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Mateusz Guzik e0e259a888 locks: extend speculative spin waiting for readers to drain 
Now that 10 years have passed since the original limit of 10000 was
committed, bump it a little bit.

Spinning waiting for writers is semi-informed in the sense that we always
know if the owner is running and base the decision to spin on that.
However, no such information is provided for read-locking. In particular
this means that it is possible for a write-spinner to completely waste cpu
time waiting for the lock to be released, while the reader holding it was
preempted and is now waiting for the spinner to go off cpu.

Nonetheless, in majority of cases it is an improvement to spin instead of
instantly giving up and going to sleep.

The current approach is pretty simple: snatch the number of current readers
and performs that many pauses before checking again. The total number of
pauses to execute is limited to 10k. If the lock is still not free by
that time, go to sleep.

Given the previously noted problem of not knowing whether spinning makes
any sense to begin with the new limit has to remain rather conservative.
But at the very least it should also be related to the machine. Waiting
for writers uses parameters selected based on the number of activated
hardware threads. The upper limit of pause instructions to be executed
in-between re-reads of the lock is typically 16384 or 32678. It was
selected as the limit of total spins. The lower bound is set to
already present 10000 as to not change it for smaller machines.

Bumping the limit reduces system time by few % during benchmarks like
buildworld, buildkernel and others. Tested on 2 and 4 socket machines
(Broadwell, Skylake).

Figuring out how to make a more informed decision while not pessimizing
the fast path is left as an exercise for the reader.
2018-04-11 01:43:29 +00:00
..
bus_if.m "Buses" is the preferred plural of "bus" 2017-01-15 17:54:01 +00:00
capabilities.conf allow posix_fallocate in capability mode 2017-10-12 15:45:53 +00:00
clock_if.m
cpufreq_if.m
device_if.m Teach makeobjops.awk to accept PROLOG and EPILOG blocks before 2017-12-31 09:23:19 +00:00
genassym.sh Don't prefix zero with 0x in assym.s. 2017-04-13 15:43:44 +00:00
imgact_aout.c Use C99 designated initializers for struct execsw 2018-03-13 13:09:10 +00:00
imgact_binmisc.c Use C99 designated initializers for struct execsw 2018-03-13 13:09:10 +00:00
imgact_elf32.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
imgact_elf64.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
imgact_elf.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
imgact_gzip.c Use C99 designated initializers for struct execsw 2018-03-13 13:09:10 +00:00
imgact_shell.c Use C99 designated initializers for struct execsw 2018-03-13 13:09:10 +00:00
inflate.c SPDX: use the Beerware identifier. 2017-11-30 20:33:45 +00:00
init_main.c Remove Giant from init creation and vfs_mountroot. 2018-03-21 14:46:54 +00:00
init_sysent.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_acct.c spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
kern_alq.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_clock.c make SW_WATCHDOG dynamic 2018-01-03 00:56:30 +00:00
kern_clocksource.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_condvar.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_conf.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_cons.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
kern_context.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_cpu.c Revert r327828, r327949, r327953, r328016-r328026, r328041: 2018-01-21 15:42:36 +00:00
kern_cpuset.c Implement several enhancements to NUMA policies. 2018-03-29 02:54:50 +00:00
kern_ctf.c Revert r327828, r327949, r327953, r328016-r328026, r328041: 2018-01-21 15:42:36 +00:00
kern_descrip.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_dtrace.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_dump.c make SW_WATCHDOG dynamic 2018-01-03 00:56:30 +00:00
kern_environment.c Use explicit_bzero() when cleaning values out of the kernel environment. 2018-04-10 22:57:56 +00:00
kern_et.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_event.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_exec.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_exit.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_fail.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_ffclock.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_fork.c Reduce contention on the proctree lock during heavy package build. 2018-02-20 02:18:30 +00:00
kern_hhook.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_idle.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_intr.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_jail.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_khelp.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_kthread.c Implement several enhancements to NUMA policies. 2018-03-29 02:54:50 +00:00
kern_ktr.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_ktrace.c Decode kevent structures logged via ktrace(2) in kdump. 2017-11-25 04:49:12 +00:00
kern_linker.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_lock.c At this point iwmesg isn't initialized yet, so print pointer to lock 2018-03-20 22:05:21 +00:00
kern_lockf.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
kern_lockstat.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_loginclass.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_malloc.c Fix boot_pages exhaustion on machines with many domains and cores, where 2018-02-09 04:45:39 +00:00
kern_mbuf.c Implement NUMA support in uma(9) and malloc(9). Allocations from specific 2018-01-12 23:25:05 +00:00
kern_mib.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_module.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_mtxpool.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_mutex.c Drop KTR_CONTENTION. 2018-03-20 15:51:05 +00:00
kern_ntptime.c Fix several leaks of kernel stack data through paddings. 2018-03-27 18:05:51 +00:00
kern_osd.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_physio.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_pmc.c Revert r327828, r327949, r327953, r328016-r328026, r328041: 2018-01-21 15:42:36 +00:00
kern_poll.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_priv.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_proc.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_procctl.c Kill all descendants of the reaper, even if they are descendants of a 2017-11-23 11:25:11 +00:00
kern_prot.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_racct.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_rangelock.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_rctl.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_resource.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_rmlock.c Clean up the SYSINIT_FLAGS definitions for rwlock(9) and rmlock(9). 2017-11-21 14:59:23 +00:00
kern_rwlock.c locks: extend speculative spin waiting for readers to drain 2018-04-11 01:43:29 +00:00
kern_sdt.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_sema.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_sendfile.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_sharedpage.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_shutdown.c Do not send signals to init directly from shutdown_nice(9), do it from 2018-03-22 20:47:25 +00:00
kern_sig.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_switch.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_sx.c locks: extend speculative spin waiting for readers to drain 2018-04-11 01:43:29 +00:00
kern_synch.c Allow pause_sbt() to catch signals during sleep by passing C_CATCH flag. 2018-03-03 18:36:38 +00:00
kern_syscalls.c Reduce duplication in dynamic syscall registration code. 2018-02-20 18:08:57 +00:00
kern_sysctl.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_tc.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_thr.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_thread.c Account the size of the vslock-ed memory by the thread. 2018-03-24 13:51:27 +00:00
kern_time.c nanosleep(2): Fix bogus incrementing of rmtp by tc_tick_sbt on [EINTR]. 2018-02-14 18:43:50 +00:00
kern_timeout.c Remove some, but not all, assumptions that the BSP is CPU 0 and that CPUs 2017-11-25 23:41:05 +00:00
kern_tslog.c Code for recording timestamps of events, especially function entries/exits. 2017-12-31 09:21:01 +00:00
kern_umtx.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
kern_uuid.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
kern_xxx.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
ksched.c spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
link_elf_obj.c Ignore relocation tables for non-memory-resident sections. 2018-02-05 23:35:33 +00:00
link_elf.c Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
linker_if.m sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
Make.tags.inc Bring the tags and links entries for amd64 up to date. 2015-10-27 22:59:24 +00:00
Makefile Don't use an .OBJDIR for 'make sysent'. 2018-01-29 19:14:15 +00:00
makesyscalls.sh Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
md4c.c SPDX: some uses of the RSA-MD license. 2017-12-13 16:30:39 +00:00
md5c.c crypto routines: Hint minimum buffer sizes to the compiler 2016-05-26 19:29:29 +00:00
msi_if.m Introduce MSI and MSI-X support to intrng. This adds a new msi device 2016-05-16 09:11:40 +00:00
p1003_1b.c spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
pic_if.m INTRNG: Rework handling with resources. Partially revert r301453. 2016-08-19 10:52:39 +00:00
posix4_mib.c spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
sched_4bsd.c Implement 'domainset', a cpuset based NUMA policy mechanism. This allows 2018-01-12 22:48:23 +00:00
sched_ule.c Restore UP build. 2018-02-23 18:26:31 +00:00
serdev_if.m
stack_protector.c
subr_acl_nfs4.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_acl_posix1e.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_autoconf.c Instrument "boot holds" for the benefit of the TSLOG framework. These 2017-12-31 09:23:52 +00:00
subr_blist.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
subr_bufring.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_bus_dma.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_bus.c Fix LINT build after r328508, add forgotten part in format string 2018-01-29 02:29:08 +00:00
subr_busdma_bufalloc.c Implement NUMA support in uma(9) and malloc(9). Allocations from specific 2018-01-12 23:25:05 +00:00
subr_capability.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_clock.c Replace the existing print_ct() private debugging function with a set of 2018-02-12 16:25:56 +00:00
subr_compressor.c Fix the test for SET_FOREACH termination. 2018-02-15 17:35:40 +00:00
subr_counter.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_devmap.c o Replace __riscv__ with __riscv 2017-08-07 14:09:57 +00:00
subr_devstat.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_disk.c SPDX: use the Beerware identifier. 2017-11-30 20:33:45 +00:00
subr_dummy_vdso_tc.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
subr_eventhandler.c Fix initialization of eventhandler mutex. 2018-03-19 22:43:27 +00:00
subr_fattime.c Use const pointers for input data not modified by clock utility functions. 2018-02-06 22:17:01 +00:00
subr_firmware.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_gtaskqueue.c subr_gtaskqueue: Fix braino from r330715 2018-03-10 01:53:42 +00:00
subr_hash.c Unsign some values related to allocation. 2018-01-22 02:08:10 +00:00
subr_hints.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_intr.c Fix compile error with option DEBUG. This is fallout from some long-ago 2017-08-16 16:51:55 +00:00
subr_kdb.c KDB: restart only CPUs stopped by KDB 2018-01-18 07:38:54 +00:00
subr_kobj.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_lock.c locks: tweak backoff a little bit 2018-04-08 16:34:10 +00:00
subr_log.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
subr_mchain.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
subr_module.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_msgbuf.c Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
subr_param.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
subr_pcpu.c Make v_wire_count a per-cpu counter(9) counter. This eliminates a 2018-02-12 22:53:00 +00:00
subr_pctrie.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_pidctrl.c Add a generic Proportional Integral Derivative (PID) controller algorithm and 2018-02-23 22:51:51 +00:00
subr_power.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_prf.c Use the TSLOG framework to record entry/exit timestamps for DELAY and 2017-12-31 09:24:41 +00:00
subr_prof.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
subr_rman.c Add new bus methods for mapping resources. 2016-05-20 17:57:47 +00:00
subr_rtc.c Fix bad indentation. Whitespace only, no functional changes. 2018-02-13 17:38:08 +00:00
subr_sbuf.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_scanf.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
subr_sfbuf.c Remove SFBUF_OPTIONAL_DIRECT_MAP and such hacks, replacing them across the 2018-01-19 17:46:31 +00:00
subr_sglist.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
subr_sleepqueue.c Use LIST_FOREACH_SAFE in sleepq_chains_remove_matching(). 2018-03-25 20:12:14 +00:00
subr_smp.c Use resume_cpus() instead of restart_cpus() to resume from ACPI suspension. 2017-12-21 09:17:48 +00:00
subr_stack.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_syscall.c spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
subr_taskqueue.c Revert r327828, r327949, r327953, r328016-r328026, r328041: 2018-01-21 15:42:36 +00:00
subr_terminal.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_trap.c Account the size of the vslock-ed memory by the thread. 2018-03-24 13:51:27 +00:00
subr_turnstile.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_uio.c MIPS: Implement fue*word* and casueword* in assembly. 2018-03-12 22:10:06 +00:00
subr_unit.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
subr_vmem.c Fix three miscalculations in amount of boot pages: 2018-02-07 18:32:51 +00:00
subr_witness.c Make BPF global lock an SX 2018-04-10 19:42:50 +00:00
sys_capability.c Fix broken assertion in r329520. 2018-02-18 20:04:39 +00:00
sys_generic.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
sys_getrandom.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
sys_pipe.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
sys_procdesc.c Fix reaping on process fd close broken after r329449 2018-02-20 20:19:38 +00:00
sys_process.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
sys_socket.c Ensure that the vnet is set when calling pru_sockaddr() and 2018-01-11 20:26:17 +00:00
syscalls.c Regenerate sysent files after r331279. 2018-03-21 01:17:01 +00:00
syscalls.master Added SAL annotatations to system calls. 2018-04-05 20:31:45 +00:00
systrace_args.c Regenerate sysent files after r331279. 2018-03-21 01:17:01 +00:00
sysv_ipc.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
sysv_msg.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
sysv_sem.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
sysv_shm.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
tty_compat.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
tty_info.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
tty_inq.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
tty_outq.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
tty_pts.c Move uio enums to sys/_uio.h. 2018-03-27 15:20:03 +00:00
tty_tty.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
tty_ttydisc.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
tty.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
uipc_accf.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
uipc_debug.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
uipc_domain.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
uipc_mbuf2.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
uipc_mbuf.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
uipc_mbufhash.c
uipc_mqueue.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
uipc_sem.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
uipc_shm.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
uipc_sockbuf.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
uipc_socket.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
uipc_syscalls.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
uipc_usrreq.c Forgot to sort here in r328238. 2018-01-22 02:26:10 +00:00
vfs_acl.c Reduce duplication in __acl_*_(file|link). 2018-02-15 21:24:43 +00:00
vfs_aio.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
vfs_bio.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
vfs_cache.c Plug a name cache lock leak. 2017-12-01 22:51:02 +00:00
vfs_cluster.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
vfs_default.c Include error number in the "fsync: giving up on dirty" message 2018-02-23 21:57:10 +00:00
vfs_export.c Reverse the check to allocate the buffer if cached pointer is NULL. 2017-12-23 17:55:19 +00:00
vfs_extattr.c Reduce duplication in extattr_*_(file|link) syscalls. 2018-02-05 19:06:34 +00:00
vfs_hash.c sys/kern: adoption of SPDX licensing ID tags. 2017-11-27 15:20:12 +00:00
vfs_init.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
vfs_lookup.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
vfs_mount.c vfs_donmount: in certain cases try r/o mount if r/w mount fails 2018-03-27 14:31:42 +00:00
vfs_mountroot.c Remove Giant from init creation and vfs_mountroot. 2018-03-21 14:46:54 +00:00
vfs_subr.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
vfs_syscalls.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
vfs_vnops.c In vn_io_fault1(), reduce the scope where pagefaults are disabled. 2018-03-24 13:13:52 +00:00
vnode_if.src Use long for the last argument to VOP_PATHCONF rather than a register_t. 2018-01-17 22:36:58 +00:00