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(parent: 021c917) | patch
dm writecache: support optional offset for start of device
authorMikulas Patocka <mpatocka@redhat.com>
Fri, 29 Jun 2018 01:00:14 +0000 (21:00 -0400)
committerMike Snitzer <snitzer@redhat.com>
Mon, 2 Jul 2018 20:14:02 +0000 (16:14 -0400)
commitd284f8248c72d0cb36a930920e60592eb455cd0d
tree870a2d83e41eb2a2acd8f09b8e19db580a3af368tree | snapshot
parent021c91791a5e7e85c567452f1be3e4c2c6cb6063commit | diff
dm writecache: support optional offset for start of device

Add an optional parameter "start_sector" to allow the start of the
device to be offset by the specified number of 512-byte sectors.  The
sectors below this offset are not used by the writecache device and are
left to be used for disk labels and/or userspace metadata (e.g. lvm).

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Documentation/device-mapper/writecache.txt diff | blob | history
drivers/md/dm-writecache.c diff | blob | history
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