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Vendor import of openzfs master @ 184df27eef0abdc7ab2105b21257f753834b936b
[FreeBSD/FreeBSD.git] / config / kernel-dirty-inode.m4
1 dnl #
2 dnl # 3.0 API change
3 dnl # The sops->dirty_inode() callbacks were updated to take a flags
4 dnl # argument.  This allows the greater control over whether the
5 dnl # filesystem needs to push out a transaction or not.
6 dnl #
7 AC_DEFUN([ZFS_AC_KERNEL_SRC_DIRTY_INODE], [
8         ZFS_LINUX_TEST_SRC([dirty_inode_with_flags], [
9                 #include <linux/fs.h>
10
11                 void dirty_inode(struct inode *a, int b) { return; }
12
13                 static const struct super_operations
14                     sops __attribute__ ((unused)) = {
15                         .dirty_inode = dirty_inode,
16                 };
17         ],[])
18 ])
19
20 AC_DEFUN([ZFS_AC_KERNEL_DIRTY_INODE], [
21         AC_MSG_CHECKING([whether sops->dirty_inode() wants flags])
22         ZFS_LINUX_TEST_RESULT([dirty_inode_with_flags], [
23                 AC_MSG_RESULT([yes])
24                 AC_DEFINE(HAVE_DIRTY_INODE_WITH_FLAGS, 1,
25                     [sops->dirty_inode() wants flags])
26         ],[
27                 AC_MSG_RESULT([no])
28         ])
29 ])