# git rev-parse -q --verify 142b507f911c5a502dbb8f603216cb0ea8a79a48^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 142b507f911c5a502dbb8f603216cb0ea8a79a48^{commit}
142b507f911c5a502dbb8f603216cb0ea8a79a48
# git checkout -q -f -B kisskb 142b507f911c5a502dbb8f603216cb0ea8a79a48
# git clean -qxdf
# < git log -1
# commit 142b507f911c5a502dbb8f603216cb0ea8a79a48
# Merge: 0aa099a312b6 77364faf21b4
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon May 10 14:10:42 2021 -0700
# 
#     Merge tag 'for-5.13-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
#     
#     Pull btrfs fixes from David Sterba:
#      "First batch of various fixes, here's a list of notable ones:
#     
#        - fix unmountable seed device after fstrim
#     
#        - fix silent data loss in zoned mode due to ordered extent splitting
#     
#        - fix race leading to unpersisted data and metadata on fsync
#     
#        - fix deadlock when cloning inline extents and using qgroups"
#     
#     * tag 'for-5.13-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
#       btrfs: initialize return variable in cleanup_free_space_cache_v1
#       btrfs: zoned: sanity check zone type
#       btrfs: fix unmountable seed device after fstrim
#       btrfs: fix deadlock when cloning inline extents and using qgroups
#       btrfs: fix race leading to unpersisted data and metadata on fsync
#       btrfs: do not consider send context as valid when trying to flush qgroups
#       btrfs: zoned: fix silent data loss after failure splitting ordered extent
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 142b507f911c5a502dbb8f603216cb0ea8a79a48
# < make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  randconfig
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  help
# make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  olddefconfig
.config:6014:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:05:42.456243