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Linux 6.5 compat: disk_check_media_change() was added

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The disk_check_media_change() function was added which replaces
bdev_check_media_change.  This change was introduced in 6.5rc1
444aa2c58cb3b6cfe3b7cc7db6c294d73393a894 and the new function takes a
gendisk* as its argument, no longer a block_device*. Thus, bdev->bd_disk
is now used to pass the expected data.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Coleman Kane <ckane@colemankane.org>
Closes #15060
This commit is contained in:
Coleman Kane 2023-07-20 12:09:25 -04:00 committed by Tony Hutter
parent f52d9b6f42
commit e45ca514e8
2 changed files with 31 additions and 0 deletions
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29
config/kernel-blkdev.m4
View File

@ -103,6 +103,33 @@ AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_CHECK_DISK_CHANGE], [
])
])
dnl #
dnl # 6.5.x API change
dnl # disk_check_media_change() was added
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_DISK_CHECK_MEDIA_CHANGE], [
ZFS_LINUX_TEST_SRC([disk_check_media_change], [
#include <linux/fs.h>
#include <linux/blkdev.h>
], [
struct block_device *bdev = NULL;
bool error;
error = disk_check_media_change(bdev->bd_disk);
])
])
AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_DISK_CHECK_MEDIA_CHANGE], [
AC_MSG_CHECKING([whether disk_check_media_change() exists])
ZFS_LINUX_TEST_RESULT([disk_check_media_change], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DISK_CHECK_MEDIA_CHANGE, 1,
[disk_check_media_change() exists])
], [
AC_MSG_RESULT(no)
])
])
dnl #
dnl # bdev_kobj() is introduced from 5.12
dnl #
@ -481,6 +508,7 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV], [
ZFS_AC_KERNEL_SRC_BLKDEV_ISSUE_SECURE_ERASE
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
])
@ -500,5 +528,6 @@ AC_DEFUN([ZFS_AC_KERNEL_BLKDEV], [
ZFS_AC_KERNEL_BLKDEV_ISSUE_SECURE_ERASE
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
])

2
include/os/linux/kernel/linux/blkdev_compat.h
View File

@ -334,6 +334,8 @@ zfs_check_media_change(struct block_device *bdev)
return (0);
}
#define vdev_bdev_reread_part(bdev) zfs_check_media_change(bdev)
#elif defined(HAVE_DISK_CHECK_MEDIA_CHANGE)
#define vdev_bdev_reread_part(bdev) disk_check_media_change(bdev->bd_disk)
#else
/*
* This is encountered if check_disk_change() and bdev_check_media_change()