diff options
Diffstat (limited to 'config/kernel-get-disk-ro.m4')
| -rw-r--r-- | config/kernel-get-disk-ro.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/config/kernel-get-disk-ro.m4 b/config/kernel-get-disk-ro.m4 new file mode 100644 index 000000000..365afdbc6 --- /dev/null +++ b/config/kernel-get-disk-ro.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # 2.6.x API change +dnl # +AC_DEFUN([ZFS_AC_KERNEL_GET_DISK_RO], [ + AC_MSG_CHECKING([whether get_disk_ro() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/blkdev.h> + ],[ + struct gendisk *disk = NULL; + (void) get_disk_ro(disk); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GET_DISK_RO, 1, + [blk_disk_ro() is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) |