diff options
author | Kiyoshi Ueda <k-ueda@ct.jp.nec.com> | 2009-12-10 18:52:27 -0500 |
---|---|---|
committer | Alasdair G Kergon <agk@redhat.com> | 2009-12-10 18:52:27 -0500 |
commit | c2f3d24b783fda20618b73d65678eb5dfae31a5d (patch) | |
tree | 0c5f266885460a4829c1f7c2083cd66004bd1ec2 /drivers | |
parent | 64dbce580d5a7e89e8de20b91f80c7267cdad91d (diff) |
dm mpath: reject messages when device is suspended
This patch rejects messages that can generate I/O while the device
itself is suspended.
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Cc: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/md/dm-mpath.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 45d9bf14cc4..e81345a1d08 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c | |||
@@ -1433,6 +1433,11 @@ static int multipath_message(struct dm_target *ti, unsigned argc, char **argv) | |||
1433 | goto out; | 1433 | goto out; |
1434 | } | 1434 | } |
1435 | 1435 | ||
1436 | if (dm_suspended(ti)) { | ||
1437 | r = -EBUSY; | ||
1438 | goto out; | ||
1439 | } | ||
1440 | |||
1436 | if (argc == 1) { | 1441 | if (argc == 1) { |
1437 | if (!strnicmp(argv[0], MESG_STR("queue_if_no_path"))) { | 1442 | if (!strnicmp(argv[0], MESG_STR("queue_if_no_path"))) { |
1438 | r = queue_if_no_path(m, 1, 0); | 1443 | r = queue_if_no_path(m, 1, 0); |