btrfs: return device pointer from btrfs_scan_one_device

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Return device pointer (with the IS_ERR semantics) from
btrfs_scan_one_device so we don't have to return in through pointer.

And since btrfs_fs_devices can be obtained from btrfs_device, return that.

Signed-off-by: Gu Jinxiang <gujx@cn.fujitsu.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ fixed conflics after recent changes to btrfs_scan_one_device ]
Signed-off-by: David Sterba <dsterba@suse.com>

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This commit is contained in:

Gu Jinxiang 2018-07-12 14:23:16 +08:00 • committed by David Sterba

parent d64dcbd183

commit 36350e95a2

3 changed files with 30 additions and 26 deletions

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34

fs/btrfs/super.c

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18

fs/btrfs/volumes.c

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4

fs/btrfs/volumes.h

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