diff options
| author | Brian Behlendorf <[email protected]> | 2022-05-27 19:40:22 +0000 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2022-05-31 12:04:26 -0700 |
| commit | a12a5cb5b821f24f26d388094cdac79deb0e879f (patch) | |
| tree | 48503af5a681f671f8638e910c37ab09ceb3a634 /config/kernel-blkdev.m4 | |
| parent | e2c31f2bc7d190fbd8fc5c13bac23daffc5d7b56 (diff) | |
Linux 5.19 compat: blkdev_issue_secure_erase()
Linux 5.19 commit torvalds/linux@44abff2c0 splits the secure
erase functionality from the blkdev_issue_discard() function.
The blkdev_issue_secure_erase() must now be issued to issue
a secure erase.
Reviewed-by: Tony Hutter <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #13515
Diffstat (limited to 'config/kernel-blkdev.m4')
| -rw-r--r-- | config/kernel-blkdev.m4 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/config/kernel-blkdev.m4 b/config/kernel-blkdev.m4 index 9c60e5dd4..fb7b1a458 100644 --- a/config/kernel-blkdev.m4 +++ b/config/kernel-blkdev.m4 @@ -295,6 +295,57 @@ AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_BDEV_WHOLE], [ ]) dnl # +dnl # 5.19 API: blkdev_issue_secure_erase() +dnl # 3.10 API: blkdev_issue_discard(..., BLKDEV_DISCARD_SECURE) +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV_ISSUE_SECURE_ERASE], [ + 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); + ]) + + 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); + ]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_ISSUE_SECURE_ERASE], [ + 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) + + AC_MSG_CHECKING([whether blkdev_issue_discard() is available]) + ZFS_LINUX_TEST_RESULT([blkdev_issue_discard_flags], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLKDEV_ISSUE_DISCARD, 1, + [blkdev_issue_discard() is available]) + ],[ + ZFS_LINUX_TEST_ERROR([blkdev_issue_discard()]) + ]) + ]) +]) + +dnl # dnl # 5.13 API change dnl # blkdev_get_by_path() no longer handles ERESTARTSYS dnl # @@ -326,6 +377,7 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_BLKDEV], [ 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_ISSUE_SECURE_ERASE ]) AC_DEFUN([ZFS_AC_KERNEL_BLKDEV], [ @@ -340,4 +392,5 @@ AC_DEFUN([ZFS_AC_KERNEL_BLKDEV], [ ZFS_AC_KERNEL_BLKDEV_BDEV_CHECK_MEDIA_CHANGE ZFS_AC_KERNEL_BLKDEV_BDEV_WHOLE ZFS_AC_KERNEL_BLKDEV_GET_ERESTARTSYS + ZFS_AC_KERNEL_BLKDEV_ISSUE_SECURE_ERASE ]) |