# git rev-parse -q --verify 5191290407668028179f2544a11ae9b57f0bcf07^{commit}
5191290407668028179f2544a11ae9b57f0bcf07
already have revision, skipping fetch
# git checkout -q -f -B kisskb 5191290407668028179f2544a11ae9b57f0bcf07
# git clean -qxdf
# < git log -1
# commit 5191290407668028179f2544a11ae9b57f0bcf07
# Merge: 9b03992f0c88 d3e29967079c
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Mar 22 10:51:40 2022 -0700
# 
#     Merge tag 'for-5.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
#     
#     Pull btrfs updates from David Sterba:
#      "This contains feature updates, performance improvements, preparatory
#       and core work and some related VFS updates:
#     
#       Features:
#     
#        - encoded read/write ioctls, allows user space to read or write raw
#          data directly to extents (now compressed, encrypted in the future),
#          will be used by send/receive v2 where it saves processing time
#     
#        - zoned mode now works with metadata DUP (the mkfs.btrfs default)
#     
#        - error message header updates:
#           - print error state: transaction abort, other error, log tree
#             errors
#           - print transient filesystem state: remount, device replace,
#             ignored checksum verifications
#     
#        - tree-checker: verify the transaction id of the to-be-written dirty
#          extent buffer
#     
#       Performance improvements for fsync:
#     
#        - directory logging speedups (up to -90% run time)
#     
#        - avoid logging all directory changes during renames (up to -60% run
#          time)
#     
#        - avoid inode logging during rename and link when possible (up to
#          -60% run time)
#     
#        - prepare extents to be logged before locking a log tree path
#          (throughput +7%)
#     
#        - stop copying old file extents when doing a full fsync()
#     
#        - improved logging of old extents after truncate
#     
#       Core, fixes:
#     
#        - improved stale device identification by dev_t and not just path
#          (for devices that are behind other layers like device mapper)
#     
#        - continued extent tree v2 preparatory work
#           - disable features that won't work yet
#           - add wrappers and abstractions for new tree roots
#     
#        - improved error handling
#     
#        - add super block write annotations around background block group
#          reclaim
#     
#        - fix device scanning messages potentially accessing stale pointer
#     
#        - cleanups and refactoring
#     
#       VFS:
#     
#        - allow reflinks/deduplication from two different mounts of the same
#          filesystem
#     
#        - export and add helpers for read/write range verification, for the
#          encoded ioctls"
#     
#     * tag 'for-5.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (98 commits)
#       btrfs: zoned: put block group after final usage
#       btrfs: don't access possibly stale fs_info data in device_list_add
#       btrfs: add lockdep_assert_held to need_preemptive_reclaim
#       btrfs: verify the tranisd of the to-be-written dirty extent buffer
#       btrfs: unify the error handling of btrfs_read_buffer()
#       btrfs: unify the error handling pattern for read_tree_block()
#       btrfs: factor out do_free_extent_accounting helper
#       btrfs: remove last_ref from the extent freeing code
#       btrfs: add a alloc_reserved_extent helper
#       btrfs: remove BUG_ON(ret) in alloc_reserved_tree_block
#       btrfs: add and use helper for unlinking inode during log replay
#       btrfs: extend locking to all space_info members accesses
#       btrfs: zoned: mark relocation as writing
#       fs: allow cross-vfsmount reflink/dedupe
#       btrfs: remove the cross file system checks from remap
#       btrfs: pass btrfs_fs_info to btrfs_recover_relocation
#       btrfs: pass btrfs_fs_info for deleting snapshots and cleaner
#       btrfs: add filesystems state details to error messages
#       btrfs: deal with unexpected extent type during reflinking
#       btrfs: fix unexpected error path when reflinking an inline extent
#       ...
# < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 5191290407668028179f2544a11ae9b57f0bcf07
# < make -s -j 120 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  defconfig
# < make -s -j 120 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  help
# make -s -j 120 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  olddefconfig
# make -s -j 120 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  
<stdin>:1517:2: warning: #warning syscall clone3 not implemented [-Wcpp]
WARNING: modpost: EXPORT symbol "_mcount" [vmlinux] version ...
Is "_mcount" prototyped in <asm/asm-prototypes.h>?
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_sparc64-defconfig_sparc64-gcc11
# Build took: 0:00:37.172298