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Btrfs: Remove unused btrfs_block_group_free_space()

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We've already recorded the value in block_group->frees_space.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
This commit is contained in:
Li Zefan 2011-03-02 16:50:21 +08:00
parent f65647c29b
commit 92c4231181
2 changed files with 0 additions and 16 deletions
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15
fs/btrfs/free-space-cache.c
View file

@ -1685,21 +1685,6 @@ void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
"\n", count);
}
u64 btrfs_block_group_free_space(struct btrfs_block_group_cache *block_group)
{
struct btrfs_free_space *info;
struct rb_node *n;
u64 ret = 0;
for (n = rb_first(&block_group->free_space_offset); n;
n = rb_next(n)) {
info = rb_entry(n, struct btrfs_free_space, offset_index);
ret += info->bytes;
}
return ret;
}
/*
* for a given cluster, put all of its extents back into the free
* space cache. If the block group passed doesn't match the block group

1
fs/btrfs/free-space-cache.h
View file

@ -55,7 +55,6 @@ u64 btrfs_find_space_for_alloc(struct btrfs_block_group_cache *block_group,
u64 offset, u64 bytes, u64 empty_size);
void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
u64 bytes);
u64 btrfs_block_group_free_space(struct btrfs_block_group_cache *block_group);
int btrfs_find_space_cluster(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct btrfs_block_group_cache *block_group,