218 	xfs_sb_t	*sbp,  argument
228 	if (sbp->sb_magicnum != XFS_SB_MAGIC) {
233 	if (!XFS_SB_GOOD_VERSION(sbp)) {
239 	    sbp->sb_logstart == 0 && mp->m_logdev_targp == mp->m_ddev_targp)) {
247 	    sbp->sb_logstart != 0 && mp->m_logdev_targp != mp->m_ddev_targp)) {
259 	    sbp->sb_agcount <= 0					||
260 	    sbp->sb_sectsize < XFS_MIN_SECTORSIZE			||
261 	    sbp->sb_sectsize > XFS_MAX_SECTORSIZE			||
262 	    sbp->sb_sectlog < XFS_MIN_SECTORSIZE_LOG			||
263 	    sbp->sb_sectlog > XFS_MAX_SECTORSIZE_LOG			||
264 	    sbp->sb_blocksize < XFS_MIN_BLOCKSIZE			||
265 	    sbp->sb_blocksize > XFS_MAX_BLOCKSIZE			||
266 	    sbp->sb_blocklog < XFS_MIN_BLOCKSIZE_LOG			||
267 	    sbp->sb_blocklog > XFS_MAX_BLOCKSIZE_LOG			||
268 	    sbp->sb_inodesize < XFS_DINODE_MIN_SIZE			||
269 	    sbp->sb_inodesize > XFS_DINODE_MAX_SIZE			||
270 	    sbp->sb_inodelog < XFS_DINODE_MIN_LOG			||
271 	    sbp->sb_inodelog > XFS_DINODE_MAX_LOG			||
272 	    (sbp->sb_blocklog - sbp->sb_inodelog != sbp->sb_inopblog)	||
273 	    (sbp->sb_rextsize * sbp->sb_blocksize > XFS_MAX_RTEXTSIZE)	||
274 	    (sbp->sb_rextsize * sbp->sb_blocksize < XFS_MIN_RTEXTSIZE)	||
275 	    (sbp->sb_imax_pct > 100 /* zero sb_imax_pct is valid */))) {
284 	    sbp->sb_dblocks == 0 ||
285 	    sbp->sb_dblocks >
286 	     (xfs_drfsbno_t)sbp->sb_agcount * sbp->sb_agblocks ||
287 	    sbp->sb_dblocks < (xfs_drfsbno_t)(sbp->sb_agcount - 1) *
288 			      sbp->sb_agblocks + XFS_MIN_AG_BLOCKS)) {
293 	ASSERT(PAGE_SHIFT >= sbp->sb_blocklog);
294 	ASSERT(sbp->sb_blocklog >= BBSHIFT);
298 	    (sbp->sb_dblocks >> (PAGE_SHIFT - sbp->sb_blocklog)) > ULONG_MAX ||
299 	    (sbp->sb_rblocks >> (PAGE_SHIFT - sbp->sb_blocklog)) > ULONG_MAX)) {
302 	    (sbp->sb_dblocks << (sbp->sb_blocklog - BBSHIFT)) > UINT_MAX ||
303 	    (sbp->sb_rblocks << (sbp->sb_blocklog - BBSHIFT)) > UINT_MAX)) {
310 	if (unlikely(sbp->sb_inprogress)) {
318 	if (unlikely(!XFS_SB_VERSION_HASDIRV2(sbp))) {
327 	if (unlikely(sbp->sb_blocksize > PAGE_SIZE)) {
330 			sbp->sb_blocksize);
350 	xfs_sb_t	*sbp = &mp->m_sb;  local
354 	agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks - 1, 0);
374 			icount = sbp->sb_dblocks * sbp->sb_imax_pct;
376 			icount += sbp->sb_agblocks - 1;
377 			do_div(icount, sbp->sb_agblocks);
485 	xfs_sb_t	*sbp;  local
513 	sbp = XFS_BUF_TO_SBP(bp);
578 xfs_mount_common(xfs_mount_t *mp, xfs_sb_t *sbp)  argument
585 	mp->m_blkbit_log = sbp->sb_blocklog + XFS_NBBYLOG;
586 	mp->m_blkbb_log = sbp->sb_blocklog - BBSHIFT;
587 	mp->m_sectbb_log = sbp->sb_sectlog - BBSHIFT;
588 	mp->m_agno_log = xfs_highbit32(sbp->sb_agcount - 1) + 1;
589 	mp->m_agino_log = sbp->sb_inopblog + sbp->sb_agblklog;
590 	mp->m_litino = sbp->sb_inodesize -
592 	mp->m_blockmask = sbp->sb_blocksize - 1;
593 	mp->m_blockwsize = sbp->sb_blocksize >> XFS_WORDLOG;
605 	ASSERT(sbp->sb_inodesize >= 256 && sbp->sb_inodesize <= 2048);
606 	switch (sbp->sb_inodesize) {
622 		mp->m_alloc_mxr[i] = XFS_BTREE_BLOCK_MAXRECS(sbp->sb_blocksize,
624 		mp->m_alloc_mnr[i] = XFS_BTREE_BLOCK_MINRECS(sbp->sb_blocksize,
628 		mp->m_bmap_dmxr[i] = XFS_BTREE_BLOCK_MAXRECS(sbp->sb_blocksize,
630 		mp->m_bmap_dmnr[i] = XFS_BTREE_BLOCK_MINRECS(sbp->sb_blocksize,
634 		mp->m_inobt_mxr[i] = XFS_BTREE_BLOCK_MAXRECS(sbp->sb_blocksize,
636 		mp->m_inobt_mnr[i] = XFS_BTREE_BLOCK_MINRECS(sbp->sb_blocksize,
642 					sbp->sb_inopblock);
643 	mp->m_ialloc_blks = mp->m_ialloc_inos >> sbp->sb_inopblog;
664 	xfs_sb_t	*sbp = &(mp->m_sb);  local
681 	xfs_mount_common(mp, sbp);
709 			if (mp->m_dalign && (sbp->sb_agblocks % mp->m_dalign)) {
717 					sbp->sb_agblocks);
740 		if (XFS_SB_VERSION_HASDALIGN(sbp)) {
741 			if (sbp->sb_unit != mp->m_dalign) {
742 				sbp->sb_unit = mp->m_dalign;
745 			if (sbp->sb_width != mp->m_swidth) {
746 				sbp->sb_width = mp->m_swidth;
752 			mp->m_dalign = sbp->sb_unit;
753 			mp->m_swidth = sbp->sb_width;
761 	if (sbp->sb_imax_pct) {
768 		icount = sbp->sb_dblocks * sbp->sb_imax_pct;
772 				   sbp->sb_inopblog;
776 	mp->m_maxioffset = xfs_max_file_offset(sbp->sb_blocklog);
791 		ret64 = uuid_hash64(&sbp->sb_uuid);
824 	if (sbp->sb_blocklog > readio_log) {
825 		mp->m_readio_log = sbp->sb_blocklog;
829 	mp->m_readio_blocks = 1 << (mp->m_readio_log - sbp->sb_blocklog);
830 	if (sbp->sb_blocklog > writeio_log) {
831 		mp->m_writeio_log = sbp->sb_blocklog;
835 	mp->m_writeio_blocks = 1 << (mp->m_writeio_log - sbp->sb_blocklog);
928 	uuid_getnodeuniq(&sbp->sb_uuid, mp->m_fixedfsid);
977 		kmem_zalloc(sbp->sb_agcount * sizeof(xfs_perag_t), KM_SLEEP);
979 	mp->m_maxagi = xfs_initialize_perag(vfsp, mp, sbp->sb_agcount);
984 	if (likely(sbp->sb_logblocks > 0)) {	/* check for volume case */
986 				      XFS_FSB_TO_DADDR(mp, sbp->sb_logstart),
987 				      XFS_FSB_TO_BB(mp, sbp->sb_logblocks));
1003 	error = xfs_iget(mp, NULL, sbp->sb_rootino, 0, XFS_ILOCK_EXCL, &rip, 0);
1079 	for (agno = 0; agno < sbp->sb_agcount; agno++)
1083 	kmem_free(mp->m_perag, sbp->sb_agcount * sizeof(xfs_perag_t));
1179 	xfs_buf_t	*sbp;  local
1187 	sbp = xfs_getsb(mp, 0);
1196 		sb = XFS_BUF_TO_SBP(sbp);
1205 		XFS_BUF_UNDONE(sbp);
1206 		XFS_BUF_UNREAD(sbp);
1207 		XFS_BUF_UNDELAYWRITE(sbp);
1208 		XFS_BUF_WRITE(sbp);
1209 		XFS_BUF_UNASYNC(sbp);
1210 		ASSERT(XFS_BUF_TARGET(sbp) == mp->m_ddev_targp);
1211 		xfsbdstrat(mp, sbp);
1213 		error = xfs_iowait(sbp);
1216 					  mp, sbp, XFS_BUF_ADDR(sbp));
1220 	xfs_buf_relse(sbp);
1238 	xfs_sb_t	*sbp;  local
1246 	sbp = XFS_BUF_TO_SBP(bp);