From: Darrick J. Wong <djwong@kernel.org>
Date: Mon, 12 Feb 2024 14:18:20 +0000 (+0100)
Subject: xfs: create a helper to convert rtextents to rtblocks
X-Git-Tag: v6.7.0~57
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=48afbdc52a2faabeaa004ad5819b167ae1ad8b54;p=xfsprogs-dev.git

xfs: create a helper to convert rtextents to rtblocks

Source kernel commit: fa5a387230861116c2434c20d29fc4b3fd077d24

Create a helper to convert a realtime extent to a realtime block.  Later
on we'll change the helper to use bit shifts when possible.

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 5e2afb7fe..099ea8902 100644
--- a/libxfs/xfs_rtbitmap.h
+++ b/libxfs/xfs_rtbitmap.h
@@ -6,6 +6,22 @@
 #ifndef __XFS_RTBITMAP_H__
 #define	__XFS_RTBITMAP_H__
 
+static inline xfs_rtblock_t
+xfs_rtx_to_rtb(
+	struct xfs_mount	*mp,
+	xfs_rtxnum_t		rtx)
+{
+	return rtx * mp->m_sb.sb_rextsize;
+}
+
+static inline xfs_extlen_t
+xfs_rtxlen_to_extlen(
+	struct xfs_mount	*mp,
+	xfs_rtxlen_t		rtxlen)
+{
+	return rtxlen * mp->m_sb.sb_rextsize;
+}
+
 /*
  * Functions for walking free space rtextents in the realtime bitmap.
  */