Darrick J. Wong
594416a720
block: fix regression where bio_integrity_process uses wrong bio_vec iterator ...
bio integrity handling is broken on a system with LVM layered atop a
DIF/DIX SCSI drive because device mapper clones the bio, modifies the
clone, and sends the clone to the lower layers for processing.
However, the clone bio has bi_vcnt == 0, which means that when the sd
driver calls bio_integrity_process to attach DIX data, the
for_each_segment_all() call (which uses bi_vcnt) returns immediately
and random garbage is sent to the disk on a disk write. The disk of
course returns an error.
Therefore, teach bio_integrity_process() to use bio_for_each_segment()
to iterate the bio_vecs, since the per-bio iterator tracks which
bio_vecs are associated with that particular bio. The integrity
handling code is effectively part of the "driver" (it's not the bio
owner), so it must use the correct iterator function.
v2: Fix a compiler warning about abandoned local variables. This
patch supersedes "block: bio_integrity_process uses wrong bio_vec
iterator". Patch applies against 3.18-rc6.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2014-12-02 08:15:21 -07:00
block: Replace strnicmp with strncasecmp
2014-09-27 16:48:55 -06:00
block: fix regression where bio_integrity_process uses wrong bio_vec iterator
2014-12-02 08:15:21 -07:00
block: add bioset_create_nobvec()
2014-10-03 15:28:18 -06:00
blkcg: remove blkcg->id
2014-09-08 09:55:37 -06:00
blkcg: remove blkcg->id
2014-09-08 09:55:37 -06:00
Merge branch 'for-3.18/core' of git://git.kernel.dk/linux-block
2014-10-18 11:53:51 -07:00
blk-mq: avoid infinite recursion with the FUA flag
2014-09-22 11:55:19 -06:00
blk-mq: support per-distpatch_queue flush machinery
2014-09-25 15:22:45 -06:00
block: Don't merge requests if integrity flags differ
2014-09-27 09:14:57 -06:00
block: Substitute rcu_access_pointer() for rcu_dereference_raw()
2014-02-18 12:21:26 -08:00
Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
2014-06-03 12:57:53 -07:00
block/blk-lib.c: make __blkdev_issue_zeroout static
2014-05-26 17:39:09 -06:00
block: remove struct request buffer member
2014-04-15 14:03:02 -06:00
block: blk-merge: fix blk_recount_segments()
2014-11-11 16:24:15 -07:00
blk-mq: add file comments and update copyright notices
2014-05-28 10:15:41 -06:00
blk-mq: add file comments and update copyright notices
2014-05-28 10:15:41 -06:00
blk-mq, percpu_ref: start q->mq_usage_counter in atomic mode
2014-09-24 13:37:21 -04:00
blk-mq: Make bt_clear_tag() easier to read
2014-10-07 08:45:21 -06:00
blk-mq: bitmap tag: fix races on shared ::wake_index fields
2014-06-17 22:12:35 -07:00
blk-mq: make mq_queue_reinit_notify() freeze queues in parallel
2014-11-04 14:49:31 -07:00
block: introduce blk_init_flush and its pair
2014-09-25 15:22:35 -06:00
block: fix alignment_offset math that assumes io_min is a power-of-2
2014-10-09 09:41:40 -06:00
block: fix regression with block enabled tagging
2014-04-09 21:54:06 -06:00
Merge branch 'for-3.18/core' of git://git.kernel.dk/linux-block
2014-10-18 11:53:51 -07:00
block: don't assume last put of shared tags is for the host
2014-07-08 12:25:28 +02:00
cgroup: remove sane_behavior support on non-default hierarchies
2014-07-09 10:08:08 -04:00
block: fix blk_abort_request on blk-mq
2014-09-22 12:00:08 -06:00
blk-mq: support per-distpatch_queue flush machinery
2014-09-25 15:22:45 -06:00
mm: convert some level-less printks to pr_*
2014-06-06 16:08:18 -07:00
bsg: Remove unused function bsg_goose_queue()
2012-12-06 14:33:02 +01:00
bsg: fix potential error pointer dereference
2014-08-29 08:34:14 -06:00
Merge branch 'for-linus' into for-3.18/core
2014-09-11 09:31:18 -06:00
block: remove unrelated header files and export symbol
2014-01-21 20:18:26 -08:00
block, bdi: an active gendisk always has a request_queue associated with it
2014-09-08 10:00:35 -06:00
block: Stop abusing csd.list for fifo_time
2014-02-24 14:46:32 -08:00
block: fix wrong error return in elevator_init()
2014-10-23 12:35:42 -06:00
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-10-07 21:16:26 -04:00
block, bdi: an active gendisk always has a request_queue associated with it
2014-09-08 10:00:35 -06:00
block: Fix computation of merged request priority
2014-10-31 08:30:43 -06:00
block: Add T10 Protection Information functions
2014-09-27 09:14:59 -06:00
blkcg: make CONFIG_BLK_CGROUP bool
2012-03-06 21:27:21 +01:00
block: Add T10 Protection Information functions
2014-09-27 09:14:59 -06:00
elevator: Fix a race in elevator switching
2013-07-03 13:25:24 +02:00
block: Fix dev_t minor allocation lifetime
2014-09-03 15:01:02 -06:00
scsi: Fix more error handling in SCSI_IOCTL_SEND_COMMAND
2014-11-10 15:41:47 -07:00
block: Add T10 Protection Information functions
2014-09-27 09:14:59 -06:00
594416a720