# git rev-parse -q --verify 3e08a95294a4fb3702bb3d35ed08028433c37fe6^{commit}
3e08a95294a4fb3702bb3d35ed08028433c37fe6
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3e08a95294a4fb3702bb3d35ed08028433c37fe6
# git clean -qxdf
# < git log -1
# commit 3e08a95294a4fb3702bb3d35ed08028433c37fe6
# Merge: dd0d718152e4 b091f7fede97
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Jun 23 09:20:11 2020 -0700
# 
#     Merge tag 'for-5.8-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
#     
#     Pull btrfs fixes from David Sterba:
#      "A number of fixes, located in two areas, one performance fix and one
#       fixup for better integration with another patchset.
#     
#        - bug fixes in nowait aio:
#            - fix snapshot creation hang after nowait-aio was used
#            - fix failure to write to prealloc extent past EOF
#            - don't block when extent range is locked
#     
#        - block group fixes:
#            - relocation failure when scrub runs in parallel
#            - refcount fix when removing fails
#            - fix race between removal and creation
#            - space accounting fixes
#     
#        - reinstante fast path check for log tree at unlink time, fixes
#          performance drop up to 30% in REAIM
#     
#        - kzfree/kfree fixup to ease treewide patchset renaming kzfree"
#     
#     * tag 'for-5.8-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
#       btrfs: use kfree() in btrfs_ioctl_get_subvol_info()
#       btrfs: fix RWF_NOWAIT writes blocking on extent locks and waiting for IO
#       btrfs: fix RWF_NOWAIT write not failling when we need to cow
#       btrfs: fix failure of RWF_NOWAIT write into prealloc extent beyond eof
#       btrfs: fix hang on snapshot creation after RWF_NOWAIT write
#       btrfs: check if a log root exists before locking the log_mutex on unlink
#       btrfs: fix bytes_may_use underflow when running balance and scrub in parallel
#       btrfs: fix data block group relocation failure due to concurrent scrub
#       btrfs: fix race between block group removal and block group creation
#       btrfs: fix a block group ref counter leak after failure to remove block group
# < /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 3e08a95294a4fb3702bb3d35ed08028433c37fe6
# < make -s -j 48 ARCH=arm O=/kisskb/build/linus_neponset_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  neponset_defconfig
# < make -s -j 48 ARCH=arm O=/kisskb/build/linus_neponset_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_neponset_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_neponset_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_neponset_defconfig_arm-gcc4.9
# Build took: 0:00:45.519547