From: Darrick J. Wong <djwong@xxxxxxxxxx>
Source kernel commit: 8defee8dff2b202702cdf33f6d8577adf9ad3e82
For a given rt group, regenerate the bitmap contents from the group's
realtime rmap btree.
Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
libxfs/xfs_rtbitmap.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libxfs/xfs_rtbitmap.h b/libxfs/xfs_rtbitmap.h
index 16563a44bd138a..22e5d9cd95f47c 100644
--- a/libxfs/xfs_rtbitmap.h
+++ b/libxfs/xfs_rtbitmap.h
@@ -135,6 +135,15 @@ xfs_rtb_to_rtx(
return div_u64(rtbno, mp->m_sb.sb_rextsize);
}
+/* Return the offset of a rtgroup block number within an rt extent. */
+static inline xfs_extlen_t
+xfs_rgbno_to_rtxoff(
+ struct xfs_mount *mp,
+ xfs_rgblock_t rgbno)
+{
+ return rgbno % mp->m_sb.sb_rextsize;
+}
+
/* Return the offset of an rt block number within an rt extent. */
static inline xfs_extlen_t
xfs_rtb_to_rtxoff(
