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authorChristoph Hellwig <hch@lst.de>2022-09-19 16:40:49 +0200
committerJens Axboe <axboe@kernel.dk>2022-09-20 08:15:44 -0600
commit4c66a326b5ab784cddd72de07ac5b6210e9e1b06 (patch)
tree73aaa5ce98f5c6d9f659be1b762ce4727ab5b1f0
parentdb7ba07108a48c0f95b74fabbfd5d63e924f992d (diff)
Revert "block: freeze the queue earlier in del_gendisk"block-6.0-2022-09-22
This reverts commit a09b314005f3a0956ebf56e01b3b80339df577cc. Dusty Mabe reported consistent hang during CoreOS shutdown with a MD RAID1 setup. Although apparently similar hangs happened before, and this patch most likely is not the root cause it made it much more severe. Revert it until we can figure out what is going on with the md driver. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20220919144049.978907-1-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/genhd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/genhd.c b/block/genhd.c
index d36fabf0abc1..988ba52fd331 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -602,7 +602,6 @@ void del_gendisk(struct gendisk *disk)
* Prevent new I/O from crossing bio_queue_enter().
*/
blk_queue_start_drain(q);
- blk_mq_freeze_queue_wait(q);
if (!(disk->flags & GENHD_FL_HIDDEN)) {
sysfs_remove_link(&disk_to_dev(disk)->kobj, "bdi");
@@ -626,6 +625,8 @@ void del_gendisk(struct gendisk *disk)
pm_runtime_set_memalloc_noio(disk_to_dev(disk), false);
device_del(disk_to_dev(disk));
+ blk_mq_freeze_queue_wait(q);
+
blk_throtl_cancel_bios(disk->queue);
blk_sync_queue(q);