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xfs: create a helper to convert rtextents to rtblocks

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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>
This commit is contained in:
Darrick J. Wong
2023-10-16 09:32:54 -07:00
parent 2d5f216b77
commit fa5a387230
6 changed files with 30 additions and 12 deletions
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9
fs/xfs/xfs_bmap_util.c
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@@ -28,6 +28,7 @@
#include "xfs_icache.h"
#include "xfs_iomap.h"
#include "xfs_reflink.h"
#include "xfs_rtbitmap.h"
/* Kernel only BMAP related definitions and functions */
@@ -125,7 +126,7 @@ retry:
* XFS_BMBT_MAX_EXTLEN), we don't hear about that number, and can't
* adjust the starting point to match it.
*/
if (ralen * mp->m_sb.sb_rextsize >= XFS_MAX_BMBT_EXTLEN)
if (xfs_rtxlen_to_extlen(mp, ralen) >= XFS_MAX_BMBT_EXTLEN)
ralen = XFS_MAX_BMBT_EXTLEN / mp->m_sb.sb_rextsize;
/*
@@ -147,7 +148,7 @@ retry:
error = xfs_rtpick_extent(mp, ap->tp, ralen, &rtx);
if (error)
return error;
ap->blkno = rtx * mp->m_sb.sb_rextsize;
ap->blkno = xfs_rtx_to_rtb(mp, rtx);
} else {
ap->blkno = 0;
}
@@ -170,8 +171,8 @@ retry:
return error;
if (rtx != NULLRTEXTNO) {
ap->blkno = rtx * mp->m_sb.sb_rextsize;
ap->length = ralen * mp->m_sb.sb_rextsize;
ap->blkno = xfs_rtx_to_rtb(mp, rtx);
ap->length = xfs_rtxlen_to_extlen(mp, ralen);
ap->ip->i_nblocks += ap->length;
xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE);
if (ap->wasdel)