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-rw-r--r--fs/gfs2/trans.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/fs/gfs2/trans.h b/fs/gfs2/trans.h
new file mode 100644
index 000000000..c76ad9a4c
--- /dev/null
+++ b/fs/gfs2/trans.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
+ * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
+ */
+
+#ifndef __TRANS_DOT_H__
+#define __TRANS_DOT_H__
+
+#include <linux/buffer_head.h>
+struct gfs2_sbd;
+struct gfs2_rgrpd;
+struct gfs2_glock;
+
+#define RES_DINODE 1
+#define RES_INDIRECT 1
+#define RES_JDATA 1
+#define RES_DATA 1
+#define RES_LEAF 1
+#define RES_RG_HDR 1
+#define RES_RG_BIT 2
+#define RES_EATTR 1
+#define RES_STATFS 1
+#define RES_QUOTA 2
+
+/* reserve either the number of blocks to be allocated plus the rg header
+ * block, or all of the blocks in the rg, whichever is smaller */
+static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned requested)
+{
+ struct gfs2_rgrpd *rgd = ip->i_res.rs_rgd;
+
+ if (requested < rgd->rd_length)
+ return requested + 1;
+ return rgd->rd_length;
+}
+
+extern int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
+ unsigned int blocks, unsigned int revokes,
+ unsigned long ip);
+extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
+ unsigned int revokes);
+
+extern void gfs2_trans_end(struct gfs2_sbd *sdp);
+extern void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
+extern void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
+extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
+extern void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
+extern void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);
+
+#endif /* __TRANS_DOT_H__ */