# git rev-parse -q --verify 4a4be1ad3a6efea16c56615f31117590fd881358^{commit} 4a4be1ad3a6efea16c56615f31117590fd881358 already have revision, skipping fetch # git checkout -q -f -B kisskb 4a4be1ad3a6efea16c56615f31117590fd881358 # git clean -qxdf # < git log -1 # commit 4a4be1ad3a6efea16c56615f31117590fd881358 # Author: Linus Torvalds # Date: Wed May 29 09:39:34 2024 -0700 # # Revert "vfs: Delete the associated dentry when deleting a file" # # This reverts commit 681ce8623567ba7e7333908e9826b77145312dda. # # We gave it a try, but it turns out the kernel test robot did in fact # find performance regressions for it, so we'll have to look at the more # involved alternative fixes for Yafang Shao's Elasticsearch load issue. # # There were several alternatives discussed, they just weren't as simple # as this first attempt. # # The report is of a -7.4% regression of filebench.sum_operations/s, which # appears significant enough to trigger my "this patch may get reverted if # somebody finds a performance regression on some other load" rule. # # So it's still the case that we should end up deleting dentries more # aggressively - or just be better at pruning them later - but it needs a # bit more finesse than this simple thing. # # Link: https://lore.kernel.org/all/202405291318.4dfbb352-oliver.sang@intel.com/ # Cc: Yafang Shao # Cc: Al Viro # Cc: Christian Brauner # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/mips-linux/bin/mips-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/mips-linux/bin/mips-linux-ld --version # < git log --format=%s --max-count=1 4a4be1ad3a6efea16c56615f31117590fd881358 # make -s -j 160 ARCH=mips O=/kisskb/build/linus_micro32r2el_defconfig_mips-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/mips-linux/bin/mips-linux- micro32r2el_defconfig Using /kisskb/src/arch/mips/configs/generic_defconfig as base Merging /kisskb/src/arch/mips/configs/generic/micro32r2.config Merging /kisskb/src/arch/mips/configs/generic/el.config Merging /kisskb/src/arch/mips/configs/generic/board-boston.config Merging /kisskb/src/arch/mips/configs/generic/board-marduk.config Merging /kisskb/src/arch/mips/configs/generic/board-ni169445.config Merging /kisskb/src/arch/mips/configs/generic/board-ocelot.config Merging /kisskb/src/arch/mips/configs/generic/board-ranchu.config Merging /kisskb/src/arch/mips/configs/generic/board-sead-3.config Merging /kisskb/src/arch/mips/configs/generic/board-virt.config Merging /kisskb/src/arch/mips/configs/generic/board-xilfpga.config # < make -s -j 160 ARCH=mips O=/kisskb/build/linus_micro32r2el_defconfig_mips-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/mips-linux/bin/mips-linux- help # make -s -j 160 ARCH=mips O=/kisskb/build/linus_micro32r2el_defconfig_mips-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/mips-linux/bin/mips-linux- olddefconfig # make -s -j 160 ARCH=mips O=/kisskb/build/linus_micro32r2el_defconfig_mips-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/mips-linux/bin/mips-linux- /kisskb/src/arch/mips/boot/dts/img/boston.dts:128.17-178.5: Warning (interrupt_provider): /pci@14000000/pci2_root@0,0: '#interrupt-cells' found, but node is not an interrupt provider /kisskb/src/arch/mips/boot/dts/img/boston.dts:136.23-177.6: Warning (interrupt_provider): /pci@14000000/pci2_root@0,0/eg20t_bridge@1,0,0: '#interrupt-cells' found, but node is not an interrupt provider arch/mips/boot/dts/img/boston.dtb: Warning (interrupt_map): Failed prerequisite 'interrupt_provider' Completed OK # rm -rf /kisskb/build/linus_micro32r2el_defconfig_mips-gcc13 # Build took: 0:01:12.965616