xfs/scrub/common.c

72 	struct xfs_scrub	*sc,
86 				sc->ip ? sc->ip : XFS_I(file_inode(sc->file)),
87 				sc->sm, *error);
95 		trace_xchk_op_error(sc, agno, bno, *error, ret_ip);
101 		sc->sm->sm_flags |= errflag;
105 		trace_xchk_op_error(sc, agno, bno, *error, ret_ip);
113 	struct xfs_scrub	*sc,
118 	return __xchk_process_error(sc, agno, bno, error,
124 	struct xfs_scrub	*sc,
129 	return __xchk_process_error(sc, agno, bno, error,
136 	struct xfs_scrub	*sc,
149 		trace_xchk_deadlock_retry(sc->ip, sc->sm, *error);
157 		trace_xchk_file_op_error(sc, whichfork, offset, *error,
164 		sc->sm->sm_flags |= errflag;
168 		trace_xchk_file_op_error(sc, whichfork, offset, *error,
177 	struct xfs_scrub	*sc,
182 	return __xchk_fblock_process_error(sc, whichfork, offset, error,
188 	struct xfs_scrub	*sc,
193 	return __xchk_fblock_process_error(sc, whichfork, offset, error,
212 	struct xfs_scrub	*sc,
215 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_PREEN;
216 	trace_xchk_block_preen(sc, xfs_buf_daddr(bp), __return_address);
226 	struct xfs_scrub	*sc,
229 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_PREEN;
230 	trace_xchk_ino_preen(sc, ino, __return_address);
236 	struct xfs_scrub	*sc)
238 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
239 	trace_xchk_fs_error(sc, 0, __return_address);
245 	struct xfs_scrub	*sc,
248 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
249 	trace_xchk_block_error(sc, xfs_buf_daddr(bp), __return_address);
256 	struct xfs_scrub	*sc,
260 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
261 	trace_xchk_qcheck_error(sc, dqtype, id, __return_address);
268 	struct xfs_scrub	*sc,
271 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_XCORRUPT;
272 	trace_xchk_block_error(sc, xfs_buf_daddr(bp), __return_address);
282 	struct xfs_scrub	*sc,
285 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
286 	trace_xchk_ino_error(sc, ino, __return_address);
292 	struct xfs_scrub	*sc,
295 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_XCORRUPT;
296 	trace_xchk_ino_error(sc, ino, __return_address);
302 	struct xfs_scrub	*sc,
306 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
307 	trace_xchk_fblock_error(sc, whichfork, offset, __return_address);
313 	struct xfs_scrub	*sc,
317 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_XCORRUPT;
318 	trace_xchk_fblock_error(sc, whichfork, offset, __return_address);
327 	struct xfs_scrub	*sc,
330 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_WARNING;
331 	trace_xchk_ino_warning(sc, ino, __return_address);
337 	struct xfs_scrub	*sc,
341 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_WARNING;
342 	trace_xchk_fblock_warning(sc, whichfork, offset, __return_address);
348 	struct xfs_scrub	*sc)
350 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_INCOMPLETE;
351 	trace_xchk_incomplete(sc, __return_address);
392 	struct xfs_scrub		*sc,
418 	struct xfs_scrub	*sc,
422 	if (sc->sm->sm_type != XFS_SCRUB_TYPE_AGF &&
423 	    sc->sm->sm_type != XFS_SCRUB_TYPE_AGFL &&
424 	    sc->sm->sm_type != XFS_SCRUB_TYPE_AGI)
431 	if (sc->sm->sm_type == type)
445 	struct xfs_scrub	*sc,
450 	error = xfs_ialloc_read_agi(sa->pag, sc->tp, 0, &sa->agi_bp);
451 	if (error && want_ag_read_header_failure(sc, XFS_SCRUB_TYPE_AGI))
454 	error = xfs_alloc_read_agf(sa->pag, sc->tp, 0, &sa->agf_bp);
455 	if (error && want_ag_read_header_failure(sc, XFS_SCRUB_TYPE_AGF))
467 	struct xfs_scrub	*sc)
469 	struct xchk_ag		*sa = &sc->sa;
477 		if (xchk_should_terminate(sc, &error))
480 		error = xchk_perag_read_headers(sc, sa);
489 		if (sc->ip)
519 			xfs_trans_brelse(sc->tp, sa->agf_bp);
524 			xfs_trans_brelse(sc->tp, sa->agi_bp);
528 		if (!(sc->flags & XCHK_FSGATES_DRAIN))
545 	struct xfs_scrub	*sc,
549 	struct xfs_mount	*mp = sc->mp;
556 	return xchk_perag_drain_and_lock(sc);
588 	struct xfs_scrub	*sc,
591 	struct xfs_mount	*mp = sc->mp;
595 		sa->bno_cur = xfs_bnobt_init_cursor(mp, sc->tp, sa->agf_bp,
597 		xchk_ag_btree_del_cursor_if_sick(sc, &sa->bno_cur,
601 		sa->cnt_cur = xfs_cntbt_init_cursor(mp, sc->tp, sa->agf_bp,
603 		xchk_ag_btree_del_cursor_if_sick(sc, &sa->cnt_cur,
608 			sa->rmap_cur = xfs_rmapbt_init_cursor(mp, sc->tp,
610 			xchk_ag_btree_del_cursor_if_sick(sc, &sa->rmap_cur,
616 			sa->refc_cur = xfs_refcountbt_init_cursor(mp, sc->tp,
618 			xchk_ag_btree_del_cursor_if_sick(sc, &sa->refc_cur,
625 		sa->ino_cur = xfs_inobt_init_cursor(sa->pag, sc->tp,
627 		xchk_ag_btree_del_cursor_if_sick(sc, &sa->ino_cur,
632 			sa->fino_cur = xfs_finobt_init_cursor(sa->pag, sc->tp,
634 			xchk_ag_btree_del_cursor_if_sick(sc, &sa->fino_cur,
643 	struct xfs_scrub	*sc,
647 	xrep_reset_perag_resv(sc);
649 		xfs_trans_brelse(sc->tp, sa->agf_bp);
653 		xfs_trans_brelse(sc->tp, sa->agi_bp);
671 	struct xfs_scrub	*sc,
677 	error = xchk_ag_read_headers(sc, agno, sa);
681 	xchk_ag_btcur_init(sc, sa);
689 	struct xfs_scrub	*sc)
691 	xfs_trans_cancel(sc->tp);
692 	sc->tp = NULL;
697 	struct xfs_scrub	*sc)
699 	return xfs_trans_alloc_empty(sc->mp, &sc->tp);
714 	struct xfs_scrub	*sc,
717 	if (sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR)
718 		return xfs_trans_alloc(sc->mp, &M_RES(sc->mp)->tr_itruncate,
719 				resblks, 0, 0, &sc->tp);
721 	return xchk_trans_alloc_empty(sc);
727 	struct xfs_scrub	*sc)
731 	resblks = xrep_calc_ag_resblks(sc);
732 	return xchk_trans_alloc(sc, resblks);
738 	struct xfs_scrub	*sc,
741 	struct xfs_mount	*mp = sc->mp;
756 	error = xchk_setup_fs(sc);
760 	return xchk_ag_init(sc, sc->sm->sm_agno, &sc->sa);
780 	struct xfs_scrub	*sc,
784 	ASSERT(sc->tp != NULL);
786 	return xfs_iget(sc->mp, sc->tp, inum, XCHK_IGET_FLAGS, 0, ipp);
807 	struct xfs_scrub	*sc,
812 	struct xfs_mount	*mp = sc->mp;
813 	struct xfs_trans	*tp = sc->tp;
817 	ASSERT(sc->tp != NULL);
824 	if (xchk_should_terminate(sc, &error))
877 	struct xfs_scrub	*sc)
879 	ASSERT(sc->tp != NULL);
880 	ASSERT(sc->ip != NULL);
882 	if (!xchk_could_repair(sc))
885 	return xrep_ino_dqattach(sc);
892 	struct xfs_scrub	*sc,
895 	if (VFS_I(ip)->i_generation != sc->sm->sm_gen) {
896 		xchk_irele(sc, ip);
900 	sc->ip = ip;
911 	struct xfs_scrub	*sc,
915 		xchk_ino_set_corrupt(sc, ip->i_ino);
919 	sc->ip = ip;
932 	struct xfs_scrub	*sc)
935 	struct xfs_mount	*mp = sc->mp;
938 	struct xfs_inode	*ip_in = XFS_I(file_inode(sc->file));
940 	xfs_agnumber_t		agno = XFS_INO_TO_AGNO(mp, sc->sm->sm_ino);
943 	ASSERT(sc->tp == NULL);
946 	if (sc->sm->sm_ino == 0 || sc->sm->sm_ino == ip_in->i_ino)
947 		return xchk_install_live_inode(sc, ip_in);
950 	if (xfs_internal_inum(mp, sc->sm->sm_ino))
952 	if (!xfs_verify_ino(sc->mp, sc->sm->sm_ino))
956 	error = xchk_iget_safe(sc, sc->sm->sm_ino, &ip);
958 		return xchk_install_handle_inode(sc, ip);
979 	error = xchk_trans_alloc(sc, 0);
983 	error = xchk_iget_agi(sc, sc->sm->sm_ino, &agi_bp, &ip);
986 		xchk_trans_cancel(sc);
987 		return xchk_install_handle_inode(sc, ip);
1017 	pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, sc->sm->sm_ino));
1023 	error = xfs_imap(pag, sc->tp, sc->sm->sm_ino, &imap,
1032 	xchk_trans_cancel(sc);
1034 	trace_xchk_op_error(sc, agno, XFS_INO_TO_AGBNO(mp, sc->sm->sm_ino),
1039 	xchk_trans_cancel(sc);
1046 	struct xfs_scrub	*sc,
1049 	if (sc->tp) {
1077 	struct xfs_scrub	*sc,
1082 	error = xchk_iget_for_scrubbing(sc);
1087 	xchk_ilock(sc, XFS_IOLOCK_EXCL);
1089 	error = xchk_trans_alloc(sc, resblks);
1093 	error = xchk_ino_dqattach(sc);
1097 	xchk_ilock(sc, XFS_ILOCK_EXCL);
1105 	struct xfs_scrub	*sc,
1108 	xfs_ilock(sc->ip, ilock_flags);
1109 	sc->ilock_flags |= ilock_flags;
1114 	struct xfs_scrub	*sc,
1117 	if (xfs_ilock_nowait(sc->ip, ilock_flags)) {
1118 		sc->ilock_flags |= ilock_flags;
1127 	struct xfs_scrub	*sc,
1130 	sc->ilock_flags &= ~ilock_flags;
1131 	xfs_iunlock(sc->ip, ilock_flags);
1141 	struct xfs_scrub	*sc,
1146 	if (xchk_skip_xref(sc->sm))
1162 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_XFAIL;
1163 	trace_xchk_xref_error(sc, *error, __return_address);
1176 	struct xfs_scrub	*sc,
1182 		xchk_block_set_corrupt(sc, bp);
1186 		xchk_set_incomplete(sc);
1192 	sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
1193 	trace_xchk_block_error(sc, xfs_buf_daddr(bp), fa);
1198 	struct xfs_scrub	*sc,
1204 	sub = xchk_scrub_create_subord(sc, scrub_type);
1205 	error = sub->sc.ops->scrub(&sub->sc);
1212  * pointed to by sc->ip and the ILOCK must be held.
1216 	struct xfs_scrub	*sc)
1221 	if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
1225 	error = xchk_metadata_inode_subtype(sc, XFS_SCRUB_TYPE_INODE);
1226 	if (error || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT))
1230 	if (sc->ip->i_diflags & XFS_DIFLAG_REALTIME) {
1231 		xchk_ino_set_corrupt(sc, sc->ip->i_ino);
1236 	if (xfs_is_reflink_inode(sc->ip)) {
1237 		xchk_ino_set_corrupt(sc, sc->ip->i_ino);
1242 	if (xfs_inode_hasattr(sc->ip)) {
1243 		xchk_ino_set_corrupt(sc, sc->ip->i_ino);
1248 	error = xchk_metadata_inode_subtype(sc, XFS_SCRUB_TYPE_BMBTD);
1249 	if (error || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT))
1253 	if (xfs_has_reflink(sc->mp)) {
1254 		error = xfs_reflink_inode_has_shared_extents(sc->tp, sc->ip,
1256 		if (!xchk_fblock_process_error(sc, XFS_DATA_FORK, 0,
1260 			xchk_ino_set_corrupt(sc, sc->ip->i_ino);
1274 	struct xfs_scrub	*sc,
1278 	ASSERT(!(sc->flags & scrub_fsgates));
1280 	trace_xchk_fsgates_enable(sc, scrub_fsgates);
1294 	sc->flags |= scrub_fsgates;
1315 	struct xfs_scrub	*sc,
1319 	struct xfs_mount	*mp = sc->mp;
1320 	struct xfs_perag	*pag = sc->sa.pag;
1332 	if (sc->sa.agi_bp == NULL) {
1333 		ASSERT(sc->sa.agi_bp != NULL);
1338 	ino = XFS_AGINO_TO_INO(sc->mp, pag->pag_agno, agino);