diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/kernel-shrink.m4 | 22 | ||||
| -rw-r--r-- | config/kernel.m4 | 1 |
2 files changed, 23 insertions, 0 deletions
diff --git a/config/kernel-shrink.m4 b/config/kernel-shrink.m4 index 1c211ed15..a57c2afb0 100644 --- a/config/kernel-shrink.m4 +++ b/config/kernel-shrink.m4 @@ -109,3 +109,25 @@ AC_DEFUN([ZFS_AC_KERNEL_FREE_CACHED_OBJECTS], [ AC_MSG_RESULT(no) ]) ]) + +dnl # +dnl # 3.12 API change +dnl # The nid member was added to struct shrink_control to support +dnl # NUMA-aware shrinkers. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SHRINK_CONTROL_HAS_NID], [ + AC_MSG_CHECKING([whether shrink_control has nid]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/fs.h> + ],[ + struct shrink_control sc __attribute__ ((unused)); + unsigned long scnidsize __attribute__ ((unused)) = + sizeof(sc.nid); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(SHRINK_CONTROL_HAS_NID, 1, + [struct shrink_control has nid]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/config/kernel.m4 b/config/kernel.m4 index 69470e128..a9f2f5898 100644 --- a/config/kernel.m4 +++ b/config/kernel.m4 @@ -87,6 +87,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [ ZFS_AC_KERNEL_CALLBACK_SECURITY_INODE_INIT_SECURITY ZFS_AC_KERNEL_MOUNT_NODEV ZFS_AC_KERNEL_SHRINK + ZFS_AC_KERNEL_SHRINK_CONTROL_HAS_NID ZFS_AC_KERNEL_S_INSTANCES_LIST_HEAD ZFS_AC_KERNEL_S_D_OP ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER |