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(parent: eba7eda) | patch
btrfs: lift uuid_mutex to callers of btrfs_open_devices
authorDavid Sterba <dsterba@suse.com>
Tue, 19 Jun 2018 15:09:47 +0000 (17:09 +0200)
committerDavid Sterba <dsterba@suse.com>
Mon, 6 Aug 2018 11:12:47 +0000 (13:12 +0200)
commit89f9370230189cb228d74cbe0ecfd5054f348617
tree8a7b478717ccb4bb87575d1594d437adebb552e3tree | snapshot
parenteba7eda76f5b9d9f52f7f603fad851d5bf654820commit | diff
btrfs: lift uuid_mutex to callers of btrfs_open_devices

Prepartory work to fix race between mount and device scan.

The callers will have to manage the critical section, eg. mount wants to
scan and then call btrfs_open_devices without the ioctl scan walking in
and modifying the fs devices in the meantime.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/super.c diff | blob | history
fs/btrfs/volumes.c diff | blob | history
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