AcoSail/kernel_optimize_test
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Btrfs: remove unused check of skip_locking

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The check is superfluous since all callers who set search_for_commit
also have skip_locking set.

ASSERT() is put in place to ensure skip_locking is set by new callers.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Liu Bo 2018-05-29 21:27:06 +08:00 committed by David Sterba
parent d80bb3f905
commit f9ddfd0592
1 changed files with 5 additions and 2 deletions
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7
fs/btrfs/ctree.c
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@ -2619,8 +2619,11 @@ static struct extent_buffer *btrfs_search_slot_get_root(struct btrfs_root *root,
level = btrfs_header_level(b);
if (p->need_commit_sem)
up_read(&fs_info->commit_root_sem);
if (!p->skip_locking)
btrfs_tree_read_lock(b);
/*
* Ensure that all callers have set skip_locking when
* p->search_commit_root = 1.
*/
ASSERT(p->skip_locking == 1);
goto out;
}