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-rw-r--r--fs/xfs/libxfs/xfs_rtbitmap.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c
index 1d9fa8a300f1..6c1aba16113c 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.c
+++ b/fs/xfs/libxfs/xfs_rtbitmap.c
@@ -1018,7 +1018,6 @@ xfs_rtalloc_query_range(
struct xfs_mount *mp = tp->t_mountp;
xfs_rtblock_t rtstart;
xfs_rtblock_t rtend;
- xfs_rtblock_t rem;
int is_free;
int error = 0;
@@ -1027,13 +1026,12 @@ xfs_rtalloc_query_range(
if (low_rec->ar_startext >= mp->m_sb.sb_rextents ||
low_rec->ar_startext == high_rec->ar_startext)
return 0;
- if (high_rec->ar_startext > mp->m_sb.sb_rextents)
- high_rec->ar_startext = mp->m_sb.sb_rextents;
+ high_rec->ar_startext = min(high_rec->ar_startext,
+ mp->m_sb.sb_rextents - 1);
/* Iterate the bitmap, looking for discrepancies. */
rtstart = low_rec->ar_startext;
- rem = high_rec->ar_startext - rtstart;
- while (rem) {
+ while (rtstart <= high_rec->ar_startext) {
/* Is the first block free? */
error = xfs_rtcheck_range(mp, tp, rtstart, 1, 1, &rtend,
&is_free);
@@ -1042,7 +1040,7 @@ xfs_rtalloc_query_range(
/* How long does the extent go for? */
error = xfs_rtfind_forw(mp, tp, rtstart,
- high_rec->ar_startext - 1, &rtend);
+ high_rec->ar_startext, &rtend);
if (error)
break;
@@ -1055,7 +1053,6 @@ xfs_rtalloc_query_range(
break;
}
- rem -= rtend - rtstart + 1;
rtstart = rtend + 1;
}