From: Darrick J. Wong <djwong@xxxxxxxxxx>
Whenever we encounter corrupt btree blocks, we should report that to the
health monitoring system for later reporting.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_alloc.c | 2 ++
fs/xfs/libxfs/xfs_bmap.c | 6 ++++++
fs/xfs/libxfs/xfs_btree.c | 25 ++++++++++++++++++++++---
fs/xfs/libxfs/xfs_health.h | 2 ++
fs/xfs/libxfs/xfs_ialloc.c | 1 +
fs/xfs/libxfs/xfs_refcount.c | 6 +++++-
fs/xfs/libxfs/xfs_rmap.c | 6 +++++-
fs/xfs/xfs_health.c | 38 ++++++++++++++++++++++++++++++++++++++
8 files changed, 81 insertions(+), 5 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 1cb2569c43cfc..2464b64b1cb4e 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -275,6 +275,7 @@ xfs_alloc_complain_bad_rec(
xfs_warn(mp,
"start block 0x%x block count 0x%x", irec->ar_startblock,
irec->ar_blockcount);
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
@@ -2702,6 +2703,7 @@ xfs_exact_minlen_extent_available(
goto out;
if (*stat == 0) {
+ xfs_btree_mark_sick(cnt_cur);
error = -EFSCORRUPTED;
goto out;
}
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 752e424600807..61918ca34658b 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -368,6 +368,8 @@ xfs_bmap_check_leaf_extents(
error = xfs_btree_read_bufl(mp, NULL, bno, &bp,
XFS_BMAP_BTREE_REF,
&xfs_bmbt_buf_ops);
+ if (xfs_metadata_is_sick(error))
+ xfs_btree_mark_sick(cur);
if (error)
goto error_norelse;
}
@@ -454,6 +456,8 @@ xfs_bmap_check_leaf_extents(
error = xfs_btree_read_bufl(mp, NULL, bno, &bp,
XFS_BMAP_BTREE_REF,
&xfs_bmbt_buf_ops);
+ if (xfs_metadata_is_sick(error))
+ xfs_btree_mark_sick(cur);
if (error)
goto error_norelse;
}
@@ -568,6 +572,8 @@ xfs_bmap_btree_to_extents(
#endif
error = xfs_btree_read_bufl(mp, tp, cbno, &cbp, XFS_BMAP_BTREE_REF,
&xfs_bmbt_buf_ops);
+ if (xfs_metadata_is_sick(error))
+ xfs_btree_mark_sick(cur);
if (error)
return error;
cblock = XFS_BUF_TO_BLOCK(cbp);
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index ea8d3659df208..51d0a569e8216 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -27,6 +27,7 @@
#include "xfs_bmap_btree.h"
#include "xfs_rmap_btree.h"
#include "xfs_refcount_btree.h"
+#include "xfs_health.h"
/*
* Btree magic numbers.
@@ -177,6 +178,7 @@ xfs_btree_check_lblock(
XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BTREE_CHECK_LBLOCK)) {
if (bp)
trace_xfs_btree_corrupt(bp, _RET_IP_);
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
return 0;
@@ -243,6 +245,7 @@ xfs_btree_check_sblock(
XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BTREE_CHECK_SBLOCK)) {
if (bp)
trace_xfs_btree_corrupt(bp, _RET_IP_);
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
return 0;
@@ -318,6 +321,7 @@ xfs_btree_check_ptr(
level, index);
}
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
@@ -498,6 +502,8 @@ xfs_btree_dup_cursor(
xfs_buf_daddr(bp), mp->m_bsize,
0, &bp,
cur->bc_ops->buf_ops);
+ if (xfs_metadata_is_sick(error))
+ xfs_btree_mark_sick(new);
if (error) {
xfs_btree_del_cursor(new, error);
*ncur = NULL;
@@ -1351,6 +1357,8 @@ xfs_btree_read_buf_block(
error = xfs_trans_read_buf(mp, cur->bc_tp, mp->m_ddev_targp, d,
mp->m_bsize, flags, bpp,
cur->bc_ops->buf_ops);
+ if (xfs_metadata_is_sick(error))
+ xfs_btree_mark_sick(cur);
if (error)
return error;
@@ -1661,6 +1669,7 @@ xfs_btree_increment(
if (cur->bc_flags & XFS_BTREE_ROOT_IN_INODE)
goto out0;
ASSERT(0);
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto error0;
}
@@ -1754,6 +1763,7 @@ xfs_btree_decrement(
if (cur->bc_flags & XFS_BTREE_ROOT_IN_INODE)
goto out0;
ASSERT(0);
+ xfs_btree_mark_sick(cur);
error = -EFSCORRUPTED;
goto error0;
}
@@ -1846,6 +1856,7 @@ xfs_btree_lookup_get_block(
*blkp = NULL;
xfs_buf_mark_corrupt(bp);
xfs_trans_brelse(cur->bc_tp, bp);
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
@@ -1892,8 +1903,10 @@ xfs_btree_lookup(
XFS_BTREE_STATS_INC(cur, lookup);
/* No such thing as a zero-level tree. */
- if (XFS_IS_CORRUPT(cur->bc_mp, cur->bc_nlevels == 0))
+ if (XFS_IS_CORRUPT(cur->bc_mp, cur->bc_nlevels == 0)) {
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
+ }
block = NULL;
keyno = 0;
@@ -1936,6 +1949,7 @@ xfs_btree_lookup(
XFS_ERRLEVEL_LOW,
cur->bc_mp, block,
sizeof(*block));
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
@@ -4369,12 +4383,16 @@ xfs_btree_visit_block(
*/
if (cur->bc_flags & XFS_BTREE_LONG_PTRS) {
if (be64_to_cpu(rptr.l) == XFS_DADDR_TO_FSB(cur->bc_mp,
- xfs_buf_daddr(bp)))
+ xfs_buf_daddr(bp))) {
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
+ }
} else {
if (be32_to_cpu(rptr.s) == xfs_daddr_to_agbno(cur->bc_mp,
- xfs_buf_daddr(bp)))
+ xfs_buf_daddr(bp))) {
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
+ }
}
return xfs_btree_lookup_get_block(cur, level, &rptr, &block);
}
@@ -5233,6 +5251,7 @@ xfs_btree_goto_left_edge(
return error;
if (stat != 0) {
ASSERT(0);
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
diff --git a/fs/xfs/libxfs/xfs_health.h b/fs/xfs/libxfs/xfs_health.h
index 50515920c9578..0876c767d9ddc 100644
--- a/fs/xfs/libxfs/xfs_health.h
+++ b/fs/xfs/libxfs/xfs_health.h
@@ -37,6 +37,7 @@ struct xfs_mount;
struct xfs_perag;
struct xfs_inode;
struct xfs_fsop_geom;
+struct xfs_btree_cur;
/* Observable health issues for metadata spanning the entire filesystem. */
#define XFS_SICK_FS_COUNTERS (1 << 0) /* summary counters */
@@ -153,6 +154,7 @@ void xfs_inode_measure_sickness(struct xfs_inode *ip, unsigned int *sick,
void xfs_health_unmount(struct xfs_mount *mp);
void xfs_bmap_mark_sick(struct xfs_inode *ip, int whichfork);
+void xfs_btree_mark_sick(struct xfs_btree_cur *cur);
/* Now some helpers. */
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index 2531b4c08915d..91584e96f05f6 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -148,6 +148,7 @@ xfs_inobt_complain_bad_rec(
"start inode 0x%x, count 0x%x, free 0x%x freemask 0x%llx, holemask 0x%x",
irec->ir_startino, irec->ir_count, irec->ir_freecount,
irec->ir_free, irec->ir_holemask);
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c
index 6709a7f8bad5a..91f1066f408b9 100644
--- a/fs/xfs/libxfs/xfs_refcount.c
+++ b/fs/xfs/libxfs/xfs_refcount.c
@@ -23,6 +23,7 @@
#include "xfs_refcount.h"
#include "xfs_rmap.h"
#include "xfs_ag.h"
+#include "xfs_health.h"
struct kmem_cache *xfs_refcount_intent_cache;
@@ -156,6 +157,7 @@ xfs_refcount_complain_bad_rec(
xfs_warn(mp,
"Start block 0x%x, block count 0x%x, references 0x%x",
irec->rc_startblock, irec->rc_blockcount, irec->rc_refcount);
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
@@ -1889,8 +1891,10 @@ xfs_refcount_recover_extent(
struct xfs_refcount_recovery *rr;
if (XFS_IS_CORRUPT(cur->bc_mp,
- be32_to_cpu(rec->refc.rc_refcount) != 1))
+ be32_to_cpu(rec->refc.rc_refcount) != 1)) {
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
+ }
rr = kmalloc(sizeof(struct xfs_refcount_recovery),
GFP_KERNEL | __GFP_NOFAIL);
diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c
index 76bf7f48cb5ac..76a2e47b8a8ee 100644
--- a/fs/xfs/libxfs/xfs_rmap.c
+++ b/fs/xfs/libxfs/xfs_rmap.c
@@ -23,6 +23,7 @@
#include "xfs_error.h"
#include "xfs_inode.h"
#include "xfs_ag.h"
+#include "xfs_health.h"
struct kmem_cache *xfs_rmap_intent_cache;
@@ -56,8 +57,10 @@ xfs_rmap_lookup_le(
error = xfs_rmap_get_rec(cur, irec, &get_stat);
if (error)
return error;
- if (!get_stat)
+ if (!get_stat) {
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
+ }
return 0;
}
@@ -277,6 +280,7 @@ xfs_rmap_complain_bad_rec(
"Owner 0x%llx, flags 0x%x, start block 0x%x block count 0x%x",
irec->rm_owner, irec->rm_flags, irec->rm_startblock,
irec->rm_blockcount);
+ xfs_btree_mark_sick(cur);
return -EFSCORRUPTED;
}
diff --git a/fs/xfs/xfs_health.c b/fs/xfs/xfs_health.c
index 9a86c1491e28e..27a27e27a2316 100644
--- a/fs/xfs/xfs_health.c
+++ b/fs/xfs/xfs_health.c
@@ -14,6 +14,7 @@
#include "xfs_trace.h"
#include "xfs_health.h"
#include "xfs_ag.h"
+#include "xfs_btree.h"
/*
* Warn about metadata corruption that we detected but haven't fixed, and
@@ -491,3 +492,40 @@ xfs_bmap_mark_sick(
xfs_inode_mark_sick(ip, mask);
}
+
+/* Record observations of btree corruption with the health tracking system. */
+void
+xfs_btree_mark_sick(
+ struct xfs_btree_cur *cur)
+{
+ unsigned int mask;
+
+ switch (cur->bc_btnum) {
+ case XFS_BTNUM_BMAP:
+ xfs_bmap_mark_sick(cur->bc_ino.ip, cur->bc_ino.whichfork);
+ return;
+ case XFS_BTNUM_BNO:
+ mask = XFS_SICK_AG_BNOBT;
+ break;
+ case XFS_BTNUM_CNT:
+ mask = XFS_SICK_AG_CNTBT;
+ break;
+ case XFS_BTNUM_INO:
+ mask = XFS_SICK_AG_INOBT;
+ break;
+ case XFS_BTNUM_FINO:
+ mask = XFS_SICK_AG_FINOBT;
+ break;
+ case XFS_BTNUM_RMAP:
+ mask = XFS_SICK_AG_RMAPBT;
+ break;
+ case XFS_BTNUM_REFC:
+ mask = XFS_SICK_AG_REFCNTBT;
+ break;
+ default:
+ ASSERT(0);
+ return;
+ }
+
+ xfs_ag_mark_sick(cur->bc_ag.pag, mask);
+}
