mirror_zfs/config/kernel-add-disk.m4
Damian Szuberski 9884319666
Fix clang 13 compilation errors
```
os/linux/zfs/zvol_os.c:1111:3: error: ignoring return value of function
  declared with 'warn_unused_result' attribute [-Werror,-Wunused-result]
                add_disk(zv->zv_zso->zvo_disk);
                ^~~~~~~~ ~~~~~~~~~~~~~~~~~~~~

zpl_xattr.c:1579:1: warning: no previous prototype for function
  'zpl_posix_acl_release_impl' [-Wmissing-prototypes]
```

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: szubersk <szuberskidamian@gmail.com>
Closes #13551
2022-06-15 14:20:28 -07:00

25 lines
536 B
Plaintext

dnl #
dnl # 5.16 API change
dnl # add_disk grew a must-check return code
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_ADD_DISK], [
ZFS_LINUX_TEST_SRC([add_disk_ret], [
#include <linux/blkdev.h>
], [
struct gendisk *disk = NULL;
int error __attribute__ ((unused)) = add_disk(disk);
])
])
AC_DEFUN([ZFS_AC_KERNEL_ADD_DISK], [
AC_MSG_CHECKING([whether add_disk() returns int])
ZFS_LINUX_TEST_RESULT([add_disk_ret],
[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_ADD_DISK_RET, 1,
[add_disk() returns int])
], [
AC_MSG_RESULT(no)
])
])