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Linux 5.20 compat: blk_cleanup_disk()

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As of the Linux 5.20 kernel blk_cleanup_disk() has been removed,
all callers should use put_disk().

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13728
This commit is contained in:
Brian Behlendorf 2022-08-03 17:37:52 -07:00
parent bebdf52a16
commit c26045b435
2 changed files with 24 additions and 0 deletions
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20
config/kernel-make-request-fn.m4
View File

@ -49,6 +49,13 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_MAKE_REQUEST_FN], [
struct gendisk *disk __attribute__ ((unused));
disk = blk_alloc_disk(NUMA_NO_NODE);
])
ZFS_LINUX_TEST_SRC([blk_cleanup_disk], [
#include <linux/blkdev.h>
],[
struct gendisk *disk __attribute__ ((unused));
blk_cleanup_disk(disk);
])
])
AC_DEFUN([ZFS_AC_KERNEL_MAKE_REQUEST_FN], [
@ -73,6 +80,19 @@ AC_DEFUN([ZFS_AC_KERNEL_MAKE_REQUEST_FN], [
ZFS_LINUX_TEST_RESULT([blk_alloc_disk], [
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_BLK_ALLOC_DISK], 1, [blk_alloc_disk() exists])
dnl #
dnl # 5.20 API change,
dnl # Removed blk_cleanup_disk(), put_disk() should be used.
dnl #
AC_MSG_CHECKING([whether blk_cleanup_disk() exists])
ZFS_LINUX_TEST_RESULT([blk_cleanup_disk], [
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_BLK_CLEANUP_DISK], 1,
[blk_cleanup_disk() exists])
], [
AC_MSG_RESULT(no)
])
], [
AC_MSG_RESULT(no)
])

4
module/os/linux/zfs/zvol_os.c
View File

@ -1232,7 +1232,11 @@ zvol_os_free(zvol_state_t *zv)
del_gendisk(zv->zv_zso->zvo_disk);
#if defined(HAVE_SUBMIT_BIO_IN_BLOCK_DEVICE_OPERATIONS) && \
defined(HAVE_BLK_ALLOC_DISK)
#if defined(HAVE_BLK_CLEANUP_DISK)
blk_cleanup_disk(zv->zv_zso->zvo_disk);
#else
put_disk(zv->zv_zso->zvo_disk);
#endif
#else
blk_cleanup_queue(zv->zv_zso->zvo_queue);
put_disk(zv->zv_zso->zvo_disk);