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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
58 lines
1.3 KiB
Plaintext
58 lines
1.3 KiB
Plaintext
dnl #
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dnl # 4.14 API change
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dnl # kernel_write() which was introduced in 3.9 was updated to take
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dnl # the offset as a pointer which is needed by vn_rdwr().
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_WRITE], [
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AC_MSG_CHECKING([whether kernel_write() takes loff_t pointer])
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tmp_flags="$EXTRA_KCFLAGS"
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EXTRA_KCFLAGS="-Werror"
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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],[
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struct file *file = NULL;
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const void *buf = NULL;
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size_t count = 0;
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loff_t *pos = NULL;
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ssize_t ret;
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ret = kernel_write(file, buf, count, pos);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_KERNEL_WRITE_PPOS, 1,
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[kernel_write() take loff_t pointer])
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],[
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AC_MSG_RESULT(no)
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])
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EXTRA_KCFLAGS="$tmp_flags"
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])
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dnl #
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dnl # 4.14 API change
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dnl # kernel_read() which has existed for forever was updated to take
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dnl # the offset as a pointer which is needed by vn_rdwr().
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_READ], [
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AC_MSG_CHECKING([whether kernel_read() takes loff_t pointer])
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tmp_flags="$EXTRA_KCFLAGS"
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EXTRA_KCFLAGS="-Werror"
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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],[
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struct file *file = NULL;
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void *buf = NULL;
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size_t count = 0;
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loff_t *pos = NULL;
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ssize_t ret;
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ret = kernel_read(file, buf, count, pos);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_KERNEL_READ_PPOS, 1,
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[kernel_read() take loff_t pointer])
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],[
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AC_MSG_RESULT(no)
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])
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EXTRA_KCFLAGS="$tmp_flags"
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])
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