[PATCH] dm: improve error message consistency
Tidy device-mapper error messages to include context information
automatically.
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>
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index b84bc1a..8eea0ddb 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -23,6 +23,8 @@
#include "dm-bio-list.h"
#include "kcopyd.h"
+#define DM_MSG_PREFIX "snapshots"
+
/*
* The percentage increment we will wake up users at
*/
@@ -117,7 +119,7 @@
_origins = kmalloc(ORIGIN_HASH_SIZE * sizeof(struct list_head),
GFP_KERNEL);
if (!_origins) {
- DMERR("Device mapper: Snapshot: unable to allocate memory");
+ DMERR("unable to allocate memory");
return -ENOMEM;
}
@@ -412,7 +414,7 @@
int blocksize;
if (argc < 4) {
- ti->error = "dm-snapshot: requires exactly 4 arguments";
+ ti->error = "requires exactly 4 arguments";
r = -EINVAL;
goto bad1;
}
@@ -1127,7 +1129,7 @@
struct dm_dev *dev;
if (argc != 1) {
- ti->error = "dm-origin: incorrect number of arguments";
+ ti->error = "origin: incorrect number of arguments";
return -EINVAL;
}
@@ -1236,7 +1238,7 @@
r = dm_register_target(&origin_target);
if (r < 0) {
- DMERR("Device mapper: Origin: register failed %d\n", r);
+ DMERR("Origin target register failed %d", r);
goto bad1;
}