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Btrfs: adjust the fs_devices->missing count on unmount 

I noticed that if I tried to mount a file system with -o degraded after having
done it once already we would fail to mount.  This is because the
fs_devices->missing count was getting bumped everytime we mounted, but not
getting reset whenever we unmounted.  To fix this we just drop the missing count
as we're closing devices to make sure this doesn't happen.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
hifive-unleashed-5.1
Josef Bacik 2013-08-26 13:45:53 -04:00 committed by Chris Mason
parent 23fa76b0ba
commit 726551ebc7
1 changed files with 2 additions and 0 deletions
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2
fs/btrfs/volumes.c
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@ -673,6 +673,8 @@ static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices)
if (device->can_discard)
fs_devices->num_can_discard--;
if (device->missing)
fs_devices->missing_devices--;
new_device = btrfs_alloc_device(NULL, &device->devid,
device->uuid);