Backport of kernel commit. Replace xfs_valid_lsn() with stub.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
---
libxfs/libxfs_priv.h | 2 ++
libxfs/util.c | 14 ++++++++++++++
libxfs/xfs_alloc.c | 10 ++++++++--
libxfs/xfs_attr_leaf.c | 3 +++
libxfs/xfs_btree.c | 18 ++++++++++++++++--
libxfs/xfs_da_btree.c | 3 +++
libxfs/xfs_dir2_block.c | 2 ++
libxfs/xfs_dir2_data.c | 2 ++
libxfs/xfs_dir2_leaf.c | 2 ++
libxfs/xfs_dir2_node.c | 2 ++
libxfs/xfs_ialloc.c | 9 +++++++--
libxfs/xfs_sb.c | 9 +++++++++
libxfs/xfs_symlink_remote.c | 3 +++
13 files changed, 73 insertions(+), 6 deletions(-)
diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h
index 2a8b850..d21e78e 100644
--- a/libxfs/libxfs_priv.h
+++ b/libxfs/libxfs_priv.h
@@ -506,4 +506,6 @@ void xfs_verifier_error(struct xfs_buf *bp);
/* xfs_rtalloc.c */
int libxfs_rtfree_extent(struct xfs_trans *, xfs_rtblock_t, xfs_extlen_t);
+bool xfs_valid_lsn(struct xfs_mount *, xfs_lsn_t);
+
#endif /* __LIBXFS_INTERNAL_XFS_H__ */
diff --git a/libxfs/util.c b/libxfs/util.c
index c9f9175..96ce31f 100644
--- a/libxfs/util.c
+++ b/libxfs/util.c
@@ -729,3 +729,17 @@ xfs_verifier_error(
bp->b_error == -EFSBADCRC ? "CRC error" : "corruption",
bp->b_bn, BBTOB(bp->b_length));
}
+
+/*
+ * This is called from I/O verifiers on v5 superblock filesystems. In the
+ * kernel, it validates the metadata LSN parameter against the current LSN of
+ * the active log. We don't have an active log in userspace, so just return
+ * true.
+ */
+bool
+xfs_valid_lsn(
+ struct xfs_mount *mp,
+ xfs_lsn_t lsn)
+{
+ return true;
+}
diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c
index 4f3008a..4a3df1f 100644
--- a/libxfs/xfs_alloc.c
+++ b/libxfs/xfs_alloc.c
@@ -464,6 +464,8 @@ xfs_agfl_verify(
return false;
if (be32_to_cpu(agfl->agfl_magicnum) != XFS_AGFL_MAGIC)
return false;
+ if (!xfs_valid_lsn(mp, be64_to_cpu(XFS_BUF_TO_AGFL(bp)->agfl_lsn)))
+ return false;
/*
* during growfs operations, the perag is not fully initialised,
* so we can't use it for any useful checking. growfs ensures we can't
@@ -2255,9 +2257,13 @@ xfs_agf_verify(
{
struct xfs_agf *agf = XFS_BUF_TO_AGF(bp);
- if (xfs_sb_version_hascrc(&mp->m_sb) &&
- !uuid_equal(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid))
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ if (!uuid_equal(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid))
return false;
+ if (!xfs_valid_lsn(mp,
+ be64_to_cpu(XFS_BUF_TO_AGF(bp)->agf_lsn)))
+ return false;
+ }
if (!(agf->agf_magicnum == cpu_to_be32(XFS_AGF_MAGIC) &&
XFS_AGF_GOOD_VERSION(be32_to_cpu(agf->agf_versionnum)) &&
diff --git a/libxfs/xfs_attr_leaf.c b/libxfs/xfs_attr_leaf.c
index cc25068..ae49d7f 100644
--- a/libxfs/xfs_attr_leaf.c
+++ b/libxfs/xfs_attr_leaf.c
@@ -262,6 +262,9 @@ xfs_attr3_leaf_verify(
return false;
if (be64_to_cpu(hdr3->info.blkno) != bp->b_bn)
return false;
+
+ if (!xfs_valid_lsn(mp, be64_to_cpu(hdr3->info.lsn)))
+ return false;
} else {
if (ichdr.magic != XFS_ATTR_LEAF_MAGIC)
return false;
diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c
index a16ae7d..9c1296f 100644
--- a/libxfs/xfs_btree.c
+++ b/libxfs/xfs_btree.c
@@ -240,8 +240,15 @@ bool
xfs_btree_lblock_verify_crc(
struct xfs_buf *bp)
{
- if (xfs_sb_version_hascrc(&bp->b_target->bt_mount->m_sb))
+ struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp);
+ struct xfs_mount *mp = bp->b_target->bt_mount;
+
+ if (xfs_sb_version_hascrc(&bp->b_target->bt_mount->m_sb)) {
+ if (!xfs_valid_lsn(mp, be64_to_cpu(block->bb_u.l.bb_lsn)))
+ return false;
+
return xfs_buf_verify_cksum(bp, XFS_BTREE_LBLOCK_CRC_OFF);
+ }
return true;
}
@@ -272,8 +279,15 @@ bool
xfs_btree_sblock_verify_crc(
struct xfs_buf *bp)
{
- if (xfs_sb_version_hascrc(&bp->b_target->bt_mount->m_sb))
+ struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp);
+ struct xfs_mount *mp = bp->b_target->bt_mount;
+
+ if (xfs_sb_version_hascrc(&bp->b_target->bt_mount->m_sb)) {
+ if (!xfs_valid_lsn(mp, be64_to_cpu(block->bb_u.s.bb_lsn)))
+ return false;
+
return xfs_buf_verify_cksum(bp, XFS_BTREE_SBLOCK_CRC_OFF);
+ }
return true;
}
diff --git a/libxfs/xfs_da_btree.c b/libxfs/xfs_da_btree.c
index c874164..99a8ad7 100644
--- a/libxfs/xfs_da_btree.c
+++ b/libxfs/xfs_da_btree.c
@@ -146,6 +146,9 @@ xfs_da3_node_verify(
return false;
if (be64_to_cpu(hdr3->info.blkno) != bp->b_bn)
return false;
+
+ if (!xfs_valid_lsn(mp, be64_to_cpu(hdr3->info.lsn)))
+ return false;
} else {
if (ichdr.magic != XFS_DA_NODE_MAGIC)
return false;
diff --git a/libxfs/xfs_dir2_block.c b/libxfs/xfs_dir2_block.c
index 489f301..567b5a4 100644
--- a/libxfs/xfs_dir2_block.c
+++ b/libxfs/xfs_dir2_block.c
@@ -68,6 +68,8 @@ xfs_dir3_block_verify(
return false;
if (be64_to_cpu(hdr3->blkno) != bp->b_bn)
return false;
+ if (!xfs_valid_lsn(mp, be64_to_cpu(hdr3->lsn)))
+ return false;
} else {
if (hdr3->magic != cpu_to_be32(XFS_DIR2_BLOCK_MAGIC))
return false;
diff --git a/libxfs/xfs_dir2_data.c b/libxfs/xfs_dir2_data.c
index 0c9f529..58bbc80 100644
--- a/libxfs/xfs_dir2_data.c
+++ b/libxfs/xfs_dir2_data.c
@@ -222,6 +222,8 @@ xfs_dir3_data_verify(
return false;
if (be64_to_cpu(hdr3->blkno) != bp->b_bn)
return false;
+ if (!xfs_valid_lsn(mp, be64_to_cpu(hdr3->lsn)))
+ return false;
} else {
if (hdr3->magic != cpu_to_be32(XFS_DIR2_DATA_MAGIC))
return false;
diff --git a/libxfs/xfs_dir2_leaf.c b/libxfs/xfs_dir2_leaf.c
index 80d03b3..37b9c4a 100644
--- a/libxfs/xfs_dir2_leaf.c
+++ b/libxfs/xfs_dir2_leaf.c
@@ -162,6 +162,8 @@ xfs_dir3_leaf_verify(
return false;
if (be64_to_cpu(leaf3->info.blkno) != bp->b_bn)
return false;
+ if (!xfs_valid_lsn(mp, be64_to_cpu(leaf3->info.lsn)))
+ return false;
} else {
if (leaf->hdr.info.magic != cpu_to_be16(magic))
return false;
diff --git a/libxfs/xfs_dir2_node.c b/libxfs/xfs_dir2_node.c
index 0514cea..d03b7ff 100644
--- a/libxfs/xfs_dir2_node.c
+++ b/libxfs/xfs_dir2_node.c
@@ -95,6 +95,8 @@ xfs_dir3_free_verify(
return false;
if (be64_to_cpu(hdr3->blkno) != bp->b_bn)
return false;
+ if (!xfs_valid_lsn(mp, be64_to_cpu(hdr3->lsn)))
+ return false;
} else {
if (hdr->magic != cpu_to_be32(XFS_DIR2_FREE_MAGIC))
return false;
diff --git a/libxfs/xfs_ialloc.c b/libxfs/xfs_ialloc.c
index 93bfaea..6a0e4e2 100644
--- a/libxfs/xfs_ialloc.c
+++ b/libxfs/xfs_ialloc.c
@@ -2495,9 +2495,14 @@ xfs_agi_verify(
struct xfs_mount *mp = bp->b_target->bt_mount;
struct xfs_agi *agi = XFS_BUF_TO_AGI(bp);
- if (xfs_sb_version_hascrc(&mp->m_sb) &&
- !uuid_equal(&agi->agi_uuid, &mp->m_sb.sb_meta_uuid))
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ if (!uuid_equal(&agi->agi_uuid, &mp->m_sb.sb_meta_uuid))
+ return false;
+ if (!xfs_valid_lsn(mp,
+ be64_to_cpu(XFS_BUF_TO_AGI(bp)->agi_lsn)))
return false;
+ }
+
/*
* Validate the magic number of the agi block.
*/
diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c
index f944a58..97e2b66 100644
--- a/libxfs/xfs_sb.c
+++ b/libxfs/xfs_sb.c
@@ -161,6 +161,15 @@ xfs_mount_validate_sb(
"Filesystem can not be safely mounted by this kernel.");
return -EINVAL;
}
+ } else if (xfs_sb_version_hascrc(sbp)) {
+ /*
+ * We can't read verify the sb LSN because the read verifier is
+ * called before the log is allocated and processed. We know the
+ * log is set up before write verifier (!check_version) calls,
+ * so just check it here.
+ */
+ if (!xfs_valid_lsn(mp, sbp->sb_lsn))
+ return -EINVAL;
}
if (xfs_sb_version_has_pquotino(sbp)) {
diff --git a/libxfs/xfs_symlink_remote.c b/libxfs/xfs_symlink_remote.c
index 7d46d9e..bb9f89f 100644
--- a/libxfs/xfs_symlink_remote.c
+++ b/libxfs/xfs_symlink_remote.c
@@ -57,6 +57,7 @@ xfs_symlink_hdr_set(
if (!xfs_sb_version_hascrc(&mp->m_sb))
return 0;
+ memset(dsl, 0, sizeof(struct xfs_dsymlink_hdr));
dsl->sl_magic = cpu_to_be32(XFS_SYMLINK_MAGIC);
dsl->sl_offset = cpu_to_be32(offset);
dsl->sl_bytes = cpu_to_be32(size);
@@ -113,6 +114,8 @@ xfs_symlink_verify(
return false;
if (dsl->sl_owner == 0)
return false;
+ if (!xfs_valid_lsn(mp, be64_to_cpu(dsl->sl_lsn)))
+ return false;
return true;
}
--
2.1.0
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