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Add generation number to btrfs_header, readdir fixes, hash collision fixes

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-03-23 15:56:19 -04:00
committed by David Woodhouse
parent df2ce34c88
commit 7f5c15160e
5 changed files with 32 additions and 14 deletions
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14
fs/btrfs/ctree.h
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@@ -52,6 +52,7 @@ struct btrfs_key {
struct btrfs_header {
u8 fsid[16]; /* FS specific uuid */
__le64 blocknr; /* which block this node is supposed to live in */
__le64 generation;
__le64 parentid; /* objectid of the tree root */
__le32 csum;
__le32 ham;
@@ -600,6 +601,17 @@ static inline void btrfs_set_header_blocknr(struct btrfs_header *h, u64 blocknr)
h->blocknr = cpu_to_le64(blocknr);
}
static inline u64 btrfs_header_generation(struct btrfs_header *h)
{
return le64_to_cpu(h->generation);
}
static inline void btrfs_set_header_generation(struct btrfs_header *h,
u64 val)
{
h->generation = cpu_to_le64(val);
}
static inline u64 btrfs_header_parentid(struct btrfs_header *h)
{
return le64_to_cpu(h->parentid);
@@ -839,7 +851,7 @@ int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_path *path, u64 dir,
const char *name, int name_len, int mod);
int btrfs_match_dir_item_name(struct btrfs_root *root, struct btrfs_path *path,
char *name, int name_len);
const char *name, int name_len);
int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
struct btrfs_root *fs_root,
u64 dirid, u64 *objectid);