From: "Darrick J. Wong" <djwong@xxxxxxxxxx>
Source kernel commit: 2c2b981b737a519907429f62148bbd9e40e01132
Create a helper to compute the realtime extent (xfs_rtxlen_t) from an
extent length (xfs_extlen_t) value.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Carlos Maiolino <cem@xxxxxxxxxx>
---
libxfs/xfs_rtbitmap.h | 8 ++++++++
libxfs/xfs_trans_resv.c | 3 ++-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/libxfs/xfs_rtbitmap.h b/libxfs/xfs_rtbitmap.h
index b6a4c46bd..e2a36fc15 100644
--- a/libxfs/xfs_rtbitmap.h
+++ b/libxfs/xfs_rtbitmap.h
@@ -31,6 +31,14 @@ xfs_extlen_to_rtxmod(
return len % mp->m_sb.sb_rextsize;
}
+static inline xfs_rtxlen_t
+xfs_extlen_to_rtxlen(
+ struct xfs_mount *mp,
+ xfs_extlen_t len)
+{
+ return len / mp->m_sb.sb_rextsize;
+}
+
/*
* Functions for walking free space rtextents in the realtime bitmap.
*/
diff --git a/libxfs/xfs_trans_resv.c b/libxfs/xfs_trans_resv.c
index 04c444806..53c190b72 100644
--- a/libxfs/xfs_trans_resv.c
+++ b/libxfs/xfs_trans_resv.c
@@ -18,6 +18,7 @@
#include "xfs_trans.h"
#include "xfs_trans_space.h"
#include "xfs_quota_defs.h"
+#include "xfs_rtbitmap.h"
#define _ALLOC true
#define _FREE false
@@ -219,7 +220,7 @@ xfs_rtalloc_block_count(
unsigned int blksz = XFS_FSB_TO_B(mp, 1);
unsigned int rtbmp_bytes;
- rtbmp_bytes = (XFS_MAX_BMBT_EXTLEN / mp->m_sb.sb_rextsize) / NBBY;
+ rtbmp_bytes = xfs_extlen_to_rtxlen(mp, XFS_MAX_BMBT_EXTLEN) / NBBY;
return (howmany(rtbmp_bytes, blksz) + 1) * num_ops;
}
--
2.43.0
