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xfs: fix the zoned RT growfs check for zone alignment

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The grofs code for zoned RT subvolums already tries to check for zone
alignment, but gets it wrong by using the old instead of the new mount
structure.

Fixes: 01b71e64bb ("xfs: support growfs on zoned file systems")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Cc: stable@vger.kernel.org # v6.15
Signed-off-by: Carlos Maiolino <cem@kernel.org>
This commit is contained in:
Christoph Hellwig
2025-12-16 18:30:09 +01:00
committed by Carlos Maiolino
parent 982d2616a2
commit dc68c0f601
1 changed files with 8 additions and 6 deletions
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14
fs/xfs/xfs_rtalloc.c
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@@ -1255,12 +1255,10 @@ xfs_growfs_check_rtgeom(
min_logfsbs = min_t(xfs_extlen_t, xfs_log_calc_minimum_size(nmp),
nmp->m_rsumblocks * 2);
kfree(nmp);
trace_xfs_growfs_check_rtgeom(mp, min_logfsbs);
if (min_logfsbs > mp->m_sb.sb_logblocks)
return -EINVAL;
goto out_inval;
if (xfs_has_zoned(mp)) {
uint32_t gblocks = mp->m_groups[XG_TYPE_RTG].blocks;
@@ -1268,16 +1266,20 @@ xfs_growfs_check_rtgeom(
if (rextsize != 1)
return -EINVAL;
div_u64_rem(mp->m_sb.sb_rblocks, gblocks, &rem);
div_u64_rem(nmp->m_sb.sb_rblocks, gblocks, &rem);
if (rem) {
xfs_warn(mp,
"new RT volume size (%lld) not aligned to RT group size (%d)",
mp->m_sb.sb_rblocks, gblocks);
return -EINVAL;
nmp->m_sb.sb_rblocks, gblocks);
goto out_inval;
}
}
kfree(nmp);
return 0;
out_inval:
kfree(nmp);
return -EINVAL;
}
/*