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2023-02-14selftests/user_events: add a note about user_events.h dependencyShuah Khan
This test depends on <linux/user_events.h> exported in uapi The following commit removed user_events.h out of uapi: commit 5cfff569cab8 ("tracing: Move user_events.h temporarily out of include/uapi") This test will not compile until user_events.h is added back to uapi. Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-02-14dm sysfs: make kobj_type structure constantThomas Weißschuh
Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.") the driver core allows the usage of const struct kobj_type. Take advantage of this to constify the structure definition to prevent modification at runtime. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: update targets using system workqueues to use a local workqueueTetsuo Handa
Flushing system-wide workqueues is dangerous and will be forbidden. Use a local workqueue in dm-mpath.c, dm-raid1.c, and dm-stripe.c. Link: https://lkml.kernel.org/r/49925af7-78a8-a3dd-bce6-cfc02e1a9236@I-love.SAKURA.ne.jp Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: remove flush_scheduled_work() during local_exit()Mike Snitzer
Commit acfe0ad74d2e1 ("dm: allocate a special workqueue for deferred device removal") switched from using system workqueue to a single workqueue local to DM. But it didn't eliminate the call to flush_scheduled_work() that was introduced purely for the benefit of deferred device removal with commit 2c140a246dc ("dm: allow remove to be deferred"). Since DM core uses its own workqueue (and queue_work) there is no need to call flush_scheduled_work() from local_exit(). local_exit()'s destroy_workqueue(deferred_remove_workqueue) handles flushing work started with queue_work(). Fixes: acfe0ad74d2e1 ("dm: allocate a special workqueue for deferred device removal") Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm clone: prefer kvmalloc_array()Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: declare variables static when sensibleHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: fix suspect indent whitespaceHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm ioctl: prefer strscpy() instead of strlcpy()Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: avoid void function return statementsHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm integrity: change macros min/max() -> min_t/max_t where appropriateHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: fix use of sizeof() macroHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: avoid 'do {} while(0)' loop in single statement macrosHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm log: avoid multiple line dereferenceHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm log: avoid trailing semicolon in macroHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm ioctl: have constant on the right side of the testHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: don't indent labelsHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: avoid inline filenamesHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: add missing blank line after declarations/fix thoseHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: avoid useless 'else' after 'break' or return'Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: favour __packed versus "__attribute__ ((packed))"Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: favour __aligned(N) versus "__attribute__ (aligned(N))"Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: avoid using symbolic permissionsHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: prefer '"%s...", __func__'Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: adjust EXPORT_SYMBOL() to follow functions immediatelyHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: avoid split of quoted strings where possibleHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: remove unnecessary braces from single statement blocksHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: add missing empty linesHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: add argument identifier namesHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: avoid spaces before function arguments or in favour of tabsHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm block-manager: avoid not required parenthesesHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm crypt: correct 'foo*' to 'foo *'Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: fix trailing statementsHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: fix undue/missing spacesHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: correct block comments format.Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: address indent/space issuesHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: address space issues relative to switch/while/for/...Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: avoid initializing static variablesHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: enclose complex macros into parentheses where possibleHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: avoid assignment in if conditionsHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: change "unsigned" to "unsigned int"Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: use fsleep() instead of msleep() for deterministic sleep durationHeinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: prefer kmap_local_page() instead of deprecated kmap_atomic()Heinz Mauelshagen
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14dm: add missing SPDX-License-IndentifiersHeinz Mauelshagen
'GPL-2.0-only' is used instead of 'GPL-2.0' because SPDX has deprecated its use. Suggested-by: John Wiele <jwiele@redhat.com> Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2023-02-14NFS: Remove unnecessary check in nfs_read_folio()Trond Myklebust
All the callers are expected to supply a valid struct file argument, so there is no need for the NULL check. Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2023-02-14NFS: Improve tracing of nfs_wb_folio()Trond Myklebust
Include info about which folio is being traced. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2023-02-14NFS: Enable tracing of nfs_invalidate_folio() and nfs_launder_folio()Trond Myklebust
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2023-02-14NFS: fix up nfs_release_folio() to try to release the pageTrond Myklebust
If the gfp context allows it, and we're not kswapd, then try to write out the folio that has private data. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2023-02-14NFS: Clean up O_DIRECT request allocationTrond Myklebust
Rather than adjusting the index+offset after the call to nfs_create_request(), add a function nfs_page_create_from_page() that takes an offset. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2023-02-14NFS: Fix up nfs_vm_page_mkwrite() for foliosTrond Myklebust
Mechanical conversion of struct page and functions into the folio equivalents. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2023-02-14NFS: Convert nfs_write_begin/end to use foliosTrond Myklebust
Add a helper nfs_folio_grab_cache_write_begin() that can call __filemap_get_folio() directly with the appropriate parameters. Since write_begin()/write_end() take struct page arguments, just pass the folio->page back for now. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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