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(parent: 383f879) | patch
This patch introduces dm_kcopyd_zero() to make it easy to use
authorMikulas Patocka <mpatocka@redhat.com>
Wed, 3 Aug 2011 00:43:43 +0000 (10:43 +1000)
committerStephen Rothwell <sfr@canb.auug.org.au>
Wed, 3 Aug 2011 00:43:43 +0000 (10:43 +1000)
commitdbeb685746d9a1ca9265bf8f5ca3d08a8110c90d
tree84b17735d2133cca35d59100ec3a3befab81b99btree | snapshot
parent383f8790c2094cc26ed16776a0874a6718ef2efbcommit | diff
This patch introduces dm_kcopyd_zero() to make it easy to use
kcopyd to write zeros into the requested areas instead
instead of copying.  It is implemented by passing a NULL
copying source to dm_kcopyd_copy().

The forthcoming thin provisioning target uses this.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm-kcopyd.c diff | blob | history
include/linux/dm-kcopyd.h diff | blob | history
Linux kernel for KaRo TX COM modules