# git rev-parse -q --verify 09cb6464fe5e7fcd5177911429badd139c4481b7^{commit}
09cb6464fe5e7fcd5177911429badd139c4481b7
already have revision, skipping fetch
# git checkout -q -f -B kisskb 09cb6464fe5e7fcd5177911429badd139c4481b7
# git clean -qxdf
# git log -1
commit 09cb6464fe5e7fcd5177911429badd139c4481b7
Merge: 19d37ce c0ed440
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed Dec 14 09:07:36 2016 -0800

    Merge tag 'for-f2fs-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
    
    Pull f2fs updates from Jaegeuk Kim:
     "This patch series contains several performance tuning patches
      regarding to the IO submission flow, in addition to supporting new
      features such as a ZBC-base drive and multiple devices.
    
      It also includes some major bug fixes such as:
       - checkpoint version control
       - fdatasync-related roll-forward recovery routine
       - memory boundary or null-pointer access in corner cases
       - missing error cases
    
      It has various minor clean-up patches as well"
    
    * tag 'for-f2fs-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (66 commits)
      f2fs: fix a missing size change in f2fs_setattr
      f2fs: fix to access nullified flush_cmd_control pointer
      f2fs: free meta pages if sanity check for ckpt is failed
      f2fs: detect wrong layout
      f2fs: call sync_fs when f2fs is idle
      Revert "f2fs: use percpu_counter for # of dirty pages in inode"
      f2fs: return AOP_WRITEPAGE_ACTIVATE for writepage
      f2fs: do not activate auto_recovery for fallocated i_size
      f2fs: fix to determine start_cp_addr by sbi->cur_cp_pack
      f2fs: fix 32-bit build
      f2fs: set ->owner for debugfs status file's file_operations
      f2fs: fix incorrect free inode count in ->statfs
      f2fs: drop duplicate header timer.h
      f2fs: fix wrong AUTO_RECOVER condition
      f2fs: do not recover i_size if it's valid
      f2fs: fix fdatasync
      f2fs: fix to account total free nid correctly
      f2fs: fix an infinite loop when flush nodes in cp
      f2fs: don't wait writeback for datas during checkpoint
      f2fs: fix wrong written_valid_blocks counting
      ...
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-gcc --version
# < git log --format=%s --max-count=1 09cb6464fe5e7fcd5177911429badd139c4481b7
# < make -j 48 ARCH=arm O=/home/kisskb/slave/build/linus_bcm_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  bcm_defconfig
make[2]: *** [bcm_defconfig] Error 1
make[1]: *** [bcm_defconfig] Error 2
make: *** [sub-make] Error 2
Command 'make -j 48 ARCH=arm O=/home/kisskb/slave/build/linus_bcm_defconfig_arm CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi-  bcm_defconfig' returned non-zero exit status 2
# rm -rf /home/kisskb/slave/build/linus_bcm_defconfig_arm
# Build took: 0:00:02.754454