Index: uspace/srv/fs/mfs/mfs_inode.c
===================================================================
--- uspace/srv/fs/mfs/mfs_inode.c	(revision 5f509ccd80907563be77bd33ac21c57159abdb9b)
+++ uspace/srv/fs/mfs/mfs_inode.c	(revision 77ec4d957785c9a7f9fd828f7b07940f947d04e2)
@@ -48,5 +48,13 @@
 		struct mfs_ino_info **ino_ptr, uint32_t inum);
 
-
+/**Read a MINIX inode from disk
+ *
+ * @param inst		Pointer to the filesystem instance.
+ * @param ino_i		Pointer to the generic MINIX inode
+ * 			where the inode content will be stored.
+ * @param index		index of the inode to read.
+ *
+ * @return		EOK on success or a negative error code.
+ */
 int
 mfs_get_inode(struct mfs_instance *inst, struct mfs_ino_info **ino_i,
@@ -185,4 +193,10 @@
 }
 
+/**Write a MINIX inode on disk (if marked as dirty)
+ *
+ * @param mnode		Pointer to the generic MINIX inode in memory.
+ *
+ * @return		EOK on success or a negative error code.
+ */
 int
 mfs_put_inode(struct mfs_node *mnode)
@@ -299,4 +313,11 @@
 }
 
+/**Reduce the inode size of a given number of bytes
+ *
+ * @param mnode		Pointer to the generic MINIX inode in memory.
+ * @param size_shrink	Number of bytes that will be subtracted to the inode.
+ *
+ * @return		EOK on success or a negative error code.
+ */
 int
 mfs_inode_shrink(struct mfs_node *mnode, size_t size_shrink)