Linux: Fix zfs_prune panics
[zfs.git] / config / kernel-fst-mount.m4
blob576f5f0129c555b418668762cf183c165b3bf05a
1 dnl #
2 dnl # 2.6.38 API change
3 dnl # The .get_sb callback has been replaced by a .mount callback
4 dnl # in the file_system_type structure.
5 dnl #
6 AC_DEFUN([ZFS_AC_KERNEL_SRC_FST_MOUNT], [
7         ZFS_LINUX_TEST_SRC([file_system_type_mount], [
8                 #include <linux/fs.h>
10                 static struct dentry *
11                 mount(struct file_system_type *fs_type, int flags,
12                     const char *osname, void *data) {
13                         struct dentry *d = NULL;
14                         return (d);
15                 }
17                 static struct file_system_type fst __attribute__ ((unused)) = {
18                         .mount = mount,
19                 };
20         ],[])
23 AC_DEFUN([ZFS_AC_KERNEL_FST_MOUNT], [
24         AC_MSG_CHECKING([whether fst->mount() exists])
25         ZFS_LINUX_TEST_RESULT([file_system_type_mount], [
26                 AC_MSG_RESULT(yes)
27         ],[
28                 ZFS_LINUX_TEST_ERROR([fst->mount()])
29         ])