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authorMike Snitzer <snitzer@redhat.com>2013-05-10 14:37:16 +0100
committerAlasdair G Kergon <agk@redhat.com>2013-05-10 14:37:16 +0100
commit042bcef889f4319d366c67fb694f1f2498fcb68e (patch)
treedd34fdad86249ddcdcfaa5b09262a33e6d7e7fdf /drivers
parentdc019b21fb92d620a3b52ccecc135ac968a7c7ec (diff)
downloadlinux-linaro-stable-042bcef889f4319d366c67fb694f1f2498fcb68e.tar.gz
dm mpath: enable WRITE SAME support
Enable WRITE SAME support in dm multipath. As far as multipath is concerned it is just another write request. Signed-off-by: Mike Snitzer <snitzer@redhat.com> Tested-by: Bharata B Rao <bharata.rao@gmail.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/dm-mpath.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 51bb81676be3..bdf26f5bd326 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -907,6 +907,7 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc,
ti->num_flush_bios = 1;
ti->num_discard_bios = 1;
+ ti->num_write_same_bios = 1;
return 0;