AFS: implement statfs

Implement the statfs() op for AFS.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index a30d4fa768e3..4953ba5a6f44 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -506,6 +506,10 @@ extern int afs_fs_store_data(struct afs_server *, struct afs_writeback *,
 extern int afs_fs_setattr(struct afs_server *, struct key *,
                           struct afs_vnode *, struct iattr *,
                           const struct afs_wait_mode *);
+extern int afs_fs_get_volume_status(struct afs_server *, struct key *,
+                                    struct afs_vnode *,
+                                    struct afs_volume_status *,
+                                    const struct afs_wait_mode *);
 
 /*
  * inode.c
@@ -672,6 +676,8 @@ extern int afs_vnode_rename(struct afs_vnode *, struct afs_vnode *,
 extern int afs_vnode_store_data(struct afs_writeback *, pgoff_t, pgoff_t,
                                 unsigned, unsigned);
 extern int afs_vnode_setattr(struct afs_vnode *, struct key *, struct iattr *);
+extern int afs_vnode_get_volume_status(struct afs_vnode *, struct key *,
+                                       struct afs_volume_status *);
 
 /*
  * volume.c