[PATCH 06/10] xfs: convert do_div calls to xfs_rtb_to_rtx helper calls

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From: Darrick J. Wong <djwong@xxxxxxxxxx>

Convert these calls to use the helpers, and clean up all these places
where the same variable can have different units depending on where it
is in the function.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 libxfs/xfs_bmap.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)


diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c
index 5fbfc5372c9..3637b07feba 100644
--- a/libxfs/xfs_bmap.c
+++ b/libxfs/xfs_bmap.c
@@ -4915,12 +4915,8 @@ xfs_bmap_del_extent_delay(
 	ASSERT(got->br_startoff <= del->br_startoff);
 	ASSERT(got_endoff >= del_endoff);
 
-	if (isrt) {
-		uint64_t rtexts = XFS_FSB_TO_B(mp, del->br_blockcount);
-
-		do_div(rtexts, mp->m_sb.sb_rextsize);
-		xfs_mod_frextents(mp, rtexts);
-	}
+	if (isrt)
+		xfs_mod_frextents(mp, xfs_rtb_to_rtxt(mp, del->br_blockcount));
 
 	/*
 	 * Update the inode delalloc counter now and wait to update the




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