kernel-dentry-alias.m4

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    1 dnl #
    2 dnl # 3.18 API change
    3 dnl # Dentry aliases are in d_u struct dentry member
    4 dnl #
    5 AC_DEFUN([ZFS_AC_KERNEL_SRC_DENTRY_ALIAS_D_U], [
    6         ZFS_LINUX_TEST_SRC([dentry_alias_d_u], [
    7                 #include <linux/fs.h>
    8                 #include <linux/dcache.h>
    9                 #include <linux/list.h>
   10         ], [
   11                 struct inode *inode __attribute__ ((unused)) = NULL;
   12                 struct dentry *dentry __attribute__ ((unused)) = NULL;
   13                 hlist_for_each_entry(dentry, &inode->i_dentry,
   14                     d_u.d_alias) {
   15                         d_drop(dentry);
   16                 }
   17         ])
   18 ])
   19 
   20 AC_DEFUN([ZFS_AC_KERNEL_DENTRY_ALIAS_D_U], [
   21         AC_MSG_CHECKING([whether dentry aliases are in d_u member])
   22         ZFS_LINUX_TEST_RESULT([dentry_alias_d_u], [
   23                 AC_MSG_RESULT(yes)
   24                 AC_DEFINE(HAVE_DENTRY_D_U_ALIASES, 1,
   25                     [dentry aliases are in d_u member])
   26         ],[
   27                 AC_MSG_RESULT(no)
   28         ])
   29 ])
   30

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/config/kernel-dentry-alias.m4

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/config/kernel-dentry-alias.m4