Message ID | 1527600426-131024-1-git-send-email-bo.liu@linux.alibaba.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Tue, May 29, 2018 at 09:27:06PM +0800, Liu Bo wrote: > The check is superfluous since all of callers who set search_for_commit > also have skip_locking set. > > ASSERT() is put in place to ensure skip_locking is set by callers. > > Reviewed-by: Qu Wenruo <wqu@suse.com> > Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com> Added to the rest, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index a2bcfdf85726..9c4f6b919d51 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -2623,8 +2623,11 @@ 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; }