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path: root/fs/xfs/libxfs/xfs_sb.c
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Diffstat (limited to 'fs/xfs/libxfs/xfs_sb.c')
-rw-r--r--fs/xfs/libxfs/xfs_sb.c40
1 files changed, 31 insertions, 9 deletions
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index d991eec05436..73a4b895de67 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -530,7 +530,8 @@ xfs_validate_sb_common(
}
if (!xfs_validate_stripe_geometry(mp, XFS_FSB_TO_B(mp, sbp->sb_unit),
- XFS_FSB_TO_B(mp, sbp->sb_width), 0, false))
+ XFS_FSB_TO_B(mp, sbp->sb_width), 0,
+ xfs_buf_daddr(bp) == XFS_SB_DADDR, false))
return -EFSCORRUPTED;
/*
@@ -1323,8 +1324,10 @@ xfs_sb_get_secondary(
}
/*
- * sunit, swidth, sectorsize(optional with 0) should be all in bytes,
- * so users won't be confused by values in error messages.
+ * sunit, swidth, sectorsize(optional with 0) should be all in bytes, so users
+ * won't be confused by values in error messages. This function returns false
+ * if the stripe geometry is invalid and the caller is unable to repair the
+ * stripe configuration later in the mount process.
*/
bool
xfs_validate_stripe_geometry(
@@ -1332,20 +1335,21 @@ xfs_validate_stripe_geometry(
__s64 sunit,
__s64 swidth,
int sectorsize,
+ bool may_repair,
bool silent)
{
if (swidth > INT_MAX) {
if (!silent)
xfs_notice(mp,
"stripe width (%lld) is too large", swidth);
- return false;
+ goto check_override;
}
if (sunit > swidth) {
if (!silent)
xfs_notice(mp,
"stripe unit (%lld) is larger than the stripe width (%lld)", sunit, swidth);
- return false;
+ goto check_override;
}
if (sectorsize && (int)sunit % sectorsize) {
@@ -1353,21 +1357,21 @@ xfs_validate_stripe_geometry(
xfs_notice(mp,
"stripe unit (%lld) must be a multiple of the sector size (%d)",
sunit, sectorsize);
- return false;
+ goto check_override;
}
if (sunit && !swidth) {
if (!silent)
xfs_notice(mp,
"invalid stripe unit (%lld) and stripe width of 0", sunit);
- return false;
+ goto check_override;
}
if (!sunit && swidth) {
if (!silent)
xfs_notice(mp,
"invalid stripe width (%lld) and stripe unit of 0", swidth);
- return false;
+ goto check_override;
}
if (sunit && (int)swidth % (int)sunit) {
@@ -1375,9 +1379,27 @@ xfs_validate_stripe_geometry(
xfs_notice(mp,
"stripe width (%lld) must be a multiple of the stripe unit (%lld)",
swidth, sunit);
- return false;
+ goto check_override;
}
return true;
+
+check_override:
+ if (!may_repair)
+ return false;
+ /*
+ * During mount, mp->m_dalign will not be set unless the sunit mount
+ * option was set. If it was set, ignore the bad stripe alignment values
+ * and allow the validation and overwrite later in the mount process to
+ * attempt to overwrite the bad stripe alignment values with the values
+ * supplied by mount options.
+ */
+ if (!mp->m_dalign)
+ return false;
+ if (!silent)
+ xfs_notice(mp,
+"Will try to correct with specified mount options sunit (%d) and swidth (%d)",
+ BBTOB(mp->m_dalign), BBTOB(mp->m_swidth));
+ return true;
}
/*