From: Darrick J. Wong <djwong@xxxxxxxxxx>
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@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_rtbitmap.h | 16 ++++++++++++++++
fs/xfs/scrub/rtbitmap.c | 4 ++--
fs/xfs/scrub/rtsummary.c | 4 ++--
fs/xfs/xfs_bmap_util.c | 9 +++++----
fs/xfs/xfs_fsmap.c | 4 ++--
fs/xfs/xfs_super.c | 3 ++-
6 files changed, 29 insertions(+), 11 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.h b/fs/xfs/libxfs/xfs_rtbitmap.h
index 5e2afb7fea0e..099ea8902aaa 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.h
+++ b/fs/xfs/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.
*/
diff --git a/fs/xfs/scrub/rtbitmap.c b/fs/xfs/scrub/rtbitmap.c
index 29c5af5a289f..af9eee6ed5ce 100644
--- a/fs/xfs/scrub/rtbitmap.c
+++ b/fs/xfs/scrub/rtbitmap.c
@@ -62,8 +62,8 @@ xchk_rtbitmap_rec(
xfs_rtxnum_t startblock;
xfs_filblks_t blockcount;
- startblock = rec->ar_startext * mp->m_sb.sb_rextsize;
- blockcount = rec->ar_extcount * mp->m_sb.sb_rextsize;
+ startblock = xfs_rtx_to_rtb(mp, rec->ar_startext);
+ blockcount = xfs_rtx_to_rtb(mp, rec->ar_extcount);
if (!xfs_verify_rtbext(mp, startblock, blockcount))
xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, 0);
diff --git a/fs/xfs/scrub/rtsummary.c b/fs/xfs/scrub/rtsummary.c
index 91c39564298c..7885ddd2d733 100644
--- a/fs/xfs/scrub/rtsummary.c
+++ b/fs/xfs/scrub/rtsummary.c
@@ -138,8 +138,8 @@ xchk_rtsum_record_free(
lenlog = XFS_RTBLOCKLOG(rec->ar_extcount);
offs = XFS_SUMOFFS(mp, lenlog, rbmoff);
- rtbno = rec->ar_startext * mp->m_sb.sb_rextsize;
- rtlen = rec->ar_extcount * mp->m_sb.sb_rextsize;
+ rtbno = xfs_rtx_to_rtb(mp, rec->ar_startext);
+ rtlen = xfs_rtx_to_rtb(mp, rec->ar_extcount);
if (!xfs_verify_rtbext(mp, rtbno, rtlen)) {
xchk_ino_xref_set_corrupt(sc, mp->m_rbmip->i_ino);
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 018c3bcc225e..e0d3c60c7d9c 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -29,6 +29,7 @@
#include "xfs_iomap.h"
#include "xfs_reflink.h"
#include "xfs_swapext.h"
+#include "xfs_rtbitmap.h"
/* Kernel only BMAP related definitions and functions */
@@ -126,7 +127,7 @@ xfs_bmap_rtalloc(
* 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;
/*
@@ -148,7 +149,7 @@ xfs_bmap_rtalloc(
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;
}
@@ -171,8 +172,8 @@ xfs_bmap_rtalloc(
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)
diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
index 0027e186bd52..3738dc936d85 100644
--- a/fs/xfs/xfs_fsmap.c
+++ b/fs/xfs/xfs_fsmap.c
@@ -459,9 +459,9 @@ xfs_getfsmap_rtdev_rtbitmap_helper(
struct xfs_rmap_irec irec;
xfs_daddr_t rec_daddr;
- irec.rm_startblock = rec->ar_startext * mp->m_sb.sb_rextsize;
+ irec.rm_startblock = xfs_rtx_to_rtb(mp, rec->ar_startext);
rec_daddr = XFS_FSB_TO_BB(mp, irec.rm_startblock);
- irec.rm_blockcount = rec->ar_extcount * mp->m_sb.sb_rextsize;
+ irec.rm_blockcount = xfs_rtx_to_rtb(mp, rec->ar_extcount);
irec.rm_owner = XFS_RMAP_OWN_NULL; /* "free" */
irec.rm_offset = 0;
irec.rm_flags = 0;
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 9eff9ee106c4..19a22f9225e4 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -43,6 +43,7 @@
#include "xfs_iunlink_item.h"
#include "scrub/rcbag_btree.h"
#include "xfs_swapext_item.h"
+#include "xfs_rtbitmap.h"
#include <linux/magic.h>
#include <linux/fs_context.h>
@@ -863,7 +864,7 @@ xfs_fs_statfs(
statp->f_blocks = sbp->sb_rblocks;
freertx = percpu_counter_sum_positive(&mp->m_frextents);
- statp->f_bavail = statp->f_bfree = freertx * sbp->sb_rextsize;
+ statp->f_bavail = statp->f_bfree = xfs_rtx_to_rtb(mp, freertx);
}
return 0;
