Btrfs: don't walk around with task->state != TASK_RUNNING

[deliverable/linux.git] / include / linux / exportfs.h

diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index dc12f416a49f6ed9054a1f59c0c91a9ea4f58d4e..a9cd507f8cd2c0bbf1d8fbe59f6272da07a7f88b 100644 (file)
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -96,6 +96,7 @@ struct fid {
  * @fh_to_parent:   find the implied object's parent and get a dentry for it
  * @get_name:       find the name for a given inode in a given directory
  * @get_parent:     find the parent of a given directory
+ * @commit_metadata: commit metadata changes to stable storage
  *
  * See Documentation/filesystems/nfs/Exporting for details on how to use
  * this interface correctly.
@@ -137,6 +138,9 @@ struct fid {
  *    is also a directory.  In the event that it cannot be found, or storage
  *    space cannot be allocated, a %ERR_PTR should be returned.
  *
+ * commit_metadata:
+ *    @commit_metadata should commit metadata changes to stable storage.
+ *
  * Locking rules:
  *    get_parent is called with child->d_inode->i_mutex down
  *    get_name is not (which is possibly inconsistent)
@@ -152,6 +156,7 @@ struct export_operations {
        int (*get_name)(struct dentry *parent, char *name,
                        struct dentry *child);
        struct dentry * (*get_parent)(struct dentry *child);
+       int (*commit_metadata)(struct inode *inode);
 };
 
 extern int exportfs_encode_fh(struct dentry *dentry, struct fid *fid,