1 // SPDX-License-Identifier: GPL-2.0+
37 	 * in raw mode.  in xchk_setup_inode()
43 	case -EFSCORRUPTED:  in xchk_setup_inode()
44 	case -EFSBADCRC:  in xchk_setup_inode()
51 	sc->ilock_flags = XFS_IOLOCK_EXCL | XFS_MMAPLOCK_EXCL;  in xchk_setup_inode()
52 	xfs_ilock(sc->ip, sc->ilock_flags);  in xchk_setup_inode()
56 	sc->ilock_flags |= XFS_ILOCK_EXCL;  in xchk_setup_inode()
57 	xfs_ilock(sc->ip, XFS_ILOCK_EXCL);  in xchk_setup_inode()
72 	uint16_t		mode,  in xchk_inode_extsize()  argument
76 	uint32_t		value = be32_to_cpu(dip->di_extsize);  in xchk_inode_extsize()
78 	fa = xfs_inode_validate_extsize(sc->mp, value, mode, flags);  in xchk_inode_extsize()
88 	 * device.  Flag this as an administrative warning since we will clean  in xchk_inode_extsize()
93 	    value % sc->mp->m_sb.sb_rextsize > 0)  in xchk_inode_extsize()
108 	uint16_t		mode,  in xchk_inode_cowextsize()  argument
114 	fa = xfs_inode_validate_cowextsize(sc->mp,  in xchk_inode_cowextsize()
115 			be32_to_cpu(dip->di_cowextsize), mode, flags,  in xchk_inode_cowextsize()
127 	uint16_t		mode,  in xchk_inode_flags()  argument
130 	struct xfs_mount	*mp = sc->mp;  in xchk_inode_flags()
137 	if ((flags & XFS_DIFLAG_REALTIME) && !mp->m_rtdev_targp)  in xchk_inode_flags()
140 	/* new rt bitmap flag only valid for rbmino */  in xchk_inode_flags()
141 	if ((flags & XFS_DIFLAG_NEWRTBM) && ino != mp->m_sb.sb_rbmino)  in xchk_inode_flags()
144 	/* directory-only flags */  in xchk_inode_flags()
149 	    !S_ISDIR(mode))  in xchk_inode_flags()
152 	/* file-only flags */  in xchk_inode_flags()
154 	    !S_ISREG(mode))  in xchk_inode_flags()
172 	uint16_t		mode,  in xchk_inode_flags2()  argument
176 	struct xfs_mount	*mp = sc->mp;  in xchk_inode_flags2()
182 	/* reflink flag requires reflink feature */  in xchk_inode_flags2()
187 	/* cowextsize flag is checked w.r.t. mode separately */  in xchk_inode_flags2()
189 	/* file/dir-only flags */  in xchk_inode_flags2()
190 	if ((flags2 & XFS_DIFLAG2_DAX) && !(S_ISREG(mode) || S_ISDIR(mode)))  in xchk_inode_flags2()
193 	/* file-only flags */  in xchk_inode_flags2()
194 	if ((flags2 & XFS_DIFLAG2_REFLINK) && !S_ISREG(mode))  in xchk_inode_flags2()
231 	struct xfs_mount	*mp = sc->mp;  in xchk_dinode()
239 	uint16_t		mode;  in xchk_dinode()  local
241 	flags = be16_to_cpu(dip->di_flags);  in xchk_dinode()
242 	if (dip->di_version >= 3)  in xchk_dinode()
243 		flags2 = be64_to_cpu(dip->di_flags2);  in xchk_dinode()
248 	mode = be16_to_cpu(dip->di_mode);  in xchk_dinode()
249 	switch (mode & S_IFMT) {  in xchk_dinode()
257 		/* mode is recognized */  in xchk_dinode()
265 	switch (dip->di_version) {  in xchk_dinode()
276 		if (dip->di_onlink != 0)  in xchk_dinode()
279 		if (dip->di_mode == 0 && sc->ip)  in xchk_dinode()
282 		if (dip->di_projid_hi != 0 &&  in xchk_dinode()
286 		prid = be16_to_cpu(dip->di_projid_lo);  in xchk_dinode()
294 		prid |= (prid_t)be16_to_cpu(dip->di_projid_hi) << 16;  in xchk_dinode()
297 	 * di_uid/di_gid -- -1 isn't invalid, but there's no way that  in xchk_dinode()
300 	if (dip->di_uid == cpu_to_be32(-1U) ||  in xchk_dinode()
301 	    dip->di_gid == cpu_to_be32(-1U))  in xchk_dinode()
305 	 * project id of -1 isn't supposed to be valid, but the kernel didn't  in xchk_dinode()
308 	if (prid == -1U)  in xchk_dinode()
312 	switch (dip->di_format) {  in xchk_dinode()
314 		if (!S_ISCHR(mode) && !S_ISBLK(mode) &&  in xchk_dinode()
315 		    !S_ISFIFO(mode) && !S_ISSOCK(mode))  in xchk_dinode()
319 		if (!S_ISDIR(mode) && !S_ISLNK(mode))  in xchk_dinode()
323 		if (!S_ISREG(mode) && !S_ISDIR(mode) && !S_ISLNK(mode))  in xchk_dinode()
327 		if (!S_ISREG(mode) && !S_ISDIR(mode))  in xchk_dinode()
337 	xchk_dinode_nsec(sc, ino, dip, dip->di_atime);  in xchk_dinode()
338 	xchk_dinode_nsec(sc, ino, dip, dip->di_mtime);  in xchk_dinode()
339 	xchk_dinode_nsec(sc, ino, dip, dip->di_ctime);  in xchk_dinode()
343 	 * the VFS such as the upper bit being set and zero-length  in xchk_dinode()
346 	isize = be64_to_cpu(dip->di_size);  in xchk_dinode()
351 	if (!S_ISDIR(mode) && !S_ISREG(mode) && !S_ISLNK(mode) && isize != 0)  in xchk_dinode()
355 	if (S_ISDIR(mode) && (isize == 0 || isize >= XFS_DIR2_SPACE_SIZE))  in xchk_dinode()
359 	if (S_ISLNK(mode) && (isize == 0 || isize >= XFS_SYMLINK_MAXLEN))  in xchk_dinode()
366 	 * overly large offsets, flag the inode for admin review.  in xchk_dinode()
368 	if (isize >= mp->m_super->s_maxbytes)  in xchk_dinode()
379 		 * best we can do without cross-referencing with the  in xchk_dinode()
382 		if (be64_to_cpu(dip->di_nblocks) >=  in xchk_dinode()
383 		    mp->m_sb.sb_dblocks + mp->m_sb.sb_rblocks)  in xchk_dinode()
386 		if (be64_to_cpu(dip->di_nblocks) >= mp->m_sb.sb_dblocks)  in xchk_dinode()
390 	xchk_inode_flags(sc, dip, ino, mode, flags);  in xchk_dinode()
392 	xchk_inode_extsize(sc, dip, ino, mode, flags);  in xchk_dinode()
399 	switch (dip->di_format) {  in xchk_dinode()
415 	if (XFS_DFORK_APTR(dip) >= (char *)dip + mp->m_sb.sb_inodesize)  in xchk_dinode()
417 	if (naextents != 0 && dip->di_forkoff == 0)  in xchk_dinode()
419 	if (dip->di_forkoff == 0 && dip->di_aformat != XFS_DINODE_FMT_EXTENTS)  in xchk_dinode()
423 	if (dip->di_aformat != XFS_DINODE_FMT_LOCAL &&  in xchk_dinode()
424 	    dip->di_aformat != XFS_DINODE_FMT_EXTENTS &&  in xchk_dinode()
425 	    dip->di_aformat != XFS_DINODE_FMT_BTREE)  in xchk_dinode()
430 	switch (dip->di_aformat) {  in xchk_dinode()
444 	if (dip->di_version >= 3) {  in xchk_dinode()
445 		xchk_dinode_nsec(sc, ino, dip, dip->di_crtime);  in xchk_dinode()
446 		xchk_inode_flags2(sc, dip, ino, mode, flags, flags2);  in xchk_dinode()
447 		xchk_inode_cowextsize(sc, dip, ino, mode, flags,  in xchk_dinode()
467 	if (!sc->sa.fino_cur || xchk_skip_xref(sc->sm))  in xchk_inode_xref_finobt()
470 	agino = XFS_INO_TO_AGINO(sc->mp, ino);  in xchk_inode_xref_finobt()
476 	error = xfs_inobt_lookup(sc->sa.fino_cur, agino, XFS_LOOKUP_LE,  in xchk_inode_xref_finobt()
478 	if (!xchk_should_check_xref(sc, &error, &sc->sa.fino_cur) ||  in xchk_inode_xref_finobt()
482 	error = xfs_inobt_get_rec(sc->sa.fino_cur, &rec, &has_record);  in xchk_inode_xref_finobt()
483 	if (!xchk_should_check_xref(sc, &error, &sc->sa.fino_cur) ||  in xchk_inode_xref_finobt()
495 	if (rec.ir_free & XFS_INOBT_MASK(agino - rec.ir_startino))  in xchk_inode_xref_finobt()
496 		xchk_btree_xref_set_corrupt(sc, sc->sa.fino_cur, 0);  in xchk_inode_xref_finobt()
510 	if (xchk_skip_xref(sc->sm))  in xchk_inode_xref_bmap()
514 	error = xfs_bmap_count_blocks(sc->tp, sc->ip, XFS_DATA_FORK,  in xchk_inode_xref_bmap()
519 		xchk_ino_xref_set_corrupt(sc, sc->ip->i_ino);  in xchk_inode_xref_bmap()
521 	error = xfs_bmap_count_blocks(sc->tp, sc->ip, XFS_ATTR_FORK,  in xchk_inode_xref_bmap()
526 		xchk_ino_xref_set_corrupt(sc, sc->ip->i_ino);  in xchk_inode_xref_bmap()
529 	if (count + acount != be64_to_cpu(dip->di_nblocks))  in xchk_inode_xref_bmap()
530 		xchk_ino_xref_set_corrupt(sc, sc->ip->i_ino);  in xchk_inode_xref_bmap()
533 /* Cross-reference with the other btrees. */
544 	if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)  in xchk_inode_xref()
547 	agno = XFS_INO_TO_AGNO(sc->mp, ino);  in xchk_inode_xref()
548 	agbno = XFS_INO_TO_AGBNO(sc->mp, ino);  in xchk_inode_xref()
550 	error = xchk_ag_init_existing(sc, agno, &sc->sa);  in xchk_inode_xref()
561 	xchk_ag_free(sc, &sc->sa);  in xchk_inode_xref()
566  * either flag an error (shared extents w/ no flag) or a preen (flag set w/o
575 	struct xfs_mount	*mp = sc->mp;  in xchk_inode_check_reflink_iflag()
582 	error = xfs_reflink_inode_has_shared_extents(sc->tp, sc->ip,  in xchk_inode_check_reflink_iflag()
587 	if (xfs_is_reflink_inode(sc->ip) && !has_shared)  in xchk_inode_check_reflink_iflag()
589 	else if (!xfs_is_reflink_inode(sc->ip) && has_shared)  in xchk_inode_check_reflink_iflag()
602 	 * If sc->ip is NULL, that means that the setup function called  in xchk_inode()
604 	 * and a NULL inode, so flag the corruption error and return.  in xchk_inode()
606 	if (!sc->ip) {  in xchk_inode()
607 		xchk_ino_set_corrupt(sc, sc->sm->sm_ino);  in xchk_inode()
612 	xfs_inode_to_disk(sc->ip, &di, 0);  in xchk_inode()
613 	xchk_dinode(sc, &di, sc->ip->i_ino);  in xchk_inode()
614 	if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)  in xchk_inode()
619 	 * iflag.  We already checked the iflag against the file mode when  in xchk_inode()
622 	if (S_ISREG(VFS_I(sc->ip)->i_mode))  in xchk_inode()
623 		xchk_inode_check_reflink_iflag(sc, sc->ip->i_ino);  in xchk_inode()
625 	xchk_inode_xref(sc, sc->ip->i_ino, &di);  in xchk_inode()