From 4f0b70b0479101522b8645ddc1f5ee7137821db3 Mon Sep 17 00:00:00 2001 From: Mike Snitzer Date: Fri, 21 Dec 2012 20:23:37 +0000 Subject: [PATCH] dm linear: add WRITE SAME support The linear target can already support WRITE SAME requests so signal this by setting num_write_same_requests to 1. Signed-off-by: Mike Snitzer Signed-off-by: Alasdair G Kergon --- drivers/md/dm-linear.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 1bf19a93eef0..82222a8cf750 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -55,6 +55,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv) ti->num_flush_requests = 1; ti->num_discard_requests = 1; + ti->num_write_same_requests = 1; ti->private = lc; return 0; @@ -155,7 +156,7 @@ static int linear_iterate_devices(struct dm_target *ti, static struct target_type linear_target = { .name = "linear", - .version = {1, 1, 0}, + .version = {1, 2, 0}, .module = THIS_MODULE, .ctr = linear_ctr, .dtr = linear_dtr, -- 2.20.1