Beispiel #1
0
void
reset_bmaps(xfs_mount_t *mp)
{
	xfs_agnumber_t	agno;
	xfs_agblock_t	ag_size;
	int		ag_hdr_block;

	ag_hdr_block = howmany(4 * mp->m_sb.sb_sectsize, mp->m_sb.sb_blocksize);
	ag_size = mp->m_sb.sb_agblocks;

	for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) {
		if (agno == mp->m_sb.sb_agcount - 1)
			ag_size = (xfs_extlen_t)(mp->m_sb.sb_dblocks -
				   (xfs_drfsbno_t)mp->m_sb.sb_agblocks * agno);
#ifdef BTREE_STATS
		if (btree_find(ag_bmap[agno], 0, NULL)) {
			printf("ag_bmap[%d] btree stats:\n", i);
			btree_print_stats(ag_bmap[agno], stdout);
		}
#endif
		/*
		 * We always insert an item for the first block having a
		 * given state.  So the code below means:
		 *
		 *	block 0..ag_hdr_block-1:	XR_E_INUSE_FS
		 *	ag_hdr_block..ag_size:		XR_E_UNKNOWN
		 *	ag_size...			XR_E_BAD_STATE
		 */
		btree_clear(ag_bmap[agno]);
		btree_insert(ag_bmap[agno], 0, &states[XR_E_INUSE_FS]);
		btree_insert(ag_bmap[agno],
				ag_hdr_block, &states[XR_E_UNKNOWN]);
		btree_insert(ag_bmap[agno], ag_size, &states[XR_E_BAD_STATE]);
	}

	if (mp->m_sb.sb_logstart != 0) {
		set_bmap_ext(XFS_FSB_TO_AGNO(mp, mp->m_sb.sb_logstart),
			     XFS_FSB_TO_AGBNO(mp, mp->m_sb.sb_logstart),
			     mp->m_sb.sb_logblocks, XR_E_INUSE_FS);
	}

	reset_rt_bmap();
}
Beispiel #2
0
void
phase2(
	struct xfs_mount	*mp,
	int			scan_threads)
{
	int			j;
	ino_tree_node_t		*ino_rec;

	/* now we can start using the buffer cache routines */
	set_mp(mp);

	/* Check whether this fs has internal or external log */
	if (mp->m_sb.sb_logstart == 0) {
		if (!x.logname)
			do_error(_("This filesystem has an external log.  "
				   "Specify log device with the -l option.\n"));

		do_log(_("Phase 2 - using external log on %s\n"), x.logname);
	} else
		do_log(_("Phase 2 - using internal log\n"));

	/* Zero log if applicable */
	if (!no_modify)  {
		do_log(_("        - zero log...\n"));
		zero_log(mp);
	}

	do_log(_("        - scan filesystem freespace and inode maps...\n"));

	bad_ino_btree = 0;

	set_progress_msg(PROG_FMT_SCAN_AG, (__uint64_t) glob_agcount);

	scan_ags(mp, scan_threads);

	print_final_rpt();

	/*
	 * make sure we know about the root inode chunk
	 */
	if ((ino_rec = find_inode_rec(0, mp->m_sb.sb_rootino)) == NULL)  {
		ASSERT(mp->m_sb.sb_rbmino == mp->m_sb.sb_rootino + 1 &&
			mp->m_sb.sb_rsumino == mp->m_sb.sb_rootino + 2);
		do_warn(_("root inode chunk not found\n"));

		/*
		 * mark the first 3 used, the rest are free
		 */
		ino_rec = set_inode_used_alloc(0,
				(xfs_agino_t) mp->m_sb.sb_rootino);
		set_inode_used(ino_rec, 1);
		set_inode_used(ino_rec, 2);

		for (j = 3; j < XFS_INODES_PER_CHUNK; j++)
			set_inode_free(ino_rec, j);

		/*
		 * also mark blocks
		 */
		set_bmap_ext(0, XFS_INO_TO_AGBNO(mp, mp->m_sb.sb_rootino),
			     mp->m_ialloc_blks, XR_E_INO);
	} else  {
		do_log(_("        - found root inode chunk\n"));

		/*
		 * blocks are marked, just make sure they're in use
		 */
		if (is_inode_free(ino_rec, 0))  {
			do_warn(_("root inode marked free, "));
			set_inode_used(ino_rec, 0);
			if (!no_modify)
				do_warn(_("correcting\n"));
			else
				do_warn(_("would correct\n"));
		}

		if (is_inode_free(ino_rec, 1))  {
			do_warn(_("realtime bitmap inode marked free, "));
			set_inode_used(ino_rec, 1);
			if (!no_modify)
				do_warn(_("correcting\n"));
			else
				do_warn(_("would correct\n"));
		}

		if (is_inode_free(ino_rec, 2))  {
			do_warn(_("realtime summary inode marked free, "));
			set_inode_used(ino_rec, 2);
			if (!no_modify)
				do_warn(_("correcting\n"));
			else
				do_warn(_("would correct\n"));
		}
	}
}