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Btrfs: early reference counting

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-03-02 16:08:05 -05:00
committed by David Woodhouse
parent 77ce6846c4
commit 02217ed299
6 changed files with 145 additions and 80 deletions
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3
fs/btrfs/ctree.h
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@@ -142,8 +142,9 @@ struct ctree_path {
};
struct tree_buffer *alloc_free_block(struct ctree_root *root);
int btrfs_inc_ref(struct ctree_root *root, struct tree_buffer *buf);
int free_extent(struct ctree_root *root, u64 blocknr, u64 num_blocks);
int search_slot(struct ctree_root *root, struct key *key, struct ctree_path *p, int ins_len);
int search_slot(struct ctree_root *root, struct key *key, struct ctree_path *p, int ins_len, int cow);
void release_path(struct ctree_root *root, struct ctree_path *p);
void init_path(struct ctree_path *p);
int del_item(struct ctree_root *root, struct ctree_path *path);