Use the realtime rmap btree to pre-populate the block type information
so that when repair iterates the primary metadata, we can confirm the
block type.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
repair/dinode.c | 170 +++++++++++++++++++++++-
repair/dinode.h | 2
repair/scan.c | 391 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
repair/scan.h | 33 +++++
4 files changed, 583 insertions(+), 13 deletions(-)
diff --git a/repair/dinode.c b/repair/dinode.c
index 843c465..6718cd2 100644
--- a/repair/dinode.c
+++ b/repair/dinode.c
@@ -423,6 +423,18 @@ verify_agbno(xfs_mount_t *mp,
return verify_ag_bno(sbp, agno, agbno) == 0;
}
+/*
+ * Verify realtime device block number.
+ * Returns 1 for good rtfsb or 0 if it's invalid.
+ */
+int
+verify_drtbno(
+ struct xfs_mount *mp,
+ xfs_fsblock_t fsb)
+{
+ return fsb < mp->m_sb.sb_rblocks;
+}
+
static int
process_rt_rec(
xfs_mount_t *mp,
@@ -439,7 +451,7 @@ process_rt_rec(
/*
* check numeric validity of the extent
*/
- if (irec->br_startblock >= mp->m_sb.sb_rblocks) {
+ if (!verify_drtbno(mp, irec->br_startblock)) {
do_warn(
_("inode %" PRIu64 " - bad rt extent start block number %" PRIu64 ", offset %" PRIu64 "\n"),
ino,
@@ -447,7 +459,7 @@ _("inode %" PRIu64 " - bad rt extent start block number %" PRIu64 ", offset %" P
irec->br_startoff);
return 1;
}
- if (irec->br_startblock + irec->br_blockcount - 1 >= mp->m_sb.sb_rblocks) {
+ if (!verify_drtbno(mp, irec->br_startblock + irec->br_blockcount)) {
do_warn(
_("inode %" PRIu64 " - bad rt extent last block number %" PRIu64 ", offset %" PRIu64 "\n"),
ino,
@@ -917,6 +929,145 @@ get_agino_buf(
* return 1 if inode should be cleared, 0 otherwise
*/
static int
+process_rtrmap(
+ struct xfs_mount *mp,
+ xfs_agnumber_t agno,
+ xfs_agino_t ino,
+ struct xfs_dinode *dip,
+ int type,
+ int *dirty,
+ xfs_rfsblock_t *tot,
+ __uint64_t *nex,
+ blkmap_t **blkmapp,
+ int check_dups)
+{
+ struct xfs_rtrmap_root *dib;
+ xfs_ino_t lino;
+ xfs_rtrmap_ptr_t *pp;
+ struct xfs_rtrmap_key *kp;
+ struct xfs_rtrmap_rec *rp;
+ int whichfork = XFS_DATA_FORK;
+ char *forkname = get_forkname(whichfork);
+ int i;
+ int level;
+ int numrecs;
+ xfs_fsblock_t bno;
+ struct xfs_rmap_irec oldkey;
+ struct xfs_rmap_irec key;
+ struct rmap_priv priv;
+ int suspect = 0;
+ int error;
+
+ /* We rebuild the rtrmapbt, so no need to process blocks again. */
+ if (check_dups) {
+ *tot = be64_to_cpu(dip->di_nblocks);
+ return 0;
+ }
+
+ memset(&priv.high_key, 0xFF, sizeof(priv.high_key));
+ priv.high_key.rm_blockcount = 0;
+ priv.agcnts = NULL;
+ priv.last_rec.rm_owner = XFS_RMAP_OWN_UNKNOWN;
+
+ dib = (struct xfs_rtrmap_root *)XFS_DFORK_PTR(dip, whichfork);
+ lino = XFS_AGINO_TO_INO(mp, agno, ino);
+ *tot = 0;
+ *nex = 0;
+
+ level = be16_to_cpu(dib->bb_level);
+ numrecs = be16_to_cpu(dib->bb_numrecs);
+
+ if (level > mp->m_rtrmap_maxlevels) {
+ do_warn(
+_("bad level %d in inode %" PRIu64 " rtrmap btree root block\n"),
+ level, lino);
+ return 1;
+ }
+
+ /*
+ * use rtroot/dfork_dsize since the root block is in the data fork
+ */
+ if (XFS_RTRMAP_ROOT_SPACE_CALC(numrecs, level) >
+ XFS_DFORK_SIZE(dip, mp, whichfork)) {
+ do_warn(
+_("indicated size of %s rtrmapbt root (%d bytes) greater than space in "
+ "inode %" PRIu64 " %s fork\n"),
+ forkname, XFS_RTRMAP_ROOT_SPACE_CALC(numrecs, level),
+ lino, forkname);
+ return 1;
+ }
+
+ if (level == 0) {
+ rp = XFS_RTRMAP_ROOT_REC_ADDR(dib, 1);
+ error = process_rtrmap_reclist(mp, rp, numrecs,
+ &priv.last_rec, NULL, "rtrmapbt root");
+ if (error) {
+ rmap_avoid_check();
+ return 1;
+ }
+ return 0;
+ }
+
+ pp = XFS_RTRMAP_ROOT_PTR_ADDR(dib, 1,
+ libxfs_rtrmapbt_maxrecs(mp,
+ XFS_DFORK_SIZE(dip, mp, whichfork), 0));
+
+ /* check for in-order keys */
+ for (i = 0; i < numrecs; i++) {
+ kp = XFS_RTRMAP_ROOT_KEY_ADDR(dib, i + 1);
+
+ key.rm_flags = 0;
+ key.rm_startblock = be64_to_cpu(kp->rm_startblock);
+ key.rm_owner = be64_to_cpu(kp->rm_owner);
+ if (libxfs_rmap_irec_offset_unpack(be64_to_cpu(kp->rm_offset),
+ &key)) {
+ /* Look for impossible flags. */
+ do_warn(
+_("invalid flags in key %u of rtrmap root ino %" PRIu64 "\n"),
+ i, lino);
+ suspect++;
+ continue;
+ }
+ if (i == 0) {
+ oldkey = key;
+ continue;
+ }
+ if (rmap_diffkeys(&oldkey, &key) > 0) {
+ do_warn(
+_("out of order key %u in rtrmap root ino %" PRIu64 "\n"),
+ i, lino);
+ suspect++;
+ continue;
+ }
+ oldkey = key;
+ }
+
+ /* probe keys */
+ for (i = 0; i < numrecs; i++) {
+ bno = get_unaligned_be64(&pp[i]);
+
+ if (!verify_dfsbno(mp, bno)) {
+ do_warn(
+_("bad rtrmap btree ptr 0x%" PRIx64 " in ino %" PRIu64 "\n"),
+ bno, lino);
+ return 1;
+ }
+
+ if (scan_lbtree(bno, level, scan_rtrmapbt,
+ type, whichfork, lino, tot, nex, blkmapp,
+ NULL, 1, check_dups, XFS_RTRMAP_CRC_MAGIC,
+ &priv,
+ &xfs_rtrmapbt_buf_ops))
+ return 1;
+ }
+
+ return suspect ? 1 : 0;
+}
+
+/*
+ * return 1 if inode should be cleared, 0 otherwise
+ */
+static int
process_btinode(
xfs_mount_t *mp,
xfs_agnumber_t agno,
@@ -1545,9 +1696,13 @@ change_dinode_fmt(
static int
check_dinode_mode_format(
- xfs_dinode_t *dinoc)
+ struct xfs_mount *mp,
+ xfs_ino_t lino,
+ struct xfs_dinode *dinoc)
{
- if (dinoc->di_format >= XFS_DINODE_FMT_UUID)
+ if (lino == mp->m_sb.sb_rrmapino)
+ return dinoc->di_format != XFS_DINODE_FMT_RMAP;
+ else if (dinoc->di_format >= XFS_DINODE_FMT_UUID)
return -1; /* FMT_UUID is not used */
switch (dinode_fmt(dinoc)) {
@@ -1947,6 +2102,10 @@ process_inode_data_fork(
totblocks, nextents, dblkmap, XFS_DATA_FORK,
check_dups);
break;
+ case XFS_DINODE_FMT_RMAP:
+ err = process_rtrmap(mp, agno, ino, dino, type, dirty,
+ totblocks, nextents, dblkmap, check_dups);
+ break;
case XFS_DINODE_FMT_DEV: /* fall through */
err = 0;
break;
@@ -1986,6 +2145,7 @@ process_inode_data_fork(
XFS_DATA_FORK, 0);
break;
case XFS_DINODE_FMT_DEV: /* fall through */
+ case XFS_DINODE_FMT_RMAP:
err = 0;
break;
default:
@@ -2395,7 +2555,7 @@ _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"),
* free inodes since technically any format is legal
* as we reset the inode when we re-use it.
*/
- if (di_mode != 0 && check_dinode_mode_format(dino) != 0) {
+ if (di_mode != 0 && check_dinode_mode_format(mp, lino, dino) != 0) {
if (!uncertain)
do_warn(
_("bad inode format in inode %" PRIu64 "\n"), lino);
diff --git a/repair/dinode.h b/repair/dinode.h
index 61d0736..70d5d91 100644
--- a/repair/dinode.h
+++ b/repair/dinode.h
@@ -30,6 +30,8 @@ int
verify_dfsbno(xfs_mount_t *mp,
xfs_fsblock_t fsbno);
+int verify_drtbno(struct xfs_mount *mp, xfs_fsblock_t fsbno);
+
void
convert_extent(
xfs_bmbt_rec_t *rp,
diff --git a/repair/scan.c b/repair/scan.c
index 8935be7..7c88b6f 100644
--- a/repair/scan.c
+++ b/repair/scan.c
@@ -824,7 +824,10 @@ process_rmap_rec(
break;
default:
/* file data */
- set_bmap_ext(agno, b, blen, XR_E_INUSE1);
+ if (owner == mp->m_sb.sb_rrmapino)
+ set_bmap_ext(agno, b, blen, XR_E_FS_MAP1);
+ else
+ set_bmap_ext(agno, b, blen, XR_E_INUSE1);
break;
}
break;
@@ -896,13 +899,6 @@ _("unknown block (%d,%d-%d) mismatch on %s tree, state - %d,%" PRIx64 "\n"),
}
}
-struct rmap_priv {
- struct aghdr_cnts *agcnts;
- struct xfs_rmap_irec high_key;
- struct xfs_rmap_irec last_rec;
- xfs_agblock_t nr_blocks;
-};
-
static bool
rmap_in_order(
xfs_agblock_t b,
@@ -1218,6 +1214,385 @@ out:
rmap_avoid_check();
}
+int
+process_rtrmap_reclist(
+ struct xfs_mount *mp,
+ struct xfs_rtrmap_rec *rp,
+ int numrecs,
+ struct xfs_rmap_irec *last_rec,
+ struct xfs_rmap_irec *high_key,
+ const char *name)
+{
+ int suspect = 0;
+ int i;
+ struct xfs_rmap_irec oldkey;
+ struct xfs_rmap_irec key;
+
+ for (i = 0; i < numrecs; i++) {
+ xfs_fsblock_t b, end;
+ xfs_filblks_t len;
+ uint64_t owner, offset;
+
+ b = be64_to_cpu(rp[i].rm_startblock);
+ len = be64_to_cpu(rp[i].rm_blockcount);
+ owner = be64_to_cpu(rp[i].rm_owner);
+ offset = be64_to_cpu(rp[i].rm_offset);
+
+ key.rm_flags = 0;
+ key.rm_startblock = b;
+ key.rm_blockcount = len;
+ key.rm_owner = owner;
+ if (libxfs_rmap_irec_offset_unpack(offset, &key)) {
+ /* Look for impossible flags. */
+ do_warn(
+_("invalid flags in record %u of %s\n"),
+ i, name);
+ suspect++;
+ continue;
+ }
+
+
+ end = key.rm_startblock + key.rm_blockcount;
+
+ /* Make sure startblock & len make sense. */
+ if (!verify_drtbno(mp, b)) {
+ do_warn(
+_("invalid start block %llu in record %u of %s\n"),
+ (unsigned long long)b, i, name);
+ suspect++;
+ continue;
+ }
+ if (len == 0 || !verify_drtbno(mp, end - 1)) {
+ do_warn(
+_("invalid length %llu in record %u of %s\n"),
+ (unsigned long long)len, i, name);
+ suspect++;
+ continue;
+ }
+
+ /* We only store inode data in the rtrmap. */
+ if (XFS_RMAP_NON_INODE_OWNER(owner)) {
+ do_warn(
+_("invalid owner %lld in record %u of %s\n"),
+ (long long int)owner, i, name);
+ suspect++;
+ continue;
+ }
+
+ /* Look for impossible record field combinations. */
+ if (key.rm_flags & XFS_RMAP_KEY_FLAGS) {
+ do_warn(
+_("record %d cannot have attr fork/key flags in %s\n"),
+ i, name);
+ suspect++;
+ continue;
+ }
+
+ /* Check for out of order records. */
+ if (i == 0)
+ oldkey = key;
+ else {
+ if (rmap_diffkeys(&oldkey, &key) > 0)
+ do_warn(
+_("out-of-order record %d (%llu %"PRId64" %"PRIu64" %llu) in %s\n"),
+ i, (unsigned long long)b, owner, offset,
+ (unsigned long long)len, name);
+ else
+ oldkey = key;
+ }
+
+ /* Is this mergeable with the previous record? */
+ if (rmaps_are_mergeable(last_rec, &key)) {
+ do_warn(
+_("record %d in %s should be merged with previous record\n"),
+ i, name);
+ last_rec->rm_blockcount += key.rm_blockcount;
+ } else
+ *last_rec = key;
+
+ /* Check that we don't go past the high key. */
+ key.rm_startblock += key.rm_blockcount - 1;
+ key.rm_offset += key.rm_blockcount - 1;
+ key.rm_blockcount = 0;
+ if (high_key && rmap_diffkeys(&key, high_key) > 0) {
+ do_warn(
+_("record %d greater than high key of %s\n"),
+ i, name);
+ suspect++;
+ }
+ }
+
+ return suspect;
+}
+
+int
+scan_rtrmapbt(
+ struct xfs_btree_block *block,
+ int level,
+ int type,
+ int whichfork,
+ xfs_fsblock_t fsbno,
+ xfs_ino_t ino,
+ xfs_rfsblock_t *tot,
+ __uint64_t *nex,
+ blkmap_t **blkmapp,
+ bmap_cursor_t *bm_cursor,
+ int isroot,
+ int check_dups,
+ int *dirty,
+ __uint64_t magic,
+ void *priv)
+{
+ const char *name = "rtrmap";
+ char rootname[256];
+ int i;
+ xfs_rtrmap_ptr_t *pp;
+ struct xfs_rtrmap_rec *rp;
+ struct rmap_priv *rmap_priv = priv;
+ int hdr_errors = 0;
+ int numrecs;
+ int state;
+ struct xfs_rtrmap_key *kp;
+ struct xfs_rmap_irec oldkey;
+ struct xfs_rmap_irec key;
+ xfs_agnumber_t agno;
+ xfs_agblock_t agbno;
+ int suspect = 0;
+ int error;
+
+ agno = XFS_FSB_TO_AGNO(mp, fsbno);
+ agbno = XFS_FSB_TO_AGBNO(mp, fsbno);
+
+ /* If anything here is bad, just bail. */
+ if (be32_to_cpu(block->bb_magic) != magic) {
+ do_warn(
+_("bad magic # %#x in inode %" PRIu64 " %s block %" PRIu64 "\n"),
+ be32_to_cpu(block->bb_magic), ino, name, fsbno);
+ return 1;
+ }
+ if (be16_to_cpu(block->bb_level) != level) {
+ do_warn(
+_("expected level %d got %d in inode %" PRIu64 ", %s block %" PRIu64 "\n"),
+ level, be16_to_cpu(block->bb_level),
+ ino, name, fsbno);
+ return(1);
+ }
+
+ /* verify owner */
+ if (be64_to_cpu(block->bb_u.l.bb_owner) != ino) {
+ do_warn(
+_("expected owner inode %" PRIu64 ", got %llu, %s block %" PRIu64 "\n"),
+ ino, be64_to_cpu(block->bb_u.l.bb_owner), name, fsbno);
+ return 1;
+ }
+ /* verify block number */
+ if (be64_to_cpu(block->bb_u.l.bb_blkno) !=
+ XFS_FSB_TO_DADDR(mp, fsbno)) {
+ do_warn(
+_("expected block %" PRIu64 ", got %llu, %s block %" PRIu64 "\n"),
+ XFS_FSB_TO_DADDR(mp, fsbno),
+ be64_to_cpu(block->bb_u.l.bb_blkno), name, fsbno);
+ return 1;
+ }
+ /* verify uuid */
+ if (platform_uuid_compare(&block->bb_u.l.bb_uuid,
+ &mp->m_sb.sb_meta_uuid) != 0) {
+ do_warn(
+_("wrong FS UUID, %s block %" PRIu64 "\n"),
+ name, fsbno);
+ return 1;
+ }
+
+ /* check for btree blocks multiply claimed */
+ state = get_bmap(agno, agbno);
+ if (!(state == XR_E_UNKNOWN || state == XR_E_FS_MAP1)) {
+ set_bmap(agno, agbno, XR_E_MULT);
+ do_warn(
+_("%s btree block claimed (state %d), agno %d, bno %d, suspect %d\n"),
+ name, state, agno, agbno, suspect);
+ suspect++;
+ goto out;
+ }
+
+ set_bmap(agno, agbno, XR_E_FS_MAP);
+
+ numrecs = be16_to_cpu(block->bb_numrecs);
+
+ /*
+ * All realtime rmap btree blocks are freed for a fully empty
+ * filesystem, thus they are counted towards the free data
+ * block counter. The root lives in an inode and is thus not
+ * counted.
+ */
+ (*tot)++;
+
+ if (level == 0) {
+ if (numrecs > mp->m_rtrmap_mxr[0]) {
+ numrecs = mp->m_rtrmap_mxr[0];
+ hdr_errors++;
+ }
+ if (isroot == 0 && numrecs < mp->m_rtrmap_mnr[0]) {
+ numrecs = mp->m_rtrmap_mnr[0];
+ hdr_errors++;
+ }
+
+ if (hdr_errors) {
+ do_warn(
+_("bad btree nrecs (%u, min=%u, max=%u) in bt%s block %u/%u\n"),
+ be16_to_cpu(block->bb_numrecs),
+ mp->m_rtrmap_mnr[0], mp->m_rtrmap_mxr[0],
+ name, agno, agbno);
+ suspect++;
+ }
+
+ rp = XFS_RTRMAP_REC_ADDR(block, 1);
+ snprintf(rootname, 256, "%s btree block %u/%u", name, agno, agbno);
+ error = process_rtrmap_reclist(mp, rp, numrecs,
+ &rmap_priv->last_rec, &rmap_priv->high_key,
+ rootname);
+ if (error)
+ suspect++;
+ goto out;
+ }
+
+ /*
+ * interior record
+ */
+ pp = XFS_RTRMAP_PTR_ADDR(block, 1, mp->m_rtrmap_mxr[1]);
+
+ if (numrecs > mp->m_rtrmap_mxr[1]) {
+ numrecs = mp->m_rtrmap_mxr[1];
+ hdr_errors++;
+ }
+ if (isroot == 0 && numrecs < mp->m_rtrmap_mnr[1]) {
+ numrecs = mp->m_rtrmap_mnr[1];
+ hdr_errors++;
+ }
+
+ /*
+ * don't pass bogus tree flag down further if this block
+ * looked ok. bail out if two levels in a row look bad.
+ */
+ if (hdr_errors) {
+ do_warn(
+_("bad btree nrecs (%u, min=%u, max=%u) in bt%s block %u/%u\n"),
+ be16_to_cpu(block->bb_numrecs),
+ mp->m_rtrmap_mnr[1], mp->m_rtrmap_mxr[1],
+ name, agno, agbno);
+ if (suspect)
+ goto out;
+ suspect++;
+ } else if (suspect) {
+ suspect = 0;
+ }
+
+ /* check the node's high keys */
+ for (i = 0; !isroot && i < numrecs; i++) {
+ kp = XFS_RTRMAP_HIGH_KEY_ADDR(block, i + 1);
+
+ key.rm_flags = 0;
+ key.rm_startblock = be64_to_cpu(kp->rm_startblock);
+ key.rm_owner = be64_to_cpu(kp->rm_owner);
+ if (libxfs_rmap_irec_offset_unpack(be64_to_cpu(kp->rm_offset),
+ &key)) {
+ /* Look for impossible flags. */
+ do_warn(
+_("invalid flags in key %u of %s btree block %u/%u\n"),
+ i, name, agno, agbno);
+ suspect++;
+ continue;
+ }
+ if (rmap_diffkeys(&key, &rmap_priv->high_key) > 0) {
+ do_warn(
+_("key %d greater than high key of block (%u/%u) in %s tree\n"),
+ i, agno, agbno, name);
+ suspect++;
+ }
+ }
+
+ /* check for in-order keys */
+ for (i = 0; i < numrecs; i++) {
+ kp = XFS_RTRMAP_KEY_ADDR(block, i + 1);
+
+ key.rm_flags = 0;
+ key.rm_startblock = be64_to_cpu(kp->rm_startblock);
+ key.rm_owner = be64_to_cpu(kp->rm_owner);
+ if (libxfs_rmap_irec_offset_unpack(be64_to_cpu(kp->rm_offset),
+ &key)) {
+ /* Look for impossible flags. */
+ do_warn(
+_("invalid flags in key %u of %s btree block %u/%u\n"),
+ i, name, agno, agbno);
+ suspect++;
+ continue;
+ }
+ if (i == 0) {
+ oldkey = key;
+ continue;
+ }
+ if (rmap_diffkeys(&oldkey, &key) > 0) {
+ do_warn(
+_("out of order key %u in %s btree block (%u/%u)\n"),
+ i, name, agno, agbno);
+ suspect++;
+ }
+ oldkey = key;
+ }
+
+ for (i = 0; i < numrecs; i++) {
+ xfs_fsblock_t pbno = be64_to_cpu(pp[i]);
+
+ /*
+ * XXX - put sibling detection right here.
+ * we know our sibling chain is good. So as we go,
+ * we check the entry before and after each entry.
+ * If either of the entries references a different block,
+ * check the sibling pointer. If there's a sibling
+ * pointer mismatch, try and extract as much data
+ * as possible.
+ */
+ kp = XFS_RTRMAP_HIGH_KEY_ADDR(block, i + 1);
+ rmap_priv->high_key.rm_flags = 0;
+ rmap_priv->high_key.rm_startblock =
+ be64_to_cpu(kp->rm_startblock);
+ rmap_priv->high_key.rm_owner =
+ be64_to_cpu(kp->rm_owner);
+ if (libxfs_rmap_irec_offset_unpack(be64_to_cpu(kp->rm_offset),
+ &rmap_priv->high_key)) {
+ /* Look for impossible flags. */
+ do_warn(
+_("invalid flags in high key %u of %s btree block %u/%u\n"),
+ i, name, agno, agbno);
+ suspect++;
+ continue;
+ }
+
+ if (!verify_dfsbno(mp, pbno)) {
+ do_warn(
+_("bad %s btree ptr 0x%llx in ino %" PRIu64 "\n"),
+ name, (unsigned long long)pbno, ino);
+ return 1;
+ }
+
+ error = scan_lbtree(pbno, level, scan_rtrmapbt,
+ type, whichfork, ino, tot, nex, blkmapp,
+ bm_cursor, 0, check_dups, magic,
+ rmap_priv,
+ &xfs_rtrmapbt_buf_ops);
+ if (error) {
+ suspect++;
+ goto out;
+ }
+ }
+
+out:
+ if (hdr_errors || suspect) {
+ rmap_avoid_check();
+ return 1;
+ }
+ return 0;
+}
+
struct refc_priv {
struct xfs_refcount_irec last_rec;
xfs_agblock_t nr_blocks;
diff --git a/repair/scan.h b/repair/scan.h
index 854897c..f51f950 100644
--- a/repair/scan.h
+++ b/repair/scan.h
@@ -73,4 +73,37 @@ scan_ags(
struct xfs_mount *mp,
int scan_threads);
+struct rmap_priv {
+ struct aghdr_cnts *agcnts;
+ struct xfs_rmap_irec high_key;
+ struct xfs_rmap_irec last_rec;
+ xfs_agblock_t nr_blocks;
+};
+
+int
+process_rtrmap_reclist(
+ struct xfs_mount *mp,
+ struct xfs_rtrmap_rec *rp,
+ int numrecs,
+ struct xfs_rmap_irec *last_rec,
+ struct xfs_rmap_irec *high_key,
+ const char *name);
+
+int scan_rtrmapbt(
+ struct xfs_btree_block *block,
+ int level,
+ int type,
+ int whichfork,
+ xfs_fsblock_t bno,
+ xfs_ino_t ino,
+ xfs_rfsblock_t *tot,
+ __uint64_t *nex,
+ struct blkmap **blkmapp,
+ bmap_cursor_t *bm_cursor,
+ int isroot,
+ int check_dups,
+ int *dirty,
+ __uint64_t magic,
+ void *priv);
+
#endif /* _XR_SCAN_H */
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