btrfs: refactor btrfs_free_stale_devices() to get return value

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Preparatory patch to add ioctl that allows to forget a device (ie.
reverse of scan).

Refactors btrfs_free_stale_devices() to obtain return status. As this
function can fail if it can't find the given path (returns -ENOENT) or
trying to delete a mounted device (returns -EBUSY).

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

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Anand Jain 2019-01-04 13:31:53 +08:00 • committed by David Sterba

parent e4319cd9ca

commit 70bc7088aa

1 changed files with 31 additions and 15 deletions

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fs/btrfs/volumes.c

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