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dm log: report fault status

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This patch reports the status of the log device so that userspace can detect
the error and take appropriate action.

Signed-off-by: Jonathan E Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jonathan E Brassow
2007-05-09 02:32:58 -07:00
committed by Linus Torvalds
parent 01d03a660e
commit 315dcc226f
2 changed files with 11 additions and 7 deletions
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drivers/md/dm-log.c
+4 -3
View File
@@ -615,6 +615,7 @@ static int core_status(struct dirty_log *log, status_type_t status,
switch(status) {
case STATUSTYPE_INFO:
DMEMIT("1 %s", log->type->name);
break;
case STATUSTYPE_TABLE:
@@ -630,17 +631,17 @@ static int disk_status(struct dirty_log *log, status_type_t status,
char *result, unsigned int maxlen)
{
int sz = 0;
char buffer[16];
struct log_c *lc = log->context;
switch(status) {
case STATUSTYPE_INFO:
DMEMIT("3 %s %s %c", log->type->name, lc->log_dev->name,
lc->log_dev_failed ? 'D' : 'A');
break;
case STATUSTYPE_TABLE:
format_dev_t(buffer, lc->log_dev->bdev->bd_dev);
DMEMIT("%s %u %s %u ", log->type->name,
lc->sync == DEFAULTSYNC ? 2 : 3, buffer,
lc->sync == DEFAULTSYNC ? 2 : 3, lc->log_dev->name,
lc->region_size);
DMEMIT_SYNC;
}