xfs: move xfs_rtget_summary to xfs_rtbitmap.c

xfs_rtmodify_summary_int is only used inside xfs_rtbitmap.c and to
implement xfs_rtget_summary.  Move xfs_rtget_summary to xfs_rtbitmap.c
as the exported API and mark xfs_rtmodify_summary_int static.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>

fs/xfs/libxfs/xfs_rtbitmap.c

@@ -519,6 +519,20 @@ xfs_rtmodify_summary(
 	return xfs_rtmodify_summary_int(args, log, bbno, delta, NULL);
 }
 
+/*
+ * Read and return the summary information for a given extent size, bitmap block
+ * combination.
+ */
+int
+xfs_rtget_summary(
+	struct xfs_rtalloc_args	*args,
+	int			log,	/* log2 of extent size */
+	xfs_fileoff_t		bbno,	/* bitmap block number */
+	xfs_suminfo_t		*sum)	/* out: summary info for this block */
+{
+	return xfs_rtmodify_summary_int(args, log, bbno, 0, sum);
+}
+
 /* Log rtbitmap block from the word @from to the byte before @next. */
 static inline void
 xfs_trans_log_rtbitmap(

fs/xfs/libxfs/xfs_rtbitmap.h

@@ -321,8 +321,8 @@ int xfs_rtfind_forw(struct xfs_rtalloc_args *args, xfs_rtxnum_t start,
 		xfs_rtxnum_t limit, xfs_rtxnum_t *rtblock);
 int xfs_rtmodify_range(struct xfs_rtalloc_args *args, xfs_rtxnum_t start,
 		xfs_rtxlen_t len, int val);
-int xfs_rtmodify_summary_int(struct xfs_rtalloc_args *args, int log,
-		xfs_fileoff_t bbno, int delta, xfs_suminfo_t *sum);
+int xfs_rtget_summary(struct xfs_rtalloc_args *args, int log,
+		xfs_fileoff_t bbno, xfs_suminfo_t *sum);
 int xfs_rtmodify_summary(struct xfs_rtalloc_args *args, int log,
 		xfs_fileoff_t bbno, int delta);
 int xfs_rtfree_range(struct xfs_rtalloc_args *args, xfs_rtxnum_t start,

fs/xfs/xfs_rtalloc.c

@@ -23,22 +23,6 @@
 #include "xfs_rtbitmap.h"
 #include "xfs_quota.h"
 
-/*
- * Read and return the summary information for a given extent size,
- * bitmap block combination.
- * Keeps track of a current summary block, so we don't keep reading
- * it from the buffer cache.
- */
-static int
-xfs_rtget_summary(
-	struct xfs_rtalloc_args	*args,
-	int			log,	/* log2 of extent size */
-	xfs_fileoff_t		bbno,	/* bitmap block number */
-	xfs_suminfo_t		*sum)	/* out: summary info for this block */
-{
-	return xfs_rtmodify_summary_int(args, log, bbno, 0, sum);
-}
-
 /*
  * Return whether there are any free extents in the size range given
  * by low and high, for the bitmap block bbno.