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Author SHA1 Message Date
Linus Torvalds
b7cef0d21c This pull request contains updates for UBI and UBIFS 
UBI:
 	- Use bitmap API to allocate bitmaps
 	- New attach mode, disable_fm, to attach without fastmap
         - Fixes for various typos in comments
 
 UBIFS:
 	- Fix for a deadlock when setting xattrs for encrypted file
 	- Fix for an assertion failures when truncating encrypted files
         - Fixes for various typos in comments
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Merge tag 'for-linus-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

Pull UBI and UBIFS updates from Richard Weinberger:
 "UBI:
   - Use bitmap API to allocate bitmaps
   - New attach mode, disable_fm, to attach without fastmap
   - Fixes for various typos in comments

  UBIFS:
   - Fix for a deadlock when setting xattrs for encrypted file
   - Fix for an assertion failures when truncating encrypted files
   - Fixes for various typos in comments"

* tag 'for-linus-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
  ubi: fastmap: Add fastmap control support for 'UBI_IOCATT' ioctl
  ubi: fastmap: Use the bitmap API to allocate bitmaps
  ubifs: Fix AA deadlock when setting xattr for encrypted file
  ubifs: Fix UBIFS ro fail due to truncate in the encrypted directory
  mtd: ubi: drop unexpected word 'a' in comments
  ubi: block: Fix typos in comments
  ubi: fastmap: Fix typo in comments
  ubi: Fix repeated words in comments
  ubi: ubi-media.h: Fix comment typo
  ubi: block: Remove in vain semicolon
  ubifs: Fix ubifs_check_dir_empty() kernel-doc comment
 2022-10-14 18:23:23 -07:00
Linus Torvalds
91080ab38f This pull request contains the following changes for UML: 
- Move to strscpy()
 - Improve panic notifiers
 - Fix NR_CPUS usage
 - Fixes for various comments
 - Fixes for virtio driver
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Merge tag 'for-linus-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux

Pull UML updates from Richard Weinberger:

 - Move to strscpy()

 - Improve panic notifiers

 - Fix NR_CPUS usage

 - Fixes for various comments

 - Fixes for virtio driver

* tag 'for-linus-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux:
  uml: Remove the initialization of statics to 0
  um: Do not initialise statics to 0.
  um: Fix comment typo
  um: Improve panic notifiers consistency and ordering
  um: remove unused reactivate_chan() declaration
  um: mmaper: add __exit annotations to module exit funcs
  um: virt-pci: add __init/__exit annotations to module init/exit funcs
  hostfs: move from strlcpy with unused retval to strscpy
  um: move from strlcpy with unused retval to strscpy
  um: increase default virtual physical memory to 64 MiB
  UM: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK
  um: read multiple msg from virtio slave request fd
 2022-10-14 18:14:48 -07:00
Linus Torvalds
5e714bf171 - Alistair Popple has a series which addresses a race which causes page 
refcounting errors in ZONE_DEVICE pages.
 
 - Peter Xu fixes some userfaultfd test harness instability.
 
 - Various other patches in MM, mainly fixes.
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Merge tag 'mm-stable-2022-10-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull more MM updates from Andrew Morton:

 - fix a race which causes page refcounting errors in ZONE_DEVICE pages
   (Alistair Popple)

 - fix userfaultfd test harness instability (Peter Xu)

 - various other patches in MM, mainly fixes

* tag 'mm-stable-2022-10-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (29 commits)
  highmem: fix kmap_to_page() for kmap_local_page() addresses
  mm/page_alloc: fix incorrect PGFREE and PGALLOC for high-order page
  mm/selftest: uffd: explain the write missing fault check
  mm/hugetlb: use hugetlb_pte_stable in migration race check
  mm/hugetlb: fix race condition of uffd missing/minor handling
  zram: always expose rw_page
  LoongArch: update local TLB if PTE entry exists
  mm: use update_mmu_tlb() on the second thread
  kasan: fix array-bounds warnings in tests
  hmm-tests: add test for migrate_device_range()
  nouveau/dmem: evict device private memory during release
  nouveau/dmem: refactor nouveau_dmem_fault_copy_one()
  mm/migrate_device.c: add migrate_device_range()
  mm/migrate_device.c: refactor migrate_vma and migrate_deivce_coherent_page()
  mm/memremap.c: take a pgmap reference on page allocation
  mm: free device private pages have zero refcount
  mm/memory.c: fix race when faulting a device private page
  mm/damon: use damon_sz_region() in appropriate place
  mm/damon: move sz_damon_region to damon_sz_region
  lib/test_meminit: add checks for the allocation functions
  ...
 2022-10-14 12:28:43 -07:00
Linus Torvalds
524d0c6882 A quiet round this time: several assorted filesystem fixes, the most 
noteworthy one being some additional wakeups in cap handling code, and
 a messenger cleanup.
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Merge tag 'ceph-for-6.1-rc1' of https://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "A quiet round this time: several assorted filesystem fixes, the most
  noteworthy one being some additional wakeups in cap handling code, and
  a messenger cleanup"

* tag 'ceph-for-6.1-rc1' of https://github.com/ceph/ceph-client:
  ceph: remove Sage's git tree from documentation
  ceph: fix incorrectly showing the .snap size for stat
  ceph: fail the open_by_handle_at() if the dentry is being unlinked
  ceph: increment i_version when doing a setattr with caps
  ceph: Use kcalloc for allocating multiple elements
  ceph: no need to wait for transition RDCACHE|RD -> RD
  ceph: fail the request if the peer MDS doesn't support getvxattr op
  ceph: wake up the waiters if any new caps comes
  libceph: drop last_piece flag from ceph_msg_data_cursor
 2022-10-13 10:21:37 -07:00
Linus Torvalds
66b8345585 NFS Client Updates for Linux 6.1 
- New Features:
   - Add NFSv4.2 xattr tracepoints
   - Replace xprtiod WQ in rpcrdma
   - Flexfiles cancels I/O on layout recall or revoke
 
 - Bugfixes and Cleanups:
   - Directly use ida_alloc() / ida_free()
   - Don't open-code max_t()
   - Prefer using strscpy over strlcpy
   - Remove unused forward declarations
   - Always return layout states on flexfiles layout return
   - Have LISTXATTR treat NFS4ERR_NOXATTR as an empty reply instead of error
   - Allow more xprtrdma memory allocations to fail without triggering a reclaim
   - Various other xprtrdma clean ups
   - Fix rpc_killall_tasks() races
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Merge tag 'nfs-for-6.1-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client updates from Anna Schumaker:
 "New Features:
   - Add NFSv4.2 xattr tracepoints
   - Replace xprtiod WQ in rpcrdma
   - Flexfiles cancels I/O on layout recall or revoke

  Bugfixes and Cleanups:
   - Directly use ida_alloc() / ida_free()
   - Don't open-code max_t()
   - Prefer using strscpy over strlcpy
   - Remove unused forward declarations
   - Always return layout states on flexfiles layout return
   - Have LISTXATTR treat NFS4ERR_NOXATTR as an empty reply instead of
     error
   - Allow more xprtrdma memory allocations to fail without triggering a
     reclaim
   - Various other xprtrdma clean ups
   - Fix rpc_killall_tasks() races"

* tag 'nfs-for-6.1-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (27 commits)
  NFSv4/flexfiles: Cancel I/O if the layout is recalled or revoked
  SUNRPC: Add API to force the client to disconnect
  SUNRPC: Add a helper to allow pNFS drivers to selectively cancel RPC calls
  SUNRPC: Fix races with rpc_killall_tasks()
  xprtrdma: Fix uninitialized variable
  xprtrdma: Prevent memory allocations from driving a reclaim
  xprtrdma: Memory allocation should be allowed to fail during connect
  xprtrdma: MR-related memory allocation should be allowed to fail
  xprtrdma: Clean up synopsis of rpcrdma_regbuf_alloc()
  xprtrdma: Clean up synopsis of rpcrdma_req_create()
  svcrdma: Clean up RPCRDMA_DEF_GFP
  SUNRPC: Replace the use of the xprtiod WQ in rpcrdma
  NFSv4.2: Add a tracepoint for listxattr
  NFSv4.2: Add tracepoints for getxattr, setxattr, and removexattr
  NFSv4.2: Move TRACE_DEFINE_ENUM(NFS4_CONTENT_*) under CONFIG_NFS_V4_2
  NFSv4.2: Add special handling for LISTXATTR receiving NFS4ERR_NOXATTR
  nfs: remove nfs_wait_atomic_killable() and nfs_write_prepare() declaration
  NFSv4: remove nfs4_renewd_prepare_shutdown() declaration
  fs/nfs/pnfs_nfs.c: fix spelling typo and syntax error in comment
  NFSv4/pNFS: Always return layout stats on layout return for flexfiles
  ...
 2022-10-13 09:58:42 -07:00
Linus Torvalds
531d3b5f73 Orangefs: change iterate to iterate_shared 
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Merge tag 'for-linus-6.1-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs update from Mike Marshall:
 "Change iterate to iterate_shared"

* tag 'for-linus-6.1-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  Orangefs: change iterate to iterate_shared
 2022-10-13 09:56:14 -07:00
Matthew Wilcox (Oracle)
4fa0e3ff21 ext4,f2fs: fix readahead of verity data 
The recent change of page_cache_ra_unbounded() arguments was buggy in the
two callers, causing us to readahead the wrong pages.  Move the definition
of ractl down to after the index is set correctly.  This affected
performance on configurations that use fs-verity.

Link: https://lkml.kernel.org/r/20221012193419.1453558-1-willy@infradead.org
Fixes: 73bb49da50 ("mm/readahead: make page_cache_ra_unbounded take a readahead_control")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reported-by: Jintao Yin <nicememory@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 2022-10-12 18:51:48 -07:00
Linus Torvalds
1440f57602 Five hotfixes - three for nilfs2, two for MM. For are cc:stable, one is 
not.
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Merge tag 'mm-hotfixes-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc hotfixes from Andrew Morton:
 "Five hotfixes - three for nilfs2, two for MM. For are cc:stable, one
  is not"

* tag 'mm-hotfixes-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  nilfs2: fix leak of nilfs_root in case of writer thread creation failure
  nilfs2: fix NULL pointer dereference at nilfs_bmap_lookup_at_level()
  nilfs2: fix use-after-free bug of struct nilfs_root
  mm/damon/core: initialize damon_target->list in damon_new_target()
  mm/hugetlb: fix races when looking up a CONT-PTE/PMD size hugetlb page
 2022-10-12 11:16:58 -07:00
Linus Torvalds
676cb49573 - hfs and hfsplus kmap API modernization from Fabio Francesco 
- Valentin Schneider makes crash-kexec work properly when invoked from
   an NMI-time panic.
 
 - ntfs bugfixes from Hawkins Jiawei
 
 - Jiebin Sun improves IPC msg scalability by replacing atomic_t's with
   percpu counters.
 
 - nilfs2 cleanups from Minghao Chi
 
 - lots of other single patches all over the tree!
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Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - hfs and hfsplus kmap API modernization (Fabio Francesco)

 - make crash-kexec work properly when invoked from an NMI-time panic
   (Valentin Schneider)

 - ntfs bugfixes (Hawkins Jiawei)

 - improve IPC msg scalability by replacing atomic_t's with percpu
   counters (Jiebin Sun)

 - nilfs2 cleanups (Minghao Chi)

 - lots of other single patches all over the tree!

* tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (71 commits)
  include/linux/entry-common.h: remove has_signal comment of arch_do_signal_or_restart() prototype
  proc: test how it holds up with mapping'less process
  mailmap: update Frank Rowand email address
  ia64: mca: use strscpy() is more robust and safer
  init/Kconfig: fix unmet direct dependencies
  ia64: update config files
  nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure
  fork: remove duplicate included header files
  init/main.c: remove unnecessary (void*) conversions
  proc: mark more files as permanent
  nilfs2: remove the unneeded result variable
  nilfs2: delete unnecessary checks before brelse()
  checkpatch: warn for non-standard fixes tag style
  usr/gen_init_cpio.c: remove unnecessary -1 values from int file
  ipc/msg: mitigate the lock contention with percpu counter
  percpu: add percpu_counter_add_local and percpu_counter_sub_local
  fs/ocfs2: fix repeated words in comments
  relay: use kvcalloc to alloc page array in relay_alloc_page_array
  proc: make config PROC_CHILDREN depend on PROC_FS
  fs: uninline inode_maybe_inc_iversion()
  ...
 2022-10-12 11:00:22 -07:00
Ryusuke Konishi
d0d51a9706 nilfs2: fix leak of nilfs_root in case of writer thread creation failure 
If nilfs_attach_log_writer() failed to create a log writer thread, it
frees a data structure of the log writer without any cleanup.  After
commit e912a5b668 ("nilfs2: use root object to get ifile"), this causes
a leak of struct nilfs_root, which started to leak an ifile metadata inode
and a kobject on that struct.

In addition, if the kernel is booted with panic_on_warn, the above
ifile metadata inode leak will cause the following panic when the
nilfs2 kernel module is removed:

  kmem_cache_destroy nilfs2_inode_cache: Slab cache still has objects when
  called from nilfs_destroy_cachep+0x16/0x3a [nilfs2]
  WARNING: CPU: 8 PID: 1464 at mm/slab_common.c:494 kmem_cache_destroy+0x138/0x140
  ...
  RIP: 0010:kmem_cache_destroy+0x138/0x140
  Code: 00 20 00 00 e8 a9 55 d8 ff e9 76 ff ff ff 48 8b 53 60 48 c7 c6 20 70 65 86 48 c7 c7 d8 69 9c 86 48 8b 4c 24 28 e8 ef 71 c7 00 <0f> 0b e9 53 ff ff ff c3 48 81 ff ff 0f 00 00 77 03 31 c0 c3 53 48
  ...
  Call Trace:
   <TASK>
   ? nilfs_palloc_freev.cold.24+0x58/0x58 [nilfs2]
   nilfs_destroy_cachep+0x16/0x3a [nilfs2]
   exit_nilfs_fs+0xa/0x1b [nilfs2]
    __x64_sys_delete_module+0x1d9/0x3a0
   ? __sanitizer_cov_trace_pc+0x1a/0x50
   ? syscall_trace_enter.isra.19+0x119/0x190
   do_syscall_64+0x34/0x80
   entry_SYSCALL_64_after_hwframe+0x63/0xcd
   ...
   </TASK>
  Kernel panic - not syncing: panic_on_warn set ...

This patch fixes these issues by calling nilfs_detach_log_writer() cleanup
function if spawning the log writer thread fails.

Link: https://lkml.kernel.org/r/20221007085226.57667-1-konishi.ryusuke@gmail.com
Fixes: e912a5b668 ("nilfs2: use root object to get ifile")
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+7381dc4ad60658ca4c05@syzkaller.appspotmail.com
Tested-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 2022-10-11 19:05:45 -07:00
Ryusuke Konishi
21a87d88c2 nilfs2: fix NULL pointer dereference at nilfs_bmap_lookup_at_level() 
If the i_mode field in inode of metadata files is corrupted on disk, it
can cause the initialization of bmap structure, which should have been
called from nilfs_read_inode_common(), not to be called.  This causes a
lockdep warning followed by a NULL pointer dereference at
nilfs_bmap_lookup_at_level().

This patch fixes these issues by adding a missing sanitiy check for the
i_mode field of metadata file's inode.

Link: https://lkml.kernel.org/r/20221002030804.29978-1-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+2b32eb36c1a825b7a74c@syzkaller.appspotmail.com
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Tested-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 2022-10-11 19:05:45 -07:00
Ryusuke Konishi
d325dc6eb7 nilfs2: fix use-after-free bug of struct nilfs_root 
If the beginning of the inode bitmap area is corrupted on disk, an inode
with the same inode number as the root inode can be allocated and fail
soon after.  In this case, the subsequent call to nilfs_clear_inode() on
that bogus root inode will wrongly decrement the reference counter of
struct nilfs_root, and this will erroneously free struct nilfs_root,
causing kernel oopses.

This fixes the problem by changing nilfs_new_inode() to skip reserved
inode numbers while repairing the inode bitmap.

Link: https://lkml.kernel.org/r/20221003150519.39789-1-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+b8c672b0e22615c80fe0@syzkaller.appspotmail.com
Reported-by: Khalid Masum <khalid.masum.92@gmail.com>
Tested-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 2022-10-11 19:05:44 -07:00
Ryusuke Konishi
723ac75120 nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure 
If creation or finalization of a checkpoint fails due to anomalies in the
checkpoint metadata on disk, a kernel warning is generated.

This patch replaces the WARN_ONs by nilfs_error, so that a kernel, booted
with panic_on_warn, does not panic.  A nilfs_error is appropriate here to
handle the abnormal filesystem condition.

This also replaces the detected error codes with an I/O error so that
neither of the internal error codes is returned to callers.

Link: https://lkml.kernel.org/r/20220929123330.19658-1-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+fbb3e0b24e8dae5a16ee@syzkaller.appspotmail.com
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 2022-10-11 18:51:10 -07:00
Linus Torvalds
60bb8154d1 xfs: changes for 6.1-rc1 
This update contains:
 - fixes for filesystem shutdown procedure during a DAX memory
   failure notification
 - bug fixes
 - logic cleanups
 - log message cleanups
 - updates to use vfs{g,u}id_t helpers where appropriate
 
 Signed-off-by: Dave Chinner <david@fromorbit.com>
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Merge tag 'xfs-6.1-for-linus' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs updates from Dave Chinner:
 "There are relatively few updates this cycle; half the cycle was eaten
  by a grue, the other half was eaten by a tricky data corruption issue
  that I still haven't entirely solved.

  Hence there's no major changes in this cycle and it's largely just
  minor cleanups and small bug fixes:

   - fixes for filesystem shutdown procedure during a DAX memory failure
     notification

   - bug fixes

   - logic cleanups

   - log message cleanups

   - updates to use vfs{g,u}id_t helpers where appropriate"

* tag 'xfs-6.1-for-linus' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: on memory failure, only shut down fs after scanning all mappings
  xfs: rearrange the logic and remove the broken comment for xfs_dir2_isxx
  xfs: trim the mapp array accordingly in xfs_da_grow_inode_int
  xfs: do not need to check return value of xlog_kvmalloc()
  xfs: port to vfs{g,u}id_t and associated helpers
  xfs: remove xfs_setattr_time() declaration
  xfs: Remove the unneeded result variable
  xfs: missing space in xfs trace log
  xfs: simplify if-else condition in xfs_reflink_trim_around_shared
  xfs: simplify if-else condition in xfs_validate_new_dalign
  xfs: replace unnecessary seq_printf with seq_puts
  xfs: clean up "%Ld/%Lu" which doesn't meet C standard
  xfs: remove redundant else for clean code
  xfs: remove the redundant word in comment
 2022-10-10 20:32:10 -07:00
Linus Torvalds
5d170fe435 f2fs-for-6.1-rc1 
This round looks fairly small comparing to the previous updates which includes
 mostly minor bug fixes. Nevertheless, as we've still interested in improving
 the stability, Chao added some debugging methods to diagnoze subtle runtime
 inconsistency problem.
 
 Enhancement
  - store all the corruption or failure reasons in superblock
  - detect meta inode, summary info, and block address inconsistency
  - increase the limit for reserve_root for low-end devices
  - add the number of compressed IO in iostat
 
 Bug fix
  - DIO write fix for zoned devices
  - do out-of-place writes for cold files
  - fix some stat updates (FS_CP_DATA_IO, dirty page count)
  - fix race condition on setting FI_NO_EXTENT flag
  - fix data races when freezing super
  - fix wrong continue condition check in GC
  - do not allow ATGC for LFS mode
 
 In addition, there're some code enhancement and clean-ups as usual.
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Merge tag 'f2fs-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "This round looks fairly small comparing to the previous updates and
  includes mostly minor bug fixes. Nevertheless, as we've still
  interested in improving the stability, Chao added some debugging
  methods to diagnoze subtle runtime inconsistency problem.

  Enhancements:
   - store all the corruption or failure reasons in superblock
   - detect meta inode, summary info, and block address inconsistency
   - increase the limit for reserve_root for low-end devices
   - add the number of compressed IO in iostat

  Bug fixes:
   - DIO write fix for zoned devices
   - do out-of-place writes for cold files
   - fix some stat updates (FS_CP_DATA_IO, dirty page count)
   - fix race condition on setting FI_NO_EXTENT flag
   - fix data races when freezing super
   - fix wrong continue condition check in GC
   - do not allow ATGC for LFS mode

  In addition, there're some code enhancement and clean-ups as usual"

* tag 'f2fs-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (32 commits)
  f2fs: change to use atomic_t type form sbi.atomic_files
  f2fs: account swapfile inodes
  f2fs: allow direct read for zoned device
  f2fs: support recording errors into superblock
  f2fs: support recording stop_checkpoint reason into super_block
  f2fs: remove the unnecessary check in f2fs_xattr_fiemap
  f2fs: introduce cp_status sysfs entry
  f2fs: fix to detect corrupted meta ino
  f2fs: fix to account FS_CP_DATA_IO correctly
  f2fs: code clean and fix a type error
  f2fs: add "c_len" into trace_f2fs_update_extent_tree_range for compressed file
  f2fs: fix to do sanity check on summary info
  f2fs: port to vfs{g,u}id_t and associated helpers
  f2fs: fix to do sanity check on destination blkaddr during recovery
  f2fs: let FI_OPU_WRITE override FADVISE_COLD_BIT
  f2fs: fix race condition on setting FI_NO_EXTENT flag
  f2fs: remove redundant check in f2fs_sanity_check_cluster
  f2fs: add static init_idisk_time function to reduce the code
  f2fs: fix typo
  f2fs: fix wrong dirty page count when race between mmap and fallocate.
  ...
 2022-10-10 20:28:41 -07:00
Linus Torvalds
288fc86067 gfs2 debugfs improvements 
- Improve the way how the state of glocks is reported in debugfs
   for glocks which are not held by processes, but rather by other
   resouces like cached inodes or flocks.
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Merge tag 'gfs2-nopid-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 debugfs updates from Andreas Gruenbacher:

 - Improve the way how the state of glocks is reported in debugfs for
   glocks which are not held by processes, but rather by other resouces
   like cached inodes or flocks.

* tag 'gfs2-nopid-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Mark the remaining process-independent glock holders as GL_NOPID
  gfs2: Mark flock glock holders as GL_NOPID
  gfs2: Add GL_NOPID flag for process-independent glock holders
  gfs2: Add flocks to glockfd debugfs file
  gfs2: Add glockfd debugfs file
 2022-10-10 20:13:22 -07:00
Linus Torvalds
4875d2ffb0 gfs2 fixes 
- Make sure to initialize the filesystem work queues before registering
   the filesystem; this prevents them from being used uninitialized.
 
 - On filesystem withdraw: prevent a a double iput() and immediately
   reject pending locking requests that can no longer succeed.
 
 - Use TRY lock in gfs2_inode_lookup() to prevent a rare glock hang
   during evict.
 
 - During filesystem mount, explicitly make sure that the sb_bsize and
   sb_bsize_shift super block fields are consistent with each other.
   This prevents messy error messages during fuzz testing.
 
 - Switch from strlcpy to strscpy.
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Merge tag 'gfs2-v6.0-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Andreas Gruenbacher:

 - Make sure to initialize the filesystem work queues before registering
   the filesystem; this prevents them from being used uninitialized.

 - On filesystem withdraw: prevent a a double iput() and immediately
   reject pending locking requests that can no longer succeed.

 - Use TRY lock in gfs2_inode_lookup() to prevent a rare glock hang
   during evict.

 - During filesystem mount, explicitly make sure that the sb_bsize and
   sb_bsize_shift super block fields are consistent with each other.
   This prevents messy error messages during fuzz testing.

 - Switch from strlcpy to strscpy.

* tag 'gfs2-v6.0-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Register fs after creating workqueues
  gfs2: Check sb_bsize_shift after reading superblock
  gfs2: Switch from strlcpy to strscpy
  gfs2: Clear flags when withdraw prevents xmote
  gfs2: Dequeue waiters when withdrawn
  gfs2: Prevent double iput for journal on error
  gfs2: Use TRY lock in gfs2_inode_lookup for UNLINKED inodes
 2022-10-10 20:08:52 -07:00
Linus Torvalds
ac1e8c6c95 21 cifs/smb3 fixes, including 4 for stable 
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Merge tag '6.1-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs updates from Steve French:

 - data corruption fix when cache disabled

 - four RDMA (smbdirect) improvements, including enabling support for
   SoftiWARP

 - four signing improvements

 - three directory lease improvements

 - four cleanup fixes

 - minor security fix

 - two debugging improvements

* tag '6.1-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6: (21 commits)
  smb3: fix oops in calculating shash_setkey
  cifs: secmech: use shash_desc directly, remove sdesc
  smb3: rename encryption/decryption TFMs
  cifs: replace kfree() with kfree_sensitive() for sensitive data
  cifs: remove initialization value
  cifs: Replace a couple of one-element arrays with flexible-array members
  smb3: do not log confusing message when server returns no network interfaces
  smb3: define missing create contexts
  cifs: store a pointer to a fid in the cfid structure instead of the struct
  cifs: improve handlecaching
  cifs: Make tcon contain a wrapper structure cached_fids instead of cached_fid
  smb3: add dynamic trace points for tree disconnect
  Fix formatting of client smbdirect RDMA logging
  Handle variable number of SGEs in client smbdirect send.
  Reduce client smbdirect max receive segment size
  Decrease the number of SMB3 smbdirect client SGEs
  cifs: Fix the error length of VALIDATE_NEGOTIATE_INFO message
  cifs: destage dirty pages before re-reading them for cache=none
  cifs: return correct error in ->calc_signature()
  MAINTAINERS: Add Tom Talpey as cifs.ko reviewer
  ...
 2022-10-10 20:04:22 -07:00
Linus Torvalds
dc91485856 Follow-up: 
- filecache code clean-ups
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Merge tag 'nfsd-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull more nfsd updates from Chuck Lever:

 - filecache code clean-ups

* tag 'nfsd-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  nfsd: rework hashtable handling in nfsd_do_file_acquire
  nfsd: fix nfsd_file_unhash_and_dispose
 2022-10-10 19:58:04 -07:00
Linus Torvalds
f721d24e5d tmpfile API change 
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Merge tag 'pull-tmpfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs tmpfile updates from Al Viro:
 "Miklos' ->tmpfile() signature change; pass an unopened struct file to
  it, let it open the damn thing. Allows to add tmpfile support to FUSE"

* tag 'pull-tmpfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fuse: implement ->tmpfile()
  vfs: open inside ->tmpfile()
  vfs: move open right after ->tmpfile()
  vfs: make vfs_tmpfile() static
  ovl: use vfs_tmpfile_open() helper
  cachefiles: use vfs_tmpfile_open() helper
  cachefiles: only pass inode to *mark_inode_inuse() helpers
  cachefiles: tmpfile error handling cleanup
  hugetlbfs: cleanup mknod and tmpfile
  vfs: add vfs_tmpfile_open() helper
 2022-10-10 19:45:17 -07:00
Linus Torvalds
27bc50fc90 - Yu Zhao's Multi-Gen LRU patches are here. They've been under test in 
linux-next for a couple of months without, to my knowledge, any negative
   reports (or any positive ones, come to that).
 
 - Also the Maple Tree from Liam R.  Howlett.  An overlapping range-based
   tree for vmas.  It it apparently slight more efficient in its own right,
   but is mainly targeted at enabling work to reduce mmap_lock contention.
 
   Liam has identified a number of other tree users in the kernel which
   could be beneficially onverted to mapletrees.
 
   Yu Zhao has identified a hard-to-hit but "easy to fix" lockdep splat
   (https://lkml.kernel.org/r/CAOUHufZabH85CeUN-MEMgL8gJGzJEWUrkiM58JkTbBhh-jew0Q@mail.gmail.com).
   This has yet to be addressed due to Liam's unfortunately timed
   vacation.  He is now back and we'll get this fixed up.
 
 - Dmitry Vyukov introduces KMSAN: the Kernel Memory Sanitizer.  It uses
   clang-generated instrumentation to detect used-unintialized bugs down to
   the single bit level.
 
   KMSAN keeps finding bugs.  New ones, as well as the legacy ones.
 
 - Yang Shi adds a userspace mechanism (madvise) to induce a collapse of
   memory into THPs.
 
 - Zach O'Keefe has expanded Yang Shi's madvise(MADV_COLLAPSE) to support
   file/shmem-backed pages.
 
 - userfaultfd updates from Axel Rasmussen
 
 - zsmalloc cleanups from Alexey Romanov
 
 - cleanups from Miaohe Lin: vmscan, hugetlb_cgroup, hugetlb and memory-failure
 
 - Huang Ying adds enhancements to NUMA balancing memory tiering mode's
   page promotion, with a new way of detecting hot pages.
 
 - memcg updates from Shakeel Butt: charging optimizations and reduced
   memory consumption.
 
 - memcg cleanups from Kairui Song.
 
 - memcg fixes and cleanups from Johannes Weiner.
 
 - Vishal Moola provides more folio conversions
 
 - Zhang Yi removed ll_rw_block() :(
 
 - migration enhancements from Peter Xu
 
 - migration error-path bugfixes from Huang Ying
 
 - Aneesh Kumar added ability for a device driver to alter the memory
   tiering promotion paths.  For optimizations by PMEM drivers, DRM
   drivers, etc.
 
 - vma merging improvements from Jakub Matěn.
 
 - NUMA hinting cleanups from David Hildenbrand.
 
 - xu xin added aditional userspace visibility into KSM merging activity.
 
 - THP & KSM code consolidation from Qi Zheng.
 
 - more folio work from Matthew Wilcox.
 
 - KASAN updates from Andrey Konovalov.
 
 - DAMON cleanups from Kaixu Xia.
 
 - DAMON work from SeongJae Park: fixes, cleanups.
 
 - hugetlb sysfs cleanups from Muchun Song.
 
 - Mike Kravetz fixes locking issues in hugetlbfs and in hugetlb core.
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Merge tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
   linux-next for a couple of months without, to my knowledge, any
   negative reports (or any positive ones, come to that).

 - Also the Maple Tree from Liam Howlett. An overlapping range-based
   tree for vmas. It it apparently slightly more efficient in its own
   right, but is mainly targeted at enabling work to reduce mmap_lock
   contention.

   Liam has identified a number of other tree users in the kernel which
   could be beneficially onverted to mapletrees.

   Yu Zhao has identified a hard-to-hit but "easy to fix" lockdep splat
   at [1]. This has yet to be addressed due to Liam's unfortunately
   timed vacation. He is now back and we'll get this fixed up.

 - Dmitry Vyukov introduces KMSAN: the Kernel Memory Sanitizer. It uses
   clang-generated instrumentation to detect used-unintialized bugs down
   to the single bit level.

   KMSAN keeps finding bugs. New ones, as well as the legacy ones.

 - Yang Shi adds a userspace mechanism (madvise) to induce a collapse of
   memory into THPs.

 - Zach O'Keefe has expanded Yang Shi's madvise(MADV_COLLAPSE) to
   support file/shmem-backed pages.

 - userfaultfd updates from Axel Rasmussen

 - zsmalloc cleanups from Alexey Romanov

 - cleanups from Miaohe Lin: vmscan, hugetlb_cgroup, hugetlb and
   memory-failure

 - Huang Ying adds enhancements to NUMA balancing memory tiering mode's
   page promotion, with a new way of detecting hot pages.

 - memcg updates from Shakeel Butt: charging optimizations and reduced
   memory consumption.

 - memcg cleanups from Kairui Song.

 - memcg fixes and cleanups from Johannes Weiner.

 - Vishal Moola provides more folio conversions

 - Zhang Yi removed ll_rw_block() :(

 - migration enhancements from Peter Xu

 - migration error-path bugfixes from Huang Ying

 - Aneesh Kumar added ability for a device driver to alter the memory
   tiering promotion paths. For optimizations by PMEM drivers, DRM
   drivers, etc.

 - vma merging improvements from Jakub Matěn.

 - NUMA hinting cleanups from David Hildenbrand.

 - xu xin added aditional userspace visibility into KSM merging
   activity.

 - THP & KSM code consolidation from Qi Zheng.

 - more folio work from Matthew Wilcox.

 - KASAN updates from Andrey Konovalov.

 - DAMON cleanups from Kaixu Xia.

 - DAMON work from SeongJae Park: fixes, cleanups.

 - hugetlb sysfs cleanups from Muchun Song.

 - Mike Kravetz fixes locking issues in hugetlbfs and in hugetlb core.

Link: https://lkml.kernel.org/r/CAOUHufZabH85CeUN-MEMgL8gJGzJEWUrkiM58JkTbBhh-jew0Q@mail.gmail.com [1]

* tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (555 commits)
  hugetlb: allocate vma lock for all sharable vmas
  hugetlb: take hugetlb vma_lock when clearing vma_lock->vma pointer
  hugetlb: fix vma lock handling during split vma and range unmapping
  mglru: mm/vmscan.c: fix imprecise comments
  mm/mglru: don't sync disk for each aging cycle
  mm: memcontrol: drop dead CONFIG_MEMCG_SWAP config symbol
  mm: memcontrol: use do_memsw_account() in a few more places
  mm: memcontrol: deprecate swapaccounting=0 mode
  mm: memcontrol: don't allocate cgroup swap arrays when memcg is disabled
  mm/secretmem: remove reduntant return value
  mm/hugetlb: add available_huge_pages() func
  mm: remove unused inline functions from include/linux/mm_inline.h
  selftests/vm: add selftest for MADV_COLLAPSE of uffd-minor memory
  selftests/vm: add file/shmem MADV_COLLAPSE selftest for cleared pmd
  selftests/vm: add thp collapse shmem testing
  selftests/vm: add thp collapse file and tmpfs testing
  selftests/vm: modularize thp collapse memory operations
  selftests/vm: dedup THP helpers
  mm/khugepaged: add tracepoint to hpage_collapse_scan_file()
  mm/madvise: add file and shmem support to MADV_COLLAPSE
  ...
 2022-10-10 17:53:04 -07:00
Linus Torvalds
e2302539dd Xtensa updates for v6.1 
- add support for FDPIC and static PIE executable formats for noMMU
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Merge tag 'xtensa-20221010' of https://github.com/jcmvbkbc/linux-xtensa

Pull xtensa updates from Max Filippov:

 - add support for FDPIC and static PIE executable formats for noMMU

* tag 'xtensa-20221010' of https://github.com/jcmvbkbc/linux-xtensa:
  xtensa: add FDPIC and static PIE support for noMMU
  xtensa: clean up ELF_PLAT_INIT macro
 2022-10-10 14:21:11 -07:00
Linus Torvalds
d4013bc4d4 bitmap patches for v6.1-rc1 
From Phil Auld:
 drivers/base: Fix unsigned comparison to -1 in CPUMAP_FILE_MAX_BYTES
 
 From me:
 cpumask: cleanup nr_cpu_ids vs nr_cpumask_bits mess
 
 This series cleans that mess and adds new config FORCE_NR_CPUS that
 allows to optimize cpumask subsystem if the number of CPUs is known
 at compile-time.
 
 From me:
 lib: optimize find_bit() functions
 
 Reworks find_bit() functions based on new FIND_{FIRST,NEXT}_BIT() macros.
 
 From me:
 lib/find: add find_nth_bit()
 
 Adds find_nth_bit(), which is ~70 times faster than bitcounting with
 for_each() loop:
         for_each_set_bit(bit, mask, size)
                 if (n-- == 0)
                         return bit;
 
 Also adds bitmap_weight_and() to let people replace this pattern:
 	tmp = bitmap_alloc(nbits);
 	bitmap_and(tmp, map1, map2, nbits);
 	weight = bitmap_weight(tmp, nbits);
 	bitmap_free(tmp);
 with a single bitmap_weight_and() call.
 
 From me:
 cpumask: repair cpumask_check()
 
 After switching cpumask to use nr_cpu_ids, cpumask_check() started
 generating many false-positive warnings. This series fixes it.
 
 From Valentin Schneider:
 bitmap,cpumask: Add for_each_cpu_andnot() and for_each_cpu_andnot()
 
 Extends the API with one more function and applies it in sched/core.
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Merge tag 'bitmap-6.1-rc1' of https://github.com/norov/linux

Pull bitmap updates from Yury Norov:

 - Fix unsigned comparison to -1 in CPUMAP_FILE_MAX_BYTES (Phil Auld)

 - cleanup nr_cpu_ids vs nr_cpumask_bits mess (me)

   This series cleans that mess and adds new config FORCE_NR_CPUS that
   allows to optimize cpumask subsystem if the number of CPUs is known
   at compile-time.

 - optimize find_bit() functions (me)

   Reworks find_bit() functions based on new FIND_{FIRST,NEXT}_BIT()
   macros.

 - add find_nth_bit() (me)

   Adds find_nth_bit(), which is ~70 times faster than bitcounting with
   for_each() loop:

	for_each_set_bit(bit, mask, size)
		if (n-- == 0)
			return bit;

   Also adds bitmap_weight_and() to let people replace this pattern:

	tmp = bitmap_alloc(nbits);
	bitmap_and(tmp, map1, map2, nbits);
	weight = bitmap_weight(tmp, nbits);
	bitmap_free(tmp);

   with a single bitmap_weight_and() call.

 - repair cpumask_check() (me)

   After switching cpumask to use nr_cpu_ids, cpumask_check() started
   generating many false-positive warnings. This series fixes it.

 - Add for_each_cpu_andnot() and for_each_cpu_andnot() (Valentin
   Schneider)

   Extends the API with one more function and applies it in sched/core.

* tag 'bitmap-6.1-rc1' of https://github.com/norov/linux: (28 commits)
  sched/core: Merge cpumask_andnot()+for_each_cpu() into for_each_cpu_andnot()
  lib/test_cpumask: Add for_each_cpu_and(not) tests
  cpumask: Introduce for_each_cpu_andnot()
  lib/find_bit: Introduce find_next_andnot_bit()
  cpumask: fix checking valid cpu range
  lib/bitmap: add tests for for_each() loops
  lib/find: optimize for_each() macros
  lib/bitmap: introduce for_each_set_bit_wrap() macro
  lib/find_bit: add find_next{,_and}_bit_wrap
  cpumask: switch for_each_cpu{,_not} to use for_each_bit()
  net: fix cpu_max_bits_warn() usage in netif_attrmask_next{,_and}
  cpumask: add cpumask_nth_{,and,andnot}
  lib/bitmap: remove bitmap_ord_to_pos
  lib/bitmap: add tests for find_nth_bit()
  lib: add find_nth{,_and,_andnot}_bit()
  lib/bitmap: add bitmap_weight_and()
  lib/bitmap: don't call __bitmap_weight() in kernel code
  tools: sync find_bit() implementation
  lib/find_bit: optimize find_next_bit() functions
  lib/find_bit: create find_first_zero_bit_le()
  ...
 2022-10-10 12:49:34 -07:00
Linus Torvalds
dc55342867 sysctl changes for v6.1-rc1 
Just some boring cleanups on the sysctl front for this release.
 This has been on linux-next for at least 4 weeks now.
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Merge tag 'sysctl-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull sysctl updates from Luis Chamberlain:
 "Just some boring cleanups on the sysctl front for this release"

* tag 'sysctl-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  kernel/sysctl-test: use SYSCTL_{ZERO/ONE_HUNDRED} instead of i_{zero/one_hundred}
  kernel/sysctl.c: move sysctl_vals and sysctl_long_vals to sysctl.c
  sysctl: remove max_extfrag_threshold
  kernel/sysctl.c: remove unnecessary (void*) conversions
  proc: remove initialization assignment
 2022-10-10 12:18:28 -07:00
Linus Torvalds
b520410654 printk changes for 6.1 
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Merge tag 'printk-for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Initialize pointer hashing using the system workqueue. It avoids
   taking locks in printk()/vsprintf() code path

 - Misc code clean up

* tag 'printk-for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk: Mark __printk percpu data ready __ro_after_init
  printk: Remove bogus comment vs. boot consoles
  printk: Remove write only variable nr_ext_console_drivers
  printk: Declare log_wait properly
  printk: Make pr_flush() static
  lib/vsprintf: Initialize vsprintf's pointer hash once the random core is ready.
  lib/vsprintf: Remove static_branch_likely() from __ptr_to_hashval().
  lib/vnsprintf: add const modifier for param 'bitmap'
 2022-10-10 11:24:19 -07:00
Linus Torvalds
7f6dcffb44 Preempt RT cleanups: 
Introduce preempt_[dis|enable_nested() and use it to clean up
  various places which have open coded PREEMPT_RT conditionals.
 
  On PREEMPT_RT enabled kernels, spinlocks and rwlocks are neither disabling
  preemption nor interrupts. Though there are a few places which depend on
  the implicit preemption/interrupt disable of those locks, e.g. seqcount
  write sections, per CPU statistics updates etc.
 
  PREEMPT_RT added open coded CONFIG_PREEMPT_RT conditionals to
  disable/enable preemption in the related code parts all over the
  place. That's hard to read and does not really explain why this is
  necessary.
 
  Linus suggested to use helper functions (preempt_disable_nested() and
  preempt_enable_nested()) and use those in the affected places. On !RT
  enabled kernels these functions are NOPs, but contain a lockdep assert to
  validate that preemption is actually disabled to catch call sites which
  do not have preemption disabled.
 
  Clean up the affected code paths in mm, dentry and lib.
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Merge tag 'sched-rt-2022-10-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull preempt RT updates from Thomas Gleixner:
 "Introduce preempt_[dis|enable_nested() and use it to clean up various
  places which have open coded PREEMPT_RT conditionals.

  On PREEMPT_RT enabled kernels, spinlocks and rwlocks are neither
  disabling preemption nor interrupts. Though there are a few places
  which depend on the implicit preemption/interrupt disable of those
  locks, e.g. seqcount write sections, per CPU statistics updates etc.

  PREEMPT_RT added open coded CONFIG_PREEMPT_RT conditionals to
  disable/enable preemption in the related code parts all over the
  place. That's hard to read and does not really explain why this is
  necessary.

  Linus suggested to use helper functions (preempt_disable_nested() and
  preempt_enable_nested()) and use those in the affected places. On !RT
  enabled kernels these functions are NOPs, but contain a lockdep assert
  to validate that preemption is actually disabled to catch call sites
  which do not have preemption disabled.

  Clean up the affected code paths in mm, dentry and lib"

* tag 'sched-rt-2022-10-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  u64_stats: Streamline the implementation
  flex_proportions: Disable preemption entering the write section.
  mm/compaction: Get rid of RT ifdeffery
  mm/memcontrol: Replace the PREEMPT_RT conditionals
  mm/debug: Provide VM_WARN_ON_IRQS_ENABLED()
  mm/vmstat: Use preempt_[dis|en]able_nested()
  dentry: Use preempt_[dis|en]able_nested()
  preempt: Provide preempt_[dis|en]able_nested()
 2022-10-10 10:03:24 -07:00
Linus Torvalds
30c999937f Scheduler changes for v6.1: 
- Debuggability:
 
      - Change most occurances of BUG_ON() to WARN_ON_ONCE()
 
      - Reorganize & fix TASK_ state comparisons, turn it into a bitmap
 
      - Update/fix misc scheduler debugging facilities
 
  - Load-balancing & regular scheduling:
 
      - Improve the behavior of the scheduler in presence of lot of
        SCHED_IDLE tasks - in particular they should not impact other
        scheduling classes.
 
      - Optimize task load tracking, cleanups & fixes
 
      - Clean up & simplify misc load-balancing code
 
  - Freezer:
 
      - Rewrite the core freezer to behave better wrt thawing and be simpler
        in general, by replacing PF_FROZEN with TASK_FROZEN & fixing/adjusting
        all the fallout.
 
  - Deadline scheduler:
 
      - Fix the DL capacity-aware code
 
      - Factor out dl_task_is_earliest_deadline() & replenish_dl_new_period()
 
      - Relax/optimize locking in task_non_contending()
 
  - Cleanups:
 
      - Factor out the update_current_exec_runtime() helper
 
      - Various cleanups, simplifications
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2022-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:
 "Debuggability:

   - Change most occurances of BUG_ON() to WARN_ON_ONCE()

   - Reorganize & fix TASK_ state comparisons, turn it into a bitmap

   - Update/fix misc scheduler debugging facilities

  Load-balancing & regular scheduling:

   - Improve the behavior of the scheduler in presence of lot of
     SCHED_IDLE tasks - in particular they should not impact other
     scheduling classes.

   - Optimize task load tracking, cleanups & fixes

   - Clean up & simplify misc load-balancing code

  Freezer:

   - Rewrite the core freezer to behave better wrt thawing and be
     simpler in general, by replacing PF_FROZEN with TASK_FROZEN &
     fixing/adjusting all the fallout.

  Deadline scheduler:

   - Fix the DL capacity-aware code

   - Factor out dl_task_is_earliest_deadline() &
     replenish_dl_new_period()

   - Relax/optimize locking in task_non_contending()

  Cleanups:

   - Factor out the update_current_exec_runtime() helper

   - Various cleanups, simplifications"

* tag 'sched-core-2022-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
  sched: Fix more TASK_state comparisons
  sched: Fix TASK_state comparisons
  sched/fair: Move call to list_last_entry() in detach_tasks
  sched/fair: Cleanup loop_max and loop_break
  sched/fair: Make sure to try to detach at least one movable task
  sched: Show PF_flag holes
  freezer,sched: Rewrite core freezer logic
  sched: Widen TAKS_state literals
  sched/wait: Add wait_event_state()
  sched/completion: Add wait_for_completion_state()
  sched: Add TASK_ANY for wait_task_inactive()
  sched: Change wait_task_inactive()s match_state
  freezer,umh: Clean up freezer/initrd interaction
  freezer: Have {,un}lock_system_sleep() save/restore flags
  sched: Rename task_running() to task_on_cpu()
  sched/fair: Cleanup for SIS_PROP
  sched/fair: Default to false in test_idle_cores()
  sched/fair: Remove useless check in select_idle_core()
  sched/fair: Avoid double search on same cpu
  sched/fair: Remove redundant check in select_idle_smt()
  ...
 2022-10-10 09:10:28 -07:00
Linus Torvalds
493ffd6605 ucounts: Split rlimit and ucount values and max values 
After the ucount rlimit code was merged a bunch of small but
 siginificant bugs were found and fixed.  At the time it was realized
 that part of the problem was that while the ucount rlimits were very
 similar to the oridinary ucounts (in being nested counts with limits)
 the semantics were slightly different and the code would be less error
 prone if there was less sharing.  This is the long awaited cleanup
 that should hopefully keep things more comprehensible and less error
 prone for whoever needs to touch that code next.
 
 Alexey Gladkov (1):
       ucounts: Split rlimit and ucount values and max values
 
  fs/exec.c                      |  2 +-
  fs/proc/array.c                |  2 +-
  include/linux/user_namespace.h | 35 ++++++++++++++++++++++-------------
  kernel/fork.c                  | 12 ++++++------
  kernel/sys.c                   |  2 +-
  kernel/ucount.c                | 34 +++++++++++++++-------------------
  kernel/user_namespace.c        | 10 +++++-----
  7 files changed, 51 insertions(+), 46 deletions(-)
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Merge tag 'ucount-rlimits-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

Pull ucounts update from Eric Biederman:
 "Split rlimit and ucount values and max values

  After the ucount rlimit code was merged a bunch of small but
  siginificant bugs were found and fixed. At the time it was realized
  that part of the problem was that while the ucount rlimits were very
  similar to the oridinary ucounts (in being nested counts with limits)
  the semantics were slightly different and the code would be less error
  prone if there was less sharing.

  This is the long awaited cleanup that should hopefully keep things
  more comprehensible and less error prone for whoever needs to touch
  that code next"

* tag 'ucount-rlimits-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  ucounts: Split rlimit and ucount values and max values
 2022-10-09 16:24:05 -07:00
Linus Torvalds
e572410e47 ptrace: Stop supporting SIGKILL for PTRACE_EVENT_EXIT 
Recently I had a conversation where it was pointed out to me that
 SIGKILL sent to a tracee stropped in PTRACE_EVENT_EXIT is quite
 difficult for a tracer to handle.
 
 Keeping SIGKILL working after the process has been killed is pain
 from an implementation point of view.
 
 So since the debuggers don't want this behavior let's see if we can
 remove this wart for the userspace API
 
 If a regression is detected it should only need to be the last change
 that is the reverted.  The other two are just general cleanups that
 make the last patch simpler.
 
 Eric W. Biederman (3):
       signal: Ensure SIGNAL_GROUP_EXIT gets set in do_group_exit
       signal: Guarantee that SIGNAL_GROUP_EXIT is set on process exit
       signal: Drop signals received after a fatal signal has been processed
 
  fs/coredump.c                |  2 +-
  include/linux/sched/signal.h |  1 +
  kernel/exit.c                | 20 +++++++++++++++++++-
  kernel/fork.c                |  2 ++
  kernel/signal.c              |  3 ++-
  5 files changed, 25 insertions(+), 3 deletions(-)
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Merge tag 'signal-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

Pull ptrace update from Eric Biederman:
 "ptrace: Stop supporting SIGKILL for PTRACE_EVENT_EXIT

  Recently I had a conversation where it was pointed out to me that
  SIGKILL sent to a tracee stropped in PTRACE_EVENT_EXIT is quite
  difficult for a tracer to handle.

  Keeping SIGKILL working after the process has been killed is pain from
  an implementation point of view.

  So since the debuggers don't want this behavior let's see if we can
  remove this wart for the userspace API

  If a regression is detected it should only need to be the last change
  that is the reverted. The other two are just general cleanups that
  make the last patch simpler"

* tag 'signal-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  signal: Drop signals received after a fatal signal has been processed
  signal: Guarantee that SIGNAL_GROUP_EXIT is set on process exit
  signal: Ensure SIGNAL_GROUP_EXIT gets set in do_group_exit
 2022-10-09 16:14:15 -07:00
Andreas Gruenbacher
c7d7d2d345 gfs2: Merge branch 'for-next.nopid' into for-next 
Resolves a conflict in gfs2_inode_lookup() between the following commits:

    gfs2: Use TRY lock in gfs2_inode_lookup for UNLINKED inodes

    gfs2: Mark the remaining process-independent glock holders as GL_NOPID

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2022-10-09 22:56:28 +02:00
Linus Torvalds
ef688f8b8c The first batch of KVM patches, mostly covering x86, which I 
am sending out early due to me travelling next week.  There is a
 lone mm patch for which Andrew gave an informal ack at
 https://lore.kernel.org/linux-mm/20220817102500.440c6d0a3fce296fdf91bea6@linux-foundation.org.
 
 I will send the bulk of ARM work, as well as other
 architectures, at the end of next week.
 
 ARM:
 
 * Account stage2 page table allocations in memory stats.
 
 x86:
 
 * Account EPT/NPT arm64 page table allocations in memory stats.
 
 * Tracepoint cleanups/fixes for nested VM-Enter and emulated MSR accesses.
 
 * Drop eVMCS controls filtering for KVM on Hyper-V, all known versions of
   Hyper-V now support eVMCS fields associated with features that are
   enumerated to the guest.
 
 * Use KVM's sanitized VMCS config as the basis for the values of nested VMX
   capabilities MSRs.
 
 * A myriad event/exception fixes and cleanups.  Most notably, pending
   exceptions morph into VM-Exits earlier, as soon as the exception is
   queued, instead of waiting until the next vmentry.  This fixed
   a longstanding issue where the exceptions would incorrecly become
   double-faults instead of triggering a vmexit; the common case of
   page-fault vmexits had a special workaround, but now it's fixed
   for good.
 
 * A handful of fixes for memory leaks in error paths.
 
 * Cleanups for VMREAD trampoline and VMX's VM-Exit assembly flow.
 
 * Never write to memory from non-sleepable kvm_vcpu_check_block()
 
 * Selftests refinements and cleanups.
 
 * Misc typo cleanups.
 
 Generic:
 
 * remove KVM_REQ_UNHALT
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "The first batch of KVM patches, mostly covering x86.

  ARM:

   - Account stage2 page table allocations in memory stats

  x86:

   - Account EPT/NPT arm64 page table allocations in memory stats

   - Tracepoint cleanups/fixes for nested VM-Enter and emulated MSR
     accesses

   - Drop eVMCS controls filtering for KVM on Hyper-V, all known
     versions of Hyper-V now support eVMCS fields associated with
     features that are enumerated to the guest

   - Use KVM's sanitized VMCS config as the basis for the values of
     nested VMX capabilities MSRs

   - A myriad event/exception fixes and cleanups. Most notably, pending
     exceptions morph into VM-Exits earlier, as soon as the exception is
     queued, instead of waiting until the next vmentry. This fixed a
     longstanding issue where the exceptions would incorrecly become
     double-faults instead of triggering a vmexit; the common case of
     page-fault vmexits had a special workaround, but now it's fixed for
     good

   - A handful of fixes for memory leaks in error paths

   - Cleanups for VMREAD trampoline and VMX's VM-Exit assembly flow

   - Never write to memory from non-sleepable kvm_vcpu_check_block()

   - Selftests refinements and cleanups

   - Misc typo cleanups

  Generic:

   - remove KVM_REQ_UNHALT"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (94 commits)
  KVM: remove KVM_REQ_UNHALT
  KVM: mips, x86: do not rely on KVM_REQ_UNHALT
  KVM: x86: never write to memory from kvm_vcpu_check_block()
  KVM: x86: Don't snapshot pending INIT/SIPI prior to checking nested events
  KVM: nVMX: Make event request on VMXOFF iff INIT/SIPI is pending
  KVM: nVMX: Make an event request if INIT or SIPI is pending on VM-Enter
  KVM: SVM: Make an event request if INIT or SIPI is pending when GIF is set
  KVM: x86: lapic does not have to process INIT if it is blocked
  KVM: x86: Rename kvm_apic_has_events() to make it INIT/SIPI specific
  KVM: x86: Rename and expose helper to detect if INIT/SIPI are allowed
  KVM: nVMX: Make an event request when pending an MTF nested VM-Exit
  KVM: x86: make vendor code check for all nested events
  mailmap: Update Oliver's email address
  KVM: x86: Allow force_emulation_prefix to be written without a reload
  KVM: selftests: Add an x86-only test to verify nested exception queueing
  KVM: selftests: Use uapi header to get VMX and SVM exit reasons/codes
  KVM: x86: Rename inject_pending_events() to kvm_check_and_inject_events()
  KVM: VMX: Update MTF and ICEBP comments to document KVM's subtle behavior
  KVM: x86: Treat pending TRIPLE_FAULT requests as pending exceptions
  KVM: x86: Morph pending exceptions to pending VM-Exits at queue time
  ...
 2022-10-09 09:39:55 -07:00
Steve French
958553d134 smb3: fix oops in calculating shash_setkey 
shash was not being initialized in one place in smb3_calc_signature
and smb2_calc_signature

Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Acked-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
 2022-10-07 23:08:41 -05:00
Enzo Matsumiya
1f3d5477b9 cifs: secmech: use shash_desc directly, remove sdesc 
The struct sdesc is just a wrapper around shash_desc, with exact same
memory layout. Replace the hashing TFMs with shash_desc as it's what's
passed to the crypto API anyway.

Also remove the crypto_shash pointers as they can be accessed via
shash_desc->tfm (and are actually only used in the setkey calls).

Adapt cifs_{alloc,free}_hash functions to this change.

Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
 2022-10-07 23:08:39 -05:00
Enzo Matsumiya
8698baa1b7 smb3: rename encryption/decryption TFMs 
Detach the TFM name from a specific algorithm (AES-CCM) as
AES-GCM is also supported, making the name misleading.

s/ccmaesencrypt/enc/
s/ccmaesdecrypt/dec/

Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
 2022-10-07 23:08:37 -05:00
Enzo Matsumiya
a4e430c8c8 cifs: replace kfree() with kfree_sensitive() for sensitive data 
Replace kfree with kfree_sensitive, or prepend memzero_explicit() in
other cases, when freeing sensitive material that could still be left
in memory.

Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Reported-by: kernel test robot <oliver.sang@intel.com>
Link: https://lore.kernel.org/r/202209201529.ec633796-oliver.sang@intel.com
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
 2022-10-07 23:06:48 -05:00
Linus Torvalds
e8bc52cb8d Driver core changes for 6.1-rc1 
Here is the big set of driver core and debug printk changes for 6.1-rc1.
 Included in here is:
 	- dynamic debug updates for the core and the drm subsystem.  The
 	  drm changes have all been acked by the relevant maintainers.
 	- kernfs fixes for syzbot reported problems
 	- kernfs refactors and updates for cgroup requirements
 	- magic number cleanups and removals from the kernel tree (they
 	  were not being used and they really did not actually do
 	  anything.)
 	- other tiny cleanups
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the big set of driver core and debug printk changes for
  6.1-rc1. Included in here is:

   - dynamic debug updates for the core and the drm subsystem. The drm
     changes have all been acked by the relevant maintainers

   - kernfs fixes for syzbot reported problems

   - kernfs refactors and updates for cgroup requirements

   - magic number cleanups and removals from the kernel tree (they were
     not being used and they really did not actually do anything)

   - other tiny cleanups

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'driver-core-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (74 commits)
  docs: filesystems: sysfs: Make text and code for ->show() consistent
  Documentation: NBD_REQUEST_MAGIC isn't a magic number
  a.out: restore CMAGIC
  device property: Add const qualifier to device_get_match_data() parameter
  drm_print: add _ddebug descriptor to drm_*dbg prototypes
  drm_print: prefer bare printk KERN_DEBUG on generic fn
  drm_print: optimize drm_debug_enabled for jump-label
  drm-print: add drm_dbg_driver to improve namespace symmetry
  drm-print.h: include dyndbg header
  drm_print: wrap drm_*_dbg in dyndbg descriptor factory macro
  drm_print: interpose drm_*dbg with forwarding macros
  drm: POC drm on dyndbg - use in core, 2 helpers, 3 drivers.
  drm_print: condense enum drm_debug_category
  debugfs: use DEFINE_SHOW_ATTRIBUTE to define debugfs_regset32_fops
  driver core: use IS_ERR_OR_NULL() helper in device_create_groups_vargs()
  Documentation: ENI155_MAGIC isn't a magic number
  Documentation: NBD_REPLY_MAGIC isn't a magic number
  nbd: remove define-only NBD_MAGIC, previously magic number
  Documentation: FW_HEADER_MAGIC isn't a magic number
  Documentation: EEPROM_MAGIC_VALUE isn't a magic number
  ...
 2022-10-07 17:04:10 -07:00
Chao Yu
b4dac1203f f2fs: change to use atomic_t type form sbi.atomic_files 
inode_lock[ATOMIC_FILE] was used for protecting sbi->atomic_files,
update atomic_files variable's type to atomic_t instead of unsigned
int, then inode_lock[ATOMIC_FILE] can be obsoleted.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
 2022-10-07 12:57:26 -07:00
Chao Yu
8ec071c363 f2fs: account swapfile inodes 
In order to check count of opened swapfile inodes.

Signed-off-by: Chao Yu <chao.yu@oppo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
 2022-10-07 12:56:45 -07:00
Linus Torvalds
1227db9eab Core MTD changes: 
* mtdchar: add MEMREAD ioctl
 * Add ECC error accounting for each read request
 * always initialize 'stats' in struct mtd_oob_ops
 * Track maximum number of bitflips for each read request
 * Fix repeated word in comment
 * Move from strlcpy with unused retval to strscpy
 * Fix a typo in a comment
 * Add binding for U-Boot bootloader partitions
 
 MTD device drivers changes:
 * FTL: use container_of() rather than cast
 * docg3:
   - Use correct function names in comment blocks
   - Check the return value of devm_ioremap() in the probe
 * physmap-core: Fix NULL pointer dereferencing in of_select_probe_type()
 * parsers: add Broadcom's U-Boot parser
 
 Raw NAND core changes:
 * Replace of_gpio_named_count() by gpiod_count()
   - Remove misguided comment of nand_get_device()
   - bbt: Use the bitmap API to allocate bitmaps
 
 Raw NAND controller drivers changes:
 * Meson:
   - Stop supporting legacy clocks
   - Refine resource getting in probe
   - Convert bindings to yaml
   - Fix clock handling and update the bindings accordingly
   - Fix bit map use in meson_nfc_ecc_correct()
 * bcm47xx:
   - Fix spelling typo in comment
 * STM32 FMC2:
   - Switch to using devm_fwnode_gpiod_get()
   - Fix dma_map_sg error check
 * Cadence:
   - Remove an unneeded result variable
 * Marvell:
   - Fix error handle regarding dma_map_sg
 * Orion:
   - Use devm_clk_get_optional()
 * Cafe:
   - Use correct function name in comment block
 * Atmel:
   - Unmap streaming DMA mappings
 * Arasan:
   - Stop using 0 as NULL pointer
 * GPMI:
   - Fix typo 'the the' in comment
 * BRCM:
   - Add individual glue driver selection
   - Move Kconfig to driver folder
 * FSL: Fix none ECC mode
 * Intel:
   - Use devm_platform_ioremap_resource_byname()
   - Remove unused clk_rate member from struct ebu_nand
   - Remove unused nand_pa member from ebu_nand_cs
   - Don't re-define NAND_DATA_IFACE_CHECK_ONLY
   - Remove undocumented compatible string
   - Fix compatible string in the bindings
   - Read the chip-select line from the correct OF node
   - Fix maximum chip select value in the bindings
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Merge tag 'mtd/for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Miquel Raynal:
 "Core MTD changes:
   - mtdchar: add MEMREAD ioctl
   - Add ECC error accounting for each read request
   - always initialize 'stats' in struct mtd_oob_ops
   - Track maximum number of bitflips for each read request
   - Fix repeated word in comment
   - Move from strlcpy with unused retval to strscpy
   - Fix a typo in a comment
   - Add binding for U-Boot bootloader partitions

  MTD device drivers changes:
   - FTL: use container_of() rather than cast
   - docg3:
      - Use correct function names in comment blocks
      - Check the return value of devm_ioremap() in the probe
   - physmap-core: Fix NULL pointer dereferencing in
     of_select_probe_type()
   - parsers: add Broadcom's U-Boot parser

  Raw NAND core changes:
   - Replace of_gpio_named_count() by gpiod_count()
   - Remove misguided comment of nand_get_device()
   - bbt: Use the bitmap API to allocate bitmaps

  Raw NAND controller drivers changes:
   - Meson:
      - Stop supporting legacy clocks
      - Refine resource getting in probe
      - Convert bindings to yaml
      - Fix clock handling and update the bindings accordingly
      - Fix bit map use in meson_nfc_ecc_correct()
   - bcm47xx:
      - Fix spelling typo in comment
   - STM32 FMC2:
      - Switch to using devm_fwnode_gpiod_get()
      - Fix dma_map_sg error check
   - Cadence:
      - Remove an unneeded result variable
   - Marvell:
      - Fix error handle regarding dma_map_sg
   - Orion:
      - Use devm_clk_get_optional()
   - Cafe:
      - Use correct function name in comment block
   - Atmel:
      - Unmap streaming DMA mappings
   - Arasan:
      - Stop using 0 as NULL pointer
   - GPMI:
      - Fix typo 'the the' in comment
   - BRCM:
      - Add individual glue driver selection
      - Move Kconfig to driver folder
   - FSL: Fix none ECC mode
   - Intel:
      - Use devm_platform_ioremap_resource_byname()
      - Remove unused clk_rate member from struct ebu_nand
      - Remove unused nand_pa member from ebu_nand_cs
      - Don't re-define NAND_DATA_IFACE_CHECK_ONLY
      - Remove undocumented compatible string
      - Fix compatible string in the bindings
      - Read the chip-select line from the correct OF node
      - Fix maximum chip select value in the bindings"

* tag 'mtd/for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (43 commits)
  mtd: rawnand: meson: stop supporting legacy clocks
  dt-bindings: nand: meson: convert txt to yaml
  mtd: rawnand: meson: refine resource getting in probe
  mtd: rawnand: meson: fix the clock
  dt-bindings: nand: meson: fix meson nfc clock
  mtd: rawnand: bcm47xx: fix spelling typo in comment
  mtd: rawnand: stm32_fmc2: switch to using devm_fwnode_gpiod_get()
  mtd: rawnand: cadence: Remove an unneeded result variable
  mtd: rawnand: Replace of_gpio_named_count() by gpiod_count()
  mtd: rawnand: marvell: Fix error handle regarding dma_map_sg
  mtd: rawnand: stm32_fmc2: Fix dma_map_sg error check
  mtd: rawnand: remove misguided comment of nand_get_device()
  mtd: rawnand: orion: Use devm_clk_get_optional()
  mtd: rawnand: cafe: Use correct function name in comment block
  mtd: rawnand: atmel: Unmap streaming DMA mappings
  mtd: rawnand: meson: fix bit map use in meson_nfc_ecc_correct()
  mtd: rawnand: arasan: stop using 0 as NULL pointer
  mtd: rawnand: gpmi: Fix typo 'the the' in comment
  mtd: rawnand: brcmnand: Add individual glue driver selection
  mtd: rawnand: brcmnand: Move Kconfig to driver folder
  ...
 2022-10-07 11:59:11 -07:00
Linus Torvalds
513389809e for-6.1/block-2022-10-03 
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Merge tag 'for-6.1/block-2022-10-03' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:

 - NVMe pull requests via Christoph:
      - handle number of queue changes in the TCP and RDMA drivers
        (Daniel Wagner)
      - allow changing the number of queues in nvmet (Daniel Wagner)
      - also consider host_iface when checking ip options (Daniel
        Wagner)
      - don't map pages which can't come from HIGHMEM (Fabio M. De
        Francesco)
      - avoid unnecessary flush bios in nvmet (Guixin Liu)
      - shrink and better pack the nvme_iod structure (Keith Busch)
      - add comment for unaligned "fake" nqn (Linjun Bao)
      - print actual source IP address through sysfs "address" attr
        (Martin Belanger)
      - various cleanups (Jackie Liu, Wolfram Sang, Genjian Zhang)
      - handle effects after freeing the request (Keith Busch)
      - copy firmware_rev on each init (Keith Busch)
      - restrict management ioctls to admin (Keith Busch)
      - ensure subsystem reset is single threaded (Keith Busch)
      - report the actual number of tagset maps in nvme-pci (Keith
        Busch)
      - small fabrics authentication fixups (Christoph Hellwig)
      - add common code for tagset allocation and freeing (Christoph
        Hellwig)
      - stop using the request_queue in nvmet (Christoph Hellwig)
      - set min_align_mask before calculating max_hw_sectors (Rishabh
        Bhatnagar)
      - send a rediscover uevent when a persistent discovery controller
        reconnects (Sagi Grimberg)
      - misc nvmet-tcp fixes (Varun Prakash, zhenwei pi)

 - MD pull request via Song:
      - Various raid5 fix and clean up, by Logan Gunthorpe and David
        Sloan.
      - Raid10 performance optimization, by Yu Kuai.

 - sbitmap wakeup hang fixes (Hugh, Keith, Jan, Yu)

 - IO scheduler switching quisce fix (Keith)

 - s390/dasd block driver updates (Stefan)

 - support for recovery for the ublk driver (ZiyangZhang)

 - rnbd drivers fixes and updates (Guoqing, Santosh, ye, Christoph)

 - blk-mq and null_blk map fixes (Bart)

 - various bcache fixes (Coly, Jilin, Jules)

 - nbd signal hang fix (Shigeru)

 - block writeback throttling fix (Yu)

 - optimize the passthrough mapping handling (me)

 - prepare block cgroups to being gendisk based (Christoph)

 - get rid of an old PSI hack in the block layer, moving it to the
   callers instead where it belongs (Christoph)

 - blk-throttle fixes and cleanups (Yu)

 - misc fixes and cleanups (Liu Shixin, Liu Song, Miaohe, Pankaj,
   Ping-Xiang, Wolfram, Saurabh, Li Jinlin, Li Lei, Lin, Li zeming,
   Miaohe, Bart, Coly, Gaosheng

* tag 'for-6.1/block-2022-10-03' of git://git.kernel.dk/linux: (162 commits)
  sbitmap: fix lockup while swapping
  block: add rationale for not using blk_mq_plug() when applicable
  block: adapt blk_mq_plug() to not plug for writes that require a zone lock
  s390/dasd: use blk_mq_alloc_disk
  blk-cgroup: don't update the blkg lookup hint in blkg_conf_prep
  nvmet: don't look at the request_queue in nvmet_bdev_set_limits
  nvmet: don't look at the request_queue in nvmet_bdev_zone_mgmt_emulate_all
  blk-mq: use quiesced elevator switch when reinitializing queues
  block: replace blk_queue_nowait with bdev_nowait
  nvme: remove nvme_ctrl_init_connect_q
  nvme-loop: use the tagset alloc/free helpers
  nvme-loop: store the generic nvme_ctrl in set->driver_data
  nvme-loop: initialize sqsize later
  nvme-fc: use the tagset alloc/free helpers
  nvme-fc: store the generic nvme_ctrl in set->driver_data
  nvme-fc: keep ctrl->sqsize in sync with opts->queue_size
  nvme-rdma: use the tagset alloc/free helpers
  nvme-rdma: store the generic nvme_ctrl in set->driver_data
  nvme-tcp: use the tagset alloc/free helpers
  nvme-tcp: store the generic nvme_ctrl in set->driver_data
  ...
 2022-10-07 09:19:14 -07:00
Linus Torvalds
0a78a376ef for-6.1/io_uring-2022-10-03 
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Merge tag 'for-6.1/io_uring-2022-10-03' of git://git.kernel.dk/linux

Pull io_uring updates from Jens Axboe:

 - Add supported for more directly managed task_work running.

   This is beneficial for real world applications that end up issuing
   lots of system calls as part of handling work. Normal task_work will
   always execute as we transition in and out of the kernel, even for
   "unrelated" system calls. It's more efficient to defer the handling
   of io_uring's deferred work until the application wants it to be run,
   generally in batches.

   As part of ongoing work to write an io_uring network backend for
   Thrift, this has been shown to greatly improve performance. (Dylan)

 - Add IOPOLL support for passthrough (Kanchan)

 - Improvements and fixes to the send zero-copy support (Pavel)

 - Partial IO handling fixes (Pavel)

 - CQE ordering fixes around CQ ring overflow (Pavel)

 - Support sendto() for non-zc as well (Pavel)

 - Support sendmsg for zerocopy (Pavel)

 - Networking iov_iter fix (Stefan)

 - Misc fixes and cleanups (Pavel, me)

* tag 'for-6.1/io_uring-2022-10-03' of git://git.kernel.dk/linux: (56 commits)
  io_uring/net: fix notif cqe reordering
  io_uring/net: don't update msg_name if not provided
  io_uring: don't gate task_work run on TIF_NOTIFY_SIGNAL
  io_uring/rw: defer fsnotify calls to task context
  io_uring/net: fix fast_iov assignment in io_setup_async_msg()
  io_uring/net: fix non-zc send with address
  io_uring/net: don't skip notifs for failed requests
  io_uring/rw: don't lose short results on io_setup_async_rw()
  io_uring/rw: fix unexpected link breakage
  io_uring/net: fix cleanup double free free_iov init
  io_uring: fix CQE reordering
  io_uring/net: fix UAF in io_sendrecv_fail()
  selftest/net: adjust io_uring sendzc notif handling
  io_uring: ensure local task_work marks task as running
  io_uring/net: zerocopy sendmsg
  io_uring/net: combine fail handlers
  io_uring/net: rename io_sendzc()
  io_uring/net: support non-zerocopy sendto
  io_uring/net: refactor io_setup_async_addr
  io_uring/net: don't lose partial send_zc on fail
  ...
 2022-10-07 08:52:43 -07:00
Linus Torvalds
188943a156 Merge tag 'fs-for_v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 
Pull ext2, udf, reiserfs, and quota updates from Jan Kara:

 - Fix for udf to make splicing work again

 - More disk format sanity checks for ext2 to avoid crashes found by
   syzbot

 - More quota disk format checks to avoid crashes found by fuzzing

 - Reiserfs & isofs cleanups

* tag 'fs-for_v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  quota: Add more checking after reading from quota file
  quota: Replace all block number checking with helper function
  quota: Check next/prev free block number after reading from quota file
  ext2: Use kvmalloc() for group descriptor array
  ext2: Add sanity checks for group and filesystem size
  udf: Support splicing to file
  isofs: delete unnecessary checks before brelse()
  fs/reiserfs: replace ternary operator with min() and min_t()
 2022-10-07 08:42:37 -07:00
Linus Torvalds
abf625dc8c Merge tag 'fsnotify-for_v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 
Pull fsnotify updates from Jan Kara:
 "Two cleanups for fsnotify code"

* tag 'fsnotify-for_v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  fanotify: Remove obsoleted fanotify_event_has_path()
  fsnotify: remove unused declaration
 2022-10-07 08:28:50 -07:00
Linus Torvalds
9f4b9beeb9 24 ksmbd server fixes 
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Merge tag '6.1-rc-ksmbd-fixes' of git://git.samba.org/ksmbd

Pull ksmbd updates from Steve French:

 - RDMA (smbdirect) fixes

 - fixes for SMB3.1.1 POSIX Extensions (especially for id mapping)

 - various casemapping fixes for mount and lookup

 - UID mapping fixes

 - fix confusing error message

 - protocol negotiation fixes, including NTLMSSP fix

 - two encryption fixes

 - directory listing fix

 - some cleanup fixes

* tag '6.1-rc-ksmbd-fixes' of git://git.samba.org/ksmbd: (24 commits)
  ksmbd: validate share name from share config response
  ksmbd: call ib_drain_qp when disconnected
  ksmbd: make utf-8 file name comparison work in __caseless_lookup()
  ksmbd: Fix user namespace mapping
  ksmbd: hide socket error message when ipv6 config is disable
  ksmbd: reduce server smbdirect max send/receive segment sizes
  ksmbd: decrease the number of SMB3 smbdirect server SGEs
  ksmbd: Fix wrong return value and message length check in smb2_ioctl()
  ksmbd: set NTLMSSP_NEGOTIATE_SEAL flag to challenge blob
  ksmbd: fix encryption failure issue for session logoff response
  ksmbd: fix endless loop when encryption for response fails
  ksmbd: fill sids in SMB_FIND_FILE_POSIX_INFO response
  ksmbd: set file permission mode to match Samba server posix extension behavior
  ksmbd: change security id to the one samba used for posix extension
  ksmbd: update documentation
  ksmbd: casefold utf-8 share names and fix ascii lowercase conversion
  ksmbd: port to vfs{g,u}id_t and associated helpers
  ksmbd: fix incorrect handling of iterate_dir
  MAINTAINERS: remove Hyunchul Lee from ksmbd maintainers
  MAINTAINERS: Add Tom Talpey as ksmbd reviewer
  ...
 2022-10-07 08:19:26 -07:00
Linus Torvalds
4c86114194 New code for 6.1: 
- Fix a UAF bug when recording writeback mapping errors.
  - Add a tracepoint so that we can monitor writeback mappings.
 
 Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'iomap-6.1-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull iomap updates from Darrick Wong:
 "It's pretty quiet this time around -- a UAF bugfix and a new
  tracepoint so we can watch file writeback:

   - Fix a UAF bug when recording writeback mapping errors

   - Add a tracepoint so that we can monitor writeback mappings"

* tag 'iomap-6.1-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  iomap: add a tracepoint for mappings returned by map_blocks
  iomap: iomap: fix memory corruption when recording errors during writeback
 2022-10-06 17:57:50 -07:00
Linus Torvalds
bc32a6330f The first two changes that involve files outside of fs/ext4: 
- submit_bh() can never return an error, so change it to return void,
   and remove the unused checks from its callers
 
 - fix I_DIRTY_TIME handling so it will be set even if the inode
   already has I_DIRTY_INODE
 
 Performance:
 
 - Always enable i_version counter (as btrfs and xfs already do).
   Remove some uneeded i_version bumps to avoid unnecessary nfs cache
   invalidations.
 
 - Wake up journal waters in FIFO order, to avoid some journal users
   from not getting a journal handle for an unfairly long time.
 
 - In ext4_write_begin() allocate any necessary buffer heads before
   starting the journal handle.
 
 - Don't try to prefetch the block allocation bitmaps for a read-only
   file system.
 
 Bug Fixes:
 
 - Fix a number of fast commit bugs, including resources leaks and out
   of bound references in various error handling paths and/or if the fast
   commit log is corrupted.
 
 - Avoid stopping the online resize early when expanding a file system
   which is less than 16TiB to a size greater than 16TiB.
 
 - Fix apparent metadata corruption caused by a race with a metadata
   buffer head getting migrated while it was trying to be read.
 
 - Mark the lazy initialization thread freezable to prevent suspend
   failures.
 
 - Other miscellaneous bug fixes.
 
 Cleanups:
 
 - Break up the incredibly long ext4_full_super() function by
   refactoring to move code into more understandable, smaller
   functions.
 
 - Remove the deprecated (and ignored) noacl and nouser_attr mount
   option.
 
 - Factor out some common code in fast commit handling.
 
 - Other miscellaneous cleanups.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "The first two changes involve files outside of fs/ext4:

   - submit_bh() can never return an error, so change it to return void,
     and remove the unused checks from its callers

   - fix I_DIRTY_TIME handling so it will be set even if the inode
     already has I_DIRTY_INODE

  Performance:

   - Always enable i_version counter (as btrfs and xfs already do).
     Remove some uneeded i_version bumps to avoid unnecessary nfs cache
     invalidations

   - Wake up journal waiters in FIFO order, to avoid some journal users
     from not getting a journal handle for an unfairly long time

   - In ext4_write_begin() allocate any necessary buffer heads before
     starting the journal handle

   - Don't try to prefetch the block allocation bitmaps for a read-only
     file system

  Bug Fixes:

   - Fix a number of fast commit bugs, including resources leaks and out
     of bound references in various error handling paths and/or if the
     fast commit log is corrupted

   - Avoid stopping the online resize early when expanding a file system
     which is less than 16TiB to a size greater than 16TiB

   - Fix apparent metadata corruption caused by a race with a metadata
     buffer head getting migrated while it was trying to be read

   - Mark the lazy initialization thread freezable to prevent suspend
     failures

   - Other miscellaneous bug fixes

  Cleanups:

   - Break up the incredibly long ext4_full_super() function by
     refactoring to move code into more understandable, smaller
     functions

   - Remove the deprecated (and ignored) noacl and nouser_attr mount
     option

   - Factor out some common code in fast commit handling

   - Other miscellaneous cleanups"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (53 commits)
  ext4: fix potential out of bound read in ext4_fc_replay_scan()
  ext4: factor out ext4_fc_get_tl()
  ext4: introduce EXT4_FC_TAG_BASE_LEN helper
  ext4: factor out ext4_free_ext_path()
  ext4: remove unnecessary drop path references in mext_check_coverage()
  ext4: update 'state->fc_regions_size' after successful memory allocation
  ext4: fix potential memory leak in ext4_fc_record_regions()
  ext4: fix potential memory leak in ext4_fc_record_modified_inode()
  ext4: remove redundant checking in ext4_ioctl_checkpoint
  jbd2: add miss release buffer head in fc_do_one_pass()
  ext4: move DIOREAD_NOLOCK setting to ext4_set_def_opts()
  ext4: remove useless local variable 'blocksize'
  ext4: unify the ext4 super block loading operation
  ext4: factor out ext4_journal_data_mode_check()
  ext4: factor out ext4_load_and_init_journal()
  ext4: factor out ext4_group_desc_init() and ext4_group_desc_free()
  ext4: factor out ext4_geometry_check()
  ext4: factor out ext4_check_feature_compatibility()
  ext4: factor out ext4_init_metadata_csum()
  ext4: factor out ext4_encoding_init()
  ...
 2022-10-06 17:45:53 -07:00
Linus Torvalds
7f198ba7ae affs-for-6.1-tag 
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Merge tag 'affs-for-6.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull affs update from David Sterba:
 "One minor update for AFFS, switching away from strlcpy"

* tag 'affs-for-6.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  affs: move from strlcpy with unused retval to strscpy
 2022-10-06 17:42:29 -07:00
Linus Torvalds
76e4503534 for-6.1-tag 
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Merge tag 'for-6.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "There's a bunch of performance improvements, most notably the FIEMAP
  speedup, the new block group tree to speed up mount on large
  filesystems, more io_uring integration, some sysfs exports and the
  usual fixes and core updates.

  Summary:

  Performance:

   - outstanding FIEMAP speed improvement
      - algorithmic change how extents are enumerated leads to orders of
        magnitude speed boost (uncached and cached)
      - extent sharing check speedup (2.2x uncached, 3x cached)
      - add more cancellation points, allowing to interrupt seeking in
        files with large number of extents
      - more efficient hole and data seeking (4x uncached, 1.3x cached)
      - sample results:
	    256M, 32K extents:   4s ->  29ms  (~150x)
	    512M, 64K extents:  30s ->  59ms  (~550x)
	    1G,  128K extents: 225s -> 120ms (~1800x)

   - improved inode logging, especially for directories (on dbench
     workload throughput +25%, max latency -21%)

   - improved buffered IO, remove redundant extent state tracking,
     lowering memory consumption and avoiding rb tree traversal

   - add sysfs tunable to let qgroup temporarily skip exact accounting
     when deleting snapshot, leading to a speedup but requiring a rescan
     after that, will be used by snapper

   - support io_uring and buffered writes, until now it was just for
     direct IO, with the no-wait semantics implemented in the buffered
     write path it now works and leads to speed improvement in IOPS
     (2x), throughput (2.2x), latency (depends, 2x to 150x)

   - small performance improvements when dropping and searching for
     extent maps as well as when flushing delalloc in COW mode
     (throughput +5MB/s)

  User visible changes:

   - new incompatible feature block-group-tree adding a dedicated tree
     for tracking block groups, this allows a much faster load during
     mount and avoids seeking unlike when it's scattered in the extent
     tree items
      - this reduces mount time for many-terabyte sized filesystems
      - conversion tool will be provided so existing filesystem can also
        be updated in place
      - to reduce test matrix and feature combinations requires no-holes
        and free-space-tree (mkfs defaults since 5.15)

   - improved reporting of super block corruption detected by scrub

   - scrub also tries to repair super block and does not wait until next
     commit

   - discard stats and tunables are exported in sysfs
     (/sys/fs/btrfs/FSID/discard)

   - qgroup status is exported in sysfs
     (/sys/sys/fs/btrfs/FSID/qgroups/)

   - verify that super block was not modified when thawing filesystem

  Fixes:

   - FIEMAP fixes
      - fix extent sharing status, does not depend on the cached status
        where merged
      - flush delalloc so compressed extents are reported correctly

   - fix alignment of VMA for memory mapped files on THP

   - send: fix failures when processing inodes with no links (orphan
     files and directories)

   - fix race between quota enable and quota rescan ioctl

   - handle more corner cases for read-only compat feature verification

   - fix missed extent on fsync after dropping extent maps

  Core:

   - lockdep annotations to validate various transactions states and
     state transitions

   - preliminary support for fs-verity in send

   - more effective memory use in scrub for subpage where sector is
     smaller than page

   - block group caching progress logic has been removed, load is now
     synchronous

   - simplify end IO callbacks and bio handling, use chained bios
     instead of own tracking

   - add no-wait semantics to several functions (tree search, nocow,
     flushing, buffered write

   - cleanups and refactoring

  MM changes:

   - export balance_dirty_pages_ratelimited_flags"

* tag 'for-6.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (177 commits)
  btrfs: set generation before calling btrfs_clean_tree_block in btrfs_init_new_buffer
  btrfs: drop extent map range more efficiently
  btrfs: avoid pointless extent map tree search when flushing delalloc
  btrfs: remove unnecessary next extent map search
  btrfs: remove unnecessary NULL pointer checks when searching extent maps
  btrfs: assert tree is locked when clearing extent map from logging
  btrfs: remove unnecessary extent map initializations
  btrfs: remove the refcount warning/check at free_extent_map()
  btrfs: add helper to replace extent map range with a new extent map
  btrfs: move open coded extent map tree deletion out of inode eviction
  btrfs: use cond_resched_rwlock_write() during inode eviction
  btrfs: use extent_map_end() at btrfs_drop_extent_map_range()
  btrfs: move btrfs_drop_extent_cache() to extent_map.c
  btrfs: fix missed extent on fsync after dropping extent maps
  btrfs: remove stale prototype of btrfs_write_inode
  btrfs: enable nowait async buffered writes
  btrfs: assert nowait mode is not used for some btree search functions
  btrfs: make btrfs_buffered_write nowait compatible
  btrfs: plumb NOWAIT through the write path
  btrfs: make lock_and_cleanup_extent_if_need nowait compatible
  ...
 2022-10-06 17:36:48 -07:00
Linus Torvalds
4c0ed7d8d6 whack-a-mole: constifying struct path * 
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Merge tag 'pull-path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs constification updates from Al Viro:
 "whack-a-mole: constifying struct path *"

* tag 'pull-path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  ecryptfs: constify path
  spufs: constify path
  nd_jump_link(): constify path
  audit_init_parent(): constify path
  __io_setxattr(): constify path
  do_proc_readlink(): constify path
  overlayfs: constify path
  fs/notify: constify path
  may_linkat(): constify path
  do_sys_name_to_handle(): constify path
  ->getprocattr(): attribute name is const char *, TYVM...
 2022-10-06 17:31:02 -07:00
Linus Torvalds
ab29622157 whack-a-mole: cropped up open-coded file_inode() uses... 
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Merge tag 'pull-file_inode' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull file_inode() updates from Al Vrio:
 "whack-a-mole: cropped up open-coded file_inode() uses..."

* tag 'pull-file_inode' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  orangefs: use ->f_mapping
  _nfs42_proc_copy(): use ->f_mapping instead of file_inode()->i_mapping
  dma_buf: no need to bother with file_inode()->i_mapping
  nfs_finish_open(): don't open-code file_inode()
  bprm_fill_uid(): don't open-code file_inode()
  sgx: use ->f_mapping...
  exfat_iterate(): don't open-code file_inode(file)
  ibmvmc: don't open-code file_inode()
 2022-10-06 17:22:11 -07:00