X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=fs%2Fgfs2%2Ftrans.h;fp=fs%2Fgfs2%2Ftrans.h;h=fb56b783e028c8ce61b0b663e67e2df14e408b07;hb=59f40aff7930052a74ddf5c297aa1974b0838529;hp=edf9d4bd908ee2726991f12ac869bfeb60971381;hpb=291b7c3a02a7eafbb8ea89a2c0e93676d6972926;p=mv-sheeva.git

diff --git a/fs/gfs2/trans.h b/fs/gfs2/trans.h
index edf9d4bd908..fb56b783e02 100644
--- a/fs/gfs2/trans.h
+++ b/fs/gfs2/trans.h
@@ -20,11 +20,20 @@ struct gfs2_glock;
 #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_alloc *al)
+{
+	return (al->al_requested < al->al_rgd->rd_length)?
+	       al->al_requested + 1 : al->al_rgd->rd_length;
+}
+
 int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
 		     unsigned int revokes);