xfs/scrub/reap.c

952  * This first step determines the longest subset of the passed-in imap
961 	struct xfs_bmbt_irec	*imap,
972 	agbno = XFS_FSB_TO_AGBNO(sc->mp, imap->br_startblock);
973 	agbno_next = agbno + imap->br_blockcount;
978 	xfs_rmap_ino_owner(&oinfo, ip->i_ino, whichfork, imap->br_startoff);
1000 	imap->br_blockcount = len;
1036  * Invalidate any buffers for this file mapping.  The @imap blockcount may be
1044 	struct xfs_bmbt_irec	*imap)
1062 	agbno = bno = XFS_FSB_TO_AGBNO(sc->mp, imap->br_startblock);
1063 	agbno_next = agbno + imap->br_blockcount;
1076 	off = imap->br_startoff + imap->br_blockcount;
1096 	scan_blocks = off - imap->br_startoff;
1098 	trace_xreap_bmapi_binval_scan(sc, imap, scan_blocks);
1131 				imap->br_blockcount = agbno_next - bno;
1142 			imap->br_blockcount);
1148  * The number of blocks disposed of is returned in @imap->br_blockcount.
1155 	struct xfs_bmbt_irec		*imap,
1170 				XFS_FSB_TO_AGBNO(sc->mp, imap->br_startblock),
1171 				imap->br_blockcount);
1178 		xfs_bmap_unmap_extent(sc->tp, ip, whichfork, imap);
1180 				-(int64_t)imap->br_blockcount);
1181 		xfs_rmap_unmap_extent(sc->tp, ip, whichfork, imap);
1193 			XFS_FSB_TO_AGBNO(sc->mp, imap->br_startblock),
1194 			imap->br_blockcount);
1202 	error = xreap_bmapi_binval(sc, ip, whichfork, imap);
1203 	if (error || imap->br_blockcount == 0)
1211 	xfs_bmap_unmap_extent(sc->tp, ip, whichfork, imap);
1213 			-(int64_t)imap->br_blockcount);
1214 	return xfs_free_extent_later(sc->tp, imap->br_startblock,
1215 			imap->br_blockcount, NULL, XFS_AG_RESV_NONE,
1221  * the imap will reflect the mapping that was removed from the fork.
1228 	struct xfs_bmbt_irec		*imap)
1236 	trace_xreap_ifork_extent(sc, ip, whichfork, imap);
1238 	agno = XFS_FSB_TO_AGNO(sc->mp, imap->br_startblock);
1251 	error = xreap_bmapi_select(sc, ip, whichfork, imap, &crosslinked);
1255 	error = xrep_reap_bmapi_iter(sc, ip, whichfork, imap, crosslinked);
1288 		struct xfs_bmbt_irec	imap;
1292 		error = xfs_bmapi_read(ip, off, XFS_MAX_FILEOFF - off, &imap,
1296 		if (nimaps != 1 || imap.br_startblock == DELAYSTARTBLOCK) {
1305 		if (xfs_bmap_is_real_extent(&imap)) {
1306 			error = xreap_ifork_extent(sc, ip, whichfork, &imap);
1315 		off = imap.br_startoff + imap.br_blockcount;