Btrfs: free the stale device
authorAnand Jain <Anand.Jain@oracle.com>
Wed, 17 Jun 2015 13:10:48 +0000 (21:10 +0800)
committerDavid Sterba <dsterba@suse.cz>
Fri, 19 Jun 2015 12:03:13 +0000 (14:03 +0200)
commit4fde46f0cc71c7aba299ee6dfb4f017fb97b6e70
tree31a47f030f88140fa99e8fc555a942435db3a0fd
parent2421a8cd5faaa9c2c9397123c5a297bab227d965
Btrfs: free the stale device

When btrfs on a device is overwritten with a new btrfs (mkfs),
the old btrfs instance in the kernel becomes stale. So with this
patch, if kernel finds device is overwritten then delete the stale
fsid/uuid.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
fs/btrfs/volumes.c