diff options
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/dm-table.c | 17 | ||||
-rw-r--r-- | drivers/md/dm.c | 4 | ||||
-rw-r--r-- | drivers/md/dm.h | 2 |
3 files changed, 19 insertions, 4 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 75fe9493e6af..47412ae98fb9 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c | |||
@@ -939,9 +939,20 @@ void dm_table_postsuspend_targets(struct dm_table *t) | |||
939 | return suspend_targets(t, 1); | 939 | return suspend_targets(t, 1); |
940 | } | 940 | } |
941 | 941 | ||
942 | void dm_table_resume_targets(struct dm_table *t) | 942 | int dm_table_resume_targets(struct dm_table *t) |
943 | { | 943 | { |
944 | int i; | 944 | int i, r = 0; |
945 | |||
946 | for (i = 0; i < t->num_targets; i++) { | ||
947 | struct dm_target *ti = t->targets + i; | ||
948 | |||
949 | if (!ti->type->preresume) | ||
950 | continue; | ||
951 | |||
952 | r = ti->type->preresume(ti); | ||
953 | if (r) | ||
954 | return r; | ||
955 | } | ||
945 | 956 | ||
946 | for (i = 0; i < t->num_targets; i++) { | 957 | for (i = 0; i < t->num_targets; i++) { |
947 | struct dm_target *ti = t->targets + i; | 958 | struct dm_target *ti = t->targets + i; |
@@ -949,6 +960,8 @@ void dm_table_resume_targets(struct dm_table *t) | |||
949 | if (ti->type->resume) | 960 | if (ti->type->resume) |
950 | ti->type->resume(ti); | 961 | ti->type->resume(ti); |
951 | } | 962 | } |
963 | |||
964 | return 0; | ||
952 | } | 965 | } |
953 | 966 | ||
954 | int dm_table_any_congested(struct dm_table *t, int bdi_bits) | 967 | int dm_table_any_congested(struct dm_table *t, int bdi_bits) |
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 883860c3565b..aeb63a3ac330 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c | |||
@@ -1360,7 +1360,9 @@ int dm_resume(struct mapped_device *md) | |||
1360 | if (!map || !dm_table_get_size(map)) | 1360 | if (!map || !dm_table_get_size(map)) |
1361 | goto out; | 1361 | goto out; |
1362 | 1362 | ||
1363 | dm_table_resume_targets(map); | 1363 | r = dm_table_resume_targets(map); |
1364 | if (r) | ||
1365 | goto out; | ||
1364 | 1366 | ||
1365 | down_write(&md->io_lock); | 1367 | down_write(&md->io_lock); |
1366 | clear_bit(DMF_BLOCK_IO, &md->flags); | 1368 | clear_bit(DMF_BLOCK_IO, &md->flags); |
diff --git a/drivers/md/dm.h b/drivers/md/dm.h index fe701c4834fe..a48ec5e3c1f4 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h | |||
@@ -57,7 +57,7 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q); | |||
57 | struct list_head *dm_table_get_devices(struct dm_table *t); | 57 | struct list_head *dm_table_get_devices(struct dm_table *t); |
58 | void dm_table_presuspend_targets(struct dm_table *t); | 58 | void dm_table_presuspend_targets(struct dm_table *t); |
59 | void dm_table_postsuspend_targets(struct dm_table *t); | 59 | void dm_table_postsuspend_targets(struct dm_table *t); |
60 | void dm_table_resume_targets(struct dm_table *t); | 60 | int dm_table_resume_targets(struct dm_table *t); |
61 | int dm_table_any_congested(struct dm_table *t, int bdi_bits); | 61 | int dm_table_any_congested(struct dm_table *t, int bdi_bits); |
62 | void dm_table_unplug_all(struct dm_table *t); | 62 | void dm_table_unplug_all(struct dm_table *t); |
63 | int dm_table_flush_all(struct dm_table *t); | 63 | int dm_table_flush_all(struct dm_table *t); |