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path: root/drivers/md/dm-raid1.c
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Diffstat (limited to 'drivers/md/dm-raid1.c')
-rw-r--r--drivers/md/dm-raid1.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 62d5948..536ef0b 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -588,6 +588,9 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes)
int state;
struct bio *bio;
struct bio_list sync, nosync, recover, *this_list = NULL;
+ struct bio_list requeue;
+ struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh);
+ region_t region;
if (!writes->head)
return;
@@ -598,10 +601,18 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes)
bio_list_init(&sync);
bio_list_init(&nosync);
bio_list_init(&recover);
+ bio_list_init(&requeue);
while ((bio = bio_list_pop(writes))) {
- state = dm_rh_get_state(ms->rh,
- dm_rh_bio_to_region(ms->rh, bio), 1);
+ region = dm_rh_bio_to_region(ms->rh, bio);
+
+ if (log->type->is_remote_recovering &&
+ log->type->is_remote_recovering(log, region)) {
+ bio_list_add(&requeue, bio);
+ continue;
+ }
+
+ state = dm_rh_get_state(ms->rh, region, 1);
switch (state) {
case DM_RH_CLEAN:
case DM_RH_DIRTY:
@@ -621,6 +632,16 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes)
}
/*
+ * Add bios that are delayed due to remote recovery
+ * back on to the write queue
+ */
+ if (unlikely(requeue.head)) {
+ spin_lock_irq(&ms->lock);
+ bio_list_merge(&ms->writes, &requeue);
+ spin_unlock_irq(&ms->lock);
+ }
+
+ /*
* Increment the pending counts for any regions that will
* be written to (writes to recover regions are going to
* be delayed).