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https://git.proxmox.com/git/mirror_zfs
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1cb46d9d1a
Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #16479
785 lines
20 KiB
Plaintext
785 lines
20 KiB
Plaintext
dnl #
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dnl # 2.6.38 API change,
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dnl # Added blkdev_get_by_path()
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_GET_BY_PATH], [
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ZFS_LINUX_TEST_SRC([blkdev_get_by_path], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct block_device *bdev __attribute__ ((unused)) = NULL;
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const char *path = "path";
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fmode_t mode = 0;
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void *holder = NULL;
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bdev = blkdev_get_by_path(path, mode, holder);
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])
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])
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dnl #
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dnl # 6.5.x API change,
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dnl # blkdev_get_by_path() takes 4 args
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_GET_BY_PATH_4ARG], [
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ZFS_LINUX_TEST_SRC([blkdev_get_by_path_4arg], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct block_device *bdev __attribute__ ((unused)) = NULL;
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const char *path = "path";
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fmode_t mode = 0;
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void *holder = NULL;
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struct blk_holder_ops h;
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bdev = blkdev_get_by_path(path, mode, holder, &h);
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])
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])
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dnl #
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dnl # 6.8.x API change
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dnl # bdev_open_by_path() replaces blkdev_get_by_path()
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_OPEN_BY_PATH], [
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ZFS_LINUX_TEST_SRC([bdev_open_by_path], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct bdev_handle *bdh __attribute__ ((unused)) = NULL;
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const char *path = "path";
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fmode_t mode = 0;
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void *holder = NULL;
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struct blk_holder_ops h;
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bdh = bdev_open_by_path(path, mode, holder, &h);
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])
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])
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dnl #
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dnl # 6.9.x API change
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dnl # bdev_file_open_by_path() replaced bdev_open_by_path(),
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dnl # and returns struct file*
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BDEV_FILE_OPEN_BY_PATH], [
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ZFS_LINUX_TEST_SRC([bdev_file_open_by_path], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct file *file __attribute__ ((unused)) = NULL;
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const char *path = "path";
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fmode_t mode = 0;
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void *holder = NULL;
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struct blk_holder_ops h;
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file = bdev_file_open_by_path(path, mode, holder, &h);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH], [
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AC_MSG_CHECKING([whether blkdev_get_by_path() exists and takes 3 args])
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ZFS_LINUX_TEST_RESULT([blkdev_get_by_path], [
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AC_MSG_RESULT(yes)
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], [
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether blkdev_get_by_path() exists and takes 4 args])
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ZFS_LINUX_TEST_RESULT([blkdev_get_by_path_4arg], [
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AC_DEFINE(HAVE_BLKDEV_GET_BY_PATH_4ARG, 1,
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[blkdev_get_by_path() exists and takes 4 args])
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AC_MSG_RESULT(yes)
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], [
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether bdev_open_by_path() exists])
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ZFS_LINUX_TEST_RESULT([bdev_open_by_path], [
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AC_DEFINE(HAVE_BDEV_OPEN_BY_PATH, 1,
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[bdev_open_by_path() exists])
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AC_MSG_RESULT(yes)
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], [
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether bdev_file_open_by_path() exists])
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ZFS_LINUX_TEST_RESULT([bdev_file_open_by_path], [
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AC_DEFINE(HAVE_BDEV_FILE_OPEN_BY_PATH, 1,
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[bdev_file_open_by_path() exists])
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AC_MSG_RESULT(yes)
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], [
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AC_MSG_RESULT(no)
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ZFS_LINUX_TEST_ERROR([blkdev_get_by_path()])
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])
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])
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])
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])
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])
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dnl #
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dnl # 6.5.x API change
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dnl # blk_mode_t was added as a type to supercede some places where fmode_t
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dnl # is used
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BLK_MODE_T], [
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ZFS_LINUX_TEST_SRC([blk_mode_t], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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blk_mode_t m __attribute((unused)) = (blk_mode_t)0;
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BLK_MODE_T], [
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AC_MSG_CHECKING([whether blk_mode_t is defined])
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ZFS_LINUX_TEST_RESULT([blk_mode_t], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLK_MODE_T, 1, [blk_mode_t is defined])
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], [
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 2.6.38 API change,
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dnl # Added blkdev_put()
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_PUT], [
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ZFS_LINUX_TEST_SRC([blkdev_put], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct block_device *bdev = NULL;
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fmode_t mode = 0;
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blkdev_put(bdev, mode);
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])
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])
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dnl #
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dnl # 6.5.x API change.
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dnl # blkdev_put() takes (void* holder) as arg 2
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_PUT_HOLDER], [
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ZFS_LINUX_TEST_SRC([blkdev_put_holder], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct block_device *bdev = NULL;
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void *holder = NULL;
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blkdev_put(bdev, holder);
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])
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])
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dnl #
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dnl # 6.8.x API change
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dnl # bdev_release() replaces blkdev_put()
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_RELEASE], [
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ZFS_LINUX_TEST_SRC([bdev_release], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct bdev_handle *bdh = NULL;
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bdev_release(bdh);
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])
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])
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dnl #
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dnl # 6.9.x API change
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dnl #
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dnl # bdev_release() now private, but because bdev_file_open_by_path() returns
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dnl # struct file*, we can just use fput(). So the blkdev_put test no longer
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dnl # fails if not found.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_PUT], [
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AC_MSG_CHECKING([whether blkdev_put() exists])
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ZFS_LINUX_TEST_RESULT([blkdev_put], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLKDEV_PUT, 1, [blkdev_put() exists])
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], [
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether blkdev_put() accepts void* as arg 2])
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ZFS_LINUX_TEST_RESULT([blkdev_put_holder], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLKDEV_PUT_HOLDER, 1,
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[blkdev_put() accepts void* as arg 2])
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], [
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether bdev_release() exists])
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ZFS_LINUX_TEST_RESULT([bdev_release], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BDEV_RELEASE, 1,
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[bdev_release() exists])
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], [
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AC_MSG_RESULT(no)
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])
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])
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])
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])
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dnl #
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dnl # 4.1 API, exported blkdev_reread_part() symbol, back ported to the
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dnl # 3.10.0 CentOS 7.x enterprise kernels.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_REREAD_PART], [
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ZFS_LINUX_TEST_SRC([blkdev_reread_part], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct block_device *bdev = NULL;
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int error;
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error = blkdev_reread_part(bdev);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_REREAD_PART], [
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AC_MSG_CHECKING([whether blkdev_reread_part() exists])
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ZFS_LINUX_TEST_RESULT([blkdev_reread_part], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLKDEV_REREAD_PART, 1,
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[blkdev_reread_part() exists])
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], [
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # check_disk_change() was removed in 5.10
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_CHECK_DISK_CHANGE], [
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ZFS_LINUX_TEST_SRC([check_disk_change], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct block_device *bdev = NULL;
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bool error;
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error = check_disk_change(bdev);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_CHECK_DISK_CHANGE], [
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AC_MSG_CHECKING([whether check_disk_change() exists])
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ZFS_LINUX_TEST_RESULT([check_disk_change], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_CHECK_DISK_CHANGE, 1,
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[check_disk_change() exists])
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], [
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 6.5.x API change
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dnl # disk_check_media_change() was added
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_DISK_CHECK_MEDIA_CHANGE], [
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ZFS_LINUX_TEST_SRC([disk_check_media_change], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct block_device *bdev = NULL;
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bool error;
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error = disk_check_media_change(bdev->bd_disk);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_DISK_CHECK_MEDIA_CHANGE], [
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AC_MSG_CHECKING([whether disk_check_media_change() exists])
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ZFS_LINUX_TEST_RESULT([disk_check_media_change], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_DISK_CHECK_MEDIA_CHANGE, 1,
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[disk_check_media_change() exists])
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], [
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # bdev_kobj() is introduced from 5.12
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_KOBJ], [
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ZFS_LINUX_TEST_SRC([bdev_kobj], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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#include <linux/kobject.h>
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], [
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struct block_device *bdev = NULL;
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struct kobject *disk_kobj;
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disk_kobj = bdev_kobj(bdev);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_KOBJ], [
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AC_MSG_CHECKING([whether bdev_kobj() exists])
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ZFS_LINUX_TEST_RESULT([bdev_kobj], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BDEV_KOBJ, 1,
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[bdev_kobj() exists])
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], [
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # part_to_dev() was removed in 5.12
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_PART_TO_DEV], [
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ZFS_LINUX_TEST_SRC([part_to_dev], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct hd_struct *p = NULL;
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struct device *pdev;
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pdev = part_to_dev(p);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_PART_TO_DEV], [
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AC_MSG_CHECKING([whether part_to_dev() exists])
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ZFS_LINUX_TEST_RESULT([part_to_dev], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_PART_TO_DEV, 1,
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[part_to_dev() exists])
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], [
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 5.10 API, check_disk_change() is removed, in favor of
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dnl # bdev_check_media_change(), which doesn't force revalidation
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_CHECK_MEDIA_CHANGE], [
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ZFS_LINUX_TEST_SRC([bdev_check_media_change], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct block_device *bdev = NULL;
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int error;
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error = bdev_check_media_change(bdev);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_CHECK_MEDIA_CHANGE], [
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AC_MSG_CHECKING([whether bdev_check_media_change() exists])
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ZFS_LINUX_TEST_RESULT([bdev_check_media_change], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BDEV_CHECK_MEDIA_CHANGE, 1,
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[bdev_check_media_change() exists])
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], [
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AC_MSG_RESULT(no)
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])
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])
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dnl #
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dnl # 2.6.22 API change
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dnl # Single argument invalidate_bdev()
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_INVALIDATE_BDEV], [
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ZFS_LINUX_TEST_SRC([invalidate_bdev], [
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#include <linux/buffer_head.h>
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#include <linux/blkdev.h>
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],[
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struct block_device *bdev = NULL;
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invalidate_bdev(bdev);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_INVALIDATE_BDEV], [
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AC_MSG_CHECKING([whether invalidate_bdev() exists])
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ZFS_LINUX_TEST_RESULT([invalidate_bdev], [
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AC_MSG_RESULT(yes)
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],[
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ZFS_LINUX_TEST_ERROR([invalidate_bdev()])
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])
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])
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dnl #
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dnl # 5.11 API, lookup_bdev() takes dev_t argument.
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dnl # 2.6.27 API, lookup_bdev() was first exported.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_LOOKUP_BDEV], [
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ZFS_LINUX_TEST_SRC([lookup_bdev_devt], [
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#include <linux/blkdev.h>
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], [
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int error __attribute__ ((unused));
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const char path[] = "/example/path";
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dev_t dev;
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error = lookup_bdev(path, &dev);
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])
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ZFS_LINUX_TEST_SRC([lookup_bdev_1arg], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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struct block_device *bdev __attribute__ ((unused));
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const char path[] = "/example/path";
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bdev = lookup_bdev(path);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_LOOKUP_BDEV], [
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AC_MSG_CHECKING([whether lookup_bdev() wants dev_t arg])
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ZFS_LINUX_TEST_RESULT_SYMBOL([lookup_bdev_devt],
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[lookup_bdev], [fs/block_dev.c], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_DEVT_LOOKUP_BDEV, 1,
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[lookup_bdev() wants dev_t arg])
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], [
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether lookup_bdev() wants 1 arg])
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ZFS_LINUX_TEST_RESULT_SYMBOL([lookup_bdev_1arg],
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[lookup_bdev], [fs/block_dev.c], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_1ARG_LOOKUP_BDEV, 1,
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[lookup_bdev() wants 1 arg])
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], [
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ZFS_LINUX_TEST_ERROR([lookup_bdev()])
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])
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])
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])
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dnl #
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dnl # 2.6.30 API change
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dnl #
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dnl # The bdev_physical_block_size() interface was added to provide a way
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dnl # to determine the smallest write which can be performed without a
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dnl # read-modify-write operation.
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dnl #
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dnl # Unfortunately, this interface isn't entirely reliable because
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dnl # drives are sometimes known to misreport this value.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_PHYSICAL_BLOCK_SIZE], [
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ZFS_LINUX_TEST_SRC([bdev_physical_block_size], [
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#include <linux/blkdev.h>
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],[
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struct block_device *bdev __attribute__ ((unused)) = NULL;
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bdev_physical_block_size(bdev);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_PHYSICAL_BLOCK_SIZE], [
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AC_MSG_CHECKING([whether bdev_physical_block_size() is available])
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ZFS_LINUX_TEST_RESULT([bdev_physical_block_size], [
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AC_MSG_RESULT(yes)
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],[
|
|
ZFS_LINUX_TEST_ERROR([bdev_physical_block_size()])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 2.6.30 API change
|
|
dnl # Added bdev_logical_block_size().
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_LOGICAL_BLOCK_SIZE], [
|
|
ZFS_LINUX_TEST_SRC([bdev_logical_block_size], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev __attribute__ ((unused)) = NULL;
|
|
bdev_logical_block_size(bdev);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_LOGICAL_BLOCK_SIZE], [
|
|
AC_MSG_CHECKING([whether bdev_logical_block_size() is available])
|
|
ZFS_LINUX_TEST_RESULT([bdev_logical_block_size], [
|
|
AC_MSG_RESULT(yes)
|
|
],[
|
|
ZFS_LINUX_TEST_ERROR([bdev_logical_block_size()])
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 5.11 API change
|
|
dnl # Added bdev_whole() helper.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_WHOLE], [
|
|
ZFS_LINUX_TEST_SRC([bdev_whole], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev = NULL;
|
|
bdev = bdev_whole(bdev);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_WHOLE], [
|
|
AC_MSG_CHECKING([whether bdev_whole() is available])
|
|
ZFS_LINUX_TEST_RESULT([bdev_whole], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BDEV_WHOLE, 1, [bdev_whole() is available])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 5.16 API change
|
|
dnl # Added bdev_nr_bytes() helper.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_NR_BYTES], [
|
|
ZFS_LINUX_TEST_SRC([bdev_nr_bytes], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev = NULL;
|
|
loff_t nr_bytes __attribute__ ((unused)) = 0;
|
|
nr_bytes = bdev_nr_bytes(bdev);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_NR_BYTES], [
|
|
AC_MSG_CHECKING([whether bdev_nr_bytes() is available])
|
|
ZFS_LINUX_TEST_RESULT([bdev_nr_bytes], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BDEV_NR_BYTES, 1, [bdev_nr_bytes() is available])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 5.20 API change,
|
|
dnl # Removed bdevname(), snprintf(.., %pg) should be used.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BDEVNAME], [
|
|
ZFS_LINUX_TEST_SRC([bdevname], [
|
|
#include <linux/fs.h>
|
|
#include <linux/blkdev.h>
|
|
], [
|
|
struct block_device *bdev __attribute__ ((unused)) = NULL;
|
|
char path[BDEVNAME_SIZE];
|
|
|
|
(void) bdevname(bdev, path);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEVNAME], [
|
|
AC_MSG_CHECKING([whether bdevname() exists])
|
|
ZFS_LINUX_TEST_RESULT([bdevname], [
|
|
AC_DEFINE(HAVE_BDEVNAME, 1, [bdevname() is available])
|
|
AC_MSG_RESULT(yes)
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # TRIM support: discard and secure erase. We make use of asynchronous
|
|
dnl # functions when available.
|
|
dnl #
|
|
dnl # 3.10:
|
|
dnl # sync discard: blkdev_issue_discard(..., 0)
|
|
dnl # sync erase: blkdev_issue_discard(..., BLKDEV_DISCARD_SECURE)
|
|
dnl # async discard: [not available]
|
|
dnl # async erase: [not available]
|
|
dnl #
|
|
dnl # 4.7:
|
|
dnl # sync discard: blkdev_issue_discard(..., 0)
|
|
dnl # sync erase: blkdev_issue_discard(..., BLKDEV_DISCARD_SECURE)
|
|
dnl # async discard: __blkdev_issue_discard(..., 0)
|
|
dnl # async erase: __blkdev_issue_discard(..., BLKDEV_DISCARD_SECURE)
|
|
dnl #
|
|
dnl # 5.19:
|
|
dnl # sync discard: blkdev_issue_discard(...)
|
|
dnl # sync erase: blkdev_issue_secure_erase(...)
|
|
dnl # async discard: __blkdev_issue_discard(...)
|
|
dnl # async erase: [not available]
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_ISSUE_DISCARD], [
|
|
ZFS_LINUX_TEST_SRC([blkdev_issue_discard_noflags], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev = NULL;
|
|
sector_t sector = 0;
|
|
sector_t nr_sects = 0;
|
|
int error __attribute__ ((unused));
|
|
|
|
error = blkdev_issue_discard(bdev,
|
|
sector, nr_sects, GFP_KERNEL);
|
|
])
|
|
ZFS_LINUX_TEST_SRC([blkdev_issue_discard_flags], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev = NULL;
|
|
sector_t sector = 0;
|
|
sector_t nr_sects = 0;
|
|
unsigned long flags = 0;
|
|
int error __attribute__ ((unused));
|
|
|
|
error = blkdev_issue_discard(bdev,
|
|
sector, nr_sects, GFP_KERNEL, flags);
|
|
])
|
|
ZFS_LINUX_TEST_SRC([blkdev_issue_discard_async_noflags], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev = NULL;
|
|
sector_t sector = 0;
|
|
sector_t nr_sects = 0;
|
|
struct bio *biop = NULL;
|
|
int error __attribute__ ((unused));
|
|
|
|
error = __blkdev_issue_discard(bdev,
|
|
sector, nr_sects, GFP_KERNEL, &biop);
|
|
])
|
|
ZFS_LINUX_TEST_SRC([blkdev_issue_discard_async_flags], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev = NULL;
|
|
sector_t sector = 0;
|
|
sector_t nr_sects = 0;
|
|
unsigned long flags = 0;
|
|
struct bio *biop = NULL;
|
|
int error __attribute__ ((unused));
|
|
|
|
error = __blkdev_issue_discard(bdev,
|
|
sector, nr_sects, GFP_KERNEL, flags, &biop);
|
|
])
|
|
ZFS_LINUX_TEST_SRC([blkdev_issue_secure_erase], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
struct block_device *bdev = NULL;
|
|
sector_t sector = 0;
|
|
sector_t nr_sects = 0;
|
|
int error __attribute__ ((unused));
|
|
|
|
error = blkdev_issue_secure_erase(bdev,
|
|
sector, nr_sects, GFP_KERNEL);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_ISSUE_DISCARD], [
|
|
AC_MSG_CHECKING([whether blkdev_issue_discard() is available])
|
|
ZFS_LINUX_TEST_RESULT([blkdev_issue_discard_noflags], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BLKDEV_ISSUE_DISCARD_NOFLAGS, 1,
|
|
[blkdev_issue_discard() is available])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING([whether blkdev_issue_discard(flags) is available])
|
|
ZFS_LINUX_TEST_RESULT([blkdev_issue_discard_flags], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BLKDEV_ISSUE_DISCARD_FLAGS, 1,
|
|
[blkdev_issue_discard(flags) is available])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING([whether __blkdev_issue_discard() is available])
|
|
ZFS_LINUX_TEST_RESULT([blkdev_issue_discard_async_noflags], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BLKDEV_ISSUE_DISCARD_ASYNC_NOFLAGS, 1,
|
|
[__blkdev_issue_discard() is available])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING([whether __blkdev_issue_discard(flags) is available])
|
|
ZFS_LINUX_TEST_RESULT([blkdev_issue_discard_async_flags], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BLKDEV_ISSUE_DISCARD_ASYNC_FLAGS, 1,
|
|
[__blkdev_issue_discard(flags) is available])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
AC_MSG_CHECKING([whether blkdev_issue_secure_erase() is available])
|
|
ZFS_LINUX_TEST_RESULT([blkdev_issue_secure_erase], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BLKDEV_ISSUE_SECURE_ERASE, 1,
|
|
[blkdev_issue_secure_erase() is available])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 5.13 API change
|
|
dnl # blkdev_get_by_path() no longer handles ERESTARTSYS
|
|
dnl #
|
|
dnl # Unfortunately we're forced to rely solely on the kernel version
|
|
dnl # number in order to determine the expected behavior. This was an
|
|
dnl # internal change to blkdev_get_by_dev(), see commit a8ed1a0607.
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_ERESTARTSYS], [
|
|
AC_MSG_CHECKING([whether blkdev_get_by_path() handles ERESTARTSYS])
|
|
AS_VERSION_COMPARE([$LINUX_VERSION], [5.13.0], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_BLKDEV_GET_ERESTARTSYS, 1,
|
|
[blkdev_get_by_path() handles ERESTARTSYS])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 6.5.x API change
|
|
dnl # BLK_STS_NEXUS replaced with BLK_STS_RESV_CONFLICT
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_BLK_STS_RESV_CONFLICT], [
|
|
ZFS_LINUX_TEST_SRC([blk_sts_resv_conflict], [
|
|
#include <linux/blkdev.h>
|
|
],[
|
|
blk_status_t s __attribute__ ((unused)) = BLK_STS_RESV_CONFLICT;
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BLK_STS_RESV_CONFLICT], [
|
|
AC_MSG_CHECKING([whether BLK_STS_RESV_CONFLICT is defined])
|
|
ZFS_LINUX_TEST_RESULT([blk_sts_resv_conflict], [
|
|
AC_DEFINE(HAVE_BLK_STS_RESV_CONFLICT, 1, [BLK_STS_RESV_CONFLICT is defined])
|
|
AC_MSG_RESULT(yes)
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV], [
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_GET_BY_PATH
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_GET_BY_PATH_4ARG
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_OPEN_BY_PATH
|
|
ZFS_AC_KERNEL_SRC_BDEV_FILE_OPEN_BY_PATH
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_PUT
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_PUT_HOLDER
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_RELEASE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_REREAD_PART
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_INVALIDATE_BDEV
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_LOOKUP_BDEV
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_LOGICAL_BLOCK_SIZE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_PHYSICAL_BLOCK_SIZE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_CHECK_DISK_CHANGE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_CHECK_MEDIA_CHANGE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_WHOLE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_NR_BYTES
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEVNAME
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_ISSUE_DISCARD
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BDEV_KOBJ
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_PART_TO_DEV
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_DISK_CHECK_MEDIA_CHANGE
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BLK_STS_RESV_CONFLICT
|
|
ZFS_AC_KERNEL_SRC_BLKDEV_BLK_MODE_T
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV], [
|
|
ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH
|
|
ZFS_AC_KERNEL_BLKDEV_PUT
|
|
ZFS_AC_KERNEL_BLKDEV_REREAD_PART
|
|
ZFS_AC_KERNEL_BLKDEV_INVALIDATE_BDEV
|
|
ZFS_AC_KERNEL_BLKDEV_LOOKUP_BDEV
|
|
ZFS_AC_KERNEL_BLKDEV_BDEV_LOGICAL_BLOCK_SIZE
|
|
ZFS_AC_KERNEL_BLKDEV_BDEV_PHYSICAL_BLOCK_SIZE
|
|
ZFS_AC_KERNEL_BLKDEV_CHECK_DISK_CHANGE
|
|
ZFS_AC_KERNEL_BLKDEV_BDEV_CHECK_MEDIA_CHANGE
|
|
ZFS_AC_KERNEL_BLKDEV_BDEV_WHOLE
|
|
ZFS_AC_KERNEL_BLKDEV_BDEV_NR_BYTES
|
|
ZFS_AC_KERNEL_BLKDEV_BDEVNAME
|
|
ZFS_AC_KERNEL_BLKDEV_GET_ERESTARTSYS
|
|
ZFS_AC_KERNEL_BLKDEV_ISSUE_DISCARD
|
|
ZFS_AC_KERNEL_BLKDEV_BDEV_KOBJ
|
|
ZFS_AC_KERNEL_BLKDEV_PART_TO_DEV
|
|
ZFS_AC_KERNEL_BLKDEV_DISK_CHECK_MEDIA_CHANGE
|
|
ZFS_AC_KERNEL_BLKDEV_BLK_STS_RESV_CONFLICT
|
|
ZFS_AC_KERNEL_BLKDEV_BLK_MODE_T
|
|
])
|