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Btrfs: early inline file data code

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-04-04 09:36:31 -04:00
committed by David Woodhouse
parent 9d64272cd3
commit df24a2b9c9
2 changed files with 248 additions and 10 deletions
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18
fs/btrfs/ctree.c
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@@ -16,21 +16,26 @@ static int balance_node_right(struct btrfs_trans_handle *trans, struct
static int del_ptr(struct btrfs_trans_handle *trans, struct btrfs_root *root,
struct btrfs_path *path, int level, int slot);
inline void btrfs_init_path(struct btrfs_path *p)
{
memset(p, 0, sizeof(*p));
}
struct btrfs_path *btrfs_alloc_path(void)
{
return kmem_cache_alloc(btrfs_path_cachep, GFP_NOFS);
struct btrfs_path *path;
path = kmem_cache_alloc(btrfs_path_cachep, GFP_NOFS);
if (path)
btrfs_init_path(path);
return path;
}
void btrfs_free_path(struct btrfs_path *p)
{
btrfs_release_path(NULL, p);
kmem_cache_free(btrfs_path_cachep, p);
}
inline void btrfs_init_path(struct btrfs_path *p)
{
memset(p, 0, sizeof(*p));
}
void btrfs_release_path(struct btrfs_root *root, struct btrfs_path *p)
{
int i;
@@ -77,6 +82,7 @@ static int btrfs_cow_block(struct btrfs_trans_handle *trans, struct btrfs_root
btrfs_free_extent(trans, root, buf->b_blocknr, 1, 1);
}
btrfs_block_release(root, buf);
mark_buffer_dirty(cow);
*cow_ret = cow;
return 0;
}