iscsi: Support auto-read-only option
commit8f3bf50d340372662a35564c669e567c6c846943
authorKevin Wolf <kwolf@redhat.com>
Mon, 8 Oct 2018 15:27:18 +0000 (8 17:27 +0200)
committerKevin Wolf <kwolf@redhat.com>
Mon, 5 Nov 2018 14:09:55 +0000 (5 15:09 +0100)
tree8042b0b30d8dbebda34a3434a9a287442cf16001
parent54ea21bd16202c4a3e43c67b573b5d1aa2ec1c0c
iscsi: Support auto-read-only option

If read-only=off, but auto-read-only=on is given, open the volume
read-write if we have the permissions, but instead of erroring out for
read-only volumes, just degrade to read-only.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
block/iscsi.c