From: Darrick J. Wong <djwong@kernel.org>
Date: Mon, 12 Feb 2024 14:23:20 +0000 (+0100)
Subject: xfs: create rt extent rounding helpers for realtime extent blocks
X-Git-Tag: v6.7.0~52
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5dc53fefdf8c2517ed472080a118dd05a826853;p=thirdparty%2Fxfsprogs-dev.git

xfs: create rt extent rounding helpers for realtime extent blocks

Source kernel commit: 5f57f7309d9ab9d24d50c5707472b1ed8af4eabc

Create a pair of functions to round rtblock numbers up or down to the
nearest rt extent.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
---

diff --git a/libxfs/xfs_rtbitmap.h b/libxfs/xfs_rtbitmap.h
index ff901bf3..ecf5645d 100644
--- a/libxfs/xfs_rtbitmap.h
+++ b/libxfs/xfs_rtbitmap.h
@@ -84,6 +84,24 @@ xfs_rtb_to_rtxup(
 	return rtbno;
 }
 
+/* Round this rtblock up to the nearest rt extent size. */
+static inline xfs_rtblock_t
+xfs_rtb_roundup_rtx(
+	struct xfs_mount	*mp,
+	xfs_rtblock_t		rtbno)
+{
+	return roundup_64(rtbno, mp->m_sb.sb_rextsize);
+}
+
+/* Round this rtblock down to the nearest rt extent size. */
+static inline xfs_rtblock_t
+xfs_rtb_rounddown_rtx(
+	struct xfs_mount	*mp,
+	xfs_rtblock_t		rtbno)
+{
+	return rounddown_64(rtbno, mp->m_sb.sb_rextsize);
+}
+
 /*
  * Functions for walking free space rtextents in the realtime bitmap.
  */