btrfs: reduce uuid_mutex critical section while scanning devices

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The generic block device lookup or cleanup does not need the uuid mutex,
that's only for the device_list_add.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>

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Anand Jain 2018-04-12 10:29:24 +08:00 • committed by David Sterba

parent 20a6800402

commit b6ed73bcb1

1 changed files with 5 additions and 7 deletions

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fs/btrfs/volumes.c

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