# git rev-parse -q --verify 0bc9bc1d8b2fa0d5a7e2132e89c540099ea63172^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 0bc9bc1d8b2fa0d5a7e2132e89c540099ea63172^{commit}
0bc9bc1d8b2fa0d5a7e2132e89c540099ea63172
# git checkout -q -f -B kisskb 0bc9bc1d8b2fa0d5a7e2132e89c540099ea63172
# git clean -qxdf
# < git log -1
# commit 0bc9bc1d8b2fa0d5a7e2132e89c540099ea63172
# Merge: 7cd3c4126188 e9f53353e166
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jan 15 14:54:24 2021 -0800
# 
#     Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
#     
#     Pull ext4 fixes from Ted Ts'o:
#      "A number of bug fixes for ext4:
#     
#        - Fix for the new fast_commit feature
#     
#        - Fix some error handling codepaths in whiteout handling and
#          mountpoint sampling
#     
#        - Fix how we write ext4_error information so it goes through the
#          journal when journalling is active, to avoid races that can lead to
#          lost error information, superblock checksum failures, or DIF/DIX
#          features"
#     
#     * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
#       ext4: remove expensive flush on fast commit
#       ext4: fix bug for rename with RENAME_WHITEOUT
#       ext4: fix wrong list_splice in ext4_fc_cleanup
#       ext4: use IS_ERR instead of IS_ERR_OR_NULL and set inode null when IS_ERR
#       ext4: don't leak old mountpoint samples
#       ext4: drop ext4_handle_dirty_super()
#       ext4: fix superblock checksum failure when setting password salt
#       ext4: use sbi instead of EXT4_SB(sb) in ext4_update_super()
#       ext4: save error info to sb through journal if available
#       ext4: protect superblock modifications with a buffer lock
#       ext4: drop sync argument of ext4_commit_super()
#       ext4: combine ext4_handle_error() and save_error_info()
# < /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 0bc9bc1d8b2fa0d5a7e2132e89c540099ea63172
# < make -s -j 48 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
KCONFIG_SEED=0xF4E1D780
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 48 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 48 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
# make -s -j 48 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: 0:04:52.221912