[GFS2] The core of GFS2

This patch contains all the core files for GFS2.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h
new file mode 100644
index 000000000000..79f77aab4264
--- /dev/null
+++ b/fs/gfs2/dir.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
+ * Copyright (C) 2004-2005 Red Hat, Inc.  All rights reserved.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License v.2.
+ */
+
+#ifndef __DIR_DOT_H__
+#define __DIR_DOT_H__
+
+/**
+ * gfs2_filldir_t - Report a directory entry to the caller of gfs2_dir_read()
+ * @opaque: opaque data used by the function
+ * @name: the name of the directory entry
+ * @length: the length of the name
+ * @offset: the entry's offset in the directory
+ * @inum: the inode number the entry points to
+ * @type: the type of inode the entry points to
+ *
+ * Returns: 0 on success, 1 if buffer full
+ */
+
+typedef int (*gfs2_filldir_t) (void *opaque,
+			      const char *name, unsigned int length,
+			      uint64_t offset,
+			      struct gfs2_inum *inum, unsigned int type);
+
+int gfs2_filecmp(struct qstr *file1, char *file2, int len_of_file2);
+int gfs2_dirent_alloc(struct gfs2_inode *dip, struct buffer_head *bh,
+		     int name_len, struct gfs2_dirent **dent_out);
+
+int gfs2_dir_search(struct gfs2_inode *dip, struct qstr *filename,
+		   struct gfs2_inum *inum, unsigned int *type);
+int gfs2_dir_add(struct gfs2_inode *dip, struct qstr *filename,
+		struct gfs2_inum *inum, unsigned int type);
+int gfs2_dir_del(struct gfs2_inode *dip, struct qstr *filename);
+int gfs2_dir_read(struct gfs2_inode *dip, uint64_t * offset, void *opaque,
+		 gfs2_filldir_t filldir);
+int gfs2_dir_mvino(struct gfs2_inode *dip, struct qstr *filename,
+		  struct gfs2_inum *new_inum, unsigned int new_type);
+
+int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip);
+
+int gfs2_diradd_alloc_required(struct gfs2_inode *dip, struct qstr *filename,
+			      int *alloc_required);
+
+int gfs2_get_dir_meta(struct gfs2_inode *ip, struct gfs2_user_buffer *ub);
+
+#endif /* __DIR_DOT_H__ */