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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.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index e363335e8d81..f8d7b3aa46c6 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -69,6 +69,7 @@ struct mirror_set {
region_t nr_regions;
int in_sync;
int log_failure;
+ int leg_failure;
atomic_t suspend;
atomic_t default_mirror; /* Default mirror */
@@ -211,6 +212,8 @@ static void fail_mirror(struct mirror *m, enum dm_raid1_error error_type)
struct mirror_set *ms = m->ms;
struct mirror *new;
+ ms->leg_failure = 1;
+
/*
* error_count is used for nothing more than a
* simple way to tell if a device has encountered
@@ -734,8 +737,12 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes)
dm_rh_delay(ms->rh, bio);
while ((bio = bio_list_pop(&nosync))) {
- map_bio(get_default_mirror(ms), bio);
- generic_make_request(bio);
+ if (unlikely(ms->leg_failure) && errors_handled(ms))
+ hold_bio(ms, bio);
+ else {
+ map_bio(get_default_mirror(ms), bio);
+ generic_make_request(bio);
+ }
}
}
@@ -848,6 +855,7 @@ static struct mirror_set *alloc_context(unsigned int nr_mirrors,
ms->nr_regions = dm_sector_div_up(ti->len, region_size);
ms->in_sync = 0;
ms->log_failure = 0;
+ ms->leg_failure = 0;
atomic_set(&ms->suspend, 0);
atomic_set(&ms->default_mirror, DEFAULT_MIRROR);