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btrfs: Use btrfs_mark_bg_unused to replace open code

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Introduce a small helper, btrfs_mark_bg_unused(), to acquire locks and
add a block group to unused_bgs list.

No functional modification, and only 3 callers are involved.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo
2018-05-22 16:43:47 +08:00
committed by David Sterba
parent 2556fbb0be
commit 031f24da2c
3 changed files with 19 additions and 27 deletions
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fs/btrfs/ctree.h
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@@ -2801,6 +2801,7 @@ void btrfs_wait_for_snapshot_creation(struct btrfs_root *root);
void check_system_chunk(struct btrfs_trans_handle *trans, const u64 type);
u64 add_new_free_space(struct btrfs_block_group_cache *block_group,
u64 start, u64 end);
void btrfs_mark_bg_unused(struct btrfs_block_group_cache *bg);
/* ctree.c */
int btrfs_bin_search(struct extent_buffer *eb, const struct btrfs_key *key,