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[PATCH] dm: improve error message consistency

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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>
This commit is contained in:
Alasdair G Kergon
2006-06-26 00:27:35 -07:00
committed by Linus Torvalds
parent 5c6bd75d06
commit 72d9486169
17 changed files with 142 additions and 112 deletions
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11
drivers/md/dm-table.c
View File

@@ -17,6 +17,8 @@
#include <linux/mutex.h>
#include <asm/atomic.h>
#define DM_MSG_PREFIX "table"
#define MAX_DEPTH 16
#define NODE_SIZE L1_CACHE_BYTES
#define KEYS_PER_NODE (NODE_SIZE / sizeof(sector_t))
@@ -715,15 +717,14 @@ int dm_table_add_target(struct dm_table *t, const char *type,
memset(tgt, 0, sizeof(*tgt));
if (!len) {
tgt->error = "zero-length target";
DMERR("%s", tgt->error);
DMERR("%s: zero-length target", dm_device_name(t->md));
return -EINVAL;
}
tgt->type = dm_get_target_type(type);
if (!tgt->type) {
tgt->error = "unknown target type";
DMERR("%s", tgt->error);
DMERR("%s: %s: unknown target type", dm_device_name(t->md),
type);
return -EINVAL;
}
@@ -760,7 +761,7 @@ int dm_table_add_target(struct dm_table *t, const char *type,
return 0;
bad:
DMERR("%s", tgt->error);
DMERR("%s: %s: %s", dm_device_name(t->md), type, tgt->error);
dm_put_target_type(tgt->type);
return r;
}