1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Copyright (C) 2017-2023 Oracle.  All Rights Reserved.
52 	struct xfs_mount	*mp = sc->mp;  in xchk_setup_rtsummary()
57 	rts = kvzalloc(struct_size(rts, words, mp->m_blockwsize),  in xchk_setup_rtsummary()
60 		return -ENOMEM;  in xchk_setup_rtsummary()
61 	sc->buf = rts;  in xchk_setup_rtsummary()
68 	error = xfile_create(descr, mp->m_rsumsize, &sc->xfile);  in xchk_setup_rtsummary()
77 	error = xchk_install_live_inode(sc, mp->m_rsumip);  in xchk_setup_rtsummary()
87 	 * careful to unlock it ourselves when we are done with the rtbitmap  in xchk_setup_rtsummary()
91 	xfs_ilock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);  in xchk_setup_rtsummary()
99 	if (mp->m_sb.sb_rblocks) {  in xchk_setup_rtsummary()
103 		rts->rextents = xfs_rtb_to_rtx(mp, mp->m_sb.sb_rblocks);  in xchk_setup_rtsummary()
104 		rextslog = xfs_compute_rextslog(rts->rextents);  in xchk_setup_rtsummary()
105 		rts->rsumlevels = rextslog + 1;  in xchk_setup_rtsummary()
106 		rts->rbmblocks = xfs_rtbitmap_blockcount(mp, rts->rextents);  in xchk_setup_rtsummary()
107 		rsumblocks = xfs_rtsummary_blockcount(mp, rts->rsumlevels,  in xchk_setup_rtsummary()
108 				rts->rbmblocks);  in xchk_setup_rtsummary()
109 		rts->rsumsize = XFS_FSB_TO_B(mp, rsumblocks);  in xchk_setup_rtsummary()
122 	return xfile_obj_load(sc->xfile, rawinfo,  in xfsum_load()
133 	return xfile_obj_store(sc->xfile, &rawinfo,  in xfsum_store()
145 	return xfile_obj_load(sc->xfile, rawinfo, nr_words << XFS_WORDLOG,  in xfsum_copyout()
154 	v->old += 1;  in xchk_rtsum_inc()
155 	return v->old;  in xchk_rtsum_inc()
180 	rbmoff = xfs_rtx_to_rbmblock(mp, rec->ar_startext);  in xchk_rtsum_record_free()
181 	lenlog = xfs_highbit64(rec->ar_extcount);  in xchk_rtsum_record_free()
184 	rtbno = xfs_rtx_to_rtb(mp, rec->ar_startext);  in xchk_rtsum_record_free()
185 	rtlen = xfs_rtx_to_rtb(mp, rec->ar_extcount);  in xchk_rtsum_record_free()
188 		xchk_ino_xref_set_corrupt(sc, mp->m_rbmip->i_ino);  in xchk_rtsum_record_free()
189 		return -EFSCORRUPTED;  in xchk_rtsum_record_free()
197 	value = xchk_rtsum_inc(sc->mp, &v);  in xchk_rtsum_record_free()
198 	trace_xchk_rtsum_record_free(mp, rec->ar_startext, rec->ar_extcount,  in xchk_rtsum_record_free()
209 	struct xfs_mount	*mp = sc->mp;  in xchk_rtsum_compute()
213 	rtbmp_blocks = xfs_rtbitmap_blockcount(mp, mp->m_sb.sb_rextents);  in xchk_rtsum_compute()
214 	if (XFS_FSB_TO_B(mp, rtbmp_blocks) != mp->m_rbmip->i_disk_size)  in xchk_rtsum_compute()
215 		return -EFSCORRUPTED;  in xchk_rtsum_compute()
217 	return xfs_rtalloc_query_all(sc->mp, sc->tp, xchk_rtsum_record_free,  in xchk_rtsum_compute()
229 	struct xfs_mount	*mp = sc->mp;  in xchk_rtsum_compare()
230 	struct xfs_inode	*ip = sc->ip;  in xchk_rtsum_compare()
231 	struct xchk_rtsummary	*rts = sc->buf;  in xchk_rtsum_compare()
237 	rts->args.mp = sc->mp;  in xchk_rtsum_compare()
238 	rts->args.tp = sc->tp;  in xchk_rtsum_compare()
241 	endoff = XFS_B_TO_FSB(mp, ip->i_disk_size);  in xchk_rtsum_compare()
242 	if (xfs_iext_lookup_extent(ip, &ip->i_df, endoff, &icur, &map)) {  in xchk_rtsum_compare()
252 		if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)  in xchk_rtsum_compare()
256 		error = xfs_bmapi_read(ip, off, endoff - off, &map, &nmap,  in xchk_rtsum_compare()
273 		error = xfs_rtsummary_read_buf(&rts->args, off);  in xchk_rtsum_compare()
278 		error = xfsum_copyout(sc, sumoff, rts->words, mp->m_blockwsize);  in xchk_rtsum_compare()
280 			xfs_rtbuf_cache_relse(&rts->args);  in xchk_rtsum_compare()
284 		ondisk_info = xfs_rsumblock_infoptr(&rts->args, 0);  in xchk_rtsum_compare()
285 		if (memcmp(ondisk_info, rts->words,  in xchk_rtsum_compare()
286 					mp->m_blockwsize << XFS_WORDLOG) != 0) {  in xchk_rtsum_compare()
288 			xfs_rtbuf_cache_relse(&rts->args);  in xchk_rtsum_compare()
292 		xfs_rtbuf_cache_relse(&rts->args);  in xchk_rtsum_compare()
293 		sumoff += mp->m_blockwsize;  in xchk_rtsum_compare()
304 	struct xfs_mount	*mp = sc->mp;  in xchk_rtsummary()
305 	struct xchk_rtsummary	*rts = sc->buf;  in xchk_rtsummary()
309 	if (mp->m_sb.sb_rextents != rts->rextents) {  in xchk_rtsummary()
310 		xchk_ino_set_corrupt(sc, mp->m_rbmip->i_ino);  in xchk_rtsummary()
315 	if (mp->m_rsumlevels != rts->rsumlevels) {  in xchk_rtsummary()
316 		xchk_ino_set_corrupt(sc, mp->m_rsumip->i_ino);  in xchk_rtsummary()
321 	if (mp->m_rsumsize != rts->rsumsize) {  in xchk_rtsummary()
322 		xchk_ino_set_corrupt(sc, mp->m_rsumip->i_ino);  in xchk_rtsummary()
327 	if (mp->m_rsumip->i_disk_size & mp->m_blockmask) {  in xchk_rtsummary()
328 		xchk_ino_set_corrupt(sc, mp->m_rsumip->i_ino);  in xchk_rtsummary()
337 	if (mp->m_rsumip->i_disk_size < rts->rsumsize) {  in xchk_rtsummary()
338 		xchk_ino_set_corrupt(sc, mp->m_rsumip->i_ino);  in xchk_rtsummary()
342 	/* Invoke the fork scrubber. */  in xchk_rtsummary()
344 	if (error || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT))  in xchk_rtsummary()
349 	if (error == -EFSCORRUPTED) {  in xchk_rtsummary()
354 		xchk_ino_xref_set_corrupt(sc, mp->m_rbmip->i_ino);  in xchk_rtsummary()
365 	/* Unlock the rtbitmap since we're done with it. */  in xchk_rtsummary()
366 	xfs_iunlock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);  in xchk_rtsummary()