Scrub an individual inode's block mappings to make sure they make sense.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
libxfs/xfs_bmap.h | 12 ++++++------
libxfs/xfs_bmap_btree.c | 26 ++++++++++++++++++++++----
libxfs/xfs_fs.h | 5 ++++-
3 files changed, 32 insertions(+), 11 deletions(-)
diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h
index e60be02..4afa21c 100644
--- a/libxfs/xfs_bmap.h
+++ b/libxfs/xfs_bmap.h
@@ -235,12 +235,6 @@ int xfs_bmap_shift_extents(struct xfs_trans *tp, struct xfs_inode *ip,
int num_exts);
int xfs_bmap_split_extent(struct xfs_inode *ip, xfs_fileoff_t split_offset);
-struct xfs_bmbt_rec_host *
- xfs_bmap_search_extents(struct xfs_inode *ip, xfs_fileoff_t bno,
- int fork, int *eofp, xfs_extnum_t *lastxp,
- struct xfs_bmbt_irec *gotp,
- struct xfs_bmbt_irec *prevp);
-
enum xfs_bmap_intent_type {
XFS_BMAP_MAP,
XFS_BMAP_UNMAP,
@@ -265,4 +259,10 @@ int xfs_bmap_unmap_extent(struct xfs_mount *mp, struct xfs_defer_ops *dfops,
struct xfs_inode *ip, int whichfork,
struct xfs_bmbt_irec *imap);
+struct xfs_bmbt_rec_host *
+ xfs_bmap_search_extents(struct xfs_inode *ip, xfs_fileoff_t bno,
+ int fork, int *eofp, xfs_extnum_t *lastxp,
+ struct xfs_bmbt_irec *gotp,
+ struct xfs_bmbt_irec *prevp);
+
#endif /* __XFS_BMAP_H__ */
diff --git a/libxfs/xfs_bmap_btree.c b/libxfs/xfs_bmap_btree.c
index 601385d..54306b1 100644
--- a/libxfs/xfs_bmap_btree.c
+++ b/libxfs/xfs_bmap_btree.c
@@ -620,6 +620,16 @@ xfs_bmbt_init_key_from_rec(
}
STATIC void
+xfs_bmbt_init_high_key_from_rec(
+ union xfs_btree_key *key,
+ union xfs_btree_rec *rec)
+{
+ key->bmbt.br_startoff = cpu_to_be64(
+ xfs_bmbt_disk_get_startoff(&rec->bmbt) +
+ xfs_bmbt_disk_get_blockcount(&rec->bmbt) - 1);
+}
+
+STATIC void
xfs_bmbt_init_rec_from_cur(
struct xfs_btree_cur *cur,
union xfs_btree_rec *rec)
@@ -644,6 +654,16 @@ xfs_bmbt_key_diff(
cur->bc_rec.b.br_startoff;
}
+STATIC __int64_t
+xfs_bmbt_diff_two_keys(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_key *k1,
+ union xfs_btree_key *k2)
+{
+ return (__int64_t)be64_to_cpu(k1->bmbt.br_startoff) -
+ be64_to_cpu(k2->bmbt.br_startoff);
+}
+
static bool
xfs_bmbt_verify(
struct xfs_buf *bp)
@@ -734,7 +754,6 @@ const struct xfs_buf_ops xfs_bmbt_buf_ops = {
};
-#if defined(DEBUG) || defined(XFS_WARN)
STATIC int
xfs_bmbt_keys_inorder(
struct xfs_btree_cur *cur,
@@ -755,7 +774,6 @@ xfs_bmbt_recs_inorder(
xfs_bmbt_disk_get_blockcount(&r1->bmbt) <=
xfs_bmbt_disk_get_startoff(&r2->bmbt);
}
-#endif /* DEBUG */
static const struct xfs_btree_ops xfs_bmbt_ops = {
.rec_len = sizeof(xfs_bmbt_rec_t),
@@ -769,14 +787,14 @@ static const struct xfs_btree_ops xfs_bmbt_ops = {
.get_minrecs = xfs_bmbt_get_minrecs,
.get_dmaxrecs = xfs_bmbt_get_dmaxrecs,
.init_key_from_rec = xfs_bmbt_init_key_from_rec,
+ .init_high_key_from_rec = xfs_bmbt_init_high_key_from_rec,
.init_rec_from_cur = xfs_bmbt_init_rec_from_cur,
.init_ptr_from_cur = xfs_bmbt_init_ptr_from_cur,
.key_diff = xfs_bmbt_key_diff,
+ .diff_two_keys = xfs_bmbt_diff_two_keys,
.buf_ops = &xfs_bmbt_buf_ops,
-#if defined(DEBUG) || defined(XFS_WARN)
.keys_inorder = xfs_bmbt_keys_inorder,
.recs_inorder = xfs_bmbt_recs_inorder,
-#endif
};
/*
diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index f8301c8..9829a6a 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -570,7 +570,10 @@ struct xfs_scrub_metadata {
#define XFS_SCRUB_TYPE_RMAPBT 8 /* reverse mapping btree */
#define XFS_SCRUB_TYPE_REFCNTBT 9 /* reference count btree */
#define XFS_SCRUB_TYPE_INODE 10 /* inode record */
-#define XFS_SCRUB_TYPE_MAX 10
+#define XFS_SCRUB_TYPE_BMBTD 11 /* data fork block mapping */
+#define XFS_SCRUB_TYPE_BMBTA 12 /* attr fork block mapping */
+#define XFS_SCRUB_TYPE_BMBTC 13 /* CoW fork block mapping */
+#define XFS_SCRUB_TYPE_MAX 13
#define XFS_SCRUB_FLAGS_ALL 0x0 /* no flags yet */
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