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btrfs: backref: rename and move alloc_backref_edge() 

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2020-03-03 13:22:57 +08:00 committed by David Sterba
parent b1818dab9b
commit 47254d07f3
3 changed files with 16 additions and 14 deletions
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11
fs/btrfs/backref.c
View File

@ -2503,3 +2503,14 @@ struct btrfs_backref_node *btrfs_backref_alloc_node(
return node;
}
struct btrfs_backref_edge *btrfs_backref_alloc_edge(
struct btrfs_backref_cache *cache)
{
struct btrfs_backref_edge *edge;
edge = kzalloc(sizeof(*edge), GFP_NOFS);
if (edge)
cache->nr_edges++;
return edge;
}

2
fs/btrfs/backref.h
View File

@ -272,5 +272,7 @@ void btrfs_backref_init_cache(struct btrfs_fs_info *fs_info,
struct btrfs_backref_cache *cache, int is_reloc);
struct btrfs_backref_node *btrfs_backref_alloc_node(
struct btrfs_backref_cache *cache, u64 bytenr, int level);
struct btrfs_backref_edge *btrfs_backref_alloc_edge(
struct btrfs_backref_cache *cache);
#endif

17
fs/btrfs/relocation.c
View File

@ -218,17 +218,6 @@ static void free_backref_node(struct btrfs_backref_cache *cache,
}
}
static struct btrfs_backref_edge *alloc_backref_edge(
struct btrfs_backref_cache *cache)
{
struct btrfs_backref_edge *edge;
edge = kzalloc(sizeof(*edge), GFP_NOFS);
if (edge)
cache->nr_edges++;
return edge;
}
#define LINK_LOWER (1 << 0)
#define LINK_UPPER (1 << 1)
static void link_backref_edge(struct btrfs_backref_edge *edge,
@ -581,7 +570,7 @@ static int handle_direct_tree_backref(struct btrfs_backref_cache *cache,
return 0;
}
edge = alloc_backref_edge(cache);
edge = btrfs_backref_alloc_edge(cache);
if (!edge)
return -ENOMEM;
@ -698,7 +687,7 @@ static int handle_indirect_tree_backref(struct btrfs_backref_cache *cache,
break;
}
edge = alloc_backref_edge(cache);
edge = btrfs_backref_alloc_edge(cache);
if (!edge) {
btrfs_put_root(root);
ret = -ENOMEM;
@ -1263,7 +1252,7 @@ static int clone_backref_node(struct btrfs_trans_handle *trans,
if (!node->lowest) {
list_for_each_entry(edge, &node->lower, list[UPPER]) {
new_edge = alloc_backref_edge(cache);
new_edge = btrfs_backref_alloc_edge(cache);
if (!new_edge)
goto fail;