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authorLinus Torvalds <torvalds@linux-foundation.org>2023-10-06 15:43:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-10-06 15:43:19 -0700
commitfc5b94f1cb405c7129a337db6ae7db3b1e325c48 (patch)
treec18215a81e475640b1e86e2ae98d5e18c9b38549
parenta88c38694714f70b2bc72f33ca125bf06c0f62f2 (diff)
parent07a1141ff170ff5d4f9c4fbb0453727ab48096e5 (diff)
Merge tag 'block-6.6-2023-10-06' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe: "Just two minor fixes, for nbd and md" * tag 'block-6.6-2023-10-06' of git://git.kernel.dk/linux: nbd: don't call blk_mark_disk_dead nbd_clear_sock_ioctl md/raid5: release batch_last before waiting for another stripe_head
-rw-r--r--drivers/block/nbd.c3
-rw-r--r--drivers/md/raid5.c7
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index df1cd0f718b8..800f131222fc 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1436,8 +1436,9 @@ static int nbd_start_device_ioctl(struct nbd_device *nbd)
static void nbd_clear_sock_ioctl(struct nbd_device *nbd)
{
- blk_mark_disk_dead(nbd->disk);
nbd_clear_sock(nbd);
+ disk_force_media_change(nbd->disk);
+ nbd_bdev_reset(nbd);
if (test_and_clear_bit(NBD_RT_HAS_CONFIG_REF,
&nbd->config->runtime_flags))
nbd_config_put(nbd);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 4cb9c608ee19..284cd71bcc68 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -854,6 +854,13 @@ struct stripe_head *raid5_get_active_stripe(struct r5conf *conf,
set_bit(R5_INACTIVE_BLOCKED, &conf->cache_state);
r5l_wake_reclaim(conf->log, 0);
+
+ /* release batch_last before wait to avoid risk of deadlock */
+ if (ctx && ctx->batch_last) {
+ raid5_release_stripe(ctx->batch_last);
+ ctx->batch_last = NULL;
+ }
+
wait_event_lock_irq(conf->wait_for_stripe,
is_inactive_blocked(conf, hash),
*(conf->hash_locks + hash));