1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Copyright (C) 2017-2023 Oracle.  All Rights Reserved.
39 	struct xfs_mount	*mp = sc->mp;  in xchk_setup_rtsummary()
48 	error = xfile_create(descr, mp->m_rsumsize, &sc->xfile);  in xchk_setup_rtsummary()
58 	sc->buf = kvmalloc(mp->m_sb.sb_blocksize, XCHK_GFP_FLAGS);  in xchk_setup_rtsummary()
59 	if (!sc->buf)  in xchk_setup_rtsummary()
60 		return -ENOMEM;  in xchk_setup_rtsummary()
62 	error = xchk_install_live_inode(sc, mp->m_rsumip);  in xchk_setup_rtsummary()
68 	 * careful to unlock it ourselves when we are done with the rtbitmap  in xchk_setup_rtsummary()
72 	xfs_ilock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);  in xchk_setup_rtsummary()
87 	return xfile_obj_load(sc->xfile, info, sizeof(xfs_suminfo_t),  in xfsum_load()
97 	return xfile_obj_store(sc->xfile, &info, sizeof(xfs_suminfo_t),  in xfsum_store()
108 	return xfile_obj_load(sc->xfile, info, nr_words << XFS_WORDLOG,  in xfsum_copyout()
133 	rbmoff = XFS_BITTOBLOCK(mp, rec->ar_startext);  in xchk_rtsum_record_free()
134 	lenlog = XFS_RTBLOCKLOG(rec->ar_extcount);  in xchk_rtsum_record_free()
137 	rtbno = rec->ar_startext * mp->m_sb.sb_rextsize;  in xchk_rtsum_record_free()
138 	rtlen = rec->ar_extcount * mp->m_sb.sb_rextsize;  in xchk_rtsum_record_free()
141 		xchk_ino_xref_set_corrupt(sc, mp->m_rbmip->i_ino);  in xchk_rtsum_record_free()
142 		return -EFSCORRUPTED;  in xchk_rtsum_record_free()
151 	trace_xchk_rtsum_record_free(mp, rec->ar_startext, rec->ar_extcount,  in xchk_rtsum_record_free()
162 	struct xfs_mount	*mp = sc->mp;  in xchk_rtsum_compute()
166 	rtbmp_bytes = howmany_64(mp->m_sb.sb_rextents, NBBY);  in xchk_rtsum_compute()
167 	if (roundup_64(rtbmp_bytes, mp->m_sb.sb_blocksize) !=  in xchk_rtsum_compute()
168 			mp->m_rbmip->i_disk_size)  in xchk_rtsum_compute()
169 		return -EFSCORRUPTED;  in xchk_rtsum_compute()
171 	return xfs_rtalloc_query_all(sc->mp, sc->tp, xchk_rtsum_record_free,  in xchk_rtsum_compute()
180 	struct xfs_mount	*mp = sc->mp;  in xchk_rtsum_compare()
187 	for (off = 0; off < XFS_B_TO_FSB(mp, mp->m_rsumsize); off++) {  in xchk_rtsum_compare()
192 		if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)  in xchk_rtsum_compare()
197 		error = xfs_bmapi_read(mp->m_rsumip, off, 1, &map, &nmap,  in xchk_rtsum_compare()
208 		error = xfs_rtbuf_get(mp, sc->tp, off, 1, &bp);  in xchk_rtsum_compare()
213 		error = xfsum_copyout(sc, sumoff, sc->buf, mp->m_blockwsize);  in xchk_rtsum_compare()
215 			xfs_trans_brelse(sc->tp, bp);  in xchk_rtsum_compare()
219 		if (memcmp(bp->b_addr, sc->buf,  in xchk_rtsum_compare()
220 					mp->m_blockwsize << XFS_WORDLOG) != 0)  in xchk_rtsum_compare()
223 		xfs_trans_brelse(sc->tp, bp);  in xchk_rtsum_compare()
224 		sumoff += mp->m_blockwsize;  in xchk_rtsum_compare()
235 	struct xfs_mount	*mp = sc->mp;  in xchk_rtsummary()
238 	/* Invoke the fork scrubber. */  in xchk_rtsummary()
240 	if (error || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT))  in xchk_rtsummary()
245 	if (error == -EFSCORRUPTED) {  in xchk_rtsummary()
250 		xchk_ino_xref_set_corrupt(sc, mp->m_rbmip->i_ino);  in xchk_rtsummary()
261 	/* Unlock the rtbitmap since we're done with it. */  in xchk_rtsummary()
262 	xfs_iunlock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);  in xchk_rtsummary()