# git rev-parse -q --verify f0fddcec6b6254b4b3611388786bbafb703ad257^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify f0fddcec6b6254b4b3611388786bbafb703ad257^{commit}
f0fddcec6b6254b4b3611388786bbafb703ad257
# git checkout -q -f -B kisskb f0fddcec6b6254b4b3611388786bbafb703ad257
# git clean -qxdf
# < git log -1
# commit f0fddcec6b6254b4b3611388786bbafb703ad257
# Merge: 704f4cba43d4 c7c3a6dcb1ef
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jul 23 12:49:07 2021 -0700
# 
#     Merge tag 'for-5.14-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
#     
#     Pull btrfs fixes from David Sterba:
#      "A few fixes and one patch to help some block layer API cleanups:
#     
#        - skip missing device when running fstrim
#     
#        - fix unpersisted i_size on fsync after expanding truncate
#     
#        - fix lock inversion problem when doing qgroup extent tracing
#     
#        - replace bdgrab/bdput usage, replace gendisk by block_device"
#     
#     * tag 'for-5.14-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
#       btrfs: store a block_device in struct btrfs_ordered_extent
#       btrfs: fix lock inversion problem when doing qgroup extent tracing
#       btrfs: check for missing device in btrfs_trim_fs
#       btrfs: fix unpersisted i_size on fsync after expanding truncate
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld --version
# < git log --format=%s --max-count=1 f0fddcec6b6254b4b3611388786bbafb703ad257
# < make -s -j 48 ARCH=arm O=/kisskb/build/linus_cns3420vb_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  cns3420vb_defconfig
# < make -s -j 48 ARCH=arm O=/kisskb/build/linus_cns3420vb_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  help
# make -s -j 48 ARCH=arm O=/kisskb/build/linus_cns3420vb_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  olddefconfig
# make -s -j 48 ARCH=arm O=/kisskb/build/linus_cns3420vb_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  
Completed OK
# rm -rf /kisskb/build/linus_cns3420vb_defconfig_arm-gcc4.9
# Build took: 0:00:37.818306