50 	xfs_mount_t		*mp,  in xfs_fs_geometry()  argument
57 	geo->blocksize = mp->m_sb.sb_blocksize;  in xfs_fs_geometry()
58 	geo->rtextsize = mp->m_sb.sb_rextsize;  in xfs_fs_geometry()
59 	geo->agblocks = mp->m_sb.sb_agblocks;  in xfs_fs_geometry()
60 	geo->agcount = mp->m_sb.sb_agcount;  in xfs_fs_geometry()
61 	geo->logblocks = mp->m_sb.sb_logblocks;  in xfs_fs_geometry()
62 	geo->sectsize = mp->m_sb.sb_sectsize;  in xfs_fs_geometry()
63 	geo->inodesize = mp->m_sb.sb_inodesize;  in xfs_fs_geometry()
64 	geo->imaxpct = mp->m_sb.sb_imax_pct;  in xfs_fs_geometry()
65 	geo->datablocks = mp->m_sb.sb_dblocks;  in xfs_fs_geometry()
66 	geo->rtblocks = mp->m_sb.sb_rblocks;  in xfs_fs_geometry()
67 	geo->rtextents = mp->m_sb.sb_rextents;  in xfs_fs_geometry()
68 	geo->logstart = mp->m_sb.sb_logstart;  in xfs_fs_geometry()
69 	ASSERT(sizeof(geo->uuid)==sizeof(mp->m_sb.sb_uuid));  in xfs_fs_geometry()
70 	memcpy(geo->uuid, &mp->m_sb.sb_uuid, sizeof(mp->m_sb.sb_uuid));  in xfs_fs_geometry()
72 		geo->sunit = mp->m_sb.sb_unit;  in xfs_fs_geometry()
73 		geo->swidth = mp->m_sb.sb_width;  in xfs_fs_geometry()
79 			(xfs_sb_version_hasattr(&mp->m_sb) ?  in xfs_fs_geometry()
81 			(xfs_sb_version_hasquota(&mp->m_sb) ?  in xfs_fs_geometry()
83 			(xfs_sb_version_hasalign(&mp->m_sb) ?  in xfs_fs_geometry()
85 			(xfs_sb_version_hasdalign(&mp->m_sb) ?  in xfs_fs_geometry()
87 			(xfs_sb_version_hasextflgbit(&mp->m_sb) ?  in xfs_fs_geometry()
89 			(xfs_sb_version_hassector(&mp->m_sb) ?  in xfs_fs_geometry()
91 			(xfs_sb_version_hasasciici(&mp->m_sb) ?  in xfs_fs_geometry()
93 			(xfs_sb_version_haslazysbcount(&mp->m_sb) ?  in xfs_fs_geometry()
95 			(xfs_sb_version_hasattr2(&mp->m_sb) ?  in xfs_fs_geometry()
97 			(xfs_sb_version_hasprojid32bit(&mp->m_sb) ?  in xfs_fs_geometry()
99 			(xfs_sb_version_hascrc(&mp->m_sb) ?  in xfs_fs_geometry()
101 			(xfs_sb_version_hasftype(&mp->m_sb) ?  in xfs_fs_geometry()
103 			(xfs_sb_version_hasfinobt(&mp->m_sb) ?  in xfs_fs_geometry()
105 			(xfs_sb_version_hassparseinodes(&mp->m_sb) ?  in xfs_fs_geometry()
107 		geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ?  in xfs_fs_geometry()
108 				mp->m_sb.sb_logsectsize : BBSIZE;  in xfs_fs_geometry()
109 		geo->rtsectsize = mp->m_sb.sb_blocksize;  in xfs_fs_geometry()
110 		geo->dirblocksize = mp->m_dir_geo->blksize;  in xfs_fs_geometry()
114 			(xfs_sb_version_haslogv2(&mp->m_sb) ?  in xfs_fs_geometry()
116 		geo->logsunit = mp->m_sb.sb_logsunit;  in xfs_fs_geometry()
123 	struct xfs_mount	*mp,  in xfs_growfs_get_hdr_buf()  argument
131 	bp = xfs_buf_get_uncached(mp->m_ddev_targp, numblks, flags);  in xfs_growfs_get_hdr_buf()
145 	xfs_mount_t		*mp,		/* mount point for filesystem */  in xfs_growfs_data_private()  argument
170 	if (nb < mp->m_sb.sb_dblocks || pct < 0 || pct > 100)  in xfs_growfs_data_private()
172 	if ((error = xfs_sb_validate_fsb_count(&mp->m_sb, nb)))  in xfs_growfs_data_private()
174 	dpct = pct - mp->m_sb.sb_imax_pct;  in xfs_growfs_data_private()
175 	error = xfs_buf_read_uncached(mp->m_ddev_targp,  in xfs_growfs_data_private()
176 				XFS_FSB_TO_BB(mp, nb) - XFS_FSS_TO_BB(mp, 1),  in xfs_growfs_data_private()
177 				XFS_FSS_TO_BB(mp, 1), 0, &bp, NULL);  in xfs_growfs_data_private()
183 	nb_mod = do_div(new, mp->m_sb.sb_agblocks);  in xfs_growfs_data_private()
187 		nb = (xfs_rfsblock_t)nagcount * mp->m_sb.sb_agblocks;  in xfs_growfs_data_private()
188 		if (nb < mp->m_sb.sb_dblocks)  in xfs_growfs_data_private()
191 	new = nb - mp->m_sb.sb_dblocks;  in xfs_growfs_data_private()
192 	oagcount = mp->m_sb.sb_agcount;  in xfs_growfs_data_private()
196 		error = xfs_initialize_perag(mp, nagcount, &nagimax);  in xfs_growfs_data_private()
201 	tp = xfs_trans_alloc(mp, XFS_TRANS_GROWFS);  in xfs_growfs_data_private()
203 	error = xfs_trans_reserve(tp, &M_RES(mp)->tr_growdata,  in xfs_growfs_data_private()
204 				  XFS_GROWFS_SPACE_RES(mp), 0);  in xfs_growfs_data_private()
222 		bp = xfs_growfs_get_hdr_buf(mp,  in xfs_growfs_data_private()
223 				XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)),  in xfs_growfs_data_private()
224 				XFS_FSS_TO_BB(mp, 1), 0,  in xfs_growfs_data_private()
238 				(agno * (xfs_rfsblock_t)mp->m_sb.sb_agblocks);  in xfs_growfs_data_private()
240 			agsize = mp->m_sb.sb_agblocks;  in xfs_growfs_data_private()
242 		agf->agf_roots[XFS_BTNUM_BNOi] = cpu_to_be32(XFS_BNO_BLOCK(mp));  in xfs_growfs_data_private()
243 		agf->agf_roots[XFS_BTNUM_CNTi] = cpu_to_be32(XFS_CNT_BLOCK(mp));  in xfs_growfs_data_private()
249 		tmpsize = agsize - XFS_PREALLOC_BLOCKS(mp);  in xfs_growfs_data_private()
252 		if (xfs_sb_version_hascrc(&mp->m_sb))  in xfs_growfs_data_private()
253 			uuid_copy(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid);  in xfs_growfs_data_private()
263 		bp = xfs_growfs_get_hdr_buf(mp,  in xfs_growfs_data_private()
264 				XFS_AG_DADDR(mp, agno, XFS_AGFL_DADDR(mp)),  in xfs_growfs_data_private()
265 				XFS_FSS_TO_BB(mp, 1), 0,  in xfs_growfs_data_private()
273 		if (xfs_sb_version_hascrc(&mp->m_sb)) {  in xfs_growfs_data_private()
276 			uuid_copy(&agfl->agfl_uuid, &mp->m_sb.sb_meta_uuid);  in xfs_growfs_data_private()
279 		agfl_bno = XFS_BUF_TO_AGFL_BNO(mp, bp);  in xfs_growfs_data_private()
280 		for (bucket = 0; bucket < XFS_AGFL_SIZE(mp); bucket++)  in xfs_growfs_data_private()
291 		bp = xfs_growfs_get_hdr_buf(mp,  in xfs_growfs_data_private()
292 				XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)),  in xfs_growfs_data_private()
293 				XFS_FSS_TO_BB(mp, 1), 0,  in xfs_growfs_data_private()
306 		agi->agi_root = cpu_to_be32(XFS_IBT_BLOCK(mp));  in xfs_growfs_data_private()
311 		if (xfs_sb_version_hascrc(&mp->m_sb))  in xfs_growfs_data_private()
312 			uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_meta_uuid);  in xfs_growfs_data_private()
313 		if (xfs_sb_version_hasfinobt(&mp->m_sb)) {  in xfs_growfs_data_private()
314 			agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp));  in xfs_growfs_data_private()
328 		bp = xfs_growfs_get_hdr_buf(mp,  in xfs_growfs_data_private()
329 				XFS_AGB_TO_DADDR(mp, agno, XFS_BNO_BLOCK(mp)),  in xfs_growfs_data_private()
330 				BTOBB(mp->m_sb.sb_blocksize), 0,  in xfs_growfs_data_private()
338 		if (xfs_sb_version_hascrc(&mp->m_sb))  in xfs_growfs_data_private()
339 			xfs_btree_init_block(mp, bp, XFS_ABTB_CRC_MAGIC, 0, 1,  in xfs_growfs_data_private()
342 			xfs_btree_init_block(mp, bp, XFS_ABTB_MAGIC, 0, 1,  in xfs_growfs_data_private()
345 		arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1);  in xfs_growfs_data_private()
346 		arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp));  in xfs_growfs_data_private()
358 		bp = xfs_growfs_get_hdr_buf(mp,  in xfs_growfs_data_private()
359 				XFS_AGB_TO_DADDR(mp, agno, XFS_CNT_BLOCK(mp)),  in xfs_growfs_data_private()
360 				BTOBB(mp->m_sb.sb_blocksize), 0,  in xfs_growfs_data_private()
367 		if (xfs_sb_version_hascrc(&mp->m_sb))  in xfs_growfs_data_private()
368 			xfs_btree_init_block(mp, bp, XFS_ABTC_CRC_MAGIC, 0, 1,  in xfs_growfs_data_private()
371 			xfs_btree_init_block(mp, bp, XFS_ABTC_MAGIC, 0, 1,  in xfs_growfs_data_private()
374 		arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1);  in xfs_growfs_data_private()
375 		arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp));  in xfs_growfs_data_private()
388 		bp = xfs_growfs_get_hdr_buf(mp,  in xfs_growfs_data_private()
389 				XFS_AGB_TO_DADDR(mp, agno, XFS_IBT_BLOCK(mp)),  in xfs_growfs_data_private()
390 				BTOBB(mp->m_sb.sb_blocksize), 0,  in xfs_growfs_data_private()
397 		if (xfs_sb_version_hascrc(&mp->m_sb))  in xfs_growfs_data_private()
398 			xfs_btree_init_block(mp, bp, XFS_IBT_CRC_MAGIC, 0, 0,  in xfs_growfs_data_private()
401 			xfs_btree_init_block(mp, bp, XFS_IBT_MAGIC, 0, 0,  in xfs_growfs_data_private()
412 		if (xfs_sb_version_hasfinobt(&mp->m_sb)) {  in xfs_growfs_data_private()
413 			bp = xfs_growfs_get_hdr_buf(mp,  in xfs_growfs_data_private()
414 				XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)),  in xfs_growfs_data_private()
415 				BTOBB(mp->m_sb.sb_blocksize), 0,  in xfs_growfs_data_private()
422 			if (xfs_sb_version_hascrc(&mp->m_sb))  in xfs_growfs_data_private()
423 				xfs_btree_init_block(mp, bp, XFS_FIBT_CRC_MAGIC,  in xfs_growfs_data_private()
427 				xfs_btree_init_block(mp, bp, XFS_FIBT_MAGIC, 0,  in xfs_growfs_data_private()
445 		error = xfs_ialloc_read_agi(mp, tp, agno, &bp);  in xfs_growfs_data_private()
453 		       be32_to_cpu(agi->agi_length) == mp->m_sb.sb_agblocks);  in xfs_growfs_data_private()
458 		error = xfs_alloc_read_agf(mp, tp, agno, 0, &bp);  in xfs_growfs_data_private()
472 		error = xfs_free_extent(tp, XFS_AGB_TO_FSB(mp, agno,  in xfs_growfs_data_private()
486 	if (nb > mp->m_sb.sb_dblocks)  in xfs_growfs_data_private()
488 				 nb - mp->m_sb.sb_dblocks);  in xfs_growfs_data_private()
500 		mp->m_maxagi = nagimax;  in xfs_growfs_data_private()
501 	if (mp->m_sb.sb_imax_pct) {  in xfs_growfs_data_private()
502 		__uint64_t icount = mp->m_sb.sb_dblocks * mp->m_sb.sb_imax_pct;  in xfs_growfs_data_private()
504 		mp->m_maxicount = icount << mp->m_sb.sb_inopblog;  in xfs_growfs_data_private()
506 		mp->m_maxicount = 0;  in xfs_growfs_data_private()
507 	xfs_set_low_space_thresholds(mp);  in xfs_growfs_data_private()
518 			error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp,  in xfs_growfs_data_private()
519 				  XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)),  in xfs_growfs_data_private()
520 				  XFS_FSS_TO_BB(mp, 1), 0, &bp,  in xfs_growfs_data_private()
523 			bp = xfs_trans_get_buf(NULL, mp->m_ddev_targp,  in xfs_growfs_data_private()
524 				  XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)),  in xfs_growfs_data_private()
525 				  XFS_FSS_TO_BB(mp, 1), 0);  in xfs_growfs_data_private()
541 			xfs_warn(mp,  in xfs_growfs_data_private()
547 		xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb);  in xfs_growfs_data_private()
552 			xfs_warn(mp,  in xfs_growfs_data_private()
568 	xfs_mount_t		*mp,	/* mount point for filesystem */  in xfs_growfs_log_private()  argument
574 	if (nb < XFS_MIN_LOG_BLOCKS || nb < XFS_B_TO_FSB(mp, XFS_MIN_LOG_BYTES))  in xfs_growfs_log_private()
576 	if (nb == mp->m_sb.sb_logblocks &&  in xfs_growfs_log_private()
577 	    in->isint == (mp->m_sb.sb_logstart != 0))  in xfs_growfs_log_private()
597 	xfs_mount_t		*mp,  in xfs_growfs_data()  argument
604 	if (!mutex_trylock(&mp->m_growlock))  in xfs_growfs_data()
606 	error = xfs_growfs_data_private(mp, in);  in xfs_growfs_data()
612 	mp->m_generation++;  in xfs_growfs_data()
613 	mutex_unlock(&mp->m_growlock);  in xfs_growfs_data()
619 	xfs_mount_t		*mp,  in xfs_growfs_log()  argument
626 	if (!mutex_trylock(&mp->m_growlock))  in xfs_growfs_log()
628 	error = xfs_growfs_log_private(mp, in);  in xfs_growfs_log()
629 	mutex_unlock(&mp->m_growlock);  in xfs_growfs_log()
639 	xfs_mount_t		*mp,  in xfs_fs_counts()  argument
642 	cnt->allocino = percpu_counter_read_positive(&mp->m_icount);  in xfs_fs_counts()
643 	cnt->freeino = percpu_counter_read_positive(&mp->m_ifree);  in xfs_fs_counts()
644 	cnt->freedata = percpu_counter_read_positive(&mp->m_fdblocks) -  in xfs_fs_counts()
645 							XFS_ALLOC_SET_ASIDE(mp);  in xfs_fs_counts()
647 	spin_lock(&mp->m_sb_lock);  in xfs_fs_counts()
648 	cnt->freertx = mp->m_sb.sb_frextents;  in xfs_fs_counts()
649 	spin_unlock(&mp->m_sb_lock);  in xfs_fs_counts()
670 	xfs_mount_t             *mp,  in xfs_reserve_blocks()  argument
681 		outval->resblks = mp->m_resblks;  in xfs_reserve_blocks()
682 		outval->resblks_avail = mp->m_resblks_avail;  in xfs_reserve_blocks()
700 	spin_lock(&mp->m_sb_lock);  in xfs_reserve_blocks()
707 	if (mp->m_resblks > request) {  in xfs_reserve_blocks()
708 		lcounter = mp->m_resblks_avail - request;  in xfs_reserve_blocks()
711 			mp->m_resblks_avail -= lcounter;  in xfs_reserve_blocks()
713 		mp->m_resblks = request;  in xfs_reserve_blocks()
717 		free = percpu_counter_sum(&mp->m_fdblocks) -  in xfs_reserve_blocks()
718 							XFS_ALLOC_SET_ASIDE(mp);  in xfs_reserve_blocks()
722 		delta = request - mp->m_resblks;  in xfs_reserve_blocks()
726 			mp->m_resblks += free;  in xfs_reserve_blocks()
727 			mp->m_resblks_avail += free;  in xfs_reserve_blocks()
731 			mp->m_resblks = request;  in xfs_reserve_blocks()
732 			mp->m_resblks_avail += delta;  in xfs_reserve_blocks()
737 		outval->resblks = mp->m_resblks;  in xfs_reserve_blocks()
738 		outval->resblks_avail = mp->m_resblks_avail;  in xfs_reserve_blocks()
740 	spin_unlock(&mp->m_sb_lock);  in xfs_reserve_blocks()
757 		error = xfs_mod_fdblocks(mp, fdblks_delta, 0);  in xfs_reserve_blocks()
766 	xfs_mount_t	*mp,  in xfs_fs_goingdown()  argument
771 		struct super_block *sb = freeze_bdev(mp->m_super->s_bdev);  in xfs_fs_goingdown()
774 			xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);  in xfs_fs_goingdown()
781 		xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);  in xfs_fs_goingdown()
784 		xfs_force_shutdown(mp,  in xfs_fs_goingdown()
802 	xfs_mount_t	*mp,  in xfs_do_force_shutdown()  argument
812 		xfs_notice(mp,  in xfs_do_force_shutdown()
819 	if (XFS_FORCED_SHUTDOWN(mp) && !logerror)  in xfs_do_force_shutdown()
828 	if (xfs_log_force_umount(mp, logerror))  in xfs_do_force_shutdown()
832 		xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_CORRUPT,  in xfs_do_force_shutdown()
838 			xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_LOGERROR,  in xfs_do_force_shutdown()
841 			xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_IOERROR,  in xfs_do_force_shutdown()
844 			xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_IOERROR,  in xfs_do_force_shutdown()
849 		xfs_alert(mp,  in xfs_do_force_shutdown()