Initial Spring 2016 commit.

kern/fs/sfs/sfsprivate.h

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009, 2014
+ *	The President and Fellows of Harvard College.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _SFSPRIVATE_H_
+#define _SFSPRIVATE_H_
+
+#include <uio.h> /* for uio_rw */
+
+
+/* ops tables (in sfs_vnops.c) */
+extern const struct vnode_ops sfs_fileops;
+extern const struct vnode_ops sfs_dirops;
+
+/* Macro for initializing a uio structure */
+#define SFSUIO(iov, uio, ptr, block, rw) \
+    uio_kinit(iov, uio, ptr, SFS_BLOCKSIZE, ((off_t)(block))*SFS_BLOCKSIZE, rw)
+
+
+/* Functions in sfs_balloc.c */
+int sfs_balloc(struct sfs_fs *sfs, daddr_t *diskblock);
+void sfs_bfree(struct sfs_fs *sfs, daddr_t diskblock);
+int sfs_bused(struct sfs_fs *sfs, daddr_t diskblock);
+
+/* Functions in sfs_bmap.c */
+int sfs_bmap(struct sfs_vnode *sv, uint32_t fileblock, bool doalloc,
+		daddr_t *diskblock);
+int sfs_itrunc(struct sfs_vnode *sv, off_t len);
+
+/* Functions in sfs_dir.c */
+int sfs_dir_findname(struct sfs_vnode *sv, const char *name,
+		uint32_t *ino, int *slot, int *emptyslot);
+int sfs_dir_link(struct sfs_vnode *sv, const char *name, uint32_t ino,
+		int *slot);
+int sfs_dir_unlink(struct sfs_vnode *sv, int slot);
+int sfs_lookonce(struct sfs_vnode *sv, const char *name,
+		struct sfs_vnode **ret,
+		int *slot);
+
+/* Functions in sfs_inode.c */
+int sfs_sync_inode(struct sfs_vnode *sv);
+int sfs_reclaim(struct vnode *v);
+int sfs_loadvnode(struct sfs_fs *sfs, uint32_t ino, int forcetype,
+		struct sfs_vnode **ret);
+int sfs_makeobj(struct sfs_fs *sfs, int type, struct sfs_vnode **ret);
+int sfs_getroot(struct fs *fs, struct vnode **ret);
+
+/* Functions in sfs_io.c */
+int sfs_readblock(struct sfs_fs *sfs, daddr_t block, void *data, size_t len);
+int sfs_writeblock(struct sfs_fs *sfs, daddr_t block, void *data, size_t len);
+int sfs_io(struct sfs_vnode *sv, struct uio *uio);
+int sfs_metaio(struct sfs_vnode *sv, off_t pos, void *data, size_t len,
+	       enum uio_rw rw);
+
+
+#endif /* _SFSPRIVATE_H_ */