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linux/drivers/block
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Jens Axboe b228ba1cb9 null_blk: fix zoned support for non-rq based operation 
The supported added for zones in null_blk seem to assume that only rq
based operation is possible. But this depends on the queue_mode setting,
if this is set to 0, then cmd->bio is what we need to be operating on.
Right now any attempt to load null_blk with queue_mode=0 will
insta-crash, since cmd->rq is NULL and null_handle_cmd() assumes it to
always be set.

Make the zoned code deal with bio's instead, or pass in the
appropriate sector/nr_sectors instead.

Fixes: ca4b2a0119 ("null_blk: add zone support")
Tested-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-09-12 18:21:11 -06:00
..
aoe drivers/block/aoe/aoedev: NULL check is not needed for mempool_destroy 2018-08-08 09:17:20 -06:00
drbd drivers/block/drbd: remove the null check for kmem_cache_destroy 2018-08-08 10:04:42 -06:00
mtip32xx drivers/block/mtip32xx: remove the null check for debugfs_remove_recursive 2018-08-08 09:17:18 -06:00
paride block: paride: pd: mark expected switch fall-throughs 2018-08-09 10:17:38 -06:00
rsxx block: Add and use op_stat_group() for indexing disk_stat fields. 2018-07-18 08:44:20 -06:00
xen-blkback xen/blkback: remove unused pers_gnts_lock from struct xen_blkif_ring 2018-08-27 12:12:04 -04:00
zram drivers/block/zram/zram_drv.c: fix bug storing backing_dev 2018-08-22 10:52:45 -07:00
amiflop.c genhd: Rename get_disk() to get_disk_and_module() 2018-02-26 09:48:42 -07:00
ataflop.c genhd: Rename get_disk() to get_disk_and_module() 2018-02-26 09:48:42 -07:00
brd.c block: make bdev_ops->rw_page() take a REQ_OP instead of bool 2018-07-18 08:44:14 -06:00
cryptoloop.c block: cryptoloop - Fix build warning 2017-09-26 07:41:22 -06:00
DAC960.c block/DAC960.c: make some arrays static const, shrinks object size 2018-08-21 11:00:17 -06:00
DAC960.h DAC960: don't use block layer bounce buffers 2018-05-11 15:07:54 -06:00
floppy.c block/floppy: remove redundant variable dflags 2018-07-09 09:07:52 -06:00
Kconfig cdrom: Use struct scsi_sense_hdr internally 2018-08-02 15:22:39 -06:00
loop.c block/loop: mark expected switch fall-through 2018-07-09 09:07:53 -06:00
loop.h loop: remember whether sysfs_create_group() was done 2018-05-07 15:26:36 -06:00
Makefile block: Rename the null_blk_mod kernel module back into null_blk 2018-07-24 09:54:36 -06:00
nbd.c nbd: don't allow invalid blocksize settings 2018-09-04 11:54:58 -06:00
null_blk.h null_blk: fix zoned support for non-rq based operation 2018-09-12 18:21:11 -06:00
null_blk_main.c null_blk: fix zoned support for non-rq based operation 2018-09-12 18:21:11 -06:00
null_blk_zoned.c null_blk: fix zoned support for non-rq based operation 2018-09-12 18:21:11 -06:00
pktcdvd.c pktcdvd: fix setting of 'ret' error return for a few cases 2018-08-16 14:09:28 -06:00
ps3disk.c ps3disk: handle highmem pages 2018-05-11 15:08:03 -06:00
ps3vram.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
rbd.c The main things are support for cephx v2 authentication protocol and 2018-08-20 18:26:55 -07:00
rbd_types.h rbd: RBD_V{1,2}_DATA_FORMAT macros 2017-02-20 12:16:15 +01:00
skd_main.c block: skd: Use %pad printk format for dma_addr_t values 2018-07-12 15:01:28 -06:00
skd_s1120.h skd: Use __packed only when needed 2017-08-18 08:45:29 -06:00
sunvdc.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
swim.c block/swim: Select appropriate drive on device open 2018-04-16 21:49:35 -06:00
swim3.c block/swim: Rename macros to avoid inconsistent inverted logic 2018-04-16 21:49:35 -06:00
swim_asm.S
sx8.c block: sanitize blk_get_request calling conventions 2018-05-14 08:55:12 -06:00
umem.c block: Fix a race between the cgroup code and request queue initialization 2018-02-28 12:23:35 -07:00
umem.h
virtio_blk.c block drivers/block: Use octal not symbolic permissions 2018-05-24 13:38:59 -06:00
xen-blkfront.c xen/blkfront: reorder tests in xlblk_init() 2018-08-27 12:12:03 -04:00
xsysace.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
z2ram.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00