47 	struct xfs_mount	*mp = tp->t_mountp;  in xfs_resizefs_init_new_ags()  local
48 	xfs_rfsblock_t		nb = mp->m_sb.sb_dblocks + delta;  in xfs_resizefs_init_new_ags()
60 					(xfs_rfsblock_t)mp->m_sb.sb_agblocks);  in xfs_resizefs_init_new_ags()
62 			id->agsize = mp->m_sb.sb_agblocks;  in xfs_resizefs_init_new_ags()
64 		error = xfs_ag_init_headers(mp, id);  in xfs_resizefs_init_new_ags()
87 	struct xfs_mount	*mp,		/* mount point for filesystem */  in xfs_growfs_data_private()  argument
90 	xfs_agnumber_t		oagcount = mp->m_sb.sb_agcount;  in xfs_growfs_data_private()
103 	error = xfs_sb_validate_fsb_count(&mp->m_sb, nb);  in xfs_growfs_data_private()
107 	if (nb > mp->m_sb.sb_dblocks) {  in xfs_growfs_data_private()
108 		error = xfs_buf_read_uncached(mp->m_ddev_targp,  in xfs_growfs_data_private()
109 				XFS_FSB_TO_BB(mp, nb) - XFS_FSS_TO_BB(mp, 1),  in xfs_growfs_data_private()
110 				XFS_FSS_TO_BB(mp, 1), 0, &bp, NULL);  in xfs_growfs_data_private()
117 	nb_mod = do_div(nb_div, mp->m_sb.sb_agblocks);  in xfs_growfs_data_private()
121 		nb = nb_div * mp->m_sb.sb_agblocks;  in xfs_growfs_data_private()
125 		nb = nb_div * mp->m_sb.sb_agblocks;  in xfs_growfs_data_private()
128 	delta = nb - mp->m_sb.sb_dblocks;  in xfs_growfs_data_private()
146 	error = xfs_initialize_perag(mp, oagcount, nagcount, nb, &nagimax);  in xfs_growfs_data_private()
151 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata,  in xfs_growfs_data_private()
152 				XFS_GROWFS_SPACE_RES(mp), 0, XFS_TRANS_RESERVE,  in xfs_growfs_data_private()
155 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata, -delta, 0,  in xfs_growfs_data_private()
160 	last_pag = xfs_perag_get(mp, oagcount - 1);  in xfs_growfs_data_private()
165 		xfs_warn_mount(mp, XFS_OPSTATE_WARNED_SHRINK,  in xfs_growfs_data_private()
191 	if (xfs_has_lazysbcount(mp))  in xfs_growfs_data_private()
201 		mp->m_maxagi = nagimax;  in xfs_growfs_data_private()
202 	xfs_set_low_space_thresholds(mp);  in xfs_growfs_data_private()
203 	mp->m_alloc_set_aside = xfs_alloc_set_aside(mp);  in xfs_growfs_data_private()
213 			pag = xfs_perag_get(mp, id.agno);  in xfs_growfs_data_private()
222 		error = xfs_fs_reserve_ag_blocks(mp);  in xfs_growfs_data_private()
232 		xfs_free_perag_range(mp, oagcount, nagcount);  in xfs_growfs_data_private()
238 	struct xfs_mount	*mp,	/* mount point for filesystem */  in xfs_growfs_log_private()  argument
244 	if (nb < XFS_MIN_LOG_BLOCKS || nb < XFS_B_TO_FSB(mp, XFS_MIN_LOG_BYTES))  in xfs_growfs_log_private()
246 	if (nb == mp->m_sb.sb_logblocks &&  in xfs_growfs_log_private()
247 	    in->isint == (mp->m_sb.sb_logstart != 0))  in xfs_growfs_log_private()
260 	struct xfs_mount	*mp,  in xfs_growfs_imaxpct()  argument
270 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata,  in xfs_growfs_imaxpct()
271 			XFS_GROWFS_SPACE_RES(mp), 0, XFS_TRANS_RESERVE, &tp);  in xfs_growfs_imaxpct()
275 	dpct = imaxpct - mp->m_sb.sb_imax_pct;  in xfs_growfs_imaxpct()
288 	struct xfs_mount	*mp,  in xfs_growfs_data()  argument
295 	if (!mutex_trylock(&mp->m_growlock))  in xfs_growfs_data()
299 	if (in->imaxpct != mp->m_sb.sb_imax_pct) {  in xfs_growfs_data()
300 		error = xfs_growfs_imaxpct(mp, in->imaxpct);  in xfs_growfs_data()
305 	if (in->newblocks != mp->m_sb.sb_dblocks) {  in xfs_growfs_data()
306 		error = xfs_growfs_data_private(mp, in);  in xfs_growfs_data()
312 	if (mp->m_sb.sb_imax_pct) {  in xfs_growfs_data()
313 		uint64_t icount = mp->m_sb.sb_dblocks * mp->m_sb.sb_imax_pct;  in xfs_growfs_data()
315 		M_IGEO(mp)->maxicount = XFS_FSB_TO_INO(mp, icount);  in xfs_growfs_data()
317 		M_IGEO(mp)->maxicount = 0;  in xfs_growfs_data()
320 	error = xfs_update_secondary_sbs(mp);  in xfs_growfs_data()
328 	mp->m_generation++;  in xfs_growfs_data()
329 	mutex_unlock(&mp->m_growlock);  in xfs_growfs_data()
335 	xfs_mount_t		*mp,  in xfs_growfs_log()  argument
342 	if (!mutex_trylock(&mp->m_growlock))  in xfs_growfs_log()
344 	error = xfs_growfs_log_private(mp, in);  in xfs_growfs_log()
345 	mutex_unlock(&mp->m_growlock);  in xfs_growfs_log()
356 	struct xfs_mount	*mp,  in xfs_reserve_blocks()  argument
374 	spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
382 	if (mp->m_resblks > request) {  in xfs_reserve_blocks()
383 		lcounter = mp->m_resblks_avail - request;  in xfs_reserve_blocks()
386 			mp->m_resblks_avail -= lcounter;  in xfs_reserve_blocks()
388 		mp->m_resblks = request;  in xfs_reserve_blocks()
390 			spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
391 			xfs_add_fdblocks(mp, fdblks_delta);  in xfs_reserve_blocks()
392 			spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
410 	free = percpu_counter_sum(&mp->m_fdblocks) -  in xfs_reserve_blocks()
411 						xfs_fdblocks_unavailable(mp);  in xfs_reserve_blocks()
412 	delta = request - mp->m_resblks;  in xfs_reserve_blocks()
413 	mp->m_resblks = request;  in xfs_reserve_blocks()
426 		spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
427 		error = xfs_dec_fdblocks(mp, fdblks_delta, 0);  in xfs_reserve_blocks()
429 			xfs_add_fdblocks(mp, fdblks_delta);  in xfs_reserve_blocks()
430 		spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
433 	spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
439 	xfs_mount_t	*mp,  in xfs_fs_goingdown()  argument
444 		if (!bdev_freeze(mp->m_super->s_bdev)) {  in xfs_fs_goingdown()
445 			xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);  in xfs_fs_goingdown()
446 			bdev_thaw(mp->m_super->s_bdev);  in xfs_fs_goingdown()
451 		xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);  in xfs_fs_goingdown()
454 		xfs_force_shutdown(mp,  in xfs_fs_goingdown()
477 	struct xfs_mount *mp,  in xfs_do_force_shutdown()  argument
486 	if (xfs_set_shutdown(mp)) {  in xfs_do_force_shutdown()
487 		xlog_shutdown_wait(mp->m_log);  in xfs_do_force_shutdown()
490 	if (mp->m_sb_bp)  in xfs_do_force_shutdown()
491 		mp->m_sb_bp->b_flags |= XBF_DONE;  in xfs_do_force_shutdown()
494 		xfs_alert(mp, "User initiated shutdown received.");  in xfs_do_force_shutdown()
496 	if (xlog_force_shutdown(mp->m_log, flags)) {  in xfs_do_force_shutdown()
513 	trace_xfs_force_shutdown(mp, tag, flags, fname, lnnum);  in xfs_do_force_shutdown()
515 	xfs_alert_tag(mp, tag,  in xfs_do_force_shutdown()
518 	xfs_alert(mp,  in xfs_do_force_shutdown()
529 	struct xfs_mount	*mp)  in xfs_fs_reserve_ag_blocks()  argument
536 	mp->m_finobt_nores = false;  in xfs_fs_reserve_ag_blocks()
537 	for_each_perag(mp, agno, pag) {  in xfs_fs_reserve_ag_blocks()
544 		xfs_warn(mp,  in xfs_fs_reserve_ag_blocks()
546 		xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);  in xfs_fs_reserve_ag_blocks()
557 	struct xfs_mount	*mp)  in xfs_fs_unreserve_ag_blocks()  argument
562 	for_each_perag(mp, agno, pag)  in xfs_fs_unreserve_ag_blocks()