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d292dc8068
linux/drivers/block
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Christoph Hellwig d292dc8068 loop: don't destroy lo->workqueue in __loop_clr_fd 
There is no need to destroy the workqueue when clearing unbinding
a loop device from a backing file.  Not doing so on the other hand
avoid creating a complex lock dependency chain involving the global
system_transition_mutex.

Based on a patch from Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>.

Reported-by: syzbot+6479585dfd4dedd3f7e1@syzkaller.appspotmail.com
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Tested-by: syzbot+6479585dfd4dedd3f7e1@syzkaller.appspotmail.com
Link: https://lore.kernel.org/r/20220330052917.2566582-16-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-18 06:54:10 -06:00
..
aoe aoe: use bvec_kmap_local in bvcpy 2022-03-04 12:29:20 -07:00
drbd drbd: Return true/false (not 1/0) from bool functions 2022-04-17 19:54:24 -06:00
mtip32xx for-5.18/block-2022-03-18 2022-03-21 16:48:55 -07:00
null_blk block: remove QUEUE_FLAG_DISCARD 2022-04-17 19:49:59 -06:00
paride Char/Misc and other driver changes for 5.17-rc1 2022-01-14 16:02:28 +01:00
rnbd block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD 2022-04-17 19:49:59 -06:00
xen-blkback block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD 2022-04-17 19:49:59 -06:00
zram block: add a disk_openers helper 2022-04-18 06:54:09 -06:00
amiflop.c block: remove the ->rq_disk field in struct request 2021-11-29 06:41:29 -07:00
ataflop.c block: remove the ->rq_disk field in struct request 2021-11-29 06:41:29 -07:00
brd.c brd: remove brd_devices_mutex mutex 2022-01-17 07:19:40 -07:00
floppy.c floppy: use memcpy_{to,from}_bvec 2022-03-04 12:29:21 -07:00
Kconfig block: remove the rsxx driver 2021-12-16 10:57:04 -07:00
loop.c loop: don't destroy lo->workqueue in __loop_clr_fd 2022-04-18 06:54:10 -06:00
loop.h loop: remove lo_refcount and avoid lo_mutex in ->open / ->release 2022-04-18 06:54:09 -06:00
Makefile block: remove the rsxx driver 2021-12-16 10:57:04 -07:00
n64cart.c n64cart: convert bi_disk to bi_bdev->bd_disk fix build 2022-03-21 06:34:45 -06:00
nbd.c block: add a disk_openers helper 2022-04-18 06:54:09 -06:00
pktcdvd.c pktcdvd: stop using bio_reset 2022-04-17 19:30:47 -06:00
ps3disk.c ps3disk: add error handling support for add_disk() 2021-10-30 11:03:37 -06:00
ps3vram.c block: remove GENHD_FL_EXT_DEVT 2021-11-29 06:38:35 -07:00
rbd_types.h libceph, rbd: replace zero-length array with flexible-array 2020-06-01 13:22:53 +02:00
rbd.c block: remove QUEUE_FLAG_DISCARD 2022-04-17 19:49:59 -06:00
sunvdc.c block: remove genhd.h 2022-02-02 07:49:59 -07:00
swim3.c block: remove GENHD_FL_EXT_DEVT 2021-11-29 06:38:35 -07:00
swim_asm.S
swim.c block: remove GENHD_FL_EXT_DEVT 2021-11-29 06:38:35 -07:00
sx8.c block: remove the gendisk argument to blk_execute_rq 2021-11-29 06:41:29 -07:00
virtio_blk.c block: remove QUEUE_FLAG_DISCARD 2022-04-17 19:49:59 -06:00
xen-blkfront.c block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD 2022-04-17 19:49:59 -06:00
z2ram.c block: remove GENHD_FL_EXT_DEVT 2021-11-29 06:38:35 -07:00