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mirror_zfs/config
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Brian Atkinson a10e552b99
Adding Direct IO Support 
Adding O_DIRECT support to ZFS to bypass the ARC for writes/reads.

O_DIRECT support in ZFS will always ensure there is coherency between
buffered and O_DIRECT IO requests. This ensures that all IO requests,
whether buffered or direct, will see the same file contents at all
times. Just as in other FS's , O_DIRECT does not imply O_SYNC. While
data is written directly to VDEV disks, metadata will not be synced
until the associated  TXG is synced.
For both O_DIRECT read and write request the offset and request sizes,
at a minimum, must be PAGE_SIZE aligned. In the event they are not,
then EINVAL is returned unless the direct property is set to always (see
below).

For O_DIRECT writes:
The request also must be block aligned (recordsize) or the write
request will take the normal (buffered) write path. In the event that
request is block aligned and a cached copy of the buffer in the ARC,
then it will be discarded from the ARC forcing all further reads to
retrieve the data from disk.

For O_DIRECT reads:
The only alignment restrictions are PAGE_SIZE alignment. In the event
that the requested data is in buffered (in the ARC) it will just be
copied from the ARC into the user buffer.

For both O_DIRECT writes and reads the O_DIRECT flag will be ignored in
the event that file contents are mmap'ed. In this case, all requests
that are at least PAGE_SIZE aligned will just fall back to the buffered
paths. If the request however is not PAGE_SIZE aligned, EINVAL will
be returned as always regardless if the file's contents are mmap'ed.

Since O_DIRECT writes go through the normal ZIO pipeline, the
following operations are supported just as with normal buffered writes:
Checksum
Compression
Encryption
Erasure Coding
There is one caveat for the data integrity of O_DIRECT writes that is
distinct for each of the OS's supported by ZFS.
FreeBSD - FreeBSD is able to place user pages under write protection so
          any data in the user buffers and written directly down to the
	  VDEV disks is guaranteed to not change. There is no concern
	  with data integrity and O_DIRECT writes.
Linux - Linux is not able to place anonymous user pages under write
        protection. Because of this, if the user decides to manipulate
	the page contents while the write operation is occurring, data
	integrity can not be guaranteed. However, there is a module
	parameter `zfs_vdev_direct_write_verify` that controls the
	if a O_DIRECT writes that can occur to a top-level VDEV before
	a checksum verify is run before the contents of the I/O buffer
        are committed to disk. In the event of a checksum verification
	failure the write will return EIO. The number of O_DIRECT write
	checksum verification errors can be observed by doing
	`zpool status -d`, which will list all verification errors that
	have occurred on a top-level VDEV. Along with `zpool status`, a
	ZED event will be issues as `dio_verify` when a checksum
	verification error occurs.

ZVOLs and dedup is not currently supported with Direct I/O.

A new dataset property `direct` has been added with the following 3
allowable values:
disabled - Accepts O_DIRECT flag, but silently ignores it and treats
	   the request as a buffered IO request.
standard - Follows the alignment restrictions  outlined above for
	   write/read IO requests when the O_DIRECT flag is used.
always   - Treats every write/read IO request as though it passed
           O_DIRECT and will do O_DIRECT if the alignment restrictions
	   are met otherwise will redirect through the ARC. This
	   property will not allow a request to fail.

There is also a module parameter zfs_dio_enabled that can be used to
force all reads and writes through the ARC. By setting this module
parameter to 0, it mimics as if the  direct dataset property is set to
disabled.

Reviewed-by: Brian Behlendorf <behlendorf@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Atkinson <batkinson@lanl.gov>
Co-authored-by: Mark Maybee <mark.maybee@delphix.com>
Co-authored-by: Matt Macy <mmacy@FreeBSD.org>
Co-authored-by: Brian Behlendorf <behlendorf@llnl.gov>
Closes #10018
2024-09-14 13:47:59 -07:00
..
.gitignore Prepare SPL repo to merge with ZFS repo 2018-05-29 14:51:39 -07:00
always-arch.m4 Add ARM architecture to OpenZFS buildsystem 2023-03-02 13:51:50 -08:00
always-compiler-options.m4 Fix Clang 15 compilation errors 2022-11-30 13:46:26 -08:00
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 Python 3.12 deprecated python3-distutils 2024-04-25 13:40:09 -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 3.12 deprecated python3-distutils 2024-04-25 13:40:09 -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 Fix shebang for helper script of deb-utils 2023-01-05 10:50:00 -08:00
find_system_library.m4 find_system_library: fix var cleanup when library not found 2024-05-01 10:51:14 -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 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
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 6.8 compat: make test functions static 2024-01-29 11:36:07 -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 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-blk-queue.m4 Linux 6.11: get backing_dev_info through queue gendisk 2024-08-13 17:46:49 -07:00
kernel-blkdev.m4 Linux 5.16: use bdev_nr_bytes() to get device capacity 2024-07-15 17:10:06 -07:00
kernel-block-device-operations.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-clear-inode.m4 Perform KABI checks in parallel 2019-10-01 12:50:34 -07:00
kernel-commit-metadata.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -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-cpu_has_feature.m4 Workaround for Linux PowerPC GPL-only cpu_has_feature() 2023-03-10 09:35:00 -08:00
kernel-current-time.m4 Linux 6.7 compat: simplify current_time() check 2023-12-20 11:47:18 -08:00
kernel-declare-event-class.m4 Perform KABI checks in parallel 2019-10-01 12:50:34 -07:00
kernel-dentry-alias.m4 Remove zpl_revalidate: fix snapshot rollback 2022-10-28 09:47:19 -07:00
kernel-dentry-operations.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-dirty-inode.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-discard-granularity.m4 Linux compat: Minimum kernel version 3.10 2019-11-12 08:59:06 -08:00
kernel-encode-fh-inode.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-evict-inode.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-fadvise.m4 Add Linux posix_fadvise support 2022-09-08 10:29:41 -07:00
kernel-fallocate.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -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-filemap-splice-read.m4 Linux 6.5 compat: Use copy_splice_read instead of filemap_splice_read 2023-08-08 15:42:32 -07:00
kernel-filemap.m4 Linux 5.18+ compat: Detect filemap_range_has_page 2024-03-29 17:11:52 -07:00
kernel-flush_dcache_page.m4 compact: workaround for GPL-only symbols on riscv from Linux 6.2 2023-12-06 12:37:50 -08:00
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 6.2 compat: add check for kernel_neon_* availability 2024-01-08 16:05:24 -08:00
kernel-fst-mount.m4 Linux compat: Minimum kernel version 3.10 2019-11-12 08:59:06 -08:00
kernel-fsync-bdev.m4 Linux 6.6 compat: fsync_bdev() has been removed in favor of sync_blockdev() 2023-09-21 18:38:40 -07:00
kernel-fsync.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-generic_fadvise.m4 Add Linux posix_fadvise support 2022-09-08 10:29:41 -07:00
kernel-generic_fillattr.m4 Linux 6.6 compat: generic_fillattr has a new u32 request_mask added at arg2 2023-09-21 18:38:40 -07:00
kernel-generic_io_acct.m4 linux 6.3 compat: add another bdev_io_acct case 2023-03-27 11:29:19 -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 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-get-user-pages.m4 Adding Direct IO Support 2024-09-14 13:47:59 -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-iattr-vfsid.m4 Support idmapped mount in user namespace 2022-11-08 10:28:56 -08:00
kernel-idmap_mnt_api.m4 Linux 6.8 compat: handle mnt_idmap user_namespace change 2024-01-29 11:36:07 -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 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-inode-getattr.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-inode-lock.m4 Perform KABI checks in parallel 2019-10-01 12:50:34 -07:00
kernel-inode-lookup.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-inode-permission.m4 Linux 6.8 compat: fix inode permission tests 2024-01-29 11:36:07 -08:00
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-setattr.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-inode-times.m4 Linux 6.7 compat: use inode atime/mtime accessors 2023-12-20 11:47:40 -08:00
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 Linux 6.3 compat: idmapped mount API changes 2023-04-10 14:15:36 -07:00
kernel-kmap-atomic-args.m4 Linux compat: Minimum kernel version 3.10 2019-11-12 08:59:06 -08:00
kernel-kmap-local-page.m4 Use kmap_local_page instead of kmap_atomic (#16329) 2024-07-16 17:27:29 -07:00
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 6.11: enable queue flush through queue limits 2024-08-13 17:46:41 -07:00
kernel-misc-minor.m4 Perform KABI checks in parallel 2019-10-01 12:50:34 -07:00
kernel-mkdir.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-mknod.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-mm-pagemap.m4 Linux 6.11: add compat macro for page_mapping() 2024-08-13 17:47:18 -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 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-put-link.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-readpages.m4 autoconf: AC_MSG_CHECKING consistency 2022-06-01 09:59:37 -07:00
kernel-reclaim_state.m4 Linux 6.4 compat: reclaimed_slab renamed to reclaimed 2023-05-24 12:23:42 -07:00
kernel-register_sysctl_table.m4 Linux 6.11: avoid passing "end" sentinel to register_sysctl() 2024-08-13 17:47:22 -07:00
kernel-rename.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
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 6.3 compat: idmapped mount API changes 2023-04-10 14:15:36 -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 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-shrink.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
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-strlcpy.m4 Linux 6.8 compat: implement strlcpy fallback 2024-01-29 11:36:07 -08:00
kernel-super-userns.m4 Perform KABI checks in parallel 2019-10-01 12:50:34 -07:00
kernel-symlink.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-sysfs.m4 autoconf: AC_MSG_CHECKING consistency 2022-06-01 09:59:37 -07:00
kernel-timer.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-tmpfile.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
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-types.m4 Linux 6.7 compat: detect if kernel defines intptr_t 2024-05-24 18:54:24 -07:00
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 Adding Direct IO Support 2024-09-14 13:47:59 -07:00
kernel-vfs-extended-file_range.m4 linux: implement filesystem-side copy/clone functions for EL7 2023-07-24 16:37:04 -07:00
kernel-vfs-file_range.m4 Linux 6.8 compat: use splice_copy_file_range() for fallback 2024-03-20 16:46:15 -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 Adding Direct IO Support 2024-09-14 13:47:59 -07:00
kernel-vfs-iterate.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-vfs-read_folio.m4 autoconf: AC_MSG_CHECKING consistency 2022-06-01 09:59:37 -07:00
kernel-vfs-rw-iterate.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
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-writepage_t.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
kernel-xattr-handler.m4 Linux 6.8 compat: make test functions static 2024-01-29 11:36:07 -08:00
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 Adding Direct IO Support 2024-09-14 13:47:59 -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 Make sure all necessary RPM path macros are defined 2024-01-16 13:32:59 -08:00
Rules.am build: rename FORCEDEBUG_CPPFLAGS to LIBZPOOL_CPPFLAGS 2024-08-27 12:53:27 -07:00
Shellcheck.am shellcheck: disable "unreachable command" check [SC2317] 2023-07-21 11:53:06 -07:00
Substfiles.am config/Substfiles.am: restrict to the dedicated list. 2024-04-09 16:34:58 -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-backtrace.m4 libspl/assert: dump backtrace in assert 2024-05-01 10:52:00 -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-libunwind.m4 libspl/assert: use libunwind for backtrace when available 2024-05-01 10:52:05 -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 libspl/assert: use libunwind for backtrace when available 2024-05-01 10:52:05 -07:00
zfs-build.m4 Add building support for Artix Linux (#16265) 2024-07-15 16:58:00 -07:00
zfs-meta.m4 Remove basename(1). Clean up/shorten some coreutils pipelines 2021-11-11 13:27:37 -07:00