diff options
Diffstat (limited to 'sys/contrib/openzfs/config/kernel-fsync.m4')
-rw-r--r-- | sys/contrib/openzfs/config/kernel-fsync.m4 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/config/kernel-fsync.m4 b/sys/contrib/openzfs/config/kernel-fsync.m4 new file mode 100644 index 000000000000..d198191d3ab9 --- /dev/null +++ b/sys/contrib/openzfs/config/kernel-fsync.m4 @@ -0,0 +1,53 @@ +dnl # +dnl # Check file_operations->fsync interface. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SRC_FSYNC], [ + ZFS_LINUX_TEST_SRC([fsync_without_dentry], [ + #include <linux/fs.h> + + int test_fsync(struct file *f, int x) { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + ],[]) + + ZFS_LINUX_TEST_SRC([fsync_range], [ + #include <linux/fs.h> + + int test_fsync(struct file *f, loff_t a, loff_t b, int c) + { return 0; } + + static const struct file_operations + fops __attribute__ ((unused)) = { + .fsync = test_fsync, + }; + ],[]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_FSYNC], [ + dnl # + dnl # Linux 2.6.35 - Linux 3.0 API + dnl # + AC_MSG_CHECKING([whether fops->fsync() wants no dentry]) + ZFS_LINUX_TEST_RESULT([fsync_without_dentry], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_FSYNC_WITHOUT_DENTRY, 1, + [fops->fsync() without dentry]) + ],[ + AC_MSG_RESULT([no]) + + dnl # + dnl # Linux 3.1 - 3.x API + dnl # + AC_MSG_CHECKING([whether fops->fsync() wants range]) + ZFS_LINUX_TEST_RESULT([fsync_range], [ + AC_MSG_RESULT([range]) + AC_DEFINE(HAVE_FSYNC_RANGE, 1, + [fops->fsync() with range]) + ],[ + ZFS_LINUX_TEST_ERROR([fops->fsync]) + ]) + ]) +]) |