# 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 <torvalds@linux-foundation.org>
# 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 <laoar.shao@gmail.com>
#     Cc: Al Viro <viro@zeniv.linux.org.uk>
#     Cc: Christian Brauner <brauner@kernel.org>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 4a4be1ad3a6efea16c56615f31117590fd881358
# make -s -j 160 ARCH=sparc O=/kisskb/build/linus_allmodconfig_sparc64-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  allmodconfig
# Added to kconfig CONFIG_64BIT=n
# Added to kconfig 
# < make -s -j 160 ARCH=sparc O=/kisskb/build/linus_allmodconfig_sparc64-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  help
# make -s -j 160 ARCH=sparc O=/kisskb/build/linus_allmodconfig_sparc64-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  olddefconfig
# make -s -j 160 ARCH=sparc O=/kisskb/build/linus_allmodconfig_sparc64-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  
<stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp]
In file included from /kisskb/src/include/asm-generic/bug.h:22,
                 from /kisskb/src/arch/sparc/include/asm/bug.h:25,
                 from /kisskb/src/include/linux/bug.h:5,
                 from /kisskb/src/include/linux/alloc_tag.h:8,
                 from /kisskb/src/include/linux/vmalloc.h:5,
                 from /kisskb/src/drivers/scsi/mpi3mr/mpi3mr_transport.c:10:
/kisskb/src/drivers/scsi/mpi3mr/mpi3mr_transport.c: In function 'mpi3mr_sas_port_add':
/kisskb/src/include/linux/kern_levels.h:5:25: error: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'unsigned int' [-Werror=format=]
    5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
      |                         ^~~~~~
/kisskb/src/include/linux/printk.h:436:25: note: in definition of macro 'printk_index_wrap'
  436 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
      |                         ^~~~
/kisskb/src/include/linux/printk.h:517:9: note: in expansion of macro 'printk'
  517 |         printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
      |         ^~~~~~
/kisskb/src/include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH'
   12 | #define KERN_WARNING    KERN_SOH "4"    /* warning conditions */
      |                         ^~~~~~~~
/kisskb/src/include/linux/printk.h:517:16: note: in expansion of macro 'KERN_WARNING'
  517 |         printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
      |                ^~~~~~~~~~~~
/kisskb/src/drivers/scsi/mpi3mr/mpi3mr_debug.h:46:9: note: in expansion of macro 'pr_warn'
   46 |         pr_warn("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
      |         ^~~~~~~
/kisskb/src/drivers/scsi/mpi3mr/mpi3mr_transport.c:1367:25: note: in expansion of macro 'ioc_warn'
 1367 |                         ioc_warn(mrioc, "skipping port %u, max allowed value is %lu\n",
      |                         ^~~~~~~~
cc1: all warnings being treated as errors
make[6]: *** [/kisskb/src/scripts/Makefile.build:244: drivers/scsi/mpi3mr/mpi3mr_transport.o] Error 1
make[5]: *** [/kisskb/src/scripts/Makefile.build:485: drivers/scsi/mpi3mr] Error 2
make[5]: *** Waiting for unfinished jobs....
make[4]: *** [/kisskb/src/scripts/Makefile.build:485: drivers/scsi] Error 2
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [/kisskb/src/scripts/Makefile.build:485: drivers] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/Makefile:1934: .] Error 2
make[1]: *** [/kisskb/src/Makefile:240: __sub-make] Error 2
make: *** [Makefile:240: __sub-make] Error 2
Command 'make -s -j 160 ARCH=sparc O=/kisskb/build/linus_allmodconfig_sparc64-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  ' returned non-zero exit status 2.
# rm -rf /kisskb/build/linus_allmodconfig_sparc64-gcc13
# Build took: 0:09:57.942800