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authorAlasdair G Kergon <agk@redhat.com>2005-07-12 15:53:01 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-12 16:19:10 -0700
commitf6a80ea8ed44de0b19c42d41928be37a186a3f41 (patch)
tree2e565669d042e54576a4beaba03145ea35ec2145 /drivers/md/dm-snap.c
parent3f603ed319d5120e883e64ac5967b2fc848fc43b (diff)
[PATCH] device-mapper multipath: Barriers not supported
dm multipath will report barriers as not supported with this patch. Signed-off-by: Lars Marowsky-Bree <lmb@suse.de> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/dm-snap.c')
-rw-r--r--drivers/md/dm-snap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 7e691ab9a748..594d1f6b4789 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -777,7 +777,7 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio,
/* Full snapshots are not usable */
if (!s->valid)
- return -1;
+ return -EIO;
/*
* Write to snapshot - higher level takes care of RW/RO