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  1. 20 Oct, 2020 2 commits
    • Linus Torvalds's avatar
      Merge tag 'riscv-for-linus-5.10-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux · 270315b8
      Linus Torvalds authored 
      Pull RISC-V updates from Palmer Dabbelt:
 "A handful of cleanups and new features:

   - A handful of cleanups for our page fault handling

   - Improvements to how we fill out cacheinfo

   - Support for EFI-based systems"

* tag 'riscv-for-linus-5.10-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (22 commits)
  RISC-V: Add page table dump support for uefi
  RISC-V: Add EFI runtime services
  RISC-V: Add EFI stub support.
  RISC-V: Add PE/COFF header for EFI stub
  RISC-V: Implement late mapping page table allocation functions
  RISC-V: Add early ioremap support
  RISC-V: Move DT mapping outof fixmap
  RISC-V: Fix duplicate included thread_info.h
  riscv/mm/fault: Set FAULT_FLAG_INSTRUCTION flag in do_page_fault()
  riscv/mm/fault: Fix inline placement in vmalloc_fault() declaration
  riscv: Add cache information in AUX vector
  riscv: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
  riscv: Set more data to cacheinfo
  riscv/mm/fault: Move access error check to function
  riscv/mm/fault: Move FAULT_FLAG_WRITE handling in do_page_fault()
  riscv/mm/fault: Simplify mm_fault_error()
  riscv/mm/fault: Move fault error handling to mm_fault_error()
  riscv/mm/fault: Simplify fault error handling
  riscv/mm/fault: Move vmalloc fault handling to vmalloc_fault()
  riscv/mm/fault: Move bad area handling to bad_area()
  ...
      270315b8
    • Linus Torvalds's avatar
      Merge tag 'm68knommu-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu · d3876ff7
      Linus Torvalds authored 
      Pull m68knommu updates from Greg Ungerer:
 "A collection of fixes for 5.10:

   - switch to using asm-generic uaccess code

   - fix sparse warnings in signal code

   - fix compilation of ColdFire MMC support

   - support sysrq in ColdFire serial driver"

* tag 'm68knommu-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  serial: mcf: add sysrq capability
  m68knommu: include SDHC support only when hardware has it
  m68knommu: fix sparse warnings in signal code
  m68knommu: switch to using asm-generic/uaccess.h
      d3876ff7
  3. 19 Oct, 2020 3 commits
    • Linus Torvalds's avatar
      Merge tag 'xfs-5.10-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux · bbe85027
      Linus Torvalds authored 
      Pull more xfs updates from Darrick Wong:
 "The second large pile of new stuff for 5.10, with changes even more
  monumental than last week!

  We are formally announcing the deprecation of the V4 filesystem format
  in 2030. All users must upgrade to the V5 format, which contains
  design improvements that greatly strengthen metadata validation,
  supports reflink and online fsck, and is the intended vehicle for
  handling timestamps past 2038. We're also deprecating the old Irix
  behavioral tweaks in September 2025.

  Coming along for the ride are two design changes to the deferred
  metadata ops subsystem. One of the improvements is to retain correct
  logical ordering of tasks and subtasks, which is a more logical design
  for upper layers of XFS and will become necessary when we add atomic
  file range swaps and commits. The second improvement to deferred ops
  improves the scalability of the log by helping the log tail to move
  forward during long-running operations. This reduces log contention
  when there are a large number of threads trying to run transactions.

  In addition to that, this fixes numerous small bugs in log recovery;
  refactors logical intent log item recovery to remove the last
  remaining place in XFS where we could have nested transactions; fixes
  a couple of ways that intent log item recovery could fail in ways that
  wouldn't have happened in the regular commit paths; fixes a deadlock
  vector in the GETFSMAP implementation (which improves its performance
  by 20%); and fixes serious bugs in the realtime growfs, fallocate, and
  bitmap handling code.

  Summary:

   - Deprecate the V4 filesystem format, some disused mount options, and
     some legacy sysctl knobs now that we can support dates into the
     25th century. Note that removal of V4 support will not happen until
     the early 2030s.

   - Fix some probles with inode realtime flag propagation.

   - Fix some buffer handling issues when growing a rt filesystem.

   - Fix a problem where a BMAP_REMAP unmap call would free rt extents
     even though the purpose of BMAP_REMAP is to avoid freeing the
     blocks.

   - Strengthen the dabtree online scrubber to check hash values on
     child dabtree blocks.

   - Actually log new intent items created as part of recovering log
     intent items.

   - Fix a bug where quotas weren't attached to an inode undergoing bmap
     intent item recovery.

   - Fix a buffer overrun problem with specially crafted log buffer
     headers.

   - Various cleanups to type usage and slightly inaccurate comments.

   - More cleanups to the xattr, log, and quota code.

   - Don't run the (slower) shared-rmap operations on attr fork
     mappings.

   - Fix a bug where we failed to check the LSN of finobt blocks during
     replay and could therefore overwrite newer data with older data.

   - Clean up the ugly nested transaction mess that log recovery uses to
     stage intent item recovery in the correct order by creating a
     proper data structure to capture recovered chains.

   - Use the capture structure to resume intent item chains with the
     same log space and block reservations as when they were captured.

   - Fix a UAF bug in bmap intent item recovery where we failed to
     maintain our reference to the incore inode if the bmap operation
     needed to relog itself to continue.

   - Rearrange the defer ops mechanism to finish newly created subtasks
     of a parent task before moving on to the next parent task.

   - Automatically relog intent items in deferred ops chains if doing so
     would help us avoid pinning the log tail. This will help fix some
     log scaling problems now and will facilitate atomic file updates
     later.

   - Fix a deadlock in the GETFSMAP implementation by using an internal
     memory buffer to reduce indirect calls and copies to userspace,
     thereby improving its performance by ~20%.

   - Fix various problems when calling growfs on a realtime volume would
     not fully update the filesystem metadata.

   - Fix broken Kconfig asking about deprecated XFS when XFS is
     disabled"

* tag 'xfs-5.10-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (48 commits)
  xfs: fix Kconfig asking about XFS_SUPPORT_V4 when XFS_FS=n
  xfs: fix high key handling in the rt allocator's query_range function
  xfs: annotate grabbing the realtime bitmap/summary locks in growfs
  xfs: make xfs_growfs_rt update secondary superblocks
  xfs: fix realtime bitmap/summary file truncation when growing rt volume
  xfs: fix the indent in xfs_trans_mod_dquot
  xfs: do the ASSERT for the arguments O_{u,g,p}dqpp
  xfs: fix deadlock and streamline xfs_getfsmap performance
  xfs: limit entries returned when counting fsmap records
  xfs: only relog deferred intent items if free space in the log gets low
  xfs: expose the log push threshold
  xfs: periodically relog deferred intent items
  xfs: change the order in which child and parent defer ops are finished
  xfs: fix an incore inode UAF in xfs_bui_recover
  xfs: clean up xfs_bui_item_recover iget/trans_alloc/ilock ordering
  xfs: clean up bmap intent item recovery checking
  xfs: xfs_defer_capture should absorb remaining transaction reservation
  xfs: xfs_defer_capture should absorb remaining block reservations
  xfs: proper replay of deferred ops queued during log recovery
  xfs: remove XFS_LI_RECOVERED
  ...
      bbe85027
    • Linus Torvalds's avatar
      Merge tag 'fuse-update-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse · 69456535
      Linus Torvalds authored 
      Pull fuse updates from Miklos Szeredi:

 - Support directly accessing host page cache from virtiofs. This can
   improve I/O performance for various workloads, as well as reducing
   the memory requirement by eliminating double caching. Thanks to Vivek
   Goyal for doing most of the work on this.

 - Allow automatic submounting inside virtiofs. This allows unique
   st_dev/ st_ino values to be assigned inside the guest to files
   residing on different filesystems on the host. Thanks to Max Reitz
   for the patches.

 - Fix an old use after free bug found by Pradeep P V K.

* tag 'fuse-update-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (25 commits)
  virtiofs: calculate number of scatter-gather elements accurately
  fuse: connection remove fix
  fuse: implement crossmounts
  fuse: Allow fuse_fill_super_common() for submounts
  fuse: split fuse_mount off of fuse_conn
  fuse: drop fuse_conn parameter where possible
  fuse: store fuse_conn in fuse_req
  fuse: add submount support to <uapi/linux/fuse.h>
  fuse: fix page dereference after free
  virtiofs: add logic to free up a memory range
  virtiofs: maintain a list of busy elements
  virtiofs: serialize truncate/punch_hole and dax fault path
  virtiofs: define dax address space operations
  virtiofs: add DAX mmap support
  virtiofs: implement dax read/write operations
  virtiofs: introduce setupmapping/removemapping commands
  virtiofs: implement FUSE_INIT map_alignment field
  virtiofs: keep a list of free dax memory ranges
  virtiofs: add a mount option to enable dax
  virtiofs: set up virtio_fs dax_device
  ...
      69456535
    • Linus Torvalds's avatar
      Merge tag 'zonefs-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs · 922a763a
      Linus Torvalds authored 
      Pull zonefs updates from Damien Le Moal:
 "Add an 'explicit-open' mount option to automatically issue a
  REQ_OP_ZONE_OPEN command to the device whenever a sequential zone file
  is open for writing for the first time.

  This avoids 'insufficient zone resources' errors for write operations
  on some drives with limited zone resources or on ZNS drives with a
  limited number of active zones. From Johannes"

* tag 'zonefs-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
  zonefs: document the explicit-open mount option
  zonefs: open/close zone on file open/close
  zonefs: provide no-lock zonefs_io_error variant
  zonefs: introduce helper for zone management
      922a763a
  5. 18 Oct, 2020 35 commits
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