monitor: ensure we retry soon when 'remove' fails.
If a 'remove' fails there is no certainty that another event will happen soon, so make sure we retry soon anyway. Reported-by: Adam Kwolek <adam.kwolek@intel.com> Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
parent
77b3ac8c65
commit
68226a8081
1
mdadm.h
1
mdadm.h
|
@ -867,6 +867,7 @@ struct supertype {
|
|||
* external:/md0/12
|
||||
*/
|
||||
int devcnt;
|
||||
int retry_soon;
|
||||
|
||||
struct mdinfo *devs;
|
||||
|
||||
|
|
16
monitor.c
16
monitor.c
|
@ -212,6 +212,7 @@ static void signal_manager(void)
|
|||
*/
|
||||
|
||||
#define ARRAY_DIRTY 1
|
||||
#define ARRAY_BUSY 2
|
||||
static int read_and_act(struct active_array *a)
|
||||
{
|
||||
unsigned long long sync_completed;
|
||||
|
@ -419,9 +420,9 @@ static int read_and_act(struct active_array *a)
|
|||
if ((mdi->next_state & DS_REMOVE) && mdi->state_fd >= 0) {
|
||||
int remove_result;
|
||||
|
||||
/* the kernel may not be able to immediately remove the
|
||||
* disk, we can simply wait until the next event to try
|
||||
* again.
|
||||
/* The kernel may not be able to immediately remove the
|
||||
* disk. In that case we wait a little while and
|
||||
* try again.
|
||||
*/
|
||||
remove_result = write_attr("remove", mdi->state_fd);
|
||||
if (remove_result > 0) {
|
||||
|
@ -429,7 +430,8 @@ static int read_and_act(struct active_array *a)
|
|||
close(mdi->state_fd);
|
||||
close(mdi->recovery_fd);
|
||||
mdi->state_fd = -1;
|
||||
}
|
||||
} else
|
||||
ret |= ARRAY_BUSY;
|
||||
}
|
||||
if (mdi->next_state & DS_INSYNC) {
|
||||
write_attr("+in_sync", mdi->state_fd);
|
||||
|
@ -597,7 +599,7 @@ static int wait_and_act(struct supertype *container, int nowait)
|
|||
struct timespec ts;
|
||||
ts.tv_sec = 24*3600;
|
||||
ts.tv_nsec = 0;
|
||||
if (*aap == NULL) {
|
||||
if (*aap == NULL || container->retry_soon) {
|
||||
/* just waiting to get O_EXCL access */
|
||||
ts.tv_sec = 0;
|
||||
ts.tv_nsec = 20000000ULL;
|
||||
|
@ -612,7 +614,7 @@ static int wait_and_act(struct supertype *container, int nowait)
|
|||
#ifdef DEBUG
|
||||
dprint_wake_reasons(&rfds);
|
||||
#endif
|
||||
|
||||
container->retry_soon = 0;
|
||||
}
|
||||
|
||||
if (update_queue) {
|
||||
|
@ -653,6 +655,8 @@ static int wait_and_act(struct supertype *container, int nowait)
|
|||
*/
|
||||
if (sigterm && !(ret & ARRAY_DIRTY))
|
||||
a->container = NULL; /* stop touching this array */
|
||||
if (ret & ARRAY_BUSY)
|
||||
container->retry_soon = 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue