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()
137 	oagcount = mp->m_sb.sb_agcount;  in xfs_growfs_data_private()
140 		error = xfs_initialize_perag(mp, nagcount, nb, &nagimax);  in xfs_growfs_data_private()
149 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata,  in xfs_growfs_data_private()
150 				XFS_GROWFS_SPACE_RES(mp), 0, XFS_TRANS_RESERVE,  in xfs_growfs_data_private()
153 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata, -delta, 0,  in xfs_growfs_data_private()
158 	last_pag = xfs_perag_get(mp, oagcount - 1);  in xfs_growfs_data_private()
163 		xfs_warn_mount(mp, XFS_OPSTATE_WARNED_SHRINK,  in xfs_growfs_data_private()
189 	if (xfs_has_lazysbcount(mp))  in xfs_growfs_data_private()
199 		mp->m_maxagi = nagimax;  in xfs_growfs_data_private()
200 	xfs_set_low_space_thresholds(mp);  in xfs_growfs_data_private()
201 	mp->m_alloc_set_aside = xfs_alloc_set_aside(mp);  in xfs_growfs_data_private()
211 			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()
235 	struct xfs_mount	*mp,	/* mount point for filesystem */  in xfs_growfs_log_private()  argument
241 	if (nb < XFS_MIN_LOG_BLOCKS || nb < XFS_B_TO_FSB(mp, XFS_MIN_LOG_BYTES))  in xfs_growfs_log_private()
243 	if (nb == mp->m_sb.sb_logblocks &&  in xfs_growfs_log_private()
244 	    in->isint == (mp->m_sb.sb_logstart != 0))  in xfs_growfs_log_private()
257 	struct xfs_mount	*mp,  in xfs_growfs_imaxpct()  argument
267 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growdata,  in xfs_growfs_imaxpct()
268 			XFS_GROWFS_SPACE_RES(mp), 0, XFS_TRANS_RESERVE, &tp);  in xfs_growfs_imaxpct()
272 	dpct = imaxpct - mp->m_sb.sb_imax_pct;  in xfs_growfs_imaxpct()
285 	struct xfs_mount	*mp,  in xfs_growfs_data()  argument
292 	if (!mutex_trylock(&mp->m_growlock))  in xfs_growfs_data()
296 	if (in->imaxpct != mp->m_sb.sb_imax_pct) {  in xfs_growfs_data()
297 		error = xfs_growfs_imaxpct(mp, in->imaxpct);  in xfs_growfs_data()
302 	if (in->newblocks != mp->m_sb.sb_dblocks) {  in xfs_growfs_data()
303 		error = xfs_growfs_data_private(mp, in);  in xfs_growfs_data()
309 	if (mp->m_sb.sb_imax_pct) {  in xfs_growfs_data()
310 		uint64_t icount = mp->m_sb.sb_dblocks * mp->m_sb.sb_imax_pct;  in xfs_growfs_data()
312 		M_IGEO(mp)->maxicount = XFS_FSB_TO_INO(mp, icount);  in xfs_growfs_data()
314 		M_IGEO(mp)->maxicount = 0;  in xfs_growfs_data()
317 	error = xfs_update_secondary_sbs(mp);  in xfs_growfs_data()
325 	mp->m_generation++;  in xfs_growfs_data()
326 	mutex_unlock(&mp->m_growlock);  in xfs_growfs_data()
332 	xfs_mount_t		*mp,  in xfs_growfs_log()  argument
339 	if (!mutex_trylock(&mp->m_growlock))  in xfs_growfs_log()
341 	error = xfs_growfs_log_private(mp, in);  in xfs_growfs_log()
342 	mutex_unlock(&mp->m_growlock);  in xfs_growfs_log()
352 	xfs_mount_t		*mp,  in xfs_fs_counts()  argument
355 	cnt->allocino = percpu_counter_read_positive(&mp->m_icount);  in xfs_fs_counts()
356 	cnt->freeino = percpu_counter_read_positive(&mp->m_ifree);  in xfs_fs_counts()
357 	cnt->freedata = percpu_counter_read_positive(&mp->m_fdblocks) -  in xfs_fs_counts()
358 						xfs_fdblocks_unavailable(mp);  in xfs_fs_counts()
359 	cnt->freertx = percpu_counter_read_positive(&mp->m_frextents);  in xfs_fs_counts()
379 	xfs_mount_t             *mp,  in xfs_reserve_blocks()  argument
393 		outval->resblks = mp->m_resblks;  in xfs_reserve_blocks()
394 		outval->resblks_avail = mp->m_resblks_avail;  in xfs_reserve_blocks()
410 	spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
418 	if (mp->m_resblks > request) {  in xfs_reserve_blocks()
419 		lcounter = mp->m_resblks_avail - request;  in xfs_reserve_blocks()
422 			mp->m_resblks_avail -= lcounter;  in xfs_reserve_blocks()
424 		mp->m_resblks = request;  in xfs_reserve_blocks()
426 			spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
427 			error = xfs_mod_fdblocks(mp, fdblks_delta, 0);  in xfs_reserve_blocks()
428 			spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
446 	free = percpu_counter_sum(&mp->m_fdblocks) -  in xfs_reserve_blocks()
447 						xfs_fdblocks_unavailable(mp);  in xfs_reserve_blocks()
448 	delta = request - mp->m_resblks;  in xfs_reserve_blocks()
449 	mp->m_resblks = request;  in xfs_reserve_blocks()
462 		spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
463 		error = xfs_mod_fdblocks(mp, -fdblks_delta, 0);  in xfs_reserve_blocks()
465 			xfs_mod_fdblocks(mp, fdblks_delta, 0);  in xfs_reserve_blocks()
466 		spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
470 		outval->resblks = mp->m_resblks;  in xfs_reserve_blocks()
471 		outval->resblks_avail = mp->m_resblks_avail;  in xfs_reserve_blocks()
474 	spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
480 	xfs_mount_t	*mp,  in xfs_fs_goingdown()  argument
485 		if (!freeze_bdev(mp->m_super->s_bdev)) {  in xfs_fs_goingdown()
486 			xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);  in xfs_fs_goingdown()
487 			thaw_bdev(mp->m_super->s_bdev);  in xfs_fs_goingdown()
492 		xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);  in xfs_fs_goingdown()
495 		xfs_force_shutdown(mp,  in xfs_fs_goingdown()
518 	struct xfs_mount *mp,  in xfs_do_force_shutdown()  argument
527 	if (test_and_set_bit(XFS_OPSTATE_SHUTDOWN, &mp->m_opstate)) {  in xfs_do_force_shutdown()
528 		xlog_shutdown_wait(mp->m_log);  in xfs_do_force_shutdown()
531 	if (mp->m_sb_bp)  in xfs_do_force_shutdown()
532 		mp->m_sb_bp->b_flags |= XBF_DONE;  in xfs_do_force_shutdown()
535 		xfs_alert(mp, "User initiated shutdown received.");  in xfs_do_force_shutdown()
537 	if (xlog_force_shutdown(mp->m_log, flags)) {  in xfs_do_force_shutdown()
554 	trace_xfs_force_shutdown(mp, tag, flags, fname, lnnum);  in xfs_do_force_shutdown()
556 	xfs_alert_tag(mp, tag,  in xfs_do_force_shutdown()
559 	xfs_alert(mp,  in xfs_do_force_shutdown()
570 	struct xfs_mount	*mp)  in xfs_fs_reserve_ag_blocks()  argument
577 	mp->m_finobt_nores = false;  in xfs_fs_reserve_ag_blocks()
578 	for_each_perag(mp, agno, pag) {  in xfs_fs_reserve_ag_blocks()
585 		xfs_warn(mp,  in xfs_fs_reserve_ag_blocks()
587 		xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);  in xfs_fs_reserve_ag_blocks()
598 	struct xfs_mount	*mp)  in xfs_fs_unreserve_ag_blocks()  argument
605 	for_each_perag(mp, agno, pag) {  in xfs_fs_unreserve_ag_blocks()
612 		xfs_warn(mp,  in xfs_fs_unreserve_ag_blocks()