# git rev-parse -q --verify d723b99ec9e502a414a96a51ec229333f807b47e^{commit}
d723b99ec9e502a414a96a51ec229333f807b47e
already have revision, skipping fetch
# git checkout -q -f -B kisskb d723b99ec9e502a414a96a51ec229333f807b47e
# git clean -qxdf
# < git log -1
# commit d723b99ec9e502a414a96a51ec229333f807b47e
# Merge: 5e0b17b026eb 27bc446e2def
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Aug 21 11:03:38 2020 -0700
# 
#     Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
#     
#     Pull ext4 updates from Ted Ts'o:
#      "Improvements to ext4's block allocator performance for very large file
#       systems, especially when the file system or files which are highly
#       fragmented. There is a new mount option, prefetch_block_bitmaps which
#       will pull in the block bitmaps and set up the in-memory buddy bitmaps
#       when the file system is initially mounted.
#     
#       Beyond that, a lot of bug fixes and cleanups. In particular, a number
#       of changes to make ext4 more robust in the face of write errors or
#       file system corruptions"
#     
#     * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (46 commits)
#       ext4: limit the length of per-inode prealloc list
#       ext4: reorganize if statement of ext4_mb_release_context()
#       ext4: add mb_debug logging when there are lost chunks
#       ext4: Fix comment typo "the the".
#       jbd2: clean up checksum verification in do_one_pass()
#       ext4: change to use fallthrough macro
#       ext4: remove unused parameter of ext4_generic_delete_entry function
#       mballoc: replace seq_printf with seq_puts
#       ext4: optimize the implementation of ext4_mb_good_group()
#       ext4: delete invalid comments near ext4_mb_check_limits()
#       ext4: fix typos in ext4_mb_regular_allocator() comment
#       ext4: fix checking of directory entry validity for inline directories
#       fs: prevent BUG_ON in submit_bh_wbc()
#       ext4: correctly restore system zone info when remount fails
#       ext4: handle add_system_zone() failure in ext4_setup_system_zone()
#       ext4: fold ext4_data_block_valid_rcu() into the caller
#       ext4: check journal inode extents more carefully
#       ext4: don't allow overlapping system zones
#       ext4: handle error of ext4_setup_system_zone() on remount
#       ext4: delete the invalid BUGON in ext4_mb_load_buddy_gfp()
#       ...
# < /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 d723b99ec9e502a414a96a51ec229333f807b47e
# < make -s -j 48 ARCH=arm O=/kisskb/build/linus_ebsa110_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  ebsa110_defconfig
# < make -s -j 48 ARCH=arm O=/kisskb/build/linus_ebsa110_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_ebsa110_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_ebsa110_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_ebsa110_defconfig_arm-gcc4.9
# Build took: 0:00:42.904547