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authorDavid Sterba <dsterba@suse.com>2016-11-08 17:11:27 +0100
committerDavid Sterba <dsterba@suse.com>2016-11-30 13:45:16 +0100
commit8694bb61360554e751f43688a9ff1793609884c4 (patch)
tree45e1526d7f43d24a4e5bbc4246bc3819d85c1914 /fs
parentfc2e901f26859a87b7cd5c49015552805b7a00e0 (diff)
downloadlinux-8694bb61360554e751f43688a9ff1793609884c4.tar.bz2
btrfs: reada, remove pointless BUG_ON in reada_find_extent
The lock is held, we make the same lookup that previously failed with EEXIST and we don't insert NULL pointers. Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/reada.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index e910bd9b1588..380ab6629e90 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -393,7 +393,6 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
ret = radix_tree_insert(&fs_info->reada_tree, index, re);
if (ret == -EEXIST) {
re_exist = radix_tree_lookup(&fs_info->reada_tree, index);
- BUG_ON(!re_exist);
re_exist->refcnt++;
spin_unlock(&fs_info->reada_lock);
btrfs_dev_replace_unlock(&fs_info->dev_replace, 0);