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Btrfs: remove btrfs_init_path

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btrfs_init_path was initially used when the path objects were on the
stack.  Now all the work is done by btrfs_alloc_path and btrfs_init_path
isn't required.

This patch removes it, and just uses kmem_cache_zalloc to zero out the object.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Jeff Mahoney 2009-02-12 14:11:25 -05:00 committed by Chris Mason
parent 7951f3cefb
commit e00f730865
4 changed files with 2 additions and 13 deletions
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11
fs/btrfs/ctree.c
View File

@ -38,19 +38,12 @@ static int balance_node_right(struct btrfs_trans_handle *trans,
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)
{
struct btrfs_path *path;
path = kmem_cache_alloc(btrfs_path_cachep, GFP_NOFS);
if (path) {
btrfs_init_path(path);
path = kmem_cache_zalloc(btrfs_path_cachep, GFP_NOFS);
if (path)
path->reada = 1;
}
return path;
}

1
fs/btrfs/ctree.h
View File

@ -1834,7 +1834,6 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans,
void btrfs_release_path(struct btrfs_root *root, struct btrfs_path *p);
struct btrfs_path *btrfs_alloc_path(void);
void btrfs_free_path(struct btrfs_path *p);
void btrfs_init_path(struct btrfs_path *p);
void btrfs_set_path_blocking(struct btrfs_path *p);
void btrfs_clear_path_blocking(struct btrfs_path *p);
void btrfs_unlock_up_safe(struct btrfs_path *p, int level);

1
fs/btrfs/inode-map.c
View File

@ -84,7 +84,6 @@ int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
search_key.type = 0;
search_key.offset = 0;
btrfs_init_path(path);
start_found = 0;
ret = btrfs_search_slot(trans, root, &search_key, path, 0, 0);
if (ret < 0)

2
fs/btrfs/inode.c
View File

@ -2531,8 +2531,6 @@ noinline int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
key.offset = (u64)-1;
key.type = (u8)-1;
btrfs_init_path(path);
search_again:
ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
if (ret < 0)