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Finix1979 320f0c6022 Add Linux posix_fadvise support 
The purpose of this PR is to accepts fadvise ioctl from userland
to do read-ahead by demand.

It could dramatically improve sequential read performance especially
when primarycache is set to metadata or zfs_prefetch_disable is 1.

If the file is mmaped, generic_fadvise is also called for page cache
read-ahead besides dmu_prefetch.

Only POSIX_FADV_WILLNEED and POSIX_FADV_SEQUENTIAL are supported in
this PR currently.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Finix Yan <yancw@info2soft.com>
Closes #13694
2022-09-08 10:29:41 -07:00
..
.gitignore
Prepare SPL repo to merge with ZFS repo
2018-05-29 14:51:39 -07:00
always-arch.m4
Introduce BLAKE3 checksums as an OpenZFS feature
2022-06-08 15:55:57 -07:00
always-compiler-options.m4
Silence -Winfinite-recursion warning in luaD_throw()
2022-06-27 14:18:50 -07:00
always-cppcheck.m4
autoconf: use include directives instead of recursing down lib
2022-05-10 10:18:11 -07:00
always-parallel.m4
config: check for parallel(1), use it for cstyle
2022-01-06 12:46:42 -08:00
always-python.m4
Removed Python 2 and Python 3.5- support
2022-01-13 09:51:12 -07:00
always-pyzfs.m4
Removed Python 2 and Python 3.5- support
2022-01-13 09:51:12 -07:00
always-sed.m4
Add compatibility for busybox mktemp
2020-12-03 10:01:16 -08:00
always-shellcheck.m4
Turn checkbashisms into a make target
2021-06-01 11:38:54 -07:00
always-system.m4
autoconf: use include directives instead of recursing down lib
2022-05-10 10:18:11 -07:00
ax_code_coverage.m4
Updated the lz4 decompressor
2022-01-07 10:36:49 -08:00
ax_count_cpus.m4
cppcheck: integrete cppcheck
2021-01-26 16:12:26 -08:00
ax_python_devel.m4
Python 3.10 fixes, part 2
2021-10-29 15:36:01 -07:00
ax_restore_flags.m4
config: better libtirpc detection
2019-03-02 16:19:05 -08:00
ax_save_flags.m4
config: better libtirpc detection
2019-03-02 16:19:05 -08:00
config.rpath
Add config.rpath for AM_GNU_GETTEXT
2020-07-10 14:26:12 -07:00
CppCheck.am
cppcheck: explicitly exclude kernel code from userspace checks
2022-05-10 10:20:55 -07:00
deb.am
rpm -> deb doesn't fail when optional packages are missing
2022-04-20 13:43:42 -07:00
find_system_library.m4
Spruce up pkg-config files for libzfs/libzfs_core
2020-09-04 11:11:18 -07:00
gettext.m4
config: libintl/libiconv for gettext() detection
2019-04-19 12:09:29 -07:00
host-cpu-c-abi.m4
config: libintl/libiconv for gettext() detection
2019-04-19 12:09:29 -07:00
iconv.m4
Clarify comments in config/*.m4, vdev_geom.c, zfs_allow_*.ksh
2020-06-22 09:46:37 -07:00
intlmacosx.m4
config: libintl/libiconv for gettext() detection
2019-04-19 12:09:29 -07:00
kernel-access-ok-type.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-acl.m4
Linux 5.15 compat: get_acl()
2021-09-09 09:38:35 -07:00
kernel-add-disk.m4
Fix clang 13 compilation errors
2022-06-15 14:20:28 -07:00
kernel-aio-fsync.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-automount.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-bdi.m4
Minor fix to configure on s390x
2021-05-27 22:39:53 -07:00
kernel-bio_max_segs.m4
Linux 5.12 update: bio_max_segs() replaces BIO_MAX_PAGES
2021-03-19 22:33:42 -07:00
kernel-bio.m4
autoconf: AC_MSG_CHECKING consistency
2022-06-01 09:59:37 -07:00
kernel-blk-queue.m4
zvol: Support blk-mq for better performance
2022-06-09 08:10:38 -06:00
kernel-blkdev.m4
Linux 5.20 compat: bdevname()
2022-08-04 16:57:33 -07:00
kernel-block-device-operations.m4
libtpool: -Wno-clobbered
2022-02-18 09:34:25 -08:00
kernel-clear-inode.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-commit-metadata.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-config-defined.m4
autoconf: Pretend CONFIG_MODULES is always on
2022-04-26 10:47:09 -07:00
kernel-copy-from-user-inatomic.m4
autoconf: Fail when __copy_from_user_inatomic is a non-GPL symbol
2022-05-11 10:32:51 -07:00
kernel-current-time.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-declare-event-class.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-dentry-operations.m4
Partially revert 5a6ac4c
2019-11-18 13:05:56 -08:00
kernel-dirty-inode.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-discard-granularity.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-encode-fh-inode.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-evict-inode.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-fadvise.m4
Add Linux posix_fadvise support
2022-09-08 10:29:41 -07:00
kernel-fallocate.m4
Add support for FALLOC_FL_ZERO_RANGE
2022-01-24 12:59:25 -08:00
kernel-file-dentry.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-file-inode.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-fmode-t.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-follow-down-one.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-fpu.m4
Linux 5.19 compat: asm/fpu/internal.h
2022-06-01 09:59:15 -07:00
kernel-fst-mount.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-fsync.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-generic_fadvise.m4
Add Linux posix_fadvise support
2022-09-08 10:29:41 -07:00
kernel-generic_fillattr.m4
Fix various typos
2021-04-02 18:52:15 -07:00
kernel-generic_io_acct.m4
Linux 5.19 compat: bdev_start_io_acct() / bdev_end_io_acct()
2022-05-31 12:04:35 -07:00
kernel-generic_readlink.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-genhd-flags.m4
Linux 5.17 compat: GENHD_FL_EXT_DEVT / GENHD_FL_NO_PART_SCAN
2022-04-19 10:38:04 -07:00
kernel-get-disk-ro.m4
libtpool: -Wno-clobbered
2022-02-18 09:34:25 -08:00
kernel-get-link.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-global_page_state.m4
egrep -> grep -E
2022-04-01 17:58:07 -07:00
kernel-group-info.m4
Strengthen Linux kernel capabilities detection
2022-04-21 09:37:11 -07:00
kernel-hotplug.m4
Implement memory and CPU hotplug
2020-12-10 14:09:23 -08:00
kernel-in-compat-syscall.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-inode-create.m4
Linux 5.12 compat: idmapped mounts
2021-03-19 21:00:59 -07:00
kernel-inode-getattr.m4
Linux 5.12 compat: idmapped mounts
2021-03-19 21:00:59 -07:00
kernel-inode-lock.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-inode-lookup.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-inode-permission.m4
Linux optimize access checks when ACL is trivial
2022-04-01 09:53:54 -07:00
kernel-inode-set-flags.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-inode-set-iversion.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-inode-times.m4
config/kernel-inode-times: initialize timespec
2020-05-04 15:25:48 -07:00
kernel-insert-inode-locked.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-is_owner_or_cap.m4
Various Linux kABI cosmetics
2021-05-26 15:26:06 -07:00
kernel-kmap-atomic-args.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-kmem-cache.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-kmem.m4
Linux 5.16 compat: Check slab.h for kvmalloc
2022-01-24 12:57:50 -08:00
kernel-kstrtoul.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-kthread.m4
Linux 5.17 compat: dequeue_signal() takes a 4th argument
2022-01-25 12:52:51 -08:00
kernel-ktime.m4
Linux 5.6 compat: ktime_get_raw_ts64()
2020-02-27 09:30:45 -08:00
kernel-kuid-helpers.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-kuidgid.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-lseek-execute.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-make-request-fn.m4
Linux 5.20 compat: blk_cleanup_disk()
2022-08-04 16:57:49 -07:00
kernel-misc-minor.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-mkdir.m4
Add missing AC_MSG_RESULT(no) to configure
2022-05-12 09:12:32 -07:00
kernel-mknod.m4
Linux 5.12 compat: idmapped mounts
2021-03-19 21:00:59 -07:00
kernel-mod-param.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-objtool.m4
Linux 5.10 compat: frame.h renamed objtool.h
2020-11-02 22:01:10 +00:00
kernel-pagemap-folio_wait_bit.m4
autoconf: AC_MSG_CHECKING consistency
2022-06-01 09:59:37 -07:00
kernel-pde-data.m4
Linux 5.17 compat: PDE_DATA() renamed to pde_data()
2022-01-25 12:53:00 -08:00
kernel-percpu.m4
Introduce write-mostly sums
2021-05-27 14:27:29 -06:00
kernel-proc-operations.m4
Linux 5.6 compat: struct proc_ops
2020-02-07 11:03:53 -08:00
kernel-put-link.m4
Fix typos
2020-06-09 21:24:09 -07:00
kernel-readpages.m4
autoconf: AC_MSG_CHECKING consistency
2022-06-01 09:59:37 -07:00
kernel-rename.m4
Fixing m4 iops rename check
2021-04-01 08:37:41 -07:00
kernel-revalidate-disk-size.m4
Linux 5.18 compat: replace genhd.h with blkdev.h includes
2022-03-28 09:52:55 -07:00
kernel-rw.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-rwsem.m4
Delete rw_semaphore.wait_lock configure check
2020-12-09 21:22:54 -08:00
kernel-sched.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-security-inode-init.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-set-nlink.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-setattr-prepare.m4
Linux 5.12 compat: idmapped mounts
2021-03-19 21:00:59 -07:00
kernel-sget-args.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-show-options.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-shrink.m4
Linux 6.0 compat: register_shrinker() now var-arg
2022-08-08 16:18:30 -07:00
kernel-siginfo.m4
Add SIGSTOP and SIGTSTP handling to issig
2021-04-15 13:34:35 -07:00
kernel-signal-stop.m4
Add SIGSTOP and SIGTSTP handling to issig
2021-04-15 13:34:35 -07:00
kernel-special-state.m4
Add SIGSTOP and SIGTSTP handling to issig
2021-04-15 13:34:35 -07:00
kernel-stdarg.m4
Linux 5.15 compat: standalone <linux/stdarg.h>
2021-09-08 12:59:43 -07:00
kernel-super-userns.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-symlink.m4
Linux 5.12 compat: idmapped mounts
2021-03-19 21:00:59 -07:00
kernel-sysfs.m4
autoconf: AC_MSG_CHECKING consistency
2022-06-01 09:59:37 -07:00
kernel-timer.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-tmpfile.m4
Update tmpfile() existence detection
2021-05-20 16:02:36 -07:00
kernel-totalhigh_pages.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-totalram-pages-func.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-truncate-setsize.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-user-ns-inum.m4
Add Linux namespace delegation support
2022-06-10 09:51:46 -07:00
kernel-userns-capabilities.m4
Linux 4.10 compat: has_capability()
2020-07-19 09:56:21 -07:00
kernel-usleep_range.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-vfs-direct_IO.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-vfs-filemap_dirty_folio.m4
autoconf: AC_MSG_CHECKING consistency
2022-06-01 09:59:37 -07:00
kernel-vfs-fsync.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel-vfs-getattr.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-vfs-iov_iter.m4
Linux 5.19 compat: bdev_max_discard_sectors()
2022-05-31 12:04:17 -07:00
kernel-vfs-iterate.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-vfs-read_folio.m4
autoconf: AC_MSG_CHECKING consistency
2022-06-01 09:59:37 -07:00
kernel-vfs-rw-iterate.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-vfs-set_page_dirty.m4
autoconf: AC_MSG_CHECKING consistency
2022-06-01 09:59:37 -07:00
kernel-wait.m4
Perform KABI checks in parallel
2019-10-01 12:50:34 -07:00
kernel-xattr-handler.m4
Add xattr_handler support for Android kernels
2022-09-06 10:02:18 -07:00
kernel-zero_page.m4
Adding ZERO_PAGE detection
2022-03-14 12:37:39 -07:00
kernel-zlib.m4
Linux compat: Minimum kernel version 3.10
2019-11-12 08:59:06 -08:00
kernel.m4
Add Linux posix_fadvise support
2022-09-08 10:29:41 -07:00
lib-ld.m4
config: libintl/libiconv for gettext() detection
2019-04-19 12:09:29 -07:00
lib-link.m4
Clarify comments in config/*.m4, vdev_geom.c, zfs_allow_*.ksh
2020-06-22 09:46:37 -07:00
lib-prefix.m4
Clarify comments in config/*.m4, vdev_geom.c, zfs_allow_*.ksh
2020-06-22 09:46:37 -07:00
mount-helper.m4
Autoconf 2.70 compatibility
2021-01-02 16:55:55 -08:00
nls.m4
config: libintl/libiconv for gettext() detection
2019-04-19 12:09:29 -07:00
pkg.m4
Fix typos in config/
2019-08-30 09:40:30 -07:00
po.m4
config: libintl/libiconv for gettext() detection
2019-04-19 12:09:29 -07:00
progtest.m4
config: libintl/libiconv for gettext() detection
2019-04-19 12:09:29 -07:00
rpm.am
config/zfs-build.m4: never define _initramfs in RPM_DEFINE_UTIL
2020-09-12 08:22:07 -07:00
Rules.am
Enable -Wwrite-strings
2022-06-29 14:08:54 -07:00
Shellcheck.am
autoconf: use include directives instead of recursing down tests (mostly)
2022-05-10 10:20:09 -07:00
Substfiles.am
Replace EXTRA_DIST with dist_noinst_DATA
2022-05-26 09:24:50 -07:00
tgz.am
Make RPM_DEFINE_KMOD conditional on CONFIG_KERNEL
2020-07-14 17:32:21 -07:00
toolchain-simd.m4
Linux 5.16 compat: don't use XSTATE_XSAVE to save FPU state
2022-02-09 12:50:10 -08:00
user-aio.h.m4
config: user: check for <aio.h>
2022-03-28 10:24:22 -07:00
user-clock_gettime.m4
Clean up lib dependencies
2020-07-10 14:26:00 -07:00
user-dracut.m4
Autoconf 2.70 compatibility
2021-01-02 16:55:55 -08:00
user-gettext.m4
Add config.rpath for AM_GNU_GETTEXT
2020-07-10 14:26:12 -07:00
user-libaio.m4
config: user: check for <aio.h>
2022-03-28 10:24:22 -07:00
user-libatomic.m4
config/libatomic: require -latomic iff atomic.c doesn't link w/o it
2021-07-13 13:50:48 -07:00
user-libblkid.m4
Fix up FIND_SYSTEM_LIBRARY to work with cross-compiling
2020-07-10 14:26:40 -07:00
user-libcrypto.m4
Fix up FIND_SYSTEM_LIBRARY to work with cross-compiling
2020-07-10 14:26:40 -07:00
user-libexec.m4
Autoconf 2.70 compatibility
2021-01-02 16:55:55 -08:00
user-libfetch.m4
libfetch: unquote @LIBFETCH_SONAME@ subst
2022-01-06 11:26:40 -08:00
user-libtirpc.m4
Fix up FIND_SYSTEM_LIBRARY to work with cross-compiling
2020-07-10 14:26:40 -07:00
user-libudev.m4
Fix up FIND_SYSTEM_LIBRARY to work with cross-compiling
2020-07-10 14:26:40 -07:00
user-libuuid.m4
Fix up FIND_SYSTEM_LIBRARY to work with cross-compiling
2020-07-10 14:26:40 -07:00
user-makedev.m4
Autoconf 2.70 compatibility
2021-01-02 16:55:55 -08:00
user-pam.m4
Use correct prefix for share/pam-configs
2020-07-30 09:09:46 -07:00
user-runstatedir.m4
Add defs for makefile installation dir vars
2014-03-31 16:11:13 -07:00
user-systemd.m4
autoconf: use include directives instead of recursing down etc
2022-05-10 10:19:58 -07:00
user-sysvinit.m4
autoconf: use include directives instead of recursing down etc
2022-05-10 10:19:58 -07:00
user-udev.m4
Autoconf 2.70 compatibility
2021-01-02 16:55:55 -08:00
user-zlib.m4
Fix up FIND_SYSTEM_LIBRARY to work with cross-compiling
2020-07-10 14:26:40 -07:00
user.m4
config: user: drop ZONENAME, avoid lying about being Linux-only
2022-05-10 10:17:55 -07:00
zfs-build.m4
Silence -Winfinite-recursion warning in luaD_throw()
2022-06-27 14:18:50 -07:00
zfs-meta.m4
Remove basename(1). Clean up/shorten some coreutils pipelines
2021-11-11 13:27:37 -07:00