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-rw-r--r--block/blk-mq.c5
-rw-r--r--drivers/block/loop.c5
-rw-r--r--drivers/md/md.c4
-rw-r--r--drivers/md/raid10.c13
4 files changed, 17 insertions, 10 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 3c1e6b6d991d..c96c8c4f751b 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1931,7 +1931,8 @@ out:
/* If we didn't flush the entire list, we could have told the driver
* there was more coming, but that turned out to be a lie.
*/
- if ((!list_empty(list) || errors) && q->mq_ops->commit_rqs && queued)
+ if ((!list_empty(list) || errors || needs_resource ||
+ ret == BLK_STS_DEV_RESOURCE) && q->mq_ops->commit_rqs && queued)
q->mq_ops->commit_rqs(hctx);
/*
* Any items that need requeuing? Stuff them into hctx->dispatch,
@@ -2660,6 +2661,7 @@ void blk_mq_try_issue_list_directly(struct blk_mq_hw_ctx *hctx,
list_del_init(&rq->queuelist);
ret = blk_mq_request_issue_directly(rq, list_empty(list));
if (ret != BLK_STS_OK) {
+ errors++;
if (ret == BLK_STS_RESOURCE ||
ret == BLK_STS_DEV_RESOURCE) {
blk_mq_request_bypass_insert(rq, false,
@@ -2667,7 +2669,6 @@ void blk_mq_try_issue_list_directly(struct blk_mq_hw_ctx *hctx,
break;
}
blk_mq_end_request(rq, ret);
- errors++;
} else
queued++;
}
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index e3c0ba93c1a3..ad92192c7d61 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -979,6 +979,11 @@ loop_set_status_from_info(struct loop_device *lo,
lo->lo_offset = info->lo_offset;
lo->lo_sizelimit = info->lo_sizelimit;
+
+ /* loff_t vars have been assigned __u64 */
+ if (lo->lo_offset < 0 || lo->lo_sizelimit < 0)
+ return -EOVERFLOW;
+
memcpy(lo->lo_file_name, info->lo_file_name, LO_NAME_SIZE);
lo->lo_file_name[LO_NAME_SIZE-1] = 0;
lo->lo_flags = info->lo_flags;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index afaf36b2f6ab..729be2c5296c 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5620,6 +5620,7 @@ struct mddev *md_alloc(dev_t dev, char *name)
* removed (mddev_delayed_delete).
*/
flush_workqueue(md_misc_wq);
+ flush_workqueue(md_rdev_misc_wq);
mutex_lock(&disks_mutex);
mddev = mddev_alloc(dev);
@@ -6238,11 +6239,11 @@ static void mddev_detach(struct mddev *mddev)
static void __md_stop(struct mddev *mddev)
{
struct md_personality *pers = mddev->pers;
+ md_bitmap_destroy(mddev);
mddev_detach(mddev);
/* Ensure ->event_work is done */
if (mddev->event_work.func)
flush_workqueue(md_misc_wq);
- md_bitmap_destroy(mddev);
spin_lock(&mddev->lock);
mddev->pers = NULL;
spin_unlock(&mddev->lock);
@@ -6260,6 +6261,7 @@ void md_stop(struct mddev *mddev)
/* stop the array and free an attached data structures.
* This is called from dm-raid
*/
+ __md_stop_writes(mddev);
__md_stop(mddev);
bioset_exit(&mddev->bio_set);
bioset_exit(&mddev->sync_set);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 9117fcdee1be..64d6e4cd8a3a 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2639,18 +2639,18 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
}
static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector,
- int sectors, struct page *page, int rw)
+ int sectors, struct page *page, enum req_op op)
{
sector_t first_bad;
int bad_sectors;
if (is_badblock(rdev, sector, sectors, &first_bad, &bad_sectors)
- && (rw == READ || test_bit(WriteErrorSeen, &rdev->flags)))
+ && (op == REQ_OP_READ || test_bit(WriteErrorSeen, &rdev->flags)))
return -1;
- if (sync_page_io(rdev, sector, sectors << 9, page, rw, false))
+ if (sync_page_io(rdev, sector, sectors << 9, page, op, false))
/* success */
return 1;
- if (rw == WRITE) {
+ if (op == REQ_OP_WRITE) {
set_bit(WriteErrorSeen, &rdev->flags);
if (!test_and_set_bit(WantReplacement, &rdev->flags))
set_bit(MD_RECOVERY_NEEDED,
@@ -2780,7 +2780,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
if (r10_sync_page_io(rdev,
r10_bio->devs[sl].addr +
sect,
- s, conf->tmppage, WRITE)
+ s, conf->tmppage, REQ_OP_WRITE)
== 0) {
/* Well, this device is dead */
pr_notice("md/raid10:%s: read correction write failed (%d sectors at %llu on %pg)\n",
@@ -2814,8 +2814,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
switch (r10_sync_page_io(rdev,
r10_bio->devs[sl].addr +
sect,
- s, conf->tmppage,
- READ)) {
+ s, conf->tmppage, REQ_OP_READ)) {
case 0:
/* Well, this device is dead */
pr_notice("md/raid10:%s: unable to read back corrected sectors (%d sectors at %llu on %pg)\n",