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[7/7] btrfs: remove pointless rcu protection from btrfs_qgroup_inherit

Message ID 72c4fd2f87eca0bc49f3292ce07856cff41536e8.1486995885.git.dsterba@suse.com (mailing list archive)
State Accepted
Headers show

Commit Message

David Sterba Feb. 13, 2017, 2:30 p.m. UTC 
There was never need for RCU protection around reading nodesize or other
fairly constant filesystem data.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/qgroup.c | 2 --
 1 file changed, 2 deletions(-)
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Patch

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 114d6770dc23..052f1410dc14 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -2189,9 +2189,7 @@  int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
 			goto out;
 		}
 
-		rcu_read_lock();
 		level_size = fs_info->nodesize;
-		rcu_read_unlock();
 	}
 
 	/*