From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Scrub the fields within an inode.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
fs/xfs/Makefile | 1
fs/xfs/libxfs/xfs_fs.h | 3
fs/xfs/scrub/common.c | 65 +++++++++
fs/xfs/scrub/common.h | 5 +
fs/xfs/scrub/inode.c | 353 ++++++++++++++++++++++++++++++++++++++++++++++++
fs/xfs/scrub/scrub.c | 17 ++
fs/xfs/scrub/scrub.h | 2
7 files changed, 443 insertions(+), 3 deletions(-)
create mode 100644 fs/xfs/scrub/inode.c
diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index a7c5752..28e14b7 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -151,6 +151,7 @@ xfs-y += $(addprefix scrub/, \
btree.o \
common.o \
ialloc.o \
+ inode.o \
refcount.o \
rmap.o \
scrub.o \
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index b3f992c..f8463e0 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -494,9 +494,10 @@ struct xfs_scrub_metadata {
#define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */
#define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */
#define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */
+#define XFS_SCRUB_TYPE_INODE 11 /* inode record */
/* Number of scrub subcommands. */
-#define XFS_SCRUB_TYPE_NR 11
+#define XFS_SCRUB_TYPE_NR 12
/* i: Repair this metadata. */
#define XFS_SCRUB_IFLAG_REPAIR (1 << 0)
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index 4f8d103..415dec6 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -30,6 +30,8 @@
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_inode.h"
+#include "xfs_icache.h"
+#include "xfs_itable.h"
#include "xfs_alloc.h"
#include "xfs_alloc_btree.h"
#include "xfs_bmap.h"
@@ -40,6 +42,8 @@
#include "xfs_refcount_btree.h"
#include "xfs_rmap.h"
#include "xfs_rmap_btree.h"
+#include "xfs_log.h"
+#include "xfs_trans_priv.h"
#include "scrub/xfs_scrub.h"
#include "scrub/scrub.h"
#include "scrub/common.h"
@@ -559,3 +563,64 @@ xfs_scrub_setup_ag_btree(
return xfs_scrub_ag_init(sc, sc->sm->sm_agno, &sc->sa);
}
+
+/*
+ * Given an inode and the scrub control structure, grab either the
+ * inode referenced in the control structure or the inode passed in.
+ * The inode is not locked.
+ */
+int
+xfs_scrub_get_inode(
+ struct xfs_scrub_context *sc,
+ struct xfs_inode *ip_in)
+{
+ struct xfs_mount *mp = sc->mp;
+ struct xfs_inode *ips = NULL;
+ int error;
+
+ if (sc->sm->sm_agno || (sc->sm->sm_gen && !sc->sm->sm_ino))
+ return -EINVAL;
+
+ /* We want to scan the inode we already had opened. */
+ if (sc->sm->sm_ino == 0 || sc->sm->sm_ino == ip_in->i_ino) {
+ sc->ip = ip_in;
+ return 0;
+ }
+
+ /* Look up the inode, see if the generation number matches. */
+ if (xfs_internal_inum(mp, sc->sm->sm_ino))
+ return -ENOENT;
+ error = xfs_iget(mp, NULL, sc->sm->sm_ino, XFS_IGET_UNTRUSTED,
+ 0, &ips);
+ if (error == -ENOENT || error == -EINVAL) {
+ /* inode doesn't exist... */
+ return -ENOENT;
+ } else if (error) {
+ trace_xfs_scrub_op_error(sc,
+ XFS_INO_TO_AGNO(mp, sc->sm->sm_ino),
+ XFS_INO_TO_AGBNO(mp, sc->sm->sm_ino),
+ error, __return_address);
+ return error;
+ }
+ if (VFS_I(ips)->i_generation != sc->sm->sm_gen) {
+ iput(VFS_I(ips));
+ return -ENOENT;
+ }
+
+ sc->ip = ips;
+ return 0;
+}
+
+/* Push everything out of the log onto disk. */
+int
+xfs_scrub_checkpoint_log(
+ struct xfs_mount *mp)
+{
+ int error;
+
+ error = _xfs_log_force(mp, XFS_LOG_SYNC, NULL);
+ if (error)
+ return error;
+ xfs_ail_push_all_sync(mp->m_ail);
+ return 0;
+}
diff --git a/fs/xfs/scrub/common.h b/fs/xfs/scrub/common.h
index 6325f03..c8143e8 100644
--- a/fs/xfs/scrub/common.h
+++ b/fs/xfs/scrub/common.h
@@ -74,6 +74,8 @@ void xfs_scrub_fblock_set_warning(struct xfs_scrub_context *sc, int whichfork,
void xfs_scrub_set_incomplete(struct xfs_scrub_context *sc);
+int xfs_scrub_checkpoint_log(struct xfs_mount *mp);
+
/* Setup functions */
int xfs_scrub_setup_fs(struct xfs_scrub_context *sc, struct xfs_inode *ip);
int xfs_scrub_setup_ag_header(struct xfs_scrub_context *sc,
@@ -86,6 +88,8 @@ int xfs_scrub_setup_ag_rmapbt(struct xfs_scrub_context *sc,
struct xfs_inode *ip);
int xfs_scrub_setup_ag_refcountbt(struct xfs_scrub_context *sc,
struct xfs_inode *ip);
+int xfs_scrub_setup_inode(struct xfs_scrub_context *sc,
+ struct xfs_inode *ip);
void xfs_scrub_ag_free(struct xfs_scrub_context *sc, struct xfs_scrub_ag *sa);
@@ -106,5 +110,6 @@ int xfs_scrub_walk_agfl(struct xfs_scrub_context *sc,
int xfs_scrub_setup_ag_btree(struct xfs_scrub_context *sc,
struct xfs_inode *ip, bool force_log);
+int xfs_scrub_get_inode(struct xfs_scrub_context *sc, struct xfs_inode *ip_in);
#endif /* __XFS_SCRUB_COMMON_H__ */
diff --git a/fs/xfs/scrub/inode.c b/fs/xfs/scrub/inode.c
new file mode 100644
index 0000000..88dd3fc
--- /dev/null
+++ b/fs/xfs/scrub/inode.c
@@ -0,0 +1,353 @@
+/*
+ * Copyright (C) 2017 Oracle. All Rights Reserved.
+ *
+ * Author: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#include "xfs.h"
+#include "xfs_fs.h"
+#include "xfs_shared.h"
+#include "xfs_format.h"
+#include "xfs_trans_resv.h"
+#include "xfs_mount.h"
+#include "xfs_defer.h"
+#include "xfs_btree.h"
+#include "xfs_bit.h"
+#include "xfs_log_format.h"
+#include "xfs_trans.h"
+#include "xfs_sb.h"
+#include "xfs_inode.h"
+#include "xfs_icache.h"
+#include "xfs_inode_buf.h"
+#include "xfs_inode_fork.h"
+#include "xfs_ialloc.h"
+#include "xfs_reflink.h"
+#include "scrub/xfs_scrub.h"
+#include "scrub/scrub.h"
+#include "scrub/common.h"
+#include "scrub/trace.h"
+
+/* Set us up with an inode. */
+int
+xfs_scrub_setup_inode(
+ struct xfs_scrub_context *sc,
+ struct xfs_inode *ip)
+{
+ struct xfs_mount *mp = sc->mp;
+ int error;
+
+ /*
+ * Try to get the inode. If the verifiers fail, we try again
+ * in raw mode.
+ */
+ error = xfs_scrub_get_inode(sc, ip);
+ switch (error) {
+ case 0:
+ break;
+ case -EFSCORRUPTED:
+ case -EFSBADCRC:
+ return xfs_scrub_checkpoint_log(mp);
+ default:
+ return error;
+ }
+
+ /* Got the inode, lock it and we're ready to go. */
+ sc->ilock_flags = XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL;
+ xfs_ilock(sc->ip, sc->ilock_flags);
+ error = xfs_scrub_trans_alloc(sc->sm, mp, &sc->tp);
+ if (error)
+ goto out_unlock;
+ sc->ilock_flags |= XFS_ILOCK_EXCL;
+ xfs_ilock(sc->ip, XFS_ILOCK_EXCL);
+
+ return error;
+out_unlock:
+ xfs_iunlock(sc->ip, sc->ilock_flags);
+ if (sc->ip != ip)
+ iput(VFS_I(sc->ip));
+ sc->ip = NULL;
+ return error;
+}
+
+/* Inode core */
+
+/* Scrub an inode. */
+int
+xfs_scrub_inode(
+ struct xfs_scrub_context *sc)
+{
+ struct xfs_imap imap;
+ struct xfs_dinode di;
+ struct xfs_mount *mp = sc->mp;
+ struct xfs_buf *bp = NULL;
+ struct xfs_dinode *dip;
+ xfs_ino_t ino;
+ size_t fork_recs;
+ unsigned long long isize;
+ uint64_t flags2;
+ uint32_t nextents;
+ uint32_t extsize;
+ uint32_t cowextsize;
+ uint16_t flags;
+ uint16_t mode;
+ bool has_shared;
+ int error = 0;
+
+ /* Did we get the in-core inode, or are we doing this manually? */
+ if (sc->ip) {
+ ino = sc->ip->i_ino;
+ xfs_inode_to_disk(sc->ip, &di, 0);
+ dip = &di;
+ } else {
+ /* Map & read inode. */
+ ino = sc->sm->sm_ino;
+ error = xfs_imap(mp, sc->tp, ino, &imap, XFS_IGET_UNTRUSTED);
+ if (error == -EINVAL) {
+ /*
+ * Inode could have gotten deleted out from under us;
+ * just forget about it.
+ */
+ error = -ENOENT;
+ goto out;
+ }
+ if (!xfs_scrub_op_ok(sc, XFS_INO_TO_AGNO(mp, ino),
+ XFS_INO_TO_AGBNO(mp, ino), &error))
+ goto out;
+
+ error = xfs_trans_read_buf(mp, sc->tp, mp->m_ddev_targp,
+ imap.im_blkno, imap.im_len, XBF_UNMAPPED, &bp,
+ NULL);
+ if (!xfs_scrub_op_ok(sc, XFS_INO_TO_AGNO(mp, ino),
+ XFS_INO_TO_AGBNO(mp, ino), &error))
+ goto out;
+
+ /* Is this really an inode? */
+ bp->b_ops = &xfs_inode_buf_ops;
+ dip = xfs_buf_offset(bp, imap.im_boffset);
+ if (!xfs_dinode_verify(mp, ino, dip) ||
+ !xfs_dinode_good_version(mp, dip->di_version)) {
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ goto out;
+ }
+
+ /* ...and is it the one we asked for? */
+ if (be32_to_cpu(dip->di_gen) != sc->sm->sm_gen) {
+ error = -ENOENT;
+ goto out;
+ }
+ }
+
+ flags = be16_to_cpu(dip->di_flags);
+ if (dip->di_version >= 3)
+ flags2 = be64_to_cpu(dip->di_flags2);
+ else
+ flags2 = 0;
+
+ /* di_mode */
+ mode = be16_to_cpu(dip->di_mode);
+ if (mode & ~(S_IALLUGO | S_IFMT))
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+
+ /* v1/v2 fields */
+ switch (dip->di_version) {
+ case 1:
+ if (dip->di_nlink != 0)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+
+ if (dip->di_mode == 0 && sc->ip)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+
+ if (dip->di_projid_lo != 0 || dip->di_projid_hi != 0)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ case 2:
+ case 3:
+ if (dip->di_onlink != 0)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+
+ if (dip->di_mode == 0 && sc->ip)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+
+ if (dip->di_projid_hi != 0 &&
+ !xfs_sb_version_hasprojid32bit(&mp->m_sb))
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ default:
+ ASSERT(0);
+ break;
+ }
+
+ /*
+ * di_uid/di_gid -- -1 isn't invalid, but there's no way that
+ * userspace could have created that.
+ */
+ if (dip->di_uid == cpu_to_be32(-1U) ||
+ dip->di_gid == cpu_to_be32(-1U))
+ xfs_scrub_ino_set_warning(sc, bp);
+
+ /* di_format */
+ switch (dip->di_format) {
+ case XFS_DINODE_FMT_DEV:
+ if (!S_ISCHR(mode) && !S_ISBLK(mode) &&
+ !S_ISFIFO(mode) && !S_ISSOCK(mode))
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ case XFS_DINODE_FMT_LOCAL:
+ if (!S_ISDIR(mode) && !S_ISLNK(mode))
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ case XFS_DINODE_FMT_EXTENTS:
+ if (!S_ISREG(mode) && !S_ISDIR(mode) && !S_ISLNK(mode))
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ case XFS_DINODE_FMT_BTREE:
+ if (!S_ISREG(mode) && !S_ISDIR(mode))
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ case XFS_DINODE_FMT_UUID:
+ default:
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ }
+
+ /* di_size */
+ isize = be64_to_cpu(dip->di_size);
+ if (isize & (1ULL << 63))
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ if (!S_ISDIR(mode) && !S_ISREG(mode) && !S_ISLNK(mode) && isize != 0)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+
+ /* di_nblocks */
+ if (flags2 & XFS_DIFLAG2_REFLINK) {
+ ; /* nblocks can exceed dblocks */
+ } else if (flags & XFS_DIFLAG_REALTIME) {
+ if (be64_to_cpu(dip->di_nblocks) >=
+ mp->m_sb.sb_dblocks + mp->m_sb.sb_rblocks)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ } else {
+ if (be64_to_cpu(dip->di_nblocks) >= mp->m_sb.sb_dblocks)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ }
+
+ /* di_extsize */
+ extsize = be32_to_cpu(dip->di_extsize);
+ if (flags & (XFS_DIFLAG_EXTSIZE | XFS_DIFLAG_EXTSZINHERIT)) {
+ if (extsize <= 0 || extsize > MAXEXTLEN)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+
+ if (!(flags & XFS_DIFLAG_REALTIME) &&
+ extsize > mp->m_sb.sb_agblocks / 2)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ } else {
+ if (extsize != 0)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ }
+
+ /* di_flags */
+ if ((flags & XFS_DIFLAG_IMMUTABLE) && (flags & XFS_DIFLAG_APPEND))
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ if ((flags & XFS_DIFLAG_FILESTREAM) && (flags & XFS_DIFLAG_REALTIME))
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+
+ /* di_nextents */
+ nextents = be32_to_cpu(dip->di_nextents);
+ fork_recs = XFS_DFORK_DSIZE(dip, mp) / sizeof(struct xfs_bmbt_rec);
+ switch (dip->di_format) {
+ case XFS_DINODE_FMT_EXTENTS:
+ if (nextents > fork_recs)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ case XFS_DINODE_FMT_BTREE:
+ if (nextents <= fork_recs)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ case XFS_DINODE_FMT_LOCAL:
+ case XFS_DINODE_FMT_DEV:
+ case XFS_DINODE_FMT_UUID:
+ default:
+ if (nextents != 0)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ }
+
+ /* di_anextents */
+ nextents = be16_to_cpu(dip->di_anextents);
+ fork_recs = XFS_DFORK_ASIZE(dip, mp) / sizeof(struct xfs_bmbt_rec);
+ switch (dip->di_aformat) {
+ case XFS_DINODE_FMT_EXTENTS:
+ if (nextents > fork_recs)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ case XFS_DINODE_FMT_BTREE:
+ if (nextents <= fork_recs)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ case XFS_DINODE_FMT_LOCAL:
+ case XFS_DINODE_FMT_DEV:
+ case XFS_DINODE_FMT_UUID:
+ default:
+ if (nextents != 0)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ break;
+ }
+
+ /* di_forkoff */
+ if (XFS_DFORK_APTR(dip) >= (char *)dip + mp->m_sb.sb_inodesize)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ if (dip->di_anextents != 0 && dip->di_forkoff == 0)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+
+ /* di_aformat */
+ if (dip->di_aformat != XFS_DINODE_FMT_LOCAL &&
+ dip->di_aformat != XFS_DINODE_FMT_EXTENTS &&
+ dip->di_aformat != XFS_DINODE_FMT_BTREE)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+
+ /* di_cowextsize */
+ if (flags2 & XFS_DIFLAG2_COWEXTSIZE) {
+ cowextsize = be32_to_cpu(dip->di_cowextsize);
+
+ if (!xfs_sb_version_hasreflink(&mp->m_sb))
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ if (cowextsize <= 0 || cowextsize > MAXEXTLEN)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ if (cowextsize > mp->m_sb.sb_agblocks / 2)
+ xfs_scrub_ino_set_corrupt(sc, ino, bp);
+ }
+
+ /* Now let's do the things that require a live inode. */
+ if (!sc->ip)
+ goto out;
+
+ /*
+ * Does this inode have the reflink flag set but no shared extents?
+ * Set the preening flag if this is the case.
+ */
+ if (xfs_is_reflink_inode(sc->ip)) {
+ error = xfs_reflink_inode_has_shared_extents(sc->tp, sc->ip,
+ &has_shared);
+ if (!xfs_scrub_op_ok(sc, XFS_INO_TO_AGNO(mp, ino),
+ XFS_INO_TO_AGBNO(mp, ino), &error))
+ goto out;
+ if (!has_shared)
+ xfs_scrub_ino_set_preen(sc, bp);
+ }
+
+out:
+ if (bp)
+ xfs_trans_brelse(sc->tp, bp);
+ return error;
+}
diff --git a/fs/xfs/scrub/scrub.c b/fs/xfs/scrub/scrub.c
index 7b44364..f014ef0 100644
--- a/fs/xfs/scrub/scrub.c
+++ b/fs/xfs/scrub/scrub.c
@@ -30,6 +30,8 @@
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_inode.h"
+#include "xfs_icache.h"
+#include "xfs_itable.h"
#include "xfs_alloc.h"
#include "xfs_alloc_btree.h"
#include "xfs_bmap.h"
@@ -136,6 +138,7 @@ xfs_scrub_probe(
STATIC int
xfs_scrub_teardown(
struct xfs_scrub_context *sc,
+ struct xfs_inode *ip_in,
int error)
{
xfs_scrub_ag_free(sc, &sc->sa);
@@ -143,6 +146,12 @@ xfs_scrub_teardown(
xfs_trans_cancel(sc->tp);
sc->tp = NULL;
}
+ if (sc->ip) {
+ xfs_iunlock(sc->ip, sc->ilock_flags);
+ if (sc->ip != ip_in)
+ iput(VFS_I(sc->ip));
+ sc->ip = NULL;
+ }
return error;
}
@@ -196,6 +205,10 @@ static const struct xfs_scrub_meta_ops meta_scrub_ops[] = {
.scrub = xfs_scrub_refcountbt,
.has = xfs_sb_version_hasreflink,
},
+ { /* inode record */
+ .setup = xfs_scrub_setup_inode,
+ .scrub = xfs_scrub_inode,
+ },
};
/* This isn't a stable feature, warn once per day. */
@@ -281,7 +294,7 @@ xfs_scrub_metadata(
* Tear down everything we hold, then set up again with
* preparation for worst-case scenarios.
*/
- error = xfs_scrub_teardown(&sc, 0);
+ error = xfs_scrub_teardown(&sc, ip, 0);
if (error)
goto out;
try_harder = true;
@@ -294,7 +307,7 @@ xfs_scrub_metadata(
xfs_alert_ratelimited(mp, "Corruption detected during scrub.");
out_teardown:
- error = xfs_scrub_teardown(&sc, error);
+ error = xfs_scrub_teardown(&sc, ip, error);
out:
trace_xfs_scrub_done(ip, sm, error);
return error;
diff --git a/fs/xfs/scrub/scrub.h b/fs/xfs/scrub/scrub.h
index 1c80bf5..ec635d4 100644
--- a/fs/xfs/scrub/scrub.h
+++ b/fs/xfs/scrub/scrub.h
@@ -59,6 +59,7 @@ struct xfs_scrub_context {
const struct xfs_scrub_meta_ops *ops;
struct xfs_trans *tp;
struct xfs_inode *ip;
+ uint ilock_flags;
bool try_harder;
/* State tracking for single-AG operations. */
@@ -77,5 +78,6 @@ int xfs_scrub_inobt(struct xfs_scrub_context *sc);
int xfs_scrub_finobt(struct xfs_scrub_context *sc);
int xfs_scrub_rmapbt(struct xfs_scrub_context *sc);
int xfs_scrub_refcountbt(struct xfs_scrub_context *sc);
+int xfs_scrub_inode(struct xfs_scrub_context *sc);
#endif /* __XFS_SCRUB_SCRUB_H__ */
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