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path: root/fs/xfs/libxfs/xfs_da_btree.c
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Diffstat (limited to 'fs/xfs/libxfs/xfs_da_btree.c')
-rw-r--r--fs/xfs/libxfs/xfs_da_btree.c70
1 files changed, 47 insertions, 23 deletions
diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
index 651611530d2f..ea187b4a7991 100644
--- a/fs/xfs/libxfs/xfs_da_btree.c
+++ b/fs/xfs/libxfs/xfs_da_btree.c
@@ -128,7 +128,7 @@ xfs_da_state_free(xfs_da_state_t *state)
kmem_zone_free(xfs_da_state_zone, state);
}
-static bool
+static xfs_failaddr_t
xfs_da3_node_verify(
struct xfs_buf *bp)
{
@@ -145,24 +145,24 @@ xfs_da3_node_verify(
struct xfs_da3_node_hdr *hdr3 = bp->b_addr;
if (ichdr.magic != XFS_DA3_NODE_MAGIC)
- return false;
+ return __this_address;
if (!uuid_equal(&hdr3->info.uuid, &mp->m_sb.sb_meta_uuid))
- return false;
+ return __this_address;
if (be64_to_cpu(hdr3->info.blkno) != bp->b_bn)
- return false;
+ return __this_address;
if (!xfs_log_check_lsn(mp, be64_to_cpu(hdr3->info.lsn)))
- return false;
+ return __this_address;
} else {
if (ichdr.magic != XFS_DA_NODE_MAGIC)
- return false;
+ return __this_address;
}
if (ichdr.level == 0)
- return false;
+ return __this_address;
if (ichdr.level > XFS_DA_NODE_MAXDEPTH)
- return false;
+ return __this_address;
if (ichdr.count == 0)
- return false;
+ return __this_address;
/*
* we don't know if the node is for and attribute or directory tree,
@@ -170,11 +170,11 @@ xfs_da3_node_verify(
*/
if (ichdr.count > mp->m_dir_geo->node_ents &&
ichdr.count > mp->m_attr_geo->node_ents)
- return false;
+ return __this_address;
/* XXX: hash order check? */
- return true;
+ return NULL;
}
static void
@@ -182,12 +182,13 @@ xfs_da3_node_write_verify(
struct xfs_buf *bp)
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- struct xfs_buf_log_item *bip = bp->b_fspriv;
+ struct xfs_buf_log_item *bip = bp->b_log_item;
struct xfs_da3_node_hdr *hdr3 = bp->b_addr;
+ xfs_failaddr_t fa;
- if (!xfs_da3_node_verify(bp)) {
- xfs_buf_ioerror(bp, -EFSCORRUPTED);
- xfs_verifier_error(bp);
+ fa = xfs_da3_node_verify(bp);
+ if (fa) {
+ xfs_verifier_error(bp, -EFSCORRUPTED, fa);
return;
}
@@ -211,19 +212,20 @@ xfs_da3_node_read_verify(
struct xfs_buf *bp)
{
struct xfs_da_blkinfo *info = bp->b_addr;
+ xfs_failaddr_t fa;
switch (be16_to_cpu(info->magic)) {
case XFS_DA3_NODE_MAGIC:
if (!xfs_buf_verify_cksum(bp, XFS_DA3_NODE_CRC_OFF)) {
- xfs_buf_ioerror(bp, -EFSBADCRC);
+ xfs_verifier_error(bp, -EFSBADCRC,
+ __this_address);
break;
}
/* fall through */
case XFS_DA_NODE_MAGIC:
- if (!xfs_da3_node_verify(bp)) {
- xfs_buf_ioerror(bp, -EFSCORRUPTED);
- break;
- }
+ fa = xfs_da3_node_verify(bp);
+ if (fa)
+ xfs_verifier_error(bp, -EFSCORRUPTED, fa);
return;
case XFS_ATTR_LEAF_MAGIC:
case XFS_ATTR3_LEAF_MAGIC:
@@ -236,18 +238,40 @@ xfs_da3_node_read_verify(
bp->b_ops->verify_read(bp);
return;
default:
- xfs_buf_ioerror(bp, -EFSCORRUPTED);
+ xfs_verifier_error(bp, -EFSCORRUPTED, __this_address);
break;
}
+}
+
+/* Verify the structure of a da3 block. */
+static xfs_failaddr_t
+xfs_da3_node_verify_struct(
+ struct xfs_buf *bp)
+{
+ struct xfs_da_blkinfo *info = bp->b_addr;
- /* corrupt block */
- xfs_verifier_error(bp);
+ switch (be16_to_cpu(info->magic)) {
+ case XFS_DA3_NODE_MAGIC:
+ case XFS_DA_NODE_MAGIC:
+ return xfs_da3_node_verify(bp);
+ case XFS_ATTR_LEAF_MAGIC:
+ case XFS_ATTR3_LEAF_MAGIC:
+ bp->b_ops = &xfs_attr3_leaf_buf_ops;
+ return bp->b_ops->verify_struct(bp);
+ case XFS_DIR2_LEAFN_MAGIC:
+ case XFS_DIR3_LEAFN_MAGIC:
+ bp->b_ops = &xfs_dir3_leafn_buf_ops;
+ return bp->b_ops->verify_struct(bp);
+ default:
+ return __this_address;
+ }
}
const struct xfs_buf_ops xfs_da3_node_buf_ops = {
.name = "xfs_da3_node",
.verify_read = xfs_da3_node_read_verify,
.verify_write = xfs_da3_node_write_verify,
+ .verify_struct = xfs_da3_node_verify_struct,
};
int