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
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()
141 	oagcount = mp->m_sb.sb_agcount;  in xfs_growfs_data_private()
144 		error = xfs_initialize_perag(mp, nagcount, nb, &nagimax);  in xfs_growfs_data_private()
153 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata,  in xfs_growfs_data_private()
154 				XFS_GROWFS_SPACE_RES(mp), 0, XFS_TRANS_RESERVE,  in xfs_growfs_data_private()
157 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata, -delta, 0,  in xfs_growfs_data_private()
162 	last_pag = xfs_perag_get(mp, oagcount - 1);  in xfs_growfs_data_private()
167 		xfs_warn_mount(mp, XFS_OPSTATE_WARNED_SHRINK,  in xfs_growfs_data_private()
193 	if (xfs_has_lazysbcount(mp))  in xfs_growfs_data_private()
203 		mp->m_maxagi = nagimax;  in xfs_growfs_data_private()
204 	xfs_set_low_space_thresholds(mp);  in xfs_growfs_data_private()
205 	mp->m_alloc_set_aside = xfs_alloc_set_aside(mp);  in xfs_growfs_data_private()
215 			pag = xfs_perag_get(mp, id.agno);  in xfs_growfs_data_private()
226 		error = xfs_fs_reserve_ag_blocks(mp);  in xfs_growfs_data_private()
236 		xfs_free_unused_perag_range(mp, oagcount, nagcount);  in xfs_growfs_data_private()
242 	struct xfs_mount	*mp,	/* mount point for filesystem */  in xfs_growfs_log_private()  argument
248 	if (nb < XFS_MIN_LOG_BLOCKS || nb < XFS_B_TO_FSB(mp, XFS_MIN_LOG_BYTES))  in xfs_growfs_log_private()
250 	if (nb == mp->m_sb.sb_logblocks &&  in xfs_growfs_log_private()
251 	    in->isint == (mp->m_sb.sb_logstart != 0))  in xfs_growfs_log_private()
264 	struct xfs_mount	*mp,  in xfs_growfs_imaxpct()  argument
274 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata,  in xfs_growfs_imaxpct()
275 			XFS_GROWFS_SPACE_RES(mp), 0, XFS_TRANS_RESERVE, &tp);  in xfs_growfs_imaxpct()
279 	dpct = imaxpct - mp->m_sb.sb_imax_pct;  in xfs_growfs_imaxpct()
292 	struct xfs_mount	*mp,  in xfs_growfs_data()  argument
299 	if (!mutex_trylock(&mp->m_growlock))  in xfs_growfs_data()
303 	if (in->imaxpct != mp->m_sb.sb_imax_pct) {  in xfs_growfs_data()
304 		error = xfs_growfs_imaxpct(mp, in->imaxpct);  in xfs_growfs_data()
309 	if (in->newblocks != mp->m_sb.sb_dblocks) {  in xfs_growfs_data()
310 		error = xfs_growfs_data_private(mp, in);  in xfs_growfs_data()
316 	if (mp->m_sb.sb_imax_pct) {  in xfs_growfs_data()
317 		uint64_t icount = mp->m_sb.sb_dblocks * mp->m_sb.sb_imax_pct;  in xfs_growfs_data()
319 		M_IGEO(mp)->maxicount = XFS_FSB_TO_INO(mp, icount);  in xfs_growfs_data()
321 		M_IGEO(mp)->maxicount = 0;  in xfs_growfs_data()
324 	error = xfs_update_secondary_sbs(mp);  in xfs_growfs_data()
332 	mp->m_generation++;  in xfs_growfs_data()
333 	mutex_unlock(&mp->m_growlock);  in xfs_growfs_data()
339 	xfs_mount_t		*mp,  in xfs_growfs_log()  argument
346 	if (!mutex_trylock(&mp->m_growlock))  in xfs_growfs_log()
348 	error = xfs_growfs_log_private(mp, in);  in xfs_growfs_log()
349 	mutex_unlock(&mp->m_growlock);  in xfs_growfs_log()
359 	xfs_mount_t		*mp,  in xfs_fs_counts()  argument
362 	cnt->allocino = percpu_counter_read_positive(&mp->m_icount);  in xfs_fs_counts()
363 	cnt->freeino = percpu_counter_read_positive(&mp->m_ifree);  in xfs_fs_counts()
364 	cnt->freedata = percpu_counter_read_positive(&mp->m_fdblocks) -  in xfs_fs_counts()
365 						xfs_fdblocks_unavailable(mp);  in xfs_fs_counts()
366 	cnt->freertx = percpu_counter_read_positive(&mp->m_frextents);  in xfs_fs_counts()
386 	xfs_mount_t             *mp,  in xfs_reserve_blocks()  argument
400 		outval->resblks = mp->m_resblks;  in xfs_reserve_blocks()
401 		outval->resblks_avail = mp->m_resblks_avail;  in xfs_reserve_blocks()
417 	spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
425 	if (mp->m_resblks > request) {  in xfs_reserve_blocks()
426 		lcounter = mp->m_resblks_avail - request;  in xfs_reserve_blocks()
429 			mp->m_resblks_avail -= lcounter;  in xfs_reserve_blocks()
431 		mp->m_resblks = request;  in xfs_reserve_blocks()
433 			spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
434 			error = xfs_mod_fdblocks(mp, fdblks_delta, 0);  in xfs_reserve_blocks()
435 			spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
453 	free = percpu_counter_sum(&mp->m_fdblocks) -  in xfs_reserve_blocks()
454 						xfs_fdblocks_unavailable(mp);  in xfs_reserve_blocks()
455 	delta = request - mp->m_resblks;  in xfs_reserve_blocks()
456 	mp->m_resblks = request;  in xfs_reserve_blocks()
469 		spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
470 		error = xfs_mod_fdblocks(mp, -fdblks_delta, 0);  in xfs_reserve_blocks()
472 			xfs_mod_fdblocks(mp, fdblks_delta, 0);  in xfs_reserve_blocks()
473 		spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
477 		outval->resblks = mp->m_resblks;  in xfs_reserve_blocks()
478 		outval->resblks_avail = mp->m_resblks_avail;  in xfs_reserve_blocks()
481 	spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
487 	xfs_mount_t	*mp,  in xfs_fs_goingdown()  argument
492 		if (!freeze_bdev(mp->m_super->s_bdev)) {  in xfs_fs_goingdown()
493 			xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);  in xfs_fs_goingdown()
494 			thaw_bdev(mp->m_super->s_bdev);  in xfs_fs_goingdown()
499 		xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);  in xfs_fs_goingdown()
502 		xfs_force_shutdown(mp,  in xfs_fs_goingdown()
525 	struct xfs_mount *mp,  in xfs_do_force_shutdown()  argument
534 	if (test_and_set_bit(XFS_OPSTATE_SHUTDOWN, &mp->m_opstate)) {  in xfs_do_force_shutdown()
535 		xlog_shutdown_wait(mp->m_log);  in xfs_do_force_shutdown()
538 	if (mp->m_sb_bp)  in xfs_do_force_shutdown()
539 		mp->m_sb_bp->b_flags |= XBF_DONE;  in xfs_do_force_shutdown()
542 		xfs_alert(mp, "User initiated shutdown received.");  in xfs_do_force_shutdown()
544 	if (xlog_force_shutdown(mp->m_log, flags)) {  in xfs_do_force_shutdown()
561 	trace_xfs_force_shutdown(mp, tag, flags, fname, lnnum);  in xfs_do_force_shutdown()
563 	xfs_alert_tag(mp, tag,  in xfs_do_force_shutdown()
566 	xfs_alert(mp,  in xfs_do_force_shutdown()
577 	struct xfs_mount	*mp)  in xfs_fs_reserve_ag_blocks()  argument
584 	mp->m_finobt_nores = false;  in xfs_fs_reserve_ag_blocks()
585 	for_each_perag(mp, agno, pag) {  in xfs_fs_reserve_ag_blocks()
592 		xfs_warn(mp,  in xfs_fs_reserve_ag_blocks()
594 		xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);  in xfs_fs_reserve_ag_blocks()
605 	struct xfs_mount	*mp)  in xfs_fs_unreserve_ag_blocks()  argument
612 	for_each_perag(mp, agno, pag) {  in xfs_fs_unreserve_ag_blocks()
619 		xfs_warn(mp,  in xfs_fs_unreserve_ag_blocks()