xps: Transmit Packet Steering

[net-next-2.6.git] / fs / gfs2 / meta_io.h

diff --git a/fs/gfs2/meta_io.h b/fs/gfs2/meta_io.h
index de270c2f9b6352e55662ef265b777984da0d2265..6a1d9ba164119aac5416cdf37c0b7c55690f6742 100644 (file)
--- a/fs/gfs2/meta_io.h
+++ b/fs/gfs2/meta_io.h
@@ -37,8 +37,16 @@ static inline void gfs2_buffer_copy_tail(struct buffer_head *to_bh,
               0, from_head - to_head);
 }
 
-struct inode *gfs2_aspace_get(struct gfs2_sbd *sdp);
-void gfs2_aspace_put(struct inode *aspace);
+extern const struct address_space_operations gfs2_meta_aops;
+
+static inline struct gfs2_sbd *gfs2_mapping2sbd(struct address_space *mapping)
+{
+       struct inode *inode = mapping->host;
+       if (mapping->a_ops == &gfs2_meta_aops)
+               return (((struct gfs2_glock *)mapping) - 1)->gl_sbd;
+       else
+               return inode->i_sb->s_fs_info;
+}
 
 void gfs2_meta_sync(struct gfs2_glock *gl);