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Christoph Hellwig f358afc52c mm: remove flush_kernel_dcache_page 
flush_kernel_dcache_page is a rather confusing interface that implements a
subset of flush_dcache_page by not being able to properly handle page
cache mapped pages.

The only callers left are in the exec code as all other previous callers
were incorrect as they could have dealt with page cache pages.  Replace
the calls to flush_kernel_dcache_page with calls to flush_dcache_page,
which for all architectures does either exactly the same thing, can
contains one or more of the following:

 1) an optimization to defer the cache flush for page cache pages not
    mapped into userspace
 2) additional flushing for mapped page cache pages if cache aliases
    are possible

Link: https://lkml.kernel.org/r/20210712060928.4161649-7-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Cc: Alex Shi <alexs@kernel.org>
Cc: Geoff Levand <geoff@infradead.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Guo Ren <guoren@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Yoshinori Sato <ysato@users.osdn.me>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2021-09-03 09:58:13 -07:00
..
partitions block-5.14-2021-08-07 2021-08-07 10:26:21 -07:00
Kconfig scsi: blkcg: Fix application ID config options 2021-07-04 11:44:22 -07:00
Kconfig.iosched Revert "block/mq-deadline: Add cgroup support" 2021-08-11 13:47:26 -06:00
Makefile Revert "block/mq-deadline: Add cgroup support" 2021-08-11 13:47:26 -06:00
badblocks.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
bfq-cgroup.c block, bfq: merge bursts of newly-created queues 2021-03-25 10:50:07 -06:00
bfq-iosched.c blk: Fix lock inversion between ioc lock and bfqd lock 2021-06-24 18:43:55 -06:00
bfq-iosched.h block, bfq: merge bursts of newly-created queues 2021-03-25 10:50:07 -06:00
bfq-wf2q.c block, bfq: always inject I/O of queues blocked by wakers 2021-03-25 10:50:07 -06:00
bio-integrity.c block: remove BLK_BOUNCE_ISA support 2021-04-06 09:28:17 -06:00
bio.c block: fix trace completion for chained bio 2021-06-24 09:53:50 -06:00
blk-cgroup-rwstat.c blk-cgroup: Fix the recursive blkg rwstat 2021-03-05 11:32:15 -07:00
blk-cgroup-rwstat.h blk-cgroup: separate out blkg_rwstat under CONFIG_BLK_CGROUP_RWSTAT 2019-11-07 12:28:13 -07:00
blk-cgroup.c cgroup: rstat: fix A-A deadlock on 32bit around u64_stats_sync 2021-07-27 13:12:20 -10:00
blk-core.c blk-mq: fix kernel panic during iterating over flush request 2021-08-17 08:33:32 -06:00
blk-crypto-fallback.c block: rename BIO_MAX_PAGES to BIO_MAX_VECS 2021-03-11 07:47:48 -07:00
blk-crypto-internal.h block: make blk_crypto_rq_bio_prep() able to fail 2020-10-05 10:47:43 -06:00
blk-crypto.c dm: support key eviction from keyslot managers of underlying devices 2021-02-11 09:45:25 -05:00
blk-exec.c block: return errors from blk_execute_rq() 2021-06-30 15:35:45 -06:00
blk-flush.c blk-mq: fix is_flush_rq 2021-08-17 20:17:34 -06:00
blk-integrity.c block: remove the unused blk_integrity_merge_bio export 2020-10-06 07:29:53 -06:00
blk-ioc.c block: remove retry loop in ioc_release_fn() 2020-07-16 10:22:15 -06:00
blk-iocost.c blk-iocost: fix lockdep warning on blkcg->lock 2021-08-09 20:00:26 -06:00
blk-iolatency.c blk-iolatency: error out if blk_get_queue() failed in iolatency_set_limit() 2021-08-05 11:18:13 -06:00
blk-ioprio.c block: Introduce the ioprio rq-qos policy 2021-06-21 15:03:40 -06:00
blk-ioprio.h block: Introduce the ioprio rq-qos policy 2021-06-21 15:03:40 -06:00
blk-lib.c block: export blk_next_bio() 2021-06-17 15:51:20 +02:00
blk-map.c mm: remove flush_kernel_dcache_page 2021-09-03 09:58:13 -07:00
blk-merge.c block: fix discard request merge 2021-06-29 07:41:08 -06:00
blk-mq-cpumap.c blk-mq: remove the calling of local_memory_node() 2020-10-20 07:08:17 -06:00
blk-mq-debugfs-zoned.c block: Cleanup license notice 2019-01-17 21:21:40 -07:00
blk-mq-debugfs.c block: Introduce the ioprio rq-qos policy 2021-06-21 15:03:40 -06:00
blk-mq-debugfs.h blk-mq: no need to check return value of debugfs_create functions 2019-06-13 03:00:30 -06:00
blk-mq-pci.c block: Fix blk_mq_*_map_queues() kernel-doc headers 2019-05-31 15:12:34 -06:00
blk-mq-rdma.c block: Fix blk_mq_*_map_queues() kernel-doc headers 2019-05-31 15:12:34 -06:00
blk-mq-sched.c blk-mq-sched: Fix blk_mq_sched_alloc_tags() error handling 2021-07-27 16:44:38 -06:00
blk-mq-sched.h blk: Fix lock inversion between ioc lock and bfqd lock 2021-06-24 18:43:55 -06:00
blk-mq-sysfs.c blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue 2020-10-09 12:46:28 -06:00
blk-mq-tag.c blk-mq: Use request queue-wide tags for tagset-wide sbitmap 2021-05-24 06:47:22 -06:00
blk-mq-tag.h blk-mq: Some tag allocation code refactoring 2021-05-24 06:47:22 -06:00
blk-mq-virtio.c blk-mq: Fix typo in comment 2020-03-17 20:55:21 +01:00
blk-mq.c blk-mq: fix is_flush_rq 2021-08-17 20:17:34 -06:00
blk-mq.h blk: Fix lock inversion between ioc lock and bfqd lock 2021-06-24 18:43:55 -06:00
blk-pm.c scsi: block: Fix a race in the runtime power management code 2020-12-09 11:41:41 -05:00
blk-pm.h block: Remove unused blk_pm_*() function definitions 2021-02-22 06:33:48 -07:00
blk-rq-qos.c rq-qos: fix missed wake-ups in rq_qos_throttle try two 2021-06-08 15:12:57 -06:00
blk-rq-qos.h block: Introduce the ioprio rq-qos policy 2021-06-21 15:03:40 -06:00
blk-settings.c block-5.13-2021-05-09 2021-05-09 13:25:14 -07:00
blk-stat.c blk-stat: make q->stats->lock irqsafe 2020-09-01 16:48:46 -06:00
blk-stat.h block: deactivate blk_stat timer in wbt_disable_default() 2018-12-12 06:47:51 -07:00
blk-sysfs.c block: mark queue init done at the end of blk_register_queue 2021-06-16 08:41:50 -06:00
blk-throttle.c block: store a block_device pointer in struct bio 2021-01-24 18:17:20 -07:00
blk-timeout.c block: blk-timeout: delete duplicated word 2020-07-31 16:29:47 -06:00
blk-wbt.c blk-wbt: make sure throttle is enabled properly 2021-06-21 15:03:41 -06:00
blk-wbt.h blk-wbt: introduce a new disable state to prevent false positive by rwb_enabled() 2021-06-21 15:03:41 -06:00
blk-zoned.c block: improve handling of all zones reset operation 2021-06-04 12:07:34 -04:00
blk.h blk-mq: fix is_flush_rq 2021-08-17 20:17:34 -06:00
bounce.c block: stop calling blk_queue_bounce for passthrough requests 2021-04-06 09:28:18 -06:00
bsg-lib.c block-5.14-2021-07-08 2021-07-09 12:05:33 -07:00
bsg.c block-5.14-2021-07-08 2021-07-09 12:05:33 -07:00
cmdline-parser.c
…
disk-events.c block: add the events* attributes to disk_attrs 2021-06-24 12:00:22 -06:00
elevator.c blk: Fix lock inversion between ioc lock and bfqd lock 2021-06-24 18:43:55 -06:00
genhd.c block: delay freeing the gendisk 2021-07-27 19:35:47 -06:00
ioctl.c block: move bd_part_count to struct gendisk 2021-06-01 07:45:27 -06:00
ioprio.c block: Fix sys_ioprio_set(.which=IOPRIO_WHO_PGRP) task iteration 2021-04-08 13:43:53 -06:00
keyslot-manager.c - Fix DM integrity's HMAC support to provide enhanced security of 2021-02-22 10:22:54 -08:00
kyber-iosched.c kyber: make trace_block_rq call consistent with documentation 2021-08-06 16:40:47 -06:00
mq-deadline.c Revert "block/mq-deadline: Prioritize high-priority requests" 2021-08-26 12:59:44 -06:00
opal_proto.h block: sed-opal: Change the check condition for regular session validity 2020-03-12 08:00:10 -06:00
scsi_ioctl.c block-5.14-2021-07-08 2021-07-09 12:05:33 -07:00
sed-opal.c block: sed-opal: Change the check condition for regular session validity 2020-03-12 08:00:10 -06:00
t10-pi.c block: Allow t10-pi to be modular 2020-01-06 20:59:04 -07:00