51 	struct xfs_mount	*mp = tp->t_mountp;  in xfs_resizefs_init_new_ags()  local
52 	xfs_rfsblock_t		nb = mp->m_sb.sb_dblocks + delta;  in xfs_resizefs_init_new_ags()
64 					(xfs_rfsblock_t)mp->m_sb.sb_agblocks);  in xfs_resizefs_init_new_ags()
66 			id->agsize = mp->m_sb.sb_agblocks;  in xfs_resizefs_init_new_ags()
68 		error = xfs_ag_init_headers(mp, id);  in xfs_resizefs_init_new_ags()
91 	struct xfs_mount	*mp,		/* mount point for filesystem */  in xfs_growfs_data_private()  argument
94 	xfs_agnumber_t		oagcount = mp->m_sb.sb_agcount;  in xfs_growfs_data_private()
107 	error = xfs_sb_validate_fsb_count(&mp->m_sb, nb);  in xfs_growfs_data_private()
111 	if (nb > mp->m_sb.sb_dblocks) {  in xfs_growfs_data_private()
112 		error = xfs_buf_read_uncached(mp->m_ddev_targp,  in xfs_growfs_data_private()
113 				XFS_FSB_TO_BB(mp, nb) - XFS_FSS_TO_BB(mp, 1),  in xfs_growfs_data_private()
114 				XFS_FSS_TO_BB(mp, 1), &bp, NULL);  in xfs_growfs_data_private()
121 	error = xfs_growfs_check_rtgeom(mp, nb, mp->m_sb.sb_rblocks,  in xfs_growfs_data_private()
122 			mp->m_sb.sb_rextsize);  in xfs_growfs_data_private()
127 	nb_mod = do_div(nb_div, mp->m_sb.sb_agblocks);  in xfs_growfs_data_private()
131 		nb = nb_div * mp->m_sb.sb_agblocks;  in xfs_growfs_data_private()
135 		nb = nb_div * mp->m_sb.sb_agblocks;  in xfs_growfs_data_private()
138 	delta = nb - mp->m_sb.sb_dblocks;  in xfs_growfs_data_private()
156 	error = xfs_initialize_perag(mp, oagcount, nagcount, nb, &nagimax);  in xfs_growfs_data_private()
161 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata,  in xfs_growfs_data_private()
162 				XFS_GROWFS_SPACE_RES(mp), 0, XFS_TRANS_RESERVE,  in xfs_growfs_data_private()
165 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata, -delta, 0,  in xfs_growfs_data_private()
170 	last_pag = xfs_perag_get(mp, oagcount - 1);  in xfs_growfs_data_private()
175 		xfs_warn_experimental(mp, XFS_EXPERIMENTAL_SHRINK);  in xfs_growfs_data_private()
199 	if (xfs_has_lazysbcount(mp))  in xfs_growfs_data_private()
209 		mp->m_maxagi = nagimax;  in xfs_growfs_data_private()
210 	xfs_set_low_space_thresholds(mp);  in xfs_growfs_data_private()
211 	mp->m_alloc_set_aside = xfs_alloc_set_aside(mp);  in xfs_growfs_data_private()
221 			pag = xfs_perag_get(mp, id.agno);  in xfs_growfs_data_private()
230 		error = xfs_fs_reserve_ag_blocks(mp);  in xfs_growfs_data_private()
235 		xfs_rtrmapbt_compute_maxlevels(mp);  in xfs_growfs_data_private()
236 		xfs_rtrefcountbt_compute_maxlevels(mp);  in xfs_growfs_data_private()
245 		xfs_free_perag_range(mp, oagcount, nagcount);  in xfs_growfs_data_private()
251 	struct xfs_mount	*mp,	/* mount point for filesystem */  in xfs_growfs_log_private()  argument
257 	if (nb < XFS_MIN_LOG_BLOCKS || nb < XFS_B_TO_FSB(mp, XFS_MIN_LOG_BYTES))  in xfs_growfs_log_private()
259 	if (nb == mp->m_sb.sb_logblocks &&  in xfs_growfs_log_private()
260 	    in->isint == (mp->m_sb.sb_logstart != 0))  in xfs_growfs_log_private()
273 	struct xfs_mount	*mp,  in xfs_growfs_imaxpct()  argument
283 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata,  in xfs_growfs_imaxpct()
284 			XFS_GROWFS_SPACE_RES(mp), 0, XFS_TRANS_RESERVE, &tp);  in xfs_growfs_imaxpct()
288 	dpct = imaxpct - mp->m_sb.sb_imax_pct;  in xfs_growfs_imaxpct()
301 	struct xfs_mount	*mp,  in xfs_growfs_data()  argument
308 	if (!mutex_trylock(&mp->m_growlock))  in xfs_growfs_data()
312 	if (in->newblocks != mp->m_sb.sb_dblocks && mp->m_sb.sb_rtstart) {  in xfs_growfs_data()
318 	if (in->imaxpct != mp->m_sb.sb_imax_pct) {  in xfs_growfs_data()
319 		error = xfs_growfs_imaxpct(mp, in->imaxpct);  in xfs_growfs_data()
324 	if (in->newblocks != mp->m_sb.sb_dblocks) {  in xfs_growfs_data()
325 		error = xfs_growfs_data_private(mp, in);  in xfs_growfs_data()
331 	if (mp->m_sb.sb_imax_pct) {  in xfs_growfs_data()
332 		uint64_t icount = mp->m_sb.sb_dblocks * mp->m_sb.sb_imax_pct;  in xfs_growfs_data()
334 		M_IGEO(mp)->maxicount = XFS_FSB_TO_INO(mp, icount);  in xfs_growfs_data()
336 		M_IGEO(mp)->maxicount = 0;  in xfs_growfs_data()
339 	error = xfs_update_secondary_sbs(mp);  in xfs_growfs_data()
345 	mp->m_generation++;  in xfs_growfs_data()
347 	mutex_unlock(&mp->m_growlock);  in xfs_growfs_data()
353 	xfs_mount_t		*mp,  in xfs_growfs_log()  argument
360 	if (!mutex_trylock(&mp->m_growlock))  in xfs_growfs_log()
362 	error = xfs_growfs_log_private(mp, in);  in xfs_growfs_log()
363 	mutex_unlock(&mp->m_growlock);  in xfs_growfs_log()
374 	struct xfs_mount	*mp,  in xfs_reserve_blocks()  argument
395 	spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
403 	if (mp->m_free[ctr].res_total > request) {  in xfs_reserve_blocks()
404 		lcounter = mp->m_free[ctr].res_avail - request;  in xfs_reserve_blocks()
407 			mp->m_free[ctr].res_avail -= lcounter;  in xfs_reserve_blocks()
409 		mp->m_free[ctr].res_total = request;  in xfs_reserve_blocks()
411 			spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
412 			xfs_add_freecounter(mp, ctr, fdblks_delta);  in xfs_reserve_blocks()
413 			spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
431 	free = xfs_sum_freecounter_raw(mp, ctr) -  in xfs_reserve_blocks()
432 		xfs_freecounter_unavailable(mp, ctr);  in xfs_reserve_blocks()
433 	delta = request - mp->m_free[ctr].res_total;  in xfs_reserve_blocks()
434 	mp->m_free[ctr].res_total = request;  in xfs_reserve_blocks()
447 		spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
448 		error = xfs_dec_freecounter(mp, ctr, fdblks_delta, 0);  in xfs_reserve_blocks()
450 			xfs_add_freecounter(mp, ctr, fdblks_delta);  in xfs_reserve_blocks()
451 		spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
454 	spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
460 	xfs_mount_t	*mp,  in xfs_fs_goingdown()  argument
465 		if (!bdev_freeze(mp->m_super->s_bdev)) {  in xfs_fs_goingdown()
466 			xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);  in xfs_fs_goingdown()
467 			bdev_thaw(mp->m_super->s_bdev);  in xfs_fs_goingdown()
472 		xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);  in xfs_fs_goingdown()
475 		xfs_force_shutdown(mp,  in xfs_fs_goingdown()
498 	struct xfs_mount *mp,  in xfs_do_force_shutdown()  argument
507 	if (xfs_set_shutdown(mp)) {  in xfs_do_force_shutdown()
508 		xlog_shutdown_wait(mp->m_log);  in xfs_do_force_shutdown()
511 	if (mp->m_sb_bp)  in xfs_do_force_shutdown()
512 		mp->m_sb_bp->b_flags |= XBF_DONE;  in xfs_do_force_shutdown()
515 		xfs_alert(mp, "User initiated shutdown received.");  in xfs_do_force_shutdown()
517 	if (xlog_force_shutdown(mp->m_log, flags)) {  in xfs_do_force_shutdown()
534 	trace_xfs_force_shutdown(mp, tag, flags, fname, lnnum);  in xfs_do_force_shutdown()
536 	xfs_alert_tag(mp, tag,  in xfs_do_force_shutdown()
539 	xfs_alert(mp,  in xfs_do_force_shutdown()
550 	struct xfs_mount	*mp)  in xfs_fs_reserve_ag_blocks()  argument
556 	mp->m_finobt_nores = false;  in xfs_fs_reserve_ag_blocks()
557 	while ((pag = xfs_perag_next(mp, pag))) {  in xfs_fs_reserve_ag_blocks()
564 		xfs_warn(mp,  in xfs_fs_reserve_ag_blocks()
566 		xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);  in xfs_fs_reserve_ag_blocks()
570 	err2 = xfs_metafile_resv_init(mp);  in xfs_fs_reserve_ag_blocks()
572 		xfs_warn(mp,  in xfs_fs_reserve_ag_blocks()
574 		xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);  in xfs_fs_reserve_ag_blocks()
588 	struct xfs_mount	*mp)  in xfs_fs_unreserve_ag_blocks()  argument
592 	xfs_metafile_resv_free(mp);  in xfs_fs_unreserve_ag_blocks()
593 	while ((pag = xfs_perag_next(mp, pag)))  in xfs_fs_unreserve_ag_blocks()