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btrfs: remove pointless rcu protection from btrfs_qgroup_inherit
author
David Sterba
<dsterba@suse.com>
Mon, 13 Feb 2017 14:05:33 +0000
(15:05 +0100)
committer
David Sterba
<dsterba@suse.com>
Fri, 17 Feb 2017 11:03:50 +0000
(12:03 +0100)
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
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diff --git
a/fs/btrfs/qgroup.c
b/fs/btrfs/qgroup.c
index
c6bf886
..
e1d0ab1
100644
(file)
--- 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();
}
/*