We the global readahead lock in fs_info, the per-device has been unused
since the initial commit 90519d66abbccc ("btrfs: state information for
readahead").
Reported-by: Matthew Wilcox <mawil...@microsoft.com>
Signed-off-by: David Sterba <dste...@suse.com>
---
fs/btrfs/volumes.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 15216fed918b..28c28eeadff3 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -137,7 +137,6 @@ struct btrfs_device {
struct rcu_head rcu;
/* readahead state */
- spinlock_t reada_lock;
atomic_t reada_in_flight;
u64 reada_next;
struct reada_zone *reada_curr_zone;
--
2.15.1
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