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>
switch(status) {
case STATUSTYPE_INFO:
switch(status) {
case STATUSTYPE_INFO:
+ DMEMIT("1 %s", log->type->name);
break;
case STATUSTYPE_TABLE:
break;
case STATUSTYPE_TABLE:
char *result, unsigned int maxlen)
{
int sz = 0;
char *result, unsigned int maxlen)
{
int sz = 0;
struct log_c *lc = log->context;
switch(status) {
case STATUSTYPE_INFO:
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:
break;
case STATUSTYPE_TABLE:
- format_dev_t(buffer, lc->log_dev->bdev->bd_dev);
DMEMIT("%s %u %s %u ", log->type->name,
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;
}
lc->region_size);
DMEMIT_SYNC;
}
static int mirror_status(struct dm_target *ti, status_type_t type,
char *result, unsigned int maxlen)
{
static int mirror_status(struct dm_target *ti, status_type_t type,
char *result, unsigned int maxlen)
{
+ unsigned int m, sz = 0;
struct mirror_set *ms = (struct mirror_set *) ti->private;
struct mirror_set *ms = (struct mirror_set *) ti->private;
- sz = ms->rh.log->type->status(ms->rh.log, type, result, maxlen);
-
switch (type) {
case STATUSTYPE_INFO:
DMEMIT("%d ", ms->nr_mirrors);
switch (type) {
case STATUSTYPE_INFO:
DMEMIT("%d ", ms->nr_mirrors);
(unsigned long long)ms->rh.log->type->
get_sync_count(ms->rh.log),
(unsigned long long)ms->nr_regions);
(unsigned long long)ms->rh.log->type->
get_sync_count(ms->rh.log),
(unsigned long long)ms->nr_regions);
+
+ sz = ms->rh.log->type->status(ms->rh.log, type, result, maxlen);
+
break;
case STATUSTYPE_TABLE:
break;
case STATUSTYPE_TABLE:
+ sz = ms->rh.log->type->status(ms->rh.log, type, result, maxlen);
+
DMEMIT("%d", ms->nr_mirrors);
for (m = 0; m < ms->nr_mirrors; m++)
DMEMIT(" %s %llu", ms->mirror[m].dev->name,
DMEMIT("%d", ms->nr_mirrors);
for (m = 0; m < ms->nr_mirrors; m++)
DMEMIT(" %s %llu", ms->mirror[m].dev->name,
static struct target_type mirror_target = {
.name = "mirror",
static struct target_type mirror_target = {
.name = "mirror",
.module = THIS_MODULE,
.ctr = mirror_ctr,
.dtr = mirror_dtr,
.module = THIS_MODULE,
.ctr = mirror_ctr,
.dtr = mirror_dtr,