Ming Lin a22c4d7e34 block: re-add discard_granularity and alignment checks ... In commit b49a087("block: remove split code in blkdev_issue_{discard,write_same}"), discard_granularity and alignment checks were removed. Ideally, with bio late splitting, the upper layers shouldn't need to depend on device's limits. Christoph reported a discard regression on the HGST Ultrastar SN100 NVMe device when mkfs.xfs. We have not found the root cause yet. This patch re-adds discard_granularity and alignment checks by reverting the related changes in commit b49a087. The good thing is now we can remove the 2G discard size cap and just use UINT_MAX to avoid bi_size overflow. Reviewed-by: Christoph Hellwig <hch@lst.de> Tested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ming Lin <ming.l@ssi.samsung.com> Reviewed-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>		2015-10-28 09:12:58 +09:00
..
partitions	Merge branch 'for-3.20/core' of git://git.kernel.dk/linux-block	2015-02-12 14:13:23 -08:00
bio-integrity.c	block: Refuse adding appending a gapped integrity page to a bio	2015-09-11 09:03:45 -06:00
bio.c	Merge branch 'for-4.3/blkcg' of git://git.kernel.dk/linux-block	2015-09-10 18:56:14 -07:00
blk-cgroup.c	Merge branch 'for-linus' of git://git.kernel.dk/linux-block	2015-09-19 18:57:09 -07:00
blk-core.c	block: don't release bdi while request_queue has live references	2015-10-15 09:53:28 -06:00
blk-exec.c	block: move PM request support to IDE	2015-05-05 13:40:42 -06:00
blk-flush.c	blk-mq: fix race between timeout and freeing request	2015-08-15 09:45:21 -06:00
blk-integrity.c	block: Refuse request/bio merges with gaps in the integrity payload	2015-09-11 09:03:04 -06:00
blk-ioc.c	block: Substitute rcu_access_pointer() for rcu_dereference_raw()	2014-02-18 12:21:26 -08:00
blk-iopoll.c	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
blk-lib.c	block: re-add discard_granularity and alignment checks	2015-10-28 09:12:58 +09:00
blk-map.c	block: Copy a user iovec if it includes gaps	2015-09-11 09:03:50 -06:00
blk-merge.c	block: blk-merge: fast-clone bio when splitting rw bios	2015-09-17 09:58:38 -06:00
blk-mq-cpu.c	blk-mq: add file comments and update copyright notices	2014-05-28 10:15:41 -06:00
blk-mq-cpumap.c	blk-mq: avoid inserting requests before establishing new mapping	2015-09-29 11:32:50 -06:00
blk-mq-sysfs.c	blk-mq: fix deadlock when reading cpu_list	2015-09-29 11:32:51 -06:00
blk-mq-tag.c	blk-mq: fix use-after-free in blk_mq_free_tag_set()	2015-10-15 08:45:58 -06:00
blk-mq-tag.h	blk-mq: factor out a helper to iterate all tags for a request_queue	2015-10-01 10:10:57 +02:00
blk-mq.c	blk-mq: fix use-after-free in blk_mq_free_tag_set()	2015-10-15 08:45:58 -06:00
blk-mq.h	blk-mq: avoid inserting requests before establishing new mapping	2015-09-29 11:32:50 -06:00
blk-settings.c	Merge branch 'for-4.3/core' of git://git.kernel.dk/linux-block	2015-09-02 13:10:25 -07:00
blk-softirq.c	block: fix regression with block enabled tagging	2014-04-09 21:54:06 -06:00
blk-sysfs.c	block: don't release bdi while request_queue has live references	2015-10-15 09:53:28 -06:00
blk-tag.c	block: support different tag allocation policy	2015-01-23 14:15:46 -07:00
blk-throttle.c	blkcg: implement interface for the unified hierarchy	2015-08-18 15:49:35 -07:00
blk-timeout.c	blk-mq: Allow requests to never expire	2015-01-08 08:59:01 -07:00
blk.h	Merge branch 'for-4.3/blkcg' of git://git.kernel.dk/linux-block	2015-09-10 18:56:14 -07:00
bounce.c	Merge branch 'for-linus' of git://git.kernel.dk/linux-block	2015-09-19 18:57:09 -07:00
bsg-lib.c	bsg: Remove unused function bsg_goose_queue()	2012-12-06 14:33:02 +01:00
bsg.c	block: Simplify bsg complete all	2015-02-04 09:57:52 -07:00
cfq-iosched.c	blkcg: use CGROUP_WEIGHT_* scale for io.weight on the unified hierarchy	2015-08-18 15:49:36 -07:00
cmdline-parser.c	block: remove unrelated header files and export symbol	2014-01-21 20:18:26 -08:00
compat_ioctl.c	block, bdi: an active gendisk always has a request_queue associated with it	2014-09-08 10:00:35 -06:00
deadline-iosched.c	block: Stop abusing csd.list for fifo_time	2014-02-24 14:46:32 -08:00
elevator.c	Merge branch 'for-4.2/writeback' of git://git.kernel.dk/linux-block	2015-06-25 16:00:17 -07:00
genhd.c	block: partition: convert percpu ref	2015-07-17 08:41:53 -06:00
ioctl.c	block: replace trylock with mutex_lock in blkdev_reread_part()	2015-05-20 09:05:45 -06:00
ioprio.c	block: Fix computation of merged request priority	2014-10-31 08:30:43 -06:00
Kconfig	block: Add T10 Protection Information functions	2014-09-27 09:14:59 -06:00
Kconfig.iosched
Makefile	block: Add T10 Protection Information functions	2014-09-27 09:14:59 -06:00
noop-iosched.c	elevator: Fix a race in elevator switching	2013-07-03 13:25:24 +02:00
partition-generic.c	block: partition: convert percpu ref	2015-07-17 08:41:53 -06:00
scsi_ioctl.c	block: fix bogus EFAULT error from SG_IO ioctl	2015-06-27 11:43:34 -06:00
t10-pi.c	block: Add T10 Protection Information functions	2014-09-27 09:14:59 -06:00