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Btrfs: disallow 'btrfs {balance,replace} cancel' on ro mounts
authorIlya Dryomov <idryomov@gmail.com>
Thu, 10 Oct 2013 17:40:21 +0000 (20:40 +0300)
committerChris Mason <chris.mason@fusionio.com>
Tue, 12 Nov 2013 03:00:50 +0000 (22:00 -0500)
commitec28cf76b1b00dc05eac3c5e2f7b33da9c48e933
treebd5fde951a81a3c1804679e91a82b9b2c0e40de7tree | snapshot
parentae02aee55a6641331c1eb2aae20ce3eb7db47b47commit | diff
Btrfs: disallow 'btrfs {balance,replace} cancel' on ro mounts

For both balance and replace, cancelling involves changing the on-disk
state and committing a transaction, which is not a good thing to do on
read-only filesystems.

Cc: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
fs/btrfs/dev-replace.c diff | blob | history
fs/btrfs/volumes.c diff | blob | history
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