diff options
Diffstat (limited to 'config/kernel-xattr-handler.m4')
| -rw-r--r-- | config/kernel-xattr-handler.m4 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/config/kernel-xattr-handler.m4 b/config/kernel-xattr-handler.m4 new file mode 100644 index 000000000..fa7294597 --- /dev/null +++ b/config/kernel-xattr-handler.m4 @@ -0,0 +1,32 @@ +dnl # +dnl # 2.6.35 API change, +dnl # The 'struct xattr_handler' was constified in the generic +dnl # super_block structure. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_CONST_XATTR_HANDLER], + [AC_MSG_CHECKING([whether super_block uses const struct xattr_hander]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/fs.h> + #include <linux/xattr.h> + + const struct xattr_handler xattr_test_handler = { + .prefix = "test", + .get = NULL, + .set = NULL, + }; + + const struct xattr_handler *xattr_handlers[] = { + &xattr_test_handler, + }; + ],[ + struct super_block sb; + + sb.s_xattr = xattr_handlers; + ],[ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_CONST_XATTR_HANDLER, 1, + [super_block uses const struct xattr_hander]) + ],[ + AC_MSG_RESULT([no]) + ]) +]) |