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authorDave Chinner <david@fromorbit.com>2014-03-13 19:12:33 +1100
committerDave Chinner <david@fromorbit.com>2014-03-13 19:12:33 +1100
commit49ae4b97d760d2e63394b96a7e14cbb43b9dc942 (patch)
tree628ea715021b8adce4f120965b40b47ff15d7b8c /fs/xfs
parent730357a5cb72d9754a396a350653ff98a9e44783 (diff)
parentce5028cfe3ca48695b6a128638fe224426d37ebe (diff)
downloadop-kernel-dev-49ae4b97d760d2e63394b96a7e14cbb43b9dc942.zip
op-kernel-dev-49ae4b97d760d2e63394b96a7e14cbb43b9dc942.tar.gz
Merge branch 'xfs-verifier-cleanup' into for-next
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_ag.h6
-rw-r--r--fs/xfs/xfs_alloc.c45
-rw-r--r--fs/xfs/xfs_alloc_btree.c16
-rw-r--r--fs/xfs/xfs_attr_leaf.c17
-rw-r--r--fs/xfs/xfs_attr_remote.c15
-rw-r--r--fs/xfs/xfs_bmap_btree.c16
-rw-r--r--fs/xfs/xfs_btree.c14
-rw-r--r--fs/xfs/xfs_buf.h14
-rw-r--r--fs/xfs/xfs_da_btree.c17
-rw-r--r--fs/xfs/xfs_dinode.h2
-rw-r--r--fs/xfs/xfs_dir2_block.c17
-rw-r--r--fs/xfs/xfs_dir2_data.c20
-rw-r--r--fs/xfs/xfs_dir2_leaf.c17
-rw-r--r--fs/xfs/xfs_dir2_node.c17
-rw-r--r--fs/xfs/xfs_dquot_buf.c11
-rw-r--r--fs/xfs/xfs_error.c27
-rw-r--r--fs/xfs/xfs_error.h1
-rw-r--r--fs/xfs/xfs_format.h2
-rw-r--r--fs/xfs/xfs_ialloc.c24
-rw-r--r--fs/xfs/xfs_ialloc_btree.c16
-rw-r--r--fs/xfs/xfs_inode_buf.c7
-rw-r--r--fs/xfs/xfs_linux.h2
-rw-r--r--fs/xfs/xfs_sb.c16
-rw-r--r--fs/xfs/xfs_sb.h2
-rw-r--r--fs/xfs/xfs_symlink_remote.c16
25 files changed, 202 insertions, 155 deletions
diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index 3fc1098..0fdd410 100644
--- a/fs/xfs/xfs_ag.h
+++ b/fs/xfs/xfs_ag.h
@@ -89,6 +89,8 @@ typedef struct xfs_agf {
/* structure must be padded to 64 bit alignment */
} xfs_agf_t;
+#define XFS_AGF_CRC_OFF offsetof(struct xfs_agf, agf_crc)
+
#define XFS_AGF_MAGICNUM 0x00000001
#define XFS_AGF_VERSIONNUM 0x00000002
#define XFS_AGF_SEQNO 0x00000004
@@ -167,6 +169,8 @@ typedef struct xfs_agi {
/* structure must be padded to 64 bit alignment */
} xfs_agi_t;
+#define XFS_AGI_CRC_OFF offsetof(struct xfs_agi, agi_crc)
+
#define XFS_AGI_MAGICNUM 0x00000001
#define XFS_AGI_VERSIONNUM 0x00000002
#define XFS_AGI_SEQNO 0x00000004
@@ -222,6 +226,8 @@ typedef struct xfs_agfl {
__be32 agfl_bno[]; /* actually XFS_AGFL_SIZE(mp) */
} xfs_agfl_t;
+#define XFS_AGFL_CRC_OFF offsetof(struct xfs_agfl, agfl_crc)
+
/*
* tags for inode radix tree
*/
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 9eab2df..c1cf6a3 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -474,7 +474,6 @@ xfs_agfl_read_verify(
struct xfs_buf *bp)
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- int agfl_ok = 1;
/*
* There is no verification of non-crc AGFLs because mkfs does not
@@ -485,15 +484,13 @@ xfs_agfl_read_verify(
if (!xfs_sb_version_hascrc(&mp->m_sb))
return;
- agfl_ok = xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agfl, agfl_crc));
-
- agfl_ok = agfl_ok && xfs_agfl_verify(bp);
-
- if (!agfl_ok) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (!xfs_buf_verify_cksum(bp, XFS_AGFL_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_agfl_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
static void
@@ -508,16 +505,15 @@ xfs_agfl_write_verify(
return;
if (!xfs_agfl_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
if (bip)
XFS_BUF_TO_AGFL(bp)->agfl_lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agfl, agfl_crc));
+ xfs_buf_update_cksum(bp, XFS_AGFL_CRC_OFF);
}
const struct xfs_buf_ops xfs_agfl_buf_ops = {
@@ -2238,19 +2234,17 @@ xfs_agf_read_verify(
struct xfs_buf *bp)
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- int agf_ok = 1;
-
- if (xfs_sb_version_hascrc(&mp->m_sb))
- agf_ok = xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agf, agf_crc));
- agf_ok = agf_ok && xfs_agf_verify(mp, bp);
-
- if (unlikely(XFS_TEST_ERROR(!agf_ok, mp, XFS_ERRTAG_ALLOC_READ_AGF,
- XFS_RANDOM_ALLOC_READ_AGF))) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (xfs_sb_version_hascrc(&mp->m_sb) &&
+ !xfs_buf_verify_cksum(bp, XFS_AGF_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (XFS_TEST_ERROR(!xfs_agf_verify(mp, bp), mp,
+ XFS_ERRTAG_ALLOC_READ_AGF,
+ XFS_RANDOM_ALLOC_READ_AGF))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
static void
@@ -2261,8 +2255,8 @@ xfs_agf_write_verify(
struct xfs_buf_log_item *bip = bp->b_fspriv;
if (!xfs_agf_verify(mp, bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
@@ -2272,8 +2266,7 @@ xfs_agf_write_verify(
if (bip)
XFS_BUF_TO_AGF(bp)->agf_lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agf, agf_crc));
+ xfs_buf_update_cksum(bp, XFS_AGF_CRC_OFF);
}
const struct xfs_buf_ops xfs_agf_buf_ops = {
diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c
index 1308542..cc1eadc 100644
--- a/fs/xfs/xfs_alloc_btree.c
+++ b/fs/xfs/xfs_alloc_btree.c
@@ -355,12 +355,14 @@ static void
xfs_allocbt_read_verify(
struct xfs_buf *bp)
{
- if (!(xfs_btree_sblock_verify_crc(bp) &&
- xfs_allocbt_verify(bp))) {
- trace_xfs_btree_corrupt(bp, _RET_IP_);
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
- bp->b_target->bt_mount, bp->b_addr);
+ if (!xfs_btree_sblock_verify_crc(bp))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_allocbt_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
+
+ if (bp->b_error) {
+ trace_xfs_btree_corrupt(bp, _RET_IP_);
+ xfs_verifier_error(bp);
}
}
@@ -370,9 +372,9 @@ xfs_allocbt_write_verify(
{
if (!xfs_allocbt_verify(bp)) {
trace_xfs_btree_corrupt(bp, _RET_IP_);
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
- bp->b_target->bt_mount, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
+ return;
}
xfs_btree_sblock_calc_crc(bp);
diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index 7b126f4..fe9587f 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -213,8 +213,8 @@ xfs_attr3_leaf_write_verify(
struct xfs_attr3_leaf_hdr *hdr3 = bp->b_addr;
if (!xfs_attr3_leaf_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
@@ -224,7 +224,7 @@ xfs_attr3_leaf_write_verify(
if (bip)
hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_ATTR3_LEAF_CRC_OFF);
+ xfs_buf_update_cksum(bp, XFS_ATTR3_LEAF_CRC_OFF);
}
/*
@@ -239,13 +239,14 @@ xfs_attr3_leaf_read_verify(
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- if ((xfs_sb_version_hascrc(&mp->m_sb) &&
- !xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_ATTR3_LEAF_CRC_OFF)) ||
- !xfs_attr3_leaf_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (xfs_sb_version_hascrc(&mp->m_sb) &&
+ !xfs_buf_verify_cksum(bp, XFS_ATTR3_LEAF_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_attr3_leaf_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
const struct xfs_buf_ops xfs_attr3_leaf_buf_ops = {
diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/xfs_attr_remote.c
index 5549d69..6e37823 100644
--- a/fs/xfs/xfs_attr_remote.c
+++ b/fs/xfs/xfs_attr_remote.c
@@ -125,7 +125,6 @@ xfs_attr3_rmt_read_verify(
struct xfs_mount *mp = bp->b_target->bt_mount;
char *ptr;
int len;
- bool corrupt = false;
xfs_daddr_t bno;
/* no verification of non-crc buffers */
@@ -140,11 +139,11 @@ xfs_attr3_rmt_read_verify(
while (len > 0) {
if (!xfs_verify_cksum(ptr, XFS_LBSIZE(mp),
XFS_ATTR3_RMT_CRC_OFF)) {
- corrupt = true;
+ xfs_buf_ioerror(bp, EFSBADCRC);
break;
}
if (!xfs_attr3_rmt_verify(mp, ptr, XFS_LBSIZE(mp), bno)) {
- corrupt = true;
+ xfs_buf_ioerror(bp, EFSCORRUPTED);
break;
}
len -= XFS_LBSIZE(mp);
@@ -152,10 +151,9 @@ xfs_attr3_rmt_read_verify(
bno += mp->m_bsize;
}
- if (corrupt) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
- xfs_buf_ioerror(bp, EFSCORRUPTED);
- } else
+ if (bp->b_error)
+ xfs_verifier_error(bp);
+ else
ASSERT(len == 0);
}
@@ -180,9 +178,8 @@ xfs_attr3_rmt_write_verify(
while (len > 0) {
if (!xfs_attr3_rmt_verify(mp, ptr, XFS_LBSIZE(mp), bno)) {
- XFS_CORRUPTION_ERROR(__func__,
- XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
if (bip) {
diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c
index 706bc3f..818d546 100644
--- a/fs/xfs/xfs_bmap_btree.c
+++ b/fs/xfs/xfs_bmap_btree.c
@@ -780,12 +780,14 @@ static void
xfs_bmbt_read_verify(
struct xfs_buf *bp)
{
- if (!(xfs_btree_lblock_verify_crc(bp) &&
- xfs_bmbt_verify(bp))) {
- trace_xfs_btree_corrupt(bp, _RET_IP_);
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
- bp->b_target->bt_mount, bp->b_addr);
+ if (!xfs_btree_lblock_verify_crc(bp))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_bmbt_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
+
+ if (bp->b_error) {
+ trace_xfs_btree_corrupt(bp, _RET_IP_);
+ xfs_verifier_error(bp);
}
}
@@ -794,11 +796,9 @@ xfs_bmbt_write_verify(
struct xfs_buf *bp)
{
if (!xfs_bmbt_verify(bp)) {
- xfs_warn(bp->b_target->bt_mount, "bmbt daddr 0x%llx failed", bp->b_bn);
trace_xfs_btree_corrupt(bp, _RET_IP_);
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
- bp->b_target->bt_mount, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
xfs_btree_lblock_calc_crc(bp);
diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c
index 9adaae4..e80d59f 100644
--- a/fs/xfs/xfs_btree.c
+++ b/fs/xfs/xfs_btree.c
@@ -234,8 +234,7 @@ xfs_btree_lblock_calc_crc(
return;
if (bip)
block->bb_u.l.bb_lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_BTREE_LBLOCK_CRC_OFF);
+ xfs_buf_update_cksum(bp, XFS_BTREE_LBLOCK_CRC_OFF);
}
bool
@@ -243,8 +242,8 @@ xfs_btree_lblock_verify_crc(
struct xfs_buf *bp)
{
if (xfs_sb_version_hascrc(&bp->b_target->bt_mount->m_sb))
- return xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_BTREE_LBLOCK_CRC_OFF);
+ return xfs_buf_verify_cksum(bp, XFS_BTREE_LBLOCK_CRC_OFF);
+
return true;
}
@@ -267,8 +266,7 @@ xfs_btree_sblock_calc_crc(
return;
if (bip)
block->bb_u.s.bb_lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_BTREE_SBLOCK_CRC_OFF);
+ xfs_buf_update_cksum(bp, XFS_BTREE_SBLOCK_CRC_OFF);
}
bool
@@ -276,8 +274,8 @@ xfs_btree_sblock_verify_crc(
struct xfs_buf *bp)
{
if (xfs_sb_version_hascrc(&bp->b_target->bt_mount->m_sb))
- return xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_BTREE_SBLOCK_CRC_OFF);
+ return xfs_buf_verify_cksum(bp, XFS_BTREE_SBLOCK_CRC_OFF);
+
return true;
}
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 9953395..b8a3abf 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -369,6 +369,20 @@ static inline void xfs_buf_relse(xfs_buf_t *bp)
xfs_buf_rele(bp);
}
+static inline int
+xfs_buf_verify_cksum(struct xfs_buf *bp, unsigned long cksum_offset)
+{
+ return xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
+ cksum_offset);
+}
+
+static inline void
+xfs_buf_update_cksum(struct xfs_buf *bp, unsigned long cksum_offset)
+{
+ xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
+ cksum_offset);
+}
+
/*
* Handling of buftargs.
*/
diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 796272a..1f5af79 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -185,8 +185,8 @@ xfs_da3_node_write_verify(
struct xfs_da3_node_hdr *hdr3 = bp->b_addr;
if (!xfs_da3_node_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
@@ -196,7 +196,7 @@ xfs_da3_node_write_verify(
if (bip)
hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DA3_NODE_CRC_OFF);
+ xfs_buf_update_cksum(bp, XFS_DA3_NODE_CRC_OFF);
}
/*
@@ -209,18 +209,20 @@ static void
xfs_da3_node_read_verify(
struct xfs_buf *bp)
{
- struct xfs_mount *mp = bp->b_target->bt_mount;
struct xfs_da_blkinfo *info = bp->b_addr;
switch (be16_to_cpu(info->magic)) {
case XFS_DA3_NODE_MAGIC:
- if (!xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_DA3_NODE_CRC_OFF))
+ if (!xfs_buf_verify_cksum(bp, XFS_DA3_NODE_CRC_OFF)) {
+ xfs_buf_ioerror(bp, EFSBADCRC);
break;
+ }
/* fall through */
case XFS_DA_NODE_MAGIC:
- if (!xfs_da3_node_verify(bp))
+ if (!xfs_da3_node_verify(bp)) {
+ xfs_buf_ioerror(bp, EFSCORRUPTED);
break;
+ }
return;
case XFS_ATTR_LEAF_MAGIC:
case XFS_ATTR3_LEAF_MAGIC:
@@ -237,8 +239,7 @@ xfs_da3_node_read_verify(
}
/* corrupt block */
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
- xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
}
const struct xfs_buf_ops xfs_da3_node_buf_ops = {
diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h
index e5869b5..623bbe8 100644
--- a/fs/xfs/xfs_dinode.h
+++ b/fs/xfs/xfs_dinode.h
@@ -89,6 +89,8 @@ typedef struct xfs_dinode {
/* structure must be padded to 64 bit alignment */
} xfs_dinode_t;
+#define XFS_DINODE_CRC_OFF offsetof(struct xfs_dinode, di_crc)
+
#define DI_MAX_FLUSH 0xffff
/*
diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c
index 90cdbf4..4f6a38c 100644
--- a/fs/xfs/xfs_dir2_block.c
+++ b/fs/xfs/xfs_dir2_block.c
@@ -89,13 +89,14 @@ xfs_dir3_block_read_verify(
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- if ((xfs_sb_version_hascrc(&mp->m_sb) &&
- !xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_DIR3_DATA_CRC_OFF)) ||
- !xfs_dir3_block_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (xfs_sb_version_hascrc(&mp->m_sb) &&
+ !xfs_buf_verify_cksum(bp, XFS_DIR3_DATA_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_dir3_block_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
static void
@@ -107,8 +108,8 @@ xfs_dir3_block_write_verify(
struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
if (!xfs_dir3_block_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
@@ -118,7 +119,7 @@ xfs_dir3_block_write_verify(
if (bip)
hdr3->lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_DATA_CRC_OFF);
+ xfs_buf_update_cksum(bp, XFS_DIR3_DATA_CRC_OFF);
}
const struct xfs_buf_ops xfs_dir3_block_buf_ops = {
diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c
index 70acff4..afa4ad5 100644
--- a/fs/xfs/xfs_dir2_data.c
+++ b/fs/xfs/xfs_dir2_data.c
@@ -241,7 +241,6 @@ static void
xfs_dir3_data_reada_verify(
struct xfs_buf *bp)
{
- struct xfs_mount *mp = bp->b_target->bt_mount;
struct xfs_dir2_data_hdr *hdr = bp->b_addr;
switch (hdr->magic) {
@@ -255,8 +254,8 @@ xfs_dir3_data_reada_verify(
xfs_dir3_data_verify(bp);
return;
default:
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, hdr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
break;
}
}
@@ -267,13 +266,14 @@ xfs_dir3_data_read_verify(
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- if ((xfs_sb_version_hascrc(&mp->m_sb) &&
- !xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_DIR3_DATA_CRC_OFF)) ||
- !xfs_dir3_data_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (xfs_sb_version_hascrc(&mp->m_sb) &&
+ !xfs_buf_verify_cksum(bp, XFS_DIR3_DATA_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_dir3_data_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
static void
@@ -285,8 +285,8 @@ xfs_dir3_data_write_verify(
struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
if (!xfs_dir3_data_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
@@ -296,7 +296,7 @@ xfs_dir3_data_write_verify(
if (bip)
hdr3->lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_DATA_CRC_OFF);
+ xfs_buf_update_cksum(bp, XFS_DIR3_DATA_CRC_OFF);
}
const struct xfs_buf_ops xfs_dir3_data_buf_ops = {
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c
index ae47ec6..d36e97d 100644
--- a/fs/xfs/xfs_dir2_leaf.c
+++ b/fs/xfs/xfs_dir2_leaf.c
@@ -179,13 +179,14 @@ __read_verify(
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- if ((xfs_sb_version_hascrc(&mp->m_sb) &&
- !xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_DIR3_LEAF_CRC_OFF)) ||
- !xfs_dir3_leaf_verify(bp, magic)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (xfs_sb_version_hascrc(&mp->m_sb) &&
+ !xfs_buf_verify_cksum(bp, XFS_DIR3_LEAF_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_dir3_leaf_verify(bp, magic))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
static void
@@ -198,8 +199,8 @@ __write_verify(
struct xfs_dir3_leaf_hdr *hdr3 = bp->b_addr;
if (!xfs_dir3_leaf_verify(bp, magic)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
@@ -209,7 +210,7 @@ __write_verify(
if (bip)
hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_LEAF_CRC_OFF);
+ xfs_buf_update_cksum(bp, XFS_DIR3_LEAF_CRC_OFF);
}
static void
diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c
index 48c7d18..cb434d7 100644
--- a/fs/xfs/xfs_dir2_node.c
+++ b/fs/xfs/xfs_dir2_node.c
@@ -115,13 +115,14 @@ xfs_dir3_free_read_verify(
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- if ((xfs_sb_version_hascrc(&mp->m_sb) &&
- !xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_DIR3_FREE_CRC_OFF)) ||
- !xfs_dir3_free_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (xfs_sb_version_hascrc(&mp->m_sb) &&
+ !xfs_buf_verify_cksum(bp, XFS_DIR3_FREE_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_dir3_free_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
static void
@@ -133,8 +134,8 @@ xfs_dir3_free_write_verify(
struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
if (!xfs_dir3_free_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
@@ -144,7 +145,7 @@ xfs_dir3_free_write_verify(
if (bip)
hdr3->lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_FREE_CRC_OFF);
+ xfs_buf_update_cksum(bp, XFS_DIR3_FREE_CRC_OFF);
}
const struct xfs_buf_ops xfs_dir3_free_buf_ops = {
diff --git a/fs/xfs/xfs_dquot_buf.c b/fs/xfs/xfs_dquot_buf.c
index d401457..610da81 100644
--- a/fs/xfs/xfs_dquot_buf.c
+++ b/fs/xfs/xfs_dquot_buf.c
@@ -257,10 +257,13 @@ xfs_dquot_buf_read_verify(
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- if (!xfs_dquot_buf_verify_crc(mp, bp) || !xfs_dquot_buf_verify(mp, bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (!xfs_dquot_buf_verify_crc(mp, bp))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_dquot_buf_verify(mp, bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
/*
@@ -275,8 +278,8 @@ xfs_dquot_buf_write_verify(
struct xfs_mount *mp = bp->b_target->bt_mount;
if (!xfs_dquot_buf_verify(mp, bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
}
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index 9995b80..edac5b0 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -156,7 +156,7 @@ xfs_error_report(
{
if (level <= xfs_error_level) {
xfs_alert_tag(mp, XFS_PTAG_ERROR_REPORT,
- "Internal error %s at line %d of file %s. Caller 0x%p",
+ "Internal error %s at line %d of file %s. Caller %pF",
tag, linenum, filename, ra);
xfs_stack_trace();
@@ -178,3 +178,28 @@ xfs_corruption_error(
xfs_error_report(tag, level, mp, filename, linenum, ra);
xfs_alert(mp, "Corruption detected. Unmount and run xfs_repair");
}
+
+/*
+ * Warnings specifically for verifier errors. Differentiate CRC vs. invalid
+ * values, and omit the stack trace unless the error level is tuned high.
+ */
+void
+xfs_verifier_error(
+ struct xfs_buf *bp)
+{
+ struct xfs_mount *mp = bp->b_target->bt_mount;
+
+ xfs_alert(mp, "Metadata %s detected at %pF, block 0x%llx",
+ bp->b_error == EFSBADCRC ? "CRC error" : "corruption",
+ __return_address, bp->b_bn);
+
+ xfs_alert(mp, "Unmount and run xfs_repair");
+
+ if (xfs_error_level >= XFS_ERRLEVEL_LOW) {
+ xfs_alert(mp, "First 64 bytes of corrupted metadata buffer:");
+ xfs_hex_dump(xfs_buf_offset(bp, 0), 64);
+ }
+
+ if (xfs_error_level >= XFS_ERRLEVEL_HIGH)
+ xfs_stack_trace();
+}
diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h
index 079a367..c1c57d4 100644
--- a/fs/xfs/xfs_error.h
+++ b/fs/xfs/xfs_error.h
@@ -34,6 +34,7 @@ extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
extern void xfs_corruption_error(const char *tag, int level,
struct xfs_mount *mp, void *p, const char *filename,
int linenum, inst_t *ra);
+extern void xfs_verifier_error(struct xfs_buf *bp);
#define XFS_ERROR_REPORT(e, lvl, mp) \
xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
diff --git a/fs/xfs/xfs_format.h b/fs/xfs/xfs_format.h
index b6ab5a3..9898f31 100644
--- a/fs/xfs/xfs_format.h
+++ b/fs/xfs/xfs_format.h
@@ -145,6 +145,8 @@ struct xfs_dsymlink_hdr {
__be64 sl_lsn;
};
+#define XFS_SYMLINK_CRC_OFF offsetof(struct xfs_dsymlink_hdr, sl_crc)
+
/*
* The maximum pathlen is 1024 bytes. Since the minimum file system
* blocksize is 512 bytes, we can get a max of 3 extents back from
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 5d7f105..5959b3b 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -1568,18 +1568,17 @@ xfs_agi_read_verify(
struct xfs_buf *bp)
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- int agi_ok = 1;
- if (xfs_sb_version_hascrc(&mp->m_sb))
- agi_ok = xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agi, agi_crc));
- agi_ok = agi_ok && xfs_agi_verify(bp);
-
- if (unlikely(XFS_TEST_ERROR(!agi_ok, mp, XFS_ERRTAG_IALLOC_READ_AGI,
- XFS_RANDOM_IALLOC_READ_AGI))) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (xfs_sb_version_hascrc(&mp->m_sb) &&
+ !xfs_buf_verify_cksum(bp, XFS_AGI_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (XFS_TEST_ERROR(!xfs_agi_verify(bp), mp,
+ XFS_ERRTAG_IALLOC_READ_AGI,
+ XFS_RANDOM_IALLOC_READ_AGI))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
static void
@@ -1590,8 +1589,8 @@ xfs_agi_write_verify(
struct xfs_buf_log_item *bip = bp->b_fspriv;
if (!xfs_agi_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
@@ -1600,8 +1599,7 @@ xfs_agi_write_verify(
if (bip)
XFS_BUF_TO_AGI(bp)->agi_lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agi, agi_crc));
+ xfs_buf_update_cksum(bp, XFS_AGI_CRC_OFF);
}
const struct xfs_buf_ops xfs_agi_buf_ops = {
diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c
index c8fa5bb..7e309b1 100644
--- a/fs/xfs/xfs_ialloc_btree.c
+++ b/fs/xfs/xfs_ialloc_btree.c
@@ -243,12 +243,14 @@ static void
xfs_inobt_read_verify(
struct xfs_buf *bp)
{
- if (!(xfs_btree_sblock_verify_crc(bp) &&
- xfs_inobt_verify(bp))) {
- trace_xfs_btree_corrupt(bp, _RET_IP_);
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
- bp->b_target->bt_mount, bp->b_addr);
+ if (!xfs_btree_sblock_verify_crc(bp))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_inobt_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
+
+ if (bp->b_error) {
+ trace_xfs_btree_corrupt(bp, _RET_IP_);
+ xfs_verifier_error(bp);
}
}
@@ -258,9 +260,9 @@ xfs_inobt_write_verify(
{
if (!xfs_inobt_verify(bp)) {
trace_xfs_btree_corrupt(bp, _RET_IP_);
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
- bp->b_target->bt_mount, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
+ return;
}
xfs_btree_sblock_calc_crc(bp);
diff --git a/fs/xfs/xfs_inode_buf.c b/fs/xfs/xfs_inode_buf.c
index 4fc9f39..24e9939 100644
--- a/fs/xfs/xfs_inode_buf.c
+++ b/fs/xfs/xfs_inode_buf.c
@@ -102,8 +102,7 @@ xfs_inode_buf_verify(
}
xfs_buf_ioerror(bp, EFSCORRUPTED);
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_HIGH,
- mp, dip);
+ xfs_verifier_error(bp);
#ifdef DEBUG
xfs_alert(mp,
"bad inode magic/vsn daddr %lld #%d (magic=%x)",
@@ -306,7 +305,7 @@ xfs_dinode_verify(
if (!xfs_sb_version_hascrc(&mp->m_sb))
return false;
if (!xfs_verify_cksum((char *)dip, mp->m_sb.sb_inodesize,
- offsetof(struct xfs_dinode, di_crc)))
+ XFS_DINODE_CRC_OFF))
return false;
if (be64_to_cpu(dip->di_ino) != ip->i_ino)
return false;
@@ -327,7 +326,7 @@ xfs_dinode_calc_crc(
ASSERT(xfs_sb_version_hascrc(&mp->m_sb));
crc = xfs_start_cksum((char *)dip, mp->m_sb.sb_inodesize,
- offsetof(struct xfs_dinode, di_crc));
+ XFS_DINODE_CRC_OFF);
dip->di_crc = xfs_end_cksum(crc);
}
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
index f9bb590..825249d 100644
--- a/fs/xfs/xfs_linux.h
+++ b/fs/xfs/xfs_linux.h
@@ -119,6 +119,7 @@ typedef __uint64_t __psunsigned_t;
#include "xfs_iops.h"
#include "xfs_aops.h"
#include "xfs_super.h"
+#include "xfs_cksum.h"
#include "xfs_buf.h"
#include "xfs_message.h"
@@ -178,6 +179,7 @@ typedef __uint64_t __psunsigned_t;
#define ENOATTR ENODATA /* Attribute not found */
#define EWRONGFS EINVAL /* Mount with wrong filesystem type */
#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
+#define EFSBADCRC EBADMSG /* Bad CRC detected */
#define SYNCHRONIZE() barrier()
#define __return_address __builtin_return_address(0)
diff --git a/fs/xfs/xfs_sb.c b/fs/xfs/xfs_sb.c
index 75161a2..0c0e41b 100644
--- a/fs/xfs/xfs_sb.c
+++ b/fs/xfs/xfs_sb.c
@@ -611,12 +611,11 @@ xfs_sb_read_verify(
XFS_SB_VERSION_5) ||
dsb->sb_crc != 0)) {
- if (!xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_sb, sb_crc))) {
+ if (!xfs_buf_verify_cksum(bp, XFS_SB_CRC_OFF)) {
/* Only fail bad secondaries on a known V5 filesystem */
if (bp->b_bn == XFS_SB_DADDR ||
xfs_sb_version_hascrc(&mp->m_sb)) {
- error = EFSCORRUPTED;
+ error = EFSBADCRC;
goto out_error;
}
}
@@ -625,10 +624,9 @@ xfs_sb_read_verify(
out_error:
if (error) {
- if (error == EFSCORRUPTED)
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
- mp, bp->b_addr);
xfs_buf_ioerror(bp, error);
+ if (error == EFSCORRUPTED || error == EFSBADCRC)
+ xfs_verifier_error(bp);
}
}
@@ -663,9 +661,8 @@ xfs_sb_write_verify(
error = xfs_sb_verify(bp, false);
if (error) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
- mp, bp->b_addr);
xfs_buf_ioerror(bp, error);
+ xfs_verifier_error(bp);
return;
}
@@ -675,8 +672,7 @@ xfs_sb_write_verify(
if (bip)
XFS_BUF_TO_SBP(bp)->sb_lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_sb, sb_crc));
+ xfs_buf_update_cksum(bp, XFS_SB_CRC_OFF);
}
const struct xfs_buf_ops xfs_sb_buf_ops = {
diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h
index 35061d4..f7b2fe7 100644
--- a/fs/xfs/xfs_sb.h
+++ b/fs/xfs/xfs_sb.h
@@ -182,6 +182,8 @@ typedef struct xfs_sb {
/* must be padded to 64 bit alignment */
} xfs_sb_t;
+#define XFS_SB_CRC_OFF offsetof(struct xfs_sb, sb_crc)
+
/*
* Superblock - on disk version. Must match the in core version above.
* Must be padded to 64 bit alignment.
diff --git a/fs/xfs/xfs_symlink_remote.c b/fs/xfs/xfs_symlink_remote.c
index bf59a2b..9b32052 100644
--- a/fs/xfs/xfs_symlink_remote.c
+++ b/fs/xfs/xfs_symlink_remote.c
@@ -133,12 +133,13 @@ xfs_symlink_read_verify(
if (!xfs_sb_version_hascrc(&mp->m_sb))
return;
- if (!xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_dsymlink_hdr, sl_crc)) ||
- !xfs_symlink_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (!xfs_buf_verify_cksum(bp, XFS_SYMLINK_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_symlink_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
static void
@@ -153,8 +154,8 @@ xfs_symlink_write_verify(
return;
if (!xfs_symlink_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}
@@ -162,8 +163,7 @@ xfs_symlink_write_verify(
struct xfs_dsymlink_hdr *dsl = bp->b_addr;
dsl->sl_lsn = cpu_to_be64(bip->bli_item.li_lsn);
}
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_dsymlink_hdr, sl_crc));
+ xfs_buf_update_cksum(bp, XFS_SYMLINK_CRC_OFF);
}
const struct xfs_buf_ops xfs_symlink_buf_ops = {
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