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93ce2b4ca5
Minimal changes required to integrate the SPL sources in to the
ZFS repository build infrastructure and packaging.
Build system and packaging:
* Renamed SPL_* autoconf m4 macros to ZFS_*.
* Removed redundant SPL_* autoconf m4 macros.
* Updated the RPM spec files to remove SPL package dependency.
* The zfs package obsoletes the spl package, and the zfs-kmod
package obsoletes the spl-kmod package.
* The zfs-kmod-devel* packages were updated to add compatibility
symlinks under /usr/src/spl-x.y.z until all dependent packages
can be updated. They will be removed in a future release.
* Updated copy-builtin script for in-kernel builds.
* Updated DKMS package to include the spl.ko.
* Updated stale AUTHORS file to include all contributors.
* Updated stale COPYRIGHT and included the SPL as an exception.
* Renamed README.markdown to README.md
* Renamed OPENSOLARIS.LICENSE to LICENSE.
* Renamed DISCLAIMER to NOTICE.
Required code changes:
* Removed redundant HAVE_SPL macro.
* Removed _BOOT from nvpairs since it doesn't apply for Linux.
* Initial header cleanup (removal of empty headers, refactoring).
* Remove SPL repository clone/build from zimport.sh.
* Use of DEFINE_RATELIMIT_STATE and DEFINE_SPINLOCK removed due
to build issues when forcing C99 compilation.
* Replaced legacy ACCESS_ONCE with READ_ONCE.
* Include needed headers for `current` and `EXPORT_SYMBOL`.
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Pavel Zakharov <pavel.zakharov@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
TEST_ZIMPORT_SKIP="yes"
Closes #7556
22 lines
560 B
Plaintext
22 lines
560 B
Plaintext
dnl #
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dnl # 2.6.36 API compatibility.
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dnl # Added usleep_range timer.
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dnl # usleep_range is a finer precision implementation of msleep
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dnl # designed to be a drop-in replacement for udelay where a precise
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dnl # sleep / busy-wait is unnecessary.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_USLEEP_RANGE], [
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AC_MSG_CHECKING([whether usleep_range() is available])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/delay.h>
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],[
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usleep_range(0, 0);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_USLEEP_RANGE, 1,
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[usleep_range is available])
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],[
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AC_MSG_RESULT(no)
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])
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])
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