From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001
From: Kevin
Date: Sat, 15 Nov 2014 09:58:27 +0800
Subject: init android origin source code

---
 ANDROID_3.4.5/fs/gfs2/rgrp.h | 71 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 ANDROID_3.4.5/fs/gfs2/rgrp.h

(limited to 'ANDROID_3.4.5/fs/gfs2/rgrp.h')

diff --git a/ANDROID_3.4.5/fs/gfs2/rgrp.h b/ANDROID_3.4.5/fs/gfs2/rgrp.h
new file mode 100644
index 00000000..b4b10f4d
--- /dev/null
+++ b/ANDROID_3.4.5/fs/gfs2/rgrp.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
+ * Copyright (C) 2004-2008 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 version 2.
+ */
+
+#ifndef __RGRP_DOT_H__
+#define __RGRP_DOT_H__
+
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+
+struct gfs2_rgrpd;
+struct gfs2_sbd;
+struct gfs2_holder;
+
+extern void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
+
+extern struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk, bool exact);
+extern struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
+extern struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
+
+extern void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
+extern int gfs2_rindex_update(struct gfs2_sbd *sdp);
+extern void gfs2_free_clones(struct gfs2_rgrpd *rgd);
+extern int gfs2_rgrp_go_lock(struct gfs2_holder *gh);
+extern void gfs2_rgrp_go_unlock(struct gfs2_holder *gh);
+
+extern struct gfs2_qadata *gfs2_qadata_get(struct gfs2_inode *ip);
+static inline void gfs2_qadata_put(struct gfs2_inode *ip)
+{
+	BUG_ON(ip->i_qadata == NULL);
+	kfree(ip->i_qadata);
+	ip->i_qadata = NULL;
+}
+
+extern int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested);
+extern void gfs2_inplace_release(struct gfs2_inode *ip);
+
+extern int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *n,
+			     bool dinode, u64 *generation);
+
+extern void __gfs2_free_blocks(struct gfs2_inode *ip, u64 bstart, u32 blen, int meta);
+extern void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen);
+extern void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
+extern void gfs2_unlink_di(struct inode *inode);
+extern int gfs2_check_blk_type(struct gfs2_sbd *sdp, u64 no_addr,
+			       unsigned int type);
+
+struct gfs2_rgrp_list {
+	unsigned int rl_rgrps;
+	unsigned int rl_space;
+	struct gfs2_rgrpd **rl_rgd;
+	struct gfs2_holder *rl_ghs;
+};
+
+extern void gfs2_rlist_add(struct gfs2_inode *ip, struct gfs2_rgrp_list *rlist,
+			   u64 block);
+extern void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state);
+extern void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
+extern u64 gfs2_ri_total(struct gfs2_sbd *sdp);
+extern int gfs2_rgrp_dump(struct seq_file *seq, const struct gfs2_glock *gl);
+extern int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
+				   struct buffer_head *bh,
+				   const struct gfs2_bitmap *bi, unsigned minlen, u64 *ptrimmed);
+extern int gfs2_fitrim(struct file *filp, void __user *argp);
+
+#endif /* __RGRP_DOT_H__ */
-- 
cgit