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path: root/drivers/md/raid5.c
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Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r--drivers/md/raid5.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 24b32a0c95b4..e57ce3295292 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4956,7 +4956,8 @@ static void handle_stripe(struct stripe_head *sh)
goto finish;
if (s.handle_bad_blocks ||
- test_bit(MD_SB_CHANGE_PENDING, &conf->mddev->sb_flags)) {
+ (md_is_rdwr(conf->mddev) &&
+ test_bit(MD_SB_CHANGE_PENDING, &conf->mddev->sb_flags))) {
set_bit(STRIPE_HANDLE, &sh->state);
goto finish;
}
@@ -6768,7 +6769,8 @@ static void raid5d(struct md_thread *thread)
int batch_size, released;
unsigned int offset;
- if (test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags))
+ if (md_is_rdwr(mddev) &&
+ test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags))
break;
released = release_stripe_list(conf, conf->temp_inactive_list);
@@ -7745,6 +7747,7 @@ static int raid5_set_limits(struct mddev *mddev)
stripe = roundup_pow_of_two(data_disks * (mddev->chunk_sectors << 9));
md_init_stacking_limits(&lim);
+ lim.logical_block_size = mddev->logical_block_size;
lim.io_min = mddev->chunk_sectors << 9;
lim.io_opt = lim.io_min * (conf->raid_disks - conf->max_degraded);
lim.features |= BLK_FEAT_RAID_PARTIAL_STRIPES_EXPENSIVE;