xfs/scrub/cow_repair.c

84  * space.  Caller must ensure that the physical range is within xc->irec.
88 	struct xrep_cow		*xc,
94 	startoff = xc->irec.br_startoff +
95 				(startblock - xc->irec.br_startblock);
97 	trace_xrep_cow_mark_file_range(xc->sc->ip, startblock, startoff,
100 	return xoff_bitmap_set(&xc->bad_fileoffs, startoff, blockcount);
109 	struct xrep_cow			*xc,
117 	if (dst->rc_startblock < xc->irec_startbno) {
118 		adj = xc->irec_startbno - dst->rc_startblock;
124 	    xc->irec_startbno + xc->irec.br_blockcount) {
126 		      (xc->irec_startbno + xc->irec.br_blockcount);
138 	struct xrep_cow			*xc = priv;
146 	xrep_cow_trim_refcount(xc, &rrec, rec);
148 	fsbno = XFS_AGB_TO_FSB(xc->sc->mp, cur->bc_ag.pag->pag_agno,
150 	return xrep_cow_mark_file_range(xc, fsbno, rrec.rc_blockcount);
167 	struct xrep_cow			*xc = priv;
175 	xrep_cow_trim_refcount(xc, &rrec, rec);
177 	if (xc->next_bno >= rrec.rc_startblock)
180 	error = xrep_cow_mark_file_range(xc,
181 			XFS_AGB_TO_FSB(xc->sc->mp, cur->bc_ag.pag->pag_agno,
182 				       xc->next_bno),
183 			rrec.rc_startblock - xc->next_bno);
188 	xc->next_bno = rrec.rc_startblock + rrec.rc_blockcount;
202 	struct xrep_cow			*xc = priv;
213 	if (rec_bno < xc->irec_startbno) {
214 		adj = xc->irec_startbno - rec_bno;
219 	if (rec_bno + rec_len > xc->irec_startbno + xc->irec.br_blockcount) {
221 		      (xc->irec_startbno + xc->irec.br_blockcount);
225 	fsbno = XFS_AGB_TO_FSB(xc->sc->mp, cur->bc_ag.pag->pag_agno, rec_bno);
226 	return xrep_cow_mark_file_range(xc, fsbno, rec_len);
235 	struct xrep_cow			*xc)
242 	struct xfs_scrub		*sc = xc->sc;
246 	agno = XFS_FSB_TO_AGNO(sc->mp, xc->irec.br_startblock);
247 	xc->irec_startbno = XFS_FSB_TO_AGBNO(sc->mp, xc->irec.br_startblock);
258 	rc_low.rc_startblock = xc->irec_startbno;
259 	rc_high.rc_startblock = xc->irec_startbno + xc->irec.br_blockcount - 1;
262 			xrep_cow_mark_shared_staging, xc);
267 	rc_low.rc_startblock = xc->irec_startbno;
268 	rc_high.rc_startblock = xc->irec_startbno + xc->irec.br_blockcount - 1;
270 	xc->next_bno = xc->irec_startbno;
272 			xrep_cow_mark_missing_staging, xc);
276 	if (xc->next_bno < xc->irec_startbno + xc->irec.br_blockcount) {
277 		error = xrep_cow_mark_file_range(xc,
279 					       xc->next_bno),
280 				xc->irec_startbno + xc->irec.br_blockcount -
281 				xc->next_bno);
287 	rm_low.rm_startblock = xc->irec_startbno;
289 	rm_high.rm_startblock = xc->irec_startbno + xc->irec.br_blockcount - 1;
291 			xrep_cow_mark_missing_staging_rmap, xc);
301 		error = xrep_cow_mark_file_range(xc, xc->irec.br_startblock,
302 				xc->irec.br_blockcount);
362 	struct xrep_cow		*xc,
367 	struct xfs_inode	*ip = xc->sc->ip;
443 	struct xrep_cow		*xc,
450 	struct xfs_scrub	*sc = xc->sc;
459 	error = xrep_cow_find_mapping(xc, &icur, startoff, &got);
487 	error = xfsb_bitmap_set(&xc->old_cowfork_fsblocks, got.br_startblock,
506 	struct xrep_cow		*xc = priv;
513 		error = xrep_cow_replace_range(xc, startoff, &len);
533 	struct xrep_cow		*xc;
558 	xc = kzalloc(sizeof(struct xrep_cow), XCHK_GFP_FLAGS);
559 	if (!xc)
564 	xc->sc = sc;
565 	xoff_bitmap_init(&xc->bad_fileoffs);
566 	xfsb_bitmap_init(&xc->old_cowfork_fsblocks);
568 	for_each_xfs_iext(ifp, &icur, &xc->irec) {
577 		if (isnullstartblock(xc->irec.br_startblock))
586 		if (xfs_bmap_is_written_extent(&xc->irec))
589 		error = xrep_cow_find_bad(xc);
595 	error = xoff_bitmap_walk(&xc->bad_fileoffs, xrep_cow_replace, xc);
604 	error = xrep_reap_fsblocks(sc, &xc->old_cowfork_fsblocks,
610 	xfsb_bitmap_destroy(&xc->old_cowfork_fsblocks);
611 	xoff_bitmap_destroy(&xc->bad_fileoffs);
612 	kfree(xc);