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authorMikulas Patocka <mpatocka@redhat.com>2009-12-10 23:52:02 +0000
committerAlasdair G Kergon <agk@redhat.com>2009-12-10 23:52:02 +0000
commit64b30c46e866bbff8a9e17883a18636adc358455 (patch)
treee79ecbec9170dad5704df2ceddda7b65b1e5d1f6
parentc0da3748b9a894b9f9b561ecc2d090a913988a0f (diff)
downloadop-kernel-dev-64b30c46e866bbff8a9e17883a18636adc358455.zip
op-kernel-dev-64b30c46e866bbff8a9e17883a18636adc358455.tar.gz
dm raid1: report flush errors separately in status
Report flush errors as 'F' instead of 'D' for log and mirror devices. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
-rw-r--r--drivers/md/dm-log.c16
-rw-r--r--drivers/md/dm-raid1.c6
2 files changed, 16 insertions, 6 deletions
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index 315e36a..7035582 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -237,6 +237,7 @@ struct log_c {
* Disk log fields
*/
int log_dev_failed;
+ int log_dev_flush_failed;
struct dm_dev *log_dev;
struct log_header header;
@@ -425,6 +426,7 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti,
} else {
lc->log_dev = dev;
lc->log_dev_failed = 0;
+ lc->log_dev_flush_failed = 0;
lc->header_location.bdev = lc->log_dev->bdev;
lc->header_location.sector = 0;
@@ -633,8 +635,11 @@ static int disk_resume(struct dm_dirty_log *log)
/* write the new header */
r = rw_header(lc, WRITE);
- if (!r)
+ if (!r) {
r = flush_header(lc);
+ if (r)
+ lc->log_dev_flush_failed = 1;
+ }
if (r) {
DMWARN("%s: Failed to write header on dirty region log device",
lc->log_dev->name);
@@ -703,9 +708,10 @@ static int disk_flush(struct dm_dirty_log *log)
else {
if (lc->touched_dirtied) {
r = flush_header(lc);
- if (r)
+ if (r) {
+ lc->log_dev_flush_failed = 1;
fail_log_device(lc);
- else
+ } else
lc->touched_dirtied = 0;
}
lc->touched_cleaned = 0;
@@ -805,7 +811,9 @@ static int disk_status(struct dm_dirty_log *log, status_type_t status,
switch(status) {
case STATUSTYPE_INFO:
DMEMIT("3 %s %s %c", log->type->name, lc->log_dev->name,
- lc->log_dev_failed ? 'D' : 'A');
+ lc->log_dev_flush_failed ? 'F' :
+ lc->log_dev_failed ? 'D' :
+ 'A');
break;
case STATUSTYPE_TABLE:
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 751660b..85c8704c 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -35,6 +35,7 @@ static DECLARE_WAIT_QUEUE_HEAD(_kmirrord_recovery_stopped);
*---------------------------------------------------------------*/
enum dm_raid1_error {
DM_RAID1_WRITE_ERROR,
+ DM_RAID1_FLUSH_ERROR,
DM_RAID1_SYNC_ERROR,
DM_RAID1_READ_ERROR
};
@@ -264,7 +265,7 @@ static int mirror_flush(struct dm_target *ti)
for (i = 0; i < ms->nr_mirrors; i++)
if (test_bit(i, &error_bits))
fail_mirror(ms->mirror + i,
- DM_RAID1_WRITE_ERROR);
+ DM_RAID1_FLUSH_ERROR);
return -EIO;
}
@@ -1288,7 +1289,8 @@ static char device_status_char(struct mirror *m)
if (!atomic_read(&(m->error_count)))
return 'A';
- return (test_bit(DM_RAID1_WRITE_ERROR, &(m->error_type))) ? 'D' :
+ return (test_bit(DM_RAID1_FLUSH_ERROR, &(m->error_type))) ? 'F' :
+ (test_bit(DM_RAID1_WRITE_ERROR, &(m->error_type))) ? 'D' :
(test_bit(DM_RAID1_SYNC_ERROR, &(m->error_type))) ? 'S' :
(test_bit(DM_RAID1_READ_ERROR, &(m->error_type))) ? 'R' : 'U';
}
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