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-rw-r--r--drivers/md/dm-raid.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 4b7528dc2..99b4738e8 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -362,8 +362,8 @@ static struct {
const int mode;
const char *param;
} _raid456_journal_mode[] = {
- { R5C_JOURNAL_MODE_WRITE_THROUGH , "writethrough" },
- { R5C_JOURNAL_MODE_WRITE_BACK , "writeback" }
+ { R5C_JOURNAL_MODE_WRITE_THROUGH, "writethrough" },
+ { R5C_JOURNAL_MODE_WRITE_BACK, "writeback" }
};
/* Return MD raid4/5/6 journal mode for dm @journal_mode one */
@@ -1114,7 +1114,7 @@ too_many:
* [stripe_cache <sectors>] Stripe cache size for higher RAIDs
* [region_size <sectors>] Defines granularity of bitmap
* [journal_dev <dev>] raid4/5/6 journaling deviice
- * (i.e. write hole closing log)
+ * (i.e. write hole closing log)
*
* RAID10-only options:
* [raid10_copies <# copies>] Number of copies. (Default: 2)
@@ -3325,14 +3325,14 @@ static int raid_map(struct dm_target *ti, struct bio *bio)
struct mddev *mddev = &rs->md;
/*
- * If we're reshaping to add disk(s)), ti->len and
+ * If we're reshaping to add disk(s), ti->len and
* mddev->array_sectors will differ during the process
* (ti->len > mddev->array_sectors), so we have to requeue
* bios with addresses > mddev->array_sectors here or
* there will occur accesses past EOD of the component
* data images thus erroring the raid set.
*/
- if (unlikely(bio_end_sector(bio) > mddev->array_sectors))
+ if (unlikely(bio_has_data(bio) && bio_end_sector(bio) > mddev->array_sectors))
return DM_MAPIO_REQUEUE;
md_handle_request(mddev, bio);
@@ -3999,7 +3999,7 @@ static int raid_preresume(struct dm_target *ti)
}
/* Resize bitmap to adjust to changed region size (aka MD bitmap chunksize) or grown device size */
- if (test_bit(RT_FLAG_RS_BITMAP_LOADED, &rs->runtime_flags) && mddev->bitmap &&
+ if (test_bit(RT_FLAG_RS_BITMAP_LOADED, &rs->runtime_flags) && mddev->bitmap &&
(test_bit(RT_FLAG_RS_GROW, &rs->runtime_flags) ||
(rs->requested_bitmap_chunk_sectors &&
mddev->bitmap_info.chunksize != to_bytes(rs->requested_bitmap_chunk_sectors)))) {
@@ -4046,7 +4046,9 @@ static void raid_resume(struct dm_target *ti)
* Take this opportunity to check whether any failed
* devices are reachable again.
*/
+ mddev_lock_nointr(mddev);
attempt_restore_of_faulty_devices(rs);
+ mddev_unlock(mddev);
}
if (test_and_clear_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) {