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-rw-r--r--fs/btrfs/ctree.c20
-rw-r--r--fs/btrfs/ctree.h4
-rw-r--r--fs/btrfs/extent-tree.c24
3 files changed, 23 insertions, 25 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index aeab453b8e24..44ee5d2e52a4 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -280,9 +280,9 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans,
280 280
281 WARN_ON(btrfs_header_generation(buf) > trans->transid); 281 WARN_ON(btrfs_header_generation(buf) > trans->transid);
282 if (new_root_objectid == BTRFS_TREE_RELOC_OBJECTID) 282 if (new_root_objectid == BTRFS_TREE_RELOC_OBJECTID)
283 ret = btrfs_inc_ref(trans, root, cow, 1, 1); 283 ret = btrfs_inc_ref(trans, root, cow, 1);
284 else 284 else
285 ret = btrfs_inc_ref(trans, root, cow, 0, 1); 285 ret = btrfs_inc_ref(trans, root, cow, 0);
286 286
287 if (ret) 287 if (ret)
288 return ret; 288 return ret;
@@ -1035,14 +1035,14 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
1035 if ((owner == root->root_key.objectid || 1035 if ((owner == root->root_key.objectid ||
1036 root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) && 1036 root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) &&
1037 !(flags & BTRFS_BLOCK_FLAG_FULL_BACKREF)) { 1037 !(flags & BTRFS_BLOCK_FLAG_FULL_BACKREF)) {
1038 ret = btrfs_inc_ref(trans, root, buf, 1, 1); 1038 ret = btrfs_inc_ref(trans, root, buf, 1);
1039 BUG_ON(ret); /* -ENOMEM */ 1039 BUG_ON(ret); /* -ENOMEM */
1040 1040
1041 if (root->root_key.objectid == 1041 if (root->root_key.objectid ==
1042 BTRFS_TREE_RELOC_OBJECTID) { 1042 BTRFS_TREE_RELOC_OBJECTID) {
1043 ret = btrfs_dec_ref(trans, root, buf, 0, 1); 1043 ret = btrfs_dec_ref(trans, root, buf, 0);
1044 BUG_ON(ret); /* -ENOMEM */ 1044 BUG_ON(ret); /* -ENOMEM */
1045 ret = btrfs_inc_ref(trans, root, cow, 1, 1); 1045 ret = btrfs_inc_ref(trans, root, cow, 1);
1046 BUG_ON(ret); /* -ENOMEM */ 1046 BUG_ON(ret); /* -ENOMEM */
1047 } 1047 }
1048 new_flags |= BTRFS_BLOCK_FLAG_FULL_BACKREF; 1048 new_flags |= BTRFS_BLOCK_FLAG_FULL_BACKREF;
@@ -1050,9 +1050,9 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
1050 1050
1051 if (root->root_key.objectid == 1051 if (root->root_key.objectid ==
1052 BTRFS_TREE_RELOC_OBJECTID) 1052 BTRFS_TREE_RELOC_OBJECTID)
1053 ret = btrfs_inc_ref(trans, root, cow, 1, 1); 1053 ret = btrfs_inc_ref(trans, root, cow, 1);
1054 else 1054 else
1055 ret = btrfs_inc_ref(trans, root, cow, 0, 1); 1055 ret = btrfs_inc_ref(trans, root, cow, 0);
1056 BUG_ON(ret); /* -ENOMEM */ 1056 BUG_ON(ret); /* -ENOMEM */
1057 } 1057 }
1058 if (new_flags != 0) { 1058 if (new_flags != 0) {
@@ -1069,11 +1069,11 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
1069 if (flags & BTRFS_BLOCK_FLAG_FULL_BACKREF) { 1069 if (flags & BTRFS_BLOCK_FLAG_FULL_BACKREF) {
1070 if (root->root_key.objectid == 1070 if (root->root_key.objectid ==
1071 BTRFS_TREE_RELOC_OBJECTID) 1071 BTRFS_TREE_RELOC_OBJECTID)
1072 ret = btrfs_inc_ref(trans, root, cow, 1, 1); 1072 ret = btrfs_inc_ref(trans, root, cow, 1);
1073 else 1073 else
1074 ret = btrfs_inc_ref(trans, root, cow, 0, 1); 1074 ret = btrfs_inc_ref(trans, root, cow, 0);
1075 BUG_ON(ret); /* -ENOMEM */ 1075 BUG_ON(ret); /* -ENOMEM */
1076 ret = btrfs_dec_ref(trans, root, buf, 1, 1); 1076 ret = btrfs_dec_ref(trans, root, buf, 1);
1077 BUG_ON(ret); /* -ENOMEM */ 1077 BUG_ON(ret); /* -ENOMEM */
1078 } 1078 }
1079 clean_tree_block(trans, root, buf); 1079 clean_tree_block(trans, root, buf);
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index be91397f4e92..8e29b614fe93 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3326,9 +3326,9 @@ int btrfs_reserve_extent(struct btrfs_root *root, u64 num_bytes,
3326 u64 min_alloc_size, u64 empty_size, u64 hint_byte, 3326 u64 min_alloc_size, u64 empty_size, u64 hint_byte,
3327 struct btrfs_key *ins, int is_data, int delalloc); 3327 struct btrfs_key *ins, int is_data, int delalloc);
3328int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, 3328int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
3329 struct extent_buffer *buf, int full_backref, int no_quota); 3329 struct extent_buffer *buf, int full_backref);
3330int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, 3330int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
3331 struct extent_buffer *buf, int full_backref, int no_quota); 3331 struct extent_buffer *buf, int full_backref);
3332int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans, 3332int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans,
3333 struct btrfs_root *root, 3333 struct btrfs_root *root,
3334 u64 bytenr, u64 num_bytes, u64 flags, 3334 u64 bytenr, u64 num_bytes, u64 flags,
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 813537f362f9..591893fe58cb 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3057,7 +3057,7 @@ out:
3057static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, 3057static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
3058 struct btrfs_root *root, 3058 struct btrfs_root *root,
3059 struct extent_buffer *buf, 3059 struct extent_buffer *buf,
3060 int full_backref, int inc, int no_quota) 3060 int full_backref, int inc)
3061{ 3061{
3062 u64 bytenr; 3062 u64 bytenr;
3063 u64 num_bytes; 3063 u64 num_bytes;
@@ -3111,7 +3111,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
3111 key.offset -= btrfs_file_extent_offset(buf, fi); 3111 key.offset -= btrfs_file_extent_offset(buf, fi);
3112 ret = process_func(trans, root, bytenr, num_bytes, 3112 ret = process_func(trans, root, bytenr, num_bytes,
3113 parent, ref_root, key.objectid, 3113 parent, ref_root, key.objectid,
3114 key.offset, no_quota); 3114 key.offset, 1);
3115 if (ret) 3115 if (ret)
3116 goto fail; 3116 goto fail;
3117 } else { 3117 } else {
@@ -3119,7 +3119,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
3119 num_bytes = btrfs_level_size(root, level - 1); 3119 num_bytes = btrfs_level_size(root, level - 1);
3120 ret = process_func(trans, root, bytenr, num_bytes, 3120 ret = process_func(trans, root, bytenr, num_bytes,
3121 parent, ref_root, level - 1, 0, 3121 parent, ref_root, level - 1, 0,
3122 no_quota); 3122 1);
3123 if (ret) 3123 if (ret)
3124 goto fail; 3124 goto fail;
3125 } 3125 }
@@ -3130,15 +3130,15 @@ fail:
3130} 3130}
3131 3131
3132int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, 3132int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
3133 struct extent_buffer *buf, int full_backref, int no_quota) 3133 struct extent_buffer *buf, int full_backref)
3134{ 3134{
3135 return __btrfs_mod_ref(trans, root, buf, full_backref, 1, no_quota); 3135 return __btrfs_mod_ref(trans, root, buf, full_backref, 1);
3136} 3136}
3137 3137
3138int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, 3138int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
3139 struct extent_buffer *buf, int full_backref, int no_quota) 3139 struct extent_buffer *buf, int full_backref)
3140{ 3140{
3141 return __btrfs_mod_ref(trans, root, buf, full_backref, 0, no_quota); 3141 return __btrfs_mod_ref(trans, root, buf, full_backref, 0);
3142} 3142}
3143 3143
3144static int write_one_cache_group(struct btrfs_trans_handle *trans, 3144static int write_one_cache_group(struct btrfs_trans_handle *trans,
@@ -7532,9 +7532,9 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
7532 /* wc->stage == UPDATE_BACKREF */ 7532 /* wc->stage == UPDATE_BACKREF */
7533 if (!(wc->flags[level] & flag)) { 7533 if (!(wc->flags[level] & flag)) {
7534 BUG_ON(!path->locks[level]); 7534 BUG_ON(!path->locks[level]);
7535 ret = btrfs_inc_ref(trans, root, eb, 1, wc->for_reloc); 7535 ret = btrfs_inc_ref(trans, root, eb, 1);
7536 BUG_ON(ret); /* -ENOMEM */ 7536 BUG_ON(ret); /* -ENOMEM */
7537 ret = btrfs_dec_ref(trans, root, eb, 0, wc->for_reloc); 7537 ret = btrfs_dec_ref(trans, root, eb, 0);
7538 BUG_ON(ret); /* -ENOMEM */ 7538 BUG_ON(ret); /* -ENOMEM */
7539 ret = btrfs_set_disk_extent_flags(trans, root, eb->start, 7539 ret = btrfs_set_disk_extent_flags(trans, root, eb->start,
7540 eb->len, flag, 7540 eb->len, flag,
@@ -7769,11 +7769,9 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans,
7769 if (wc->refs[level] == 1) { 7769 if (wc->refs[level] == 1) {
7770 if (level == 0) { 7770 if (level == 0) {
7771 if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF) 7771 if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF)
7772 ret = btrfs_dec_ref(trans, root, eb, 1, 7772 ret = btrfs_dec_ref(trans, root, eb, 1);
7773 wc->for_reloc);
7774 else 7773 else
7775 ret = btrfs_dec_ref(trans, root, eb, 0, 7774 ret = btrfs_dec_ref(trans, root, eb, 0);
7776 wc->for_reloc);
7777 BUG_ON(ret); /* -ENOMEM */ 7775 BUG_ON(ret); /* -ENOMEM */
7778 } 7776 }
7779 /* make block locked assertion in clean_tree_block happy */ 7777 /* make block locked assertion in clean_tree_block happy */