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Linux 5.19 compat: bdev_max_secure_erase_sectors()

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Linux 5.19 commit torvalds/linux@44abff2c0 removed the
blk_queue_secure_erase() helper function.  The preferred
interface is to now use the bdev_max_secure_erase_sectors()
function to check for discard support.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13515
This commit is contained in:
Brian Behlendorf
2022-05-27 18:20:04 +00:00
parent 5e4aedaca7
commit e2c31f2bc7
3 changed files with 43 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
config/kernel-blk-queue.m4
+30 -14
View File
@@ -133,13 +133,20 @@ AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_DISCARD], [
])
dnl #
dnl # 4.8 API,
dnl # blk_queue_secure_erase()
dnl #
dnl # 2.6.36 - 4.7 API,
dnl # blk_queue_secdiscard()
dnl # 5.19: bdev_max_secure_erase_sectors() available
dnl # 4.8: blk_queue_secure_erase() available
dnl # 2.6.36: blk_queue_secdiscard() available
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_BLK_QUEUE_SECURE_ERASE], [
ZFS_LINUX_TEST_SRC([bdev_max_secure_erase_sectors], [
#include <linux/blkdev.h>
],[
struct block_device *bdev __attribute__ ((unused)) = NULL;
unsigned int error __attribute__ ((unused));
error = bdev_max_secure_erase_sectors(bdev);
])
ZFS_LINUX_TEST_SRC([blk_queue_secure_erase], [
#include <linux/blkdev.h>
],[
@@ -162,21 +169,30 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_BLK_QUEUE_SECURE_ERASE], [
])
AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_SECURE_ERASE], [
AC_MSG_CHECKING([whether blk_queue_secure_erase() is available])
ZFS_LINUX_TEST_RESULT([blk_queue_secure_erase], [
AC_MSG_CHECKING([whether bdev_max_secure_erase_sectors() is available])
ZFS_LINUX_TEST_RESULT([bdev_max_secure_erase_sectors], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_QUEUE_SECURE_ERASE, 1,
[blk_queue_secure_erase() is available])
AC_DEFINE(HAVE_BDEV_MAX_SECURE_ERASE_SECTORS, 1,
[bdev_max_secure_erase_sectors() is available])
],[
AC_MSG_RESULT(no)
AC_MSG_CHECKING([whether blk_queue_secdiscard() is available])
ZFS_LINUX_TEST_RESULT([blk_queue_secdiscard], [
AC_MSG_CHECKING([whether blk_queue_secure_erase() is available])
ZFS_LINUX_TEST_RESULT([blk_queue_secure_erase], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_QUEUE_SECDISCARD, 1,
[blk_queue_secdiscard() is available])
AC_DEFINE(HAVE_BLK_QUEUE_SECURE_ERASE, 1,
[blk_queue_secure_erase() is available])
],[
ZFS_LINUX_TEST_ERROR([blk_queue_secure_erase])
AC_MSG_RESULT(no)
AC_MSG_CHECKING([whether blk_queue_secdiscard() is available])
ZFS_LINUX_TEST_RESULT([blk_queue_secdiscard], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_QUEUE_SECDISCARD, 1,
[blk_queue_secdiscard() is available])
],[
ZFS_LINUX_TEST_ERROR([blk_queue_secure_erase])
])
])
])
])