diff options
Diffstat (limited to 'config/kernel-acl.m4')
| -rw-r--r-- | config/kernel-acl.m4 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/config/kernel-acl.m4 b/config/kernel-acl.m4 index d2a1821c5..50b502c31 100644 --- a/config/kernel-acl.m4 +++ b/config/kernel-acl.m4 @@ -249,3 +249,23 @@ AC_DEFUN([ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL], [ AC_MSG_RESULT(no) ]) ]) + +dnl # +dnl # 4.7 API change, +dnl # The kernel get_acl will now check cache before calling i_op->get_acl and +dnl # do set_cached_acl after that, so i_op->get_acl don't need to do that +dnl # anymore. +dnl # +AC_DEFUN([ZFS_AC_KERNE_GET_ACL_HANDLE_CACHE], [ + AC_MSG_CHECKING([whether uncached_acl_sentinel() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/fs.h> + ],[ + void *sentinel __attribute__ ((unused)) = uncached_acl_sentinel(NULL); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_KERNEL_GET_ACL_HANDLE_CACHE, 1, [uncached_acl_sentinel() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) |