYMBOL(alloc_extent_map);
68 61
69/** 62/**
70 * free_extent_map - drop reference count of an extent_map 63 * free_extent_map - drop reference count of an extent_map
@@ -83,7 +76,6 @@ void free_extent_map(struct extent_map *em)
83 kmem_cache_free(extent_map_cache, em); 76 kmem_cache_free(extent_map_cache, em);
84 } 77 }
85} 78}
86EXPORT_SYMBOL(free_extent_map);
87 79
88static struct rb_node *tree_insert(struct rb_root *root, u64 offset, 80static struct rb_node *tree_insert(struct rb_root *root, u64 offset,
89 struct rb_node *node) 81 struct rb_node *node)
@@ -264,7 +256,6 @@ int add_extent_mapping(struct extent_map_tree *tree,
264out: 256out:
265 return ret; 257 return ret;
266} 258}
267EXPORT_SYMBOL(add_extent_mapping);
268 259
269/* simple helper to do math around the end of an extent, handling wrap */ 260/* simple helper to do math around the end of an extent, handling wrap */
270static u64 range_end(u64 start, u64 len) 261static u64 range_end(u64 start, u64 len)
@@ -326,7 +317,6 @@ found:
326out: 317out:
327 return em; 318 return em;
328} 319}
329EXPORT_SYMBOL(lookup_extent_mapping);
330 320
331/** 321/**
332 * remove_extent_mapping - removes an extent_map from the extent tree 322 * remove_extent_mapping - removes an extent_map from the extent tree
@@ -346,4 +336,3 @@ int remove_extent_mapping(struct extent_map_tree *tree, struct extent_map *em)
346 em->in_tree = 0; 336 em->in_tree = 0;
347 return ret; 337 return ret;
348} 338}
349EXPORT_SYMBOL(remove_extent_mapping);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 482f8db2cfd0..1d51dc38bb49 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -272,83 +272,6 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end,
272 return 0; 272 return 0;
273} 273}
274 274
275int btrfs_check_file(struct btrfs_root *root, struct inode *inode)
276{
277 return 0;
278#if 0
279 struct btrfs_path *path;
280 struct btrfs_key found_key;
281 struct extent_buffer *leaf;
282 struct btrfs_file_extent_item *extent;
283 u64 last_offset = 0;
284 int nritems;
285 int slot;
286 int found_type;
287 int ret;
288 int err = 0;
289 u64 extent_end = 0;
290
291 path = btrfs_alloc_path();
292 ret = btrfs_lookup_file_extent(NULL, root, path, inode->i_ino,
293 last_offset, 0);
294 while (1) {
295 nritems = btrfs_header_nritems(path->nodes[0]);
296 if (path->slots[0] >= nritems) {
297 ret = btrfs_next_leaf(root, path);
298 if (ret)
299 goto out;
300 nritems = btrfs_header_nritems(path->nodes[0]);
301 }
302 slot = path->slots[0];
303 leaf = path->nodes[0];
304 btrfs_item_key_to_cpu(leaf, &found_key, slot);
305 if (found_key.objectid != inode->i_ino)
306 break;
307 if (found_key.type != BTRFS_EXTENT_DATA_KEY)
308 goto out;
309
310 if (found_key.offset < last_offset) {
311 WARN_ON(1);
312 btrfs_print_leaf(root, leaf);
313 printk(KERN_ERR "inode %lu found offset %llu "
314 "expected %llu\n", inode->i_ino,
315 (unsigned long long)found_key.offset,
316 (unsigned long long)last_offset);
317 err = 1;
318 goto out;
319 }
320 extent = btrfs_item_ptr(leaf, slot,
321 struct btrfs_file_extent_item);
322 found_type = btrfs_file_extent_type(leaf, extent);
323 if (found_type == BTRFS_FILE_EXTENT_REG) {
324 extent_end = found_key.offset +
325 btrfs_file_extent_num_bytes(leaf, extent);
326 } else if (found_type == BTRFS_FILE_EXTENT_INLINE) {
327 struct btrfs_item *item;
328 item = btrfs_item_nr(leaf, slot);
329 extent_end = found_key.offset +
330 btrfs_file_extent_inline_len(leaf, extent);
331 extent_end = (extent_end + root->sectorsize - 1) &
332 ~((u64)root->sectorsize - 1);
333 }
334 last_offset = extent_end;
335 path->slots[0]++;
336 }
337 if (0 && last_offset < inode->i_size) {
338 WARN_ON(1);
339 btrfs_print_leaf(root, leaf);
340 printk(KERN_ERR "inode %lu found offset %llu size %llu\n",
341 inode->i_ino, (unsigned long long)last_offset,
342 (unsigned long long)inode->i_size);
343 err = 1;
344
345 }
346out:
347 btrfs_free_path(path);
348 return err;
349#endif
350}
351
352/* 275/*
353 * this is very complex, but the basic idea is to drop all extents 276 * this is very complex, but the basic idea is to drop all extents
354 * in the range start - end. hint_block is filled in with a block number 277 * in the range start - end. hint_block is filled in with a block number
@@ -363,15 +286,16 @@ out:
363 */ 286 */
364noinline int btrfs_drop_extents(struct btrfs_trans_handle *trans, 287noinline int btrfs_drop_extents(struct btrfs_trans_handle *trans,
365 struct btrfs_root *root, struct inode *inode, 288 struct btrfs_root *root, struct inode *inode,
366 u64 start, u64 end, u64 inline_limit, u64 *hint_byte) 289 u64 start, u64 end, u64 locked_end,
290 u64 inline_limit, u64 *hint_byte)
367{ 291{
368 u64 extent_end = 0; 292 u64 extent_end = 0;
369 u64 locked_end = end;
370 u64 search_start = start; 293 u64 search_start = start;
371 u64 leaf_start; 294 u64 leaf_start;
372 u64 ram_bytes = 0; 295 u64 ram_bytes = 0;
373 u64 orig_parent = 0; 296 u64 orig_parent = 0;
374 u64 disk_bytenr = 0; 297 u64 disk_bytenr = 0;
298 u64 orig_locked_end = locked_end;
375 u8 compression; 299 u8 compression;
376 u8 encryption; 300 u8 encryption;
377 u16 other_encoding = 0; 301 u16 other_encoding = 0;
@@ -684,11 +608,10 @@ next_slot:
684 } 608 }
685out: 609out:
686 btrfs_free_path(path); 610 btrfs_free_path(path);
687 if (locked_end > end) { 611 if (locked_end > orig_locked_end) {
688 unlock_extent(&BTRFS_I(inode)->io_tree, end, locked_end - 1, 612 unlock_extent(&BTRFS_I(inode)->io_tree, orig_locked_end,
689 GFP_NOFS); 613 locked_end - 1, GFP_NOFS);
690 } 614 }
691 btrfs_check_file(root, inode);
692 return ret; 615 return ret;
693} 616}
694 617
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 768b9523662d..0bc93657b460 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -332,13 +332,17 @@ int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group,
332 printk(KERN_ERR "couldn't find space %llu to free\n", 332 printk(KERN_ERR "couldn't find space %llu to free\n",
333 (unsigned long long)offset); 333 (unsigned long long)offset);
334 printk(KERN_ERR "cached is %d, offset %llu bytes %llu\n", 334 printk(KERN_ERR "cached is %d, offset %llu bytes %llu\n",
335 block_group->cached, block_group->key.objectid, 335 block_group->cached,
336 block_group->key.offset); 336 (unsigned long long)block_group->key.objectid,
337 (unsigned long long)block_group->key.offset);
337 btrfs_dump_free_space(block_group, bytes); 338 btrfs_dump_free_space(block_group, bytes);
338 } else if (info) { 339 } else if (info) {
339 printk(KERN_ERR "hmm, found offset=%llu bytes=%llu, " 340 printk(KERN_ERR "hmm, found offset=%llu bytes=%llu, "
340 "but wanted offset=%llu bytes=%llu\n", 341 "but wanted offset=%llu bytes=%llu\n",
341 info->offset, info->bytes, offset, bytes); 342 (unsigned long long)info->offset,
343 (unsigned long long)info->bytes,
344 (unsigned long long)offset,
345 (unsigned long long)bytes);
342 } 346 }
343 WARN_ON(1); 347 WARN_ON(1);
344 } 348 }
@@ -357,8 +361,9 @@ void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
357 info = rb_entry(n, struct btrfs_free_space, offset_index); 361 info = rb_entry(n, struct btrfs_free_space, offset_index);
358 if (info->bytes >= bytes) 362 if (info->bytes >= bytes)
359 count++; 363 count++;
360 printk(KERN_ERR "entry offset %llu, bytes %llu\n", info->offset, 364 printk(KERN_ERR "entry offset %llu, bytes %llu\n",
361 info->bytes); 365 (unsigned long long)info->offset,
366 (unsigned long long)info->bytes);
362 } 367 }
363 printk(KERN_INFO "%d blocks of free space at or bigger than bytes is" 368 printk(KERN_INFO "%d blocks of free space at or bigger than bytes is"
364 "\n", count); 369 "\n", count);
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index cc7334d833c9..9abbced1123d 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -79,7 +79,7 @@ int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
79 } 79 }
80 path = btrfs_alloc_path(); 80 path = btrfs_alloc_path();
81 BUG_ON(!path); 81 BUG_ON(!path);
82 search_start = max(search_start, BTRFS_FIRST_FREE_OBJECTID); 82 search_start = max(search_start, (u64)BTRFS_FIRST_FREE_OBJECTID);
83 search_key.objectid = search_start; 83 search_key.objectid = search_start;
84 search_key.type = 0; 84 search_key.type = 0;
85 search_key.offset = 0; 85 search_key.offset = 0;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 65219f6a16a1..90c23eb28829 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -70,7 +70,6 @@ static struct extent_io_ops btrfs_extent_io_ops;
70static struct kmem_cache *btrfs_inode_cachep; 70static struct kmem_cache *btrfs_inode_cachep;
71struct kmem_cache *btrfs_trans_handle_cachep; 71struct kmem_cache *btrfs_trans_handle_cachep;
72struct kmem_cache *btrfs_transaction_cachep; 72struct kmem_cache *btrfs_transaction_cachep;
73struct kmem_cache *btrfs_bit_radix_cachep;
74struct kmem_cache *btrfs_path_cachep; 73struct kmem_cache *btrfs_path_cachep;
75 74
76#define S_SHIFT 12 75#define S_SHIFT 12
@@ -234,7 +233,7 @@ static noinline int cow_file_range_inline(struct btrfs_trans_handle *trans,
234 } 233 }
235 234
236 ret = btrfs_drop_extents(trans, root, inode, start, 235 ret = btrfs_drop_extents(trans, root, inode, start,
237 aligned_end, start, &hint_byte); 236 aligned_end, aligned_end, start, &hint_byte);
238 BUG_ON(ret); 237 BUG_ON(ret);
239 238
240 if (isize > actual_end) 239 if (isize > actual_end)
@@ -1439,6 +1438,7 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans,
1439 struct inode *inode, u64 file_pos, 1438 struct inode *inode, u64 file_pos,
1440 u64 disk_bytenr, u64 disk_num_bytes, 1439 u64 disk_bytenr, u64 disk_num_bytes,
1441 u64 num_bytes, u64 ram_bytes, 1440 u64 num_bytes, u64 ram_bytes,
1441 u64 locked_end,
1442 u8 compression, u8 encryption, 1442 u8 compression, u8 encryption,
1443 u16 other_encoding, int extent_type) 1443 u16 other_encoding, int extent_type)
1444{ 1444{
@@ -1455,7 +1455,8 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans,
1455 1455
1456 path->leave_spinning = 1; 1456 path->leave_spinning = 1;
1457 ret = btrfs_drop_extents(trans, root, inode, file_pos, 1457 ret = btrfs_drop_extents(trans, root, inode, file_pos,
1458 file_pos + num_bytes, file_pos, &hint); 1458 file_pos + num_bytes, locked_end,
1459 file_pos, &hint);
1459 BUG_ON(ret); 1460 BUG_ON(ret);
1460 1461
1461 ins.objectid = inode->i_ino; 1462 ins.objectid = inode->i_ino;
@@ -1590,6 +1591,8 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
1590 ordered_extent->disk_len, 1591 ordered_extent->disk_len,
1591 ordered_extent->len, 1592 ordered_extent->len,
1592 ordered_extent->len, 1593 ordered_extent->len,
1594 ordered_extent->file_offset +
1595 ordered_extent->len,
1593 compressed, 0, 0, 1596 compressed, 0, 0,
1594 BTRFS_FILE_EXTENT_REG); 1597 BTRFS_FILE_EXTENT_REG);
1595 BUG_ON(ret); 1598 BUG_ON(ret);
@@ -1819,10 +1822,12 @@ good:
1819 return 0; 1822 return 0;
1820 1823
1821zeroit: 1824zeroit:
1822 printk(KERN_INFO "btrfs csum failed ino %lu off %llu csum %u " 1825 if (printk_ratelimit()) {
1823 "private %llu\n", page->mapping->host->i_ino, 1826 printk(KERN_INFO "btrfs csum failed ino %lu off %llu csum %u "
1824 (unsigned long long)start, csum, 1827 "private %llu\n", page->mapping->host->i_ino,
1825 (unsigned long long)private); 1828 (unsigned long long)start, csum,
1829 (unsigned long long)private);
1830 }
1826 memset(kaddr + offset, 1, end - start + 1); 1831 memset(kaddr + offset, 1, end - start + 1);
1827 flush_dcache_page(page); 1832 flush_dcache_page(page);
1828 kunmap_atomic(kaddr, KM_USER0); 1833 kunmap_atomic(kaddr, KM_USER0);
@@ -2011,6 +2016,57 @@ void btrfs_orphan_cleanup(struct btrfs_root *root)
2011} 2016}
2012 2017
2013/* 2018/*
2019 * very simple check to peek ahead in the leaf looking for xattrs. If we
2020 * don't find any xattrs, we know there can't be any acls.
2021 *
2022 * slot is the slot the inode is in, objectid is the objectid of the inode
2023 */
2024static noinline int acls_after_inode_item(struct extent_buffer *leaf,
2025 int slot, u64 objectid)
2026{
2027 u32 nritems = btrfs_header_nritems(leaf);
2028 struct btrfs_key found_key;
2029 int scanned = 0;
2030
2031 slot++;
2032 while (slot < nritems) {
2033 btrfs_item_key_to_cpu(leaf, &found_key, slot);
2034
2035 /* we found a different objectid, there must not be acls */
2036 if (found_key.objectid != objectid)
2037 return 0;
2038
2039 /* we found an xattr, assume we've got an acl */
2040 if (found_key.type == BTRFS_XATTR_ITEM_KEY)
2041 return 1;
2042
2043 /*
2044 * we found a key greater than an xattr key, there can't
2045 * be any acls later on
2046 */
2047 if (found_key.type > BTRFS_XATTR_ITEM_KEY)
2048 return 0;
2049
2050 slot++;
2051 scanned++;
2052
2053 /*
2054 * it goes inode, inode backrefs, xattrs, extents,
2055 * so if there are a ton of hard links to an inode there can
2056 * be a lot of backrefs. Don't waste time searching too hard,
2057 * this is just an optimization
2058 */
2059 if (scanned >= 8)
2060 break;
2061 }
2062 /* we hit the end of the leaf before we found an xattr or
2063 * something larger than an xattr. We have to assume the inode
2064 * has acls
2065 */
2066 return 1;
2067}
2068
2069/*
2014 * read an inode from the btree into the in-memory inode 2070 * read an inode from the btree into the in-memory inode
2015 */ 2071 */
2016void btrfs_read_locked_inode(struct inode *inode) 2072void btrfs_read_locked_inode(struct inode *inode)
@@ -2021,6 +2077,7 @@ void btrfs_read_locked_inode(struct inode *inode)
2021 struct btrfs_timespec *tspec; 2077 struct btrfs_timespec *tspec;
2022 struct btrfs_root *root = BTRFS_I(inode)->root; 2078 struct btrfs_root *root = BTRFS_I(inode)->root;
2023 struct btrfs_key location; 2079 struct btrfs_key location;
2080 int maybe_acls;
2024 u64 alloc_group_block; 2081 u64 alloc_group_block;
2025 u32 rdev; 2082 u32 rdev;
2026 int ret; 2083 int ret;
@@ -2067,6 +2124,16 @@ void btrfs_read_locked_inode(struct inode *inode)
2067 2124
2068 alloc_group_block = btrfs_inode_block_group(leaf, inode_item); 2125 alloc_group_block = btrfs_inode_block_group(leaf, inode_item);
2069 2126
2127 /*
2128 * try to precache a NULL acl entry for files that don't have
2129 * any xattrs or acls
2130 */
2131 maybe_acls = acls_after_inode_item(leaf, path->slots[0], inode->i_ino);
2132 if (!maybe_acls) {
2133 BTRFS_I(inode)->i_acl = NULL;
2134 BTRFS_I(inode)->i_default_acl = NULL;
2135 }
2136
2070 BTRFS_I(inode)->block_group = btrfs_find_block_group(root, 0, 2137 BTRFS_I(inode)->block_group = btrfs_find_block_group(root, 0,
2071 alloc_group_block, 0); 2138 alloc_group_block, 0);
2072 btrfs_free_path(path); 2139 btrfs_free_path(path);
@@ -2877,6 +2944,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t size)
2877 err = btrfs_drop_extents(trans, root, inode, 2944 err = btrfs_drop_extents(trans, root, inode,
2878 cur_offset, 2945 cur_offset,
2879 cur_offset + hole_size, 2946 cur_offset + hole_size,
2947 block_end,
2880 cur_offset, &hint_byte); 2948 cur_offset, &hint_byte);
2881 if (err) 2949 if (err)
2882 break; 2950 break;
@@ -3041,8 +3109,8 @@ static noinline void init_btrfs_i(struct inode *inode)
3041{ 3109{
3042 struct btrfs_inode *bi = BTRFS_I(inode); 3110 struct btrfs_inode *bi = BTRFS_I(inode);
3043 3111
3044 bi->i_acl = NULL; 3112 bi->i_acl = BTRFS_ACL_NOT_CACHED;
3045 bi->i_default_acl = NULL; 3113 bi->i_default_acl = BTRFS_ACL_NOT_CACHED;
3046 3114
3047 bi->generation = 0; 3115 bi->generation = 0;
3048 bi->sequence = 0; 3116 bi->sequence = 0;
@@ -4634,47 +4702,36 @@ void btrfs_destroy_cachep(void)
4634 kmem_cache_destroy(btrfs_trans_handle_cachep); 4702 kmem_cache_destroy(btrfs_trans_handle_cachep);
4635 if (btrfs_transaction_cachep) 4703 if (btrfs_transaction_cachep)
4636 kmem_cache_destroy(btrfs_transaction_cachep); 4704 kmem_cache_destroy(btrfs_transaction_cachep);
4637 if (btrfs_bit_radix_cachep)
4638 kmem_cache_destroy(btrfs_bit_radix_cachep);
4639 if (btrfs_path_cachep) 4705 if (btrfs_path_cachep)
4640 kmem_cache_destroy(btrfs_path_cachep); 4706 kmem_cache_destroy(btrfs_path_cachep);
4641} 4707}
4642 4708
4643struct kmem_cache *btrfs_cache_create(const char *name, size_t size,
4644 unsigned long extra_flags,
4645 void (*ctor)(void *))
4646{
4647 return kmem_cache_create(name, size, 0, (SLAB_RECLAIM_ACCOUNT |
4648 SLAB_MEM_SPREAD | extra_flags), ctor);
4649}
4650
4651int btrfs_init_cachep(void) 4709int btrfs_init_cachep(void)
4652{ 4710{
4653 btrfs_inode_cachep = btrfs_cache_create("btrfs_inode_cache", 4711 btrfs_inode_cachep = kmem_cache_create("btrfs_inode_cache",
4654 sizeof(struct btrfs_inode), 4712 sizeof(struct btrfs_inode), 0,
4655 0, init_once); 4713 SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, init_once);
4656 if (!btrfs_inode_cachep) 4714 if (!btrfs_inode_cachep)
4657 goto fail; 4715 goto fail;
4658 btrfs_trans_handle_cachep = 4716
4659 btrfs_cache_create("btrfs_trans_handle_cache", 4717 btrfs_trans_handle_cachep = kmem_cache_create("btrfs_trans_handle_cache",
4660 sizeof(struct btrfs_trans_handle), 4718 sizeof(struct btrfs_trans_handle), 0,
4661 0, NULL); 4719 SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
4662 if (!btrfs_trans_handle_cachep) 4720 if (!btrfs_trans_handle_cachep)
4663 goto fail; 4721 goto fail;
4664 btrfs_transaction_cachep = btrfs_cache_create("btrfs_transaction_cache", 4722
4665 sizeof(struct btrfs_transaction), 4723 btrfs_transaction_cachep = kmem_cache_create("btrfs_transaction_cache",
4666 0, NULL); 4724 sizeof(struct btrfs_transaction), 0,
4725 SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
4667 if (!btrfs_transaction_cachep) 4726 if (!btrfs_transaction_cachep)
4668 goto fail; 4727 goto fail;
4669 btrfs_path_cachep = btrfs_cache_create("btrfs_path_cache", 4728
4670 sizeof(struct btrfs_path), 4729 btrfs_path_cachep = kmem_cache_create("btrfs_path_cache",
4671 0, NULL); 4730 sizeof(struct btrfs_path), 0,
4731 SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD, NULL);
4672 if (!btrfs_path_cachep) 4732 if (!btrfs_path_cachep)
4673 goto fail; 4733 goto fail;
4674 btrfs_bit_radix_cachep = btrfs_cache_create("btrfs_radix", 256, 4734
4675 SLAB_DESTROY_BY_RCU, NULL);
4676 if (!btrfs_bit_radix_cachep)
4677 goto fail;
4678 return 0; 4735 return 0;
4679fail: 4736fail:
4680 btrfs_destroy_cachep(); 4737 btrfs_destroy_cachep();
@@ -4972,7 +5029,7 @@ out_fail:
4972 5029
4973static int prealloc_file_range(struct btrfs_trans_handle *trans, 5030static int prealloc_file_range(struct btrfs_trans_handle *trans,
4974 struct inode *inode, u64 start, u64 end, 5031 struct inode *inode, u64 start, u64 end,
4975 u64 alloc_hint, int mode) 5032 u64 locked_end, u64 alloc_hint, int mode)
4976{ 5033{
4977 struct btrfs_root *root = BTRFS_I(inode)->root; 5034 struct btrfs_root *root = BTRFS_I(inode)->root;
4978 struct btrfs_key ins; 5035 struct btrfs_key ins;
@@ -4993,7 +5050,8 @@ static int prealloc_file_range(struct btrfs_trans_handle *trans,
4993 ret = insert_reserved_file_extent(trans, inode, 5050 ret = insert_reserved_file_extent(trans, inode,
4994 cur_offset, ins.objectid, 5051 cur_offset, ins.objectid,
4995 ins.offset, ins.offset, 5052 ins.offset, ins.offset,
4996 ins.offset, 0, 0, 0, 5053 ins.offset, locked_end,
5054 0, 0, 0,
4997 BTRFS_FILE_EXTENT_PREALLOC); 5055 BTRFS_FILE_EXTENT_PREALLOC);
4998 BUG_ON(ret); 5056 BUG_ON(ret);
4999 num_bytes -= ins.offset; 5057 num_bytes -= ins.offset;
@@ -5022,6 +5080,7 @@ static long btrfs_fallocate(struct inode *inode, int mode,
5022 u64 alloc_start; 5080 u64 alloc_start;
5023 u64 alloc_end; 5081 u64 alloc_end;
5024 u64 alloc_hint = 0; 5082 u64 alloc_hint = 0;
5083 u64 locked_end;
5025 u64 mask = BTRFS_I(inode)->root->sectorsize - 1; 5084 u64 mask = BTRFS_I(inode)->root->sectorsize - 1;
5026 struct extent_map *em; 5085 struct extent_map *em;
5027 struct btrfs_trans_handle *trans; 5086 struct btrfs_trans_handle *trans;
@@ -5043,6 +5102,7 @@ static long btrfs_fallocate(struct inode *inode, int mode,
5043 goto out; 5102 goto out;
5044 } 5103 }
5045 5104
5105 locked_end = alloc_end - 1;
5046 while (1) { 5106 while (1) {
5047 struct btrfs_ordered_extent *ordered; 5107 struct btrfs_ordered_extent *ordered;
5048 5108
@@ -5055,8 +5115,8 @@ static long btrfs_fallocate(struct inode *inode, int mode,
5055 /* the extent lock is ordered inside the running 5115 /* the extent lock is ordered inside the running
5056 * transaction 5116 * transaction
5057 */ 5117 */
5058 lock_extent(&BTRFS_I(inode)->io_tree, alloc_start, 5118 lock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,
5059 alloc_end - 1, GFP_NOFS); 5119 GFP_NOFS);
5060 ordered = btrfs_lookup_first_ordered_extent(inode, 5120 ordered = btrfs_lookup_first_ordered_extent(inode,
5061 alloc_end - 1); 5121 alloc_end - 1);
5062 if (ordered && 5122 if (ordered &&
@@ -5064,7 +5124,7 @@ static long btrfs_fallocate(struct inode *inode, int mode,
5064 ordered->file_offset < alloc_end) { 5124 ordered->file_offset < alloc_end) {
5065 btrfs_put_ordered_extent(ordered); 5125 btrfs_put_ordered_extent(ordered);
5066 unlock_extent(&BTRFS_I(inode)->io_tree, 5126 unlock_extent(&BTRFS_I(inode)->io_tree,
5067 alloc_start, alloc_end - 1, GFP_NOFS); 5127 alloc_start, locked_end, GFP_NOFS);
5068 btrfs_end_transaction(trans, BTRFS_I(inode)->root); 5128 btrfs_end_transaction(trans, BTRFS_I(inode)->root);
5069 5129
5070 /* 5130 /*
@@ -5089,7 +5149,8 @@ static long btrfs_fallocate(struct inode *inode, int mode,
5089 last_byte = (last_byte + mask) & ~mask; 5149 last_byte = (last_byte + mask) & ~mask;
5090 if (em->block_start == EXTENT_MAP_HOLE) { 5150 if (em->block_start == EXTENT_MAP_HOLE) {
5091 ret = prealloc_file_range(trans, inode, cur_offset, 5151 ret = prealloc_file_range(trans, inode, cur_offset,
5092 last_byte, alloc_hint, mode); 5152 last_byte, locked_end + 1,
5153 alloc_hint, mode);
5093 if (ret < 0) { 5154 if (ret < 0) {
5094 free_extent_map(em); 5155 free_extent_map(em);
5095 break; 5156 break;
@@ -5105,7 +5166,7 @@ static long btrfs_fallocate(struct inode *inode, int mode,
5105 break; 5166 break;
5106 } 5167 }
5107 } 5168 }
5108 unlock_extent(&BTRFS_I(inode)->io_tree, alloc_start, alloc_end - 1, 5169 unlock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,
5109 GFP_NOFS); 5170 GFP_NOFS);
5110 5171
5111 btrfs_end_transaction(trans, BTRFS_I(inode)->root); 5172 btrfs_end_transaction(trans, BTRFS_I(inode)->root);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 9f135e878507..5e94ea6e1cbe 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -477,11 +477,13 @@ static int btrfs_ioctl_resize(struct btrfs_root *root, void __user *arg)
477 *devstr = '\0'; 477 *devstr = '\0';
478 devstr = vol_args->name; 478 devstr = vol_args->name;
479 devid = simple_strtoull(devstr, &end, 10); 479 devid = simple_strtoull(devstr, &end, 10);
480 printk(KERN_INFO "resizing devid %llu\n", devid); 480 printk(KERN_INFO "resizing devid %llu\n",
481 (unsigned long long)devid);
481 } 482 }
482 device = btrfs_find_device(root, devid, NULL, NULL); 483 device = btrfs_find_device(root, devid, NULL, NULL);
483 if (!device) { 484 if (!device) {
484 printk(KERN_INFO "resizer unable to find device %llu\n", devid); 485 printk(KERN_INFO "resizer unable to find device %llu\n",
486 (unsigned long long)devid);
485 ret = -EINVAL; 487 ret = -EINVAL;
486 goto out_unlock; 488 goto out_unlock;
487 } 489 }
@@ -805,7 +807,8 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
805 BUG_ON(!trans); 807 BUG_ON(!trans);
806 808
807 /* punch hole in destination first */ 809 /* punch hole in destination first */
808 btrfs_drop_extents(trans, root, inode, off, off+len, 0, &hint_byte); 810 btrfs_drop_extents(trans, root, inode, off, off + len,
811 off + len, 0, &hint_byte);
809 812
810 /* clone data */ 813 /* clone data */
811 key.objectid = src->i_ino; 814 key.objectid = src->i_ino;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index a7acfe639a44..3536bdb2d7cb 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -68,7 +68,7 @@ enum {
68 Opt_degraded, Opt_subvol, Opt_device, Opt_nodatasum, Opt_nodatacow, 68 Opt_degraded, Opt_subvol, Opt_device, Opt_nodatasum, Opt_nodatacow,
69 Opt_max_extent, Opt_max_inline, Opt_alloc_start, Opt_nobarrier, 69 Opt_max_extent, Opt_max_inline, Opt_alloc_start, Opt_nobarrier,
70 Opt_ssd, Opt_thread_pool, Opt_noacl, Opt_compress, Opt_notreelog, 70 Opt_ssd, Opt_thread_pool, Opt_noacl, Opt_compress, Opt_notreelog,
71 Opt_flushoncommit, Opt_err, 71 Opt_ratio, Opt_flushoncommit, Opt_err,
72}; 72};
73 73
74static match_table_t tokens = { 74static match_table_t tokens = {
@@ -87,6 +87,7 @@ static match_table_t tokens = {
87 {Opt_noacl, "noacl"}, 87 {Opt_noacl, "noacl"},
88 {Opt_notreelog, "notreelog"}, 88 {Opt_notreelog, "notreelog"},
89 {Opt_flushoncommit, "flushoncommit"}, 89 {Opt_flushoncommit, "flushoncommit"},
90 {Opt_ratio, "metadata_ratio=%d"},
90 {Opt_err, NULL}, 91 {Opt_err, NULL},
91}; 92};
92 93
@@ -195,7 +196,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
195 info->max_extent = max_t(u64, 196 info->max_extent = max_t(u64,
196 info->max_extent, root->sectorsize); 197 info->max_extent, root->sectorsize);
197 printk(KERN_INFO "btrfs: max_extent at %llu\n", 198 printk(KERN_INFO "btrfs: max_extent at %llu\n",
198 info->max_extent); 199 (unsigned long long)info->max_extent);
199 } 200 }
200 break; 201 break;
201 case Opt_max_inline: 202 case Opt_max_inline:
@@ -210,7 +211,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
210 root->sectorsize); 211 root->sectorsize);
211 } 212 }
212 printk(KERN_INFO "btrfs: max_inline at %llu\n", 213 printk(KERN_INFO "btrfs: max_inline at %llu\n",
213 info->max_inline); 214 (unsigned long long)info->max_inline);
214 } 215 }
215 break; 216 break;
216 case Opt_alloc_start: 217 case Opt_alloc_start:
@@ -220,7 +221,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
220 kfree(num); 221 kfree(num);
221 printk(KERN_INFO 222 printk(KERN_INFO
222 "btrfs: allocations start at %llu\n", 223 "btrfs: allocations start at %llu\n",
223 info->alloc_start); 224 (unsigned long long)info->alloc_start);
224 } 225 }
225 break; 226 break;
226 case Opt_noacl: 227 case Opt_noacl:
@@ -234,6 +235,15 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
234 printk(KERN_INFO "btrfs: turning on flush-on-commit\n"); 235 printk(KERN_INFO "btrfs: turning on flush-on-commit\n");
235 btrfs_set_opt(info->mount_opt, FLUSHONCOMMIT); 236 btrfs_set_opt(info->mount_opt, FLUSHONCOMMIT);
236 break; 237 break;
238 case Opt_ratio:
239 intarg = 0;
240 match_int(&args[0], &intarg);
241 if (intarg) {
242 info->metadata_ratio = intarg;
243 printk(KERN_INFO "btrfs: metadata ratio %d\n",
244 info->metadata_ratio);
245 }
246 break;
237 default: 247 default:
238 break; 248 break;
239 } 249 }
@@ -410,11 +420,14 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
410 if (btrfs_test_opt(root, NOBARRIER)) 420 if (btrfs_test_opt(root, NOBARRIER))
411 seq_puts(seq, ",nobarrier"); 421 seq_puts(seq, ",nobarrier");
412 if (info->max_extent != (u64)-1) 422 if (info->max_extent != (u64)-1)
413 seq_printf(seq, ",max_extent=%llu", info->max_extent); 423 seq_printf(seq, ",max_extent=%llu",
424 (unsigned long long)info->max_extent);
414 if (info->max_inline != 8192 * 1024) 425 if (info->max_inline != 8192 * 1024)
415 seq_printf(seq, ",max_inline=%llu", info->max_inline); 426 seq_printf(seq, ",max_inline=%llu",
427 (unsigned long long)info->max_inline);
416 if (info->alloc_start != 0) 428 if (info->alloc_start != 0)
417 seq_printf(seq, ",alloc_start=%llu", info->alloc_start); 429 seq_printf(seq, ",alloc_start=%llu",
430 (unsigned long long)info->alloc_start);
418 if (info->thread_pool_size != min_t(unsigned long, 431 if (info->thread_pool_size != min_t(unsigned long,
419 num_online_cpus() + 2, 8)) 432 num_online_cpus() + 2, 8))
420 seq_printf(seq, ",thread_pool=%d", info->thread_pool_size); 433 seq_printf(seq, ",thread_pool=%d", info->thread_pool_size);
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 2869b3361eb6..01b143605ec1 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -687,7 +687,13 @@ static noinline int wait_transaction_pre_flush(struct btrfs_fs_info *info)
687 prepare_to_wait(&info->transaction_wait, &wait, 687 prepare_to_wait(&info->transaction_wait, &wait,
688 TASK_UNINTERRUPTIBLE); 688 TASK_UNINTERRUPTIBLE);
689 mutex_unlock(&info->trans_mutex); 689 mutex_unlock(&info->trans_mutex);
690
691 atomic_dec(&info->throttles);
692 wake_up(&info->transaction_throttle);
693
690 schedule(); 694 schedule();
695
696 atomic_inc(&info->throttles);
691 mutex_lock(&info->trans_mutex); 697 mutex_lock(&info->trans_mutex);
692 finish_wait(&info->transaction_wait, &wait); 698 finish_wait(&info->transaction_wait, &wait);
693 } 699 }
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 25f20ea11f27..db5e212e8445 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -536,7 +536,7 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
536 saved_nbytes = inode_get_bytes(inode); 536 saved_nbytes = inode_get_bytes(inode);
537 /* drop any overlapping extents */ 537 /* drop any overlapping extents */
538 ret = btrfs_drop_extents(trans, root, inode, 538 ret = btrfs_drop_extents(trans, root, inode,
539 start, extent_end, start, &alloc_hint); 539 start, extent_end, extent_end, start, &alloc_hint);
540 BUG_ON(ret); 540 BUG_ON(ret);
541 541
542 if (found_type == BTRFS_FILE_EXTENT_REG || 542 if (found_type == BTRFS_FILE_EXTENT_REG ||
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index e53835b88594..5f01dad4b696 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1543,7 +1543,7 @@ static noinline int btrfs_update_device(struct btrfs_trans_handle *trans,
1543 btrfs_set_device_io_align(leaf, dev_item, device->io_align); 1543 btrfs_set_device_io_align(leaf, dev_item, device->io_align);
1544 btrfs_set_device_io_width(leaf, dev_item, device->io_width); 1544 btrfs_set_device_io_width(leaf, dev_item, device->io_width);
1545 btrfs_set_device_sector_size(leaf, dev_item, device->sector_size); 1545 btrfs_set_device_sector_size(leaf, dev_item, device->sector_size);
1546 btrfs_set_device_total_bytes(leaf, dev_item, device->total_bytes); 1546 btrfs_set_device_total_bytes(leaf, dev_item, device->disk_total_bytes);
1547 btrfs_set_device_bytes_used(leaf, dev_item, device->bytes_used); 1547 btrfs_set_device_bytes_used(leaf, dev_item, device->bytes_used);
1548 btrfs_mark_buffer_dirty(leaf); 1548 btrfs_mark_buffer_dirty(leaf);
1549 1549
@@ -1940,14 +1940,6 @@ int btrfs_shrink_device(struct btrfs_device *device, u64 new_size)
1940 device->total_bytes = new_size; 1940 device->total_bytes = new_size;
1941 if (device->writeable) 1941 if (device->writeable)
1942 device->fs_devices->total_rw_bytes -= diff; 1942 device->fs_devices->total_rw_bytes -= diff;
1943 ret = btrfs_update_device(trans, device);
1944 if (ret) {
1945 unlock_chunks(root);
1946 btrfs_end_transaction(trans, root);
1947 goto done;
1948 }
1949 WARN_ON(diff > old_total);
1950 btrfs_set_super_total_bytes(super_copy, old_total - diff);
1951 unlock_chunks(root); 1943 unlock_chunks(root);
1952 btrfs_end_transaction(trans, root); 1944 btrfs_end_transaction(trans, root);
1953 1945
@@ -1979,7 +1971,7 @@ int btrfs_shrink_device(struct btrfs_device *device, u64 new_size)
1979 length = btrfs_dev_extent_length(l, dev_extent); 1971 length = btrfs_dev_extent_length(l, dev_extent);
1980 1972
1981 if (key.offset + length <= new_size) 1973 if (key.offset + length <= new_size)
1982 goto done; 1974 break;
1983 1975
1984 chunk_tree = btrfs_dev_extent_chunk_tree(l, dev_extent); 1976 chunk_tree = btrfs_dev_extent_chunk_tree(l, dev_extent);
1985 chunk_objectid = btrfs_dev_extent_chunk_objectid(l, dev_extent); 1977 chunk_objectid = btrfs_dev_extent_chunk_objectid(l, dev_extent);
@@ -1992,6 +1984,26 @@ int btrfs_shrink_device(struct btrfs_device *device, u64 new_size)
1992 goto done; 1984 goto done;
1993 } 1985 }
1994 1986
1987 /* Shrinking succeeded, else we would be at "done". */
1988 trans = btrfs_start_transaction(root, 1);
1989 if (!trans) {
1990 ret = -ENOMEM;
1991 goto done;
1992 }
1993 lock_chunks(root);
1994
1995 device->disk_total_bytes = new_size;
1996 /* Now btrfs_update_device() will change the on-disk size. */
1997 ret = btrfs_update_device(trans, device);
1998 if (ret) {
1999 unlock_chunks(root);
2000 btrfs_end_transaction(trans, root);
2001 goto done;
2002 }
2003 WARN_ON(diff > old_total);
2004 btrfs_set_super_total_bytes(super_copy, old_total - diff);
2005 unlock_chunks(root);
2006 btrfs_end_transaction(trans, root);
1995done: 2007done:
1996 btrfs_free_path(path); 2008 btrfs_free_path(path);
1997 return ret; 2009 return ret;
@@ -3076,7 +3088,8 @@ static int fill_device_from_item(struct extent_buffer *leaf,
3076 unsigned long ptr; 3088 unsigned long ptr;
3077 3089
3078 device->devid = btrfs_device_id(leaf, dev_item); 3090 device->devid = btrfs_device_id(leaf, dev_item);
3079 device->total_bytes = btrfs_device_total_bytes(leaf, dev_item); 3091 device->disk_total_bytes = btrfs_device_total_bytes(leaf, dev_item);
3092 device->total_bytes = device->disk_total_bytes;
3080 device->bytes_used = btrfs_device_bytes_used(leaf, dev_item); 3093 device->bytes_used = btrfs_device_bytes_used(leaf, dev_item);
3081 device->type = btrfs_device_type(leaf, dev_item); 3094 device->type = btrfs_device_type(leaf, dev_item);
3082 device->io_align = btrfs_device_io_align(leaf, dev_item); 3095 device->io_align = btrfs_device_io_align(leaf, dev_item);
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 5836327ba5dd..5c3ff6d02fd7 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -61,6 +61,9 @@ struct btrfs_device {
61 /* size of the device */ 61 /* size of the device */
62 u64 total_bytes; 62 u64 total_bytes;
63 63
64 /* size of the disk */
65 u64 disk_total_bytes;
66
64 /* bytes used */ 67 /* bytes used */
65 u64 bytes_used; 68 u64 bytes_used;
66 69
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 11:31:27 -0500