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authorJoe Thornber <ejt@redhat.com>2012-07-27 16:08:07 +0200
committerAlasdair G Kergon <agk@redhat.com>2012-07-27 16:08:07 +0200
commit16ad3d103dbec4fe6c5950d5a6c383ba9a5296ef (patch)
tree90747a420fa5f27b1428514c231d4fb1a72b5b68
parentdm: allow targets to request flushes regardless of underlying device support (diff)
downloadlinux-16ad3d103dbec4fe6c5950d5a6c383ba9a5296ef.tar.xz
linux-16ad3d103dbec4fe6c5950d5a6c383ba9a5296ef.zip
dm thin: set flush_supported
The thin provisioning target commits internal metadata on flush. So it should receive flushes regardless of whether the underlying devices support them. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
-rw-r--r--drivers/md/dm-thin.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 7510cb3d571c..ee5a3fc93b0e 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2652,6 +2652,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv)
goto bad_thin_open;
ti->num_flush_requests = 1;
+ ti->flush_supported = true;
/* In case the pool supports discards, pass them on. */
if (tc->pool->pf.discard_enabled) {