xfs/scrub/inode_repair.c

170 	struct xfs_dinode	*dip = xfs_buf_offset(bp, ioffset);
178 	agino = be32_to_cpu(dip->di_next_unlinked);
183 	if (dip->di_magic == cpu_to_be16(XFS_DINODE_MAGIC) &&
184 	    xfs_dinode_good_version(mp, dip->di_version))
187 	if (xfs_verify_cksum((char *)dip, mp->m_sb.sb_inodesize,
195 		dip->di_magic = cpu_to_be16(XFS_DINODE_MAGIC);
196 		dip->di_version = 3;
199 		dip->di_next_unlinked = cpu_to_be32(NULLAGINO);
200 	xfs_dinode_calc_crc(mp, dip);
225 	struct xfs_dinode	*dip)
227 	trace_xrep_dinode_header(sc, dip);
229 	dip->di_magic = cpu_to_be16(XFS_DINODE_MAGIC);
230 	if (!xfs_dinode_good_version(sc->mp, dip->di_version))
231 		dip->di_version = 3;
232 	dip->di_ino = cpu_to_be64(sc->sm->sm_ino);
233 	uuid_copy(&dip->di_uuid, &sc->mp->m_sb.sb_meta_uuid);
234 	dip->di_gen = cpu_to_be32(sc->sm->sm_gen);
430 	struct xfs_dinode	*dip)
433 	uint16_t		mode = be16_to_cpu(dip->di_mode);
436 	trace_xrep_dinode_mode(sc, dip);
459 	dip->di_mode = cpu_to_be16(mode);
460 	dip->di_uid = 0;
461 	dip->di_gid = 0;
470 	struct xfs_dinode	*dip,
474 	uint64_t		flags2 = be64_to_cpu(dip->di_flags2);
475 	uint16_t		flags = be16_to_cpu(dip->di_flags);
476 	uint16_t		mode = be16_to_cpu(dip->di_mode);
478 	trace_xrep_dinode_flags(sc, dip);
501 		dip->di_nrext64_pad = 0;
502 	else if (dip->di_version >= 3)
503 		dip->di_v3_pad = 0;
504 	dip->di_flags = cpu_to_be16(flags);
505 	dip->di_flags2 = cpu_to_be64(flags2);
515 	struct xfs_dinode	*dip)
520 	trace_xrep_dinode_zap_symlink(sc, dip);
522 	dip->di_format = XFS_DINODE_FMT_LOCAL;
523 	dip->di_size = cpu_to_be64(1);
524 	p = XFS_DFORK_PTR(dip, XFS_DATA_FORK);
538 	struct xfs_dinode	*dip)
545 	trace_xrep_dinode_zap_dir(sc, dip);
547 	dip->di_format = XFS_DINODE_FMT_LOCAL;
549 	sfp = XFS_DFORK_PTR(dip, XFS_DATA_FORK);
553 	dip->di_size = cpu_to_be64(xfs_dir2_sf_hdr_size(i8count));
561 	struct xfs_dinode	*dip)
564 	uint64_t		size = be64_to_cpu(dip->di_size);
565 	uint16_t		mode = be16_to_cpu(dip->di_mode);
567 	trace_xrep_dinode_size(sc, dip);
575 		dip->di_size = 0;
579 		dip->di_size = cpu_to_be64(size & ~(1ULL << 63));
589 			dip->di_size = cpu_to_be64(XFS_SYMLINK_MAXLEN);
591 			xrep_dinode_zap_symlink(ri, dip);
601 			dip->di_size = cpu_to_be64(XFS_DIR2_SPACE_SIZE);
603 			xrep_dinode_zap_dir(ri, dip);
612 	struct xfs_dinode	*dip)
615 	uint64_t		flags2 = be64_to_cpu(dip->di_flags2);
616 	uint16_t		flags = be16_to_cpu(dip->di_flags);
617 	uint16_t		mode = be16_to_cpu(dip->di_mode);
621 	trace_xrep_dinode_extsize_hints(sc, dip);
623 	fa = xfs_inode_validate_extsize(mp, be32_to_cpu(dip->di_extsize),
626 		dip->di_extsize = 0;
627 		dip->di_flags &= ~cpu_to_be16(XFS_DIFLAG_EXTSIZE |
631 	if (dip->di_version < 3)
634 	fa = xfs_inode_validate_cowextsize(mp, be32_to_cpu(dip->di_cowextsize),
637 		dip->di_cowextsize = 0;
638 		dip->di_flags2 &= ~cpu_to_be64(XFS_DIFLAG2_COWEXTSIZE);
729 	struct xfs_dinode	*dip,
739 	nex = xfs_dfork_nextents(dip, whichfork);
743 	dp = XFS_DFORK_PTR(dip, whichfork);
745 	isrt = dip->di_flags & cpu_to_be16(XFS_DIFLAG_REALTIME);
763 	struct xfs_dinode	*dip,
774 	nex = xfs_dfork_nextents(dip, whichfork);
781 	dfp = XFS_DFORK_PTR(dip, whichfork);
818 	struct xfs_dinode	*dip,
830 	data_size = be64_to_cpu(dip->di_size);
834 	fmt = XFS_DFORK_FORMAT(dip, XFS_DATA_FORK);
862 	dfork_size = XFS_DFORK_SIZE(dip, sc->mp, XFS_DATA_FORK);
863 	dfork_ptr = XFS_DFORK_PTR(dip, XFS_DATA_FORK);
882 		if (xrep_dinode_bad_extents_fork(sc, dip, dfork_size,
887 		if (xrep_dinode_bad_bmbt_fork(sc, dip, dfork_size,
900 	struct xfs_dinode	*dip,
903 	if (xfs_dinode_has_large_extent_counts(dip))
904 		dip->di_big_nextents = cpu_to_be64(nextents);
906 		dip->di_nextents = cpu_to_be32(nextents);
911 	struct xfs_dinode	*dip,
914 	if (xfs_dinode_has_large_extent_counts(dip))
915 		dip->di_big_anextents = cpu_to_be32(nextents);
917 		dip->di_anextents = cpu_to_be16(nextents);
924 	struct xfs_dinode	*dip,
929 	trace_xrep_dinode_zap_dfork(sc, dip);
933 	xrep_dinode_set_data_nextents(dip, 0);
943 		dip->di_format = XFS_DINODE_FMT_DEV;
944 		dip->di_size = 0;
953 		dip->di_format = XFS_DINODE_FMT_EXTENTS;
960 		xrep_dinode_zap_symlink(ri, dip);
963 		xrep_dinode_zap_dir(ri, dip);
975 	struct xfs_dinode		*dip)
981 	if (XFS_DFORK_BOFF(dip) == 0)
982 		return dip->di_aformat != XFS_DINODE_FMT_EXTENTS ||
983 		       xfs_dfork_attr_extents(dip) != 0;
985 	afork_size = XFS_DFORK_SIZE(dip, sc->mp, XFS_ATTR_FORK);
986 	afork_ptr = XFS_DFORK_PTR(dip, XFS_ATTR_FORK);
988 	switch (XFS_DFORK_FORMAT(dip, XFS_ATTR_FORK)) {
1002 		if (xrep_dinode_bad_extents_fork(sc, dip, afork_size,
1007 		if (xrep_dinode_bad_bmbt_fork(sc, dip, afork_size,
1025 	struct xfs_dinode	*dip,
1030 	trace_xrep_dinode_zap_afork(sc, dip);
1034 	dip->di_aformat = XFS_DINODE_FMT_EXTENTS;
1035 	xrep_dinode_set_attr_nextents(dip, 0);
1043 	if (dip->di_format != XFS_DINODE_FMT_BTREE)
1044 		dip->di_forkoff = 0;
1045 	dip->di_mode = cpu_to_be16(mode & ~0777);
1046 	dip->di_uid = 0;
1047 	dip->di_gid = 0;
1054 	struct xfs_dinode	*dip,
1064 	trace_xrep_dinode_ensure_forkoff(sc, dip);
1076 	switch (dip->di_aformat) {
1083 		afork_min = XFS_DFORK_SIZE(dip, sc->mp, XFS_ATTR_FORK);
1086 		attr_extents = xfs_dfork_attr_extents(dip);
1111 		bmdr = XFS_DFORK_PTR(dip, XFS_ATTR_FORK);
1121 	switch (dip->di_format) {
1134 		dfork_min = be64_to_cpu(dip->di_size);
1137 		data_extents = xfs_dfork_data_extents(dip);
1161 		bmdr = XFS_DFORK_PTR(dip, XFS_DATA_FORK);
1184 	if (dip->di_format == XFS_DINODE_FMT_EXTENTS &&
1185 	    xfs_dfork_data_extents(dip) == 0 &&
1187 	    bmdr_minsz > XFS_DFORK_DSIZE(dip, sc->mp)) {
1193 			xrep_dinode_zap_afork(ri, dip, mode);
1199 			before = XFS_DFORK_APTR(dip);
1200 			dip->di_forkoff = bmdr_minsz >> 3;
1201 			after = XFS_DFORK_APTR(dip);
1202 			memmove(after, before, XFS_DFORK_ASIZE(dip, sc->mp));
1210 	if (dip->di_aformat == XFS_DINODE_FMT_EXTENTS &&
1211 	    xfs_dfork_attr_extents(dip) == 0 &&
1213 	    bmdr_minsz > XFS_DFORK_ASIZE(dip, sc->mp)) {
1214 		if (dip->di_format == XFS_DINODE_FMT_BTREE) {
1225 			xrep_dinode_zap_afork(ri, dip, mode);
1232 			dip->di_forkoff = (lit_sz - bmdr_minsz) >> 3;
1245 	struct xfs_dinode	*dip)
1255 	trace_xrep_dinode_zap_forks(sc, dip);
1257 	mode = be16_to_cpu(dip->di_mode);
1259 	data_extents = xfs_dfork_data_extents(dip);
1260 	attr_extents = xfs_dfork_attr_extents(dip);
1261 	nblocks = be64_to_cpu(dip->di_nblocks);
1272 		zap_datafork = xrep_dinode_check_dfork(sc, dip, mode);
1274 		zap_attrfork = xrep_dinode_check_afork(sc, dip);
1278 		xrep_dinode_zap_afork(ri, dip, mode);
1280 		xrep_dinode_zap_dfork(ri, dip, mode);
1281 	xrep_dinode_ensure_forkoff(ri, dip, mode);
1287 	data_extents = xfs_dfork_data_extents(dip);
1288 	attr_extents = xfs_dfork_attr_extents(dip);
1290 		dip->di_nblocks = 0;
1300 	struct xfs_dinode	*dip;
1322 	dip = xfs_buf_offset(bp, ri->imap.im_boffset);
1323 	xrep_dinode_header(sc, dip);
1324 	iget_error = xrep_dinode_mode(ri, dip);
1327 	xrep_dinode_flags(sc, dip, ri->rt_extents > 0);
1328 	xrep_dinode_size(ri, dip);
1329 	xrep_dinode_extsize_hints(sc, dip);
1330 	xrep_dinode_zap_forks(ri, dip);
1334 	trace_xrep_dinode_fixed(sc, dip);
1335 	xfs_dinode_calc_crc(sc->mp, dip);