diff options
Diffstat (limited to 'sys/contrib/openzfs/config/kernel-commit-metadata.m4')
| -rw-r--r-- | sys/contrib/openzfs/config/kernel-commit-metadata.m4 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/config/kernel-commit-metadata.m4 b/sys/contrib/openzfs/config/kernel-commit-metadata.m4 new file mode 100644 index 000000000000..7df9b980290e --- /dev/null +++ b/sys/contrib/openzfs/config/kernel-commit-metadata.m4 @@ -0,0 +1,24 @@ +dnl # +dnl # 2.6.33 API change +dnl # Added eops->commit_metadata() callback to allow the underlying +dnl # filesystem to determine the most efficient way to commit the inode. +dnl # Prior to this the nfs server would issue an explicit fsync(). +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SRC_COMMIT_METADATA], [ + ZFS_LINUX_TEST_SRC([export_operations_commit_metadata], [ + #include <linux/exportfs.h> + int commit_metadata(struct inode *inode) { return 0; } + static struct export_operations eops __attribute__ ((unused))={ + .commit_metadata = commit_metadata, + }; + ],[]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_COMMIT_METADATA], [ + AC_MSG_CHECKING([whether eops->commit_metadata() exists]) + ZFS_LINUX_TEST_RESULT([export_operations_commit_metadata], [ + AC_MSG_RESULT(yes) + ],[ + ZFS_LINUX_TEST_ERROR([eops->commit_metadata()]) + ]) +]) |