From: David Sterba <dsterba@suse.com>
Date: Sat, 24 Mar 2018 01:11:38 +0000 (+0100)
Subject: btrfs: split dev-replace locking helpers for read and write
X-Git-Tag: 4.17-rc1SMB3-Fixes~98^2~3
X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=commitdiff_plain;h=7e79cb86be28ed8073870c22f479b3b1293ecb85;hp=7e79cb86be28ed8073870c22f479b3b1293ecb85

btrfs: split dev-replace locking helpers for read and write

The current calls are unclear in what way btrfs_dev_replace_lock takes
the locks, so drop the argument, split the helpers and use similar
naming as for read and write locks.

Signed-off-by: David Sterba <dsterba@suse.com>
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