19 int reiserfs_resize(struct super_block *s, unsigned long block_count_new)  in reiserfs_resize()  argument
25 	struct reiserfs_bitmap_info *old_bitmap = SB_AP_BITMAP(s);  in reiserfs_resize()
39 	sb = SB_DISK_SUPER_BLOCK(s);  in reiserfs_resize()
41 	if (SB_BLOCK_COUNT(s) >= block_count_new) {  in reiserfs_resize()
47 	depth = reiserfs_write_unlock_nested(s);  in reiserfs_resize()
48 	bh = sb_bread(s, block_count_new - 1);  in reiserfs_resize()
49 	reiserfs_write_lock_nested(s, depth);  in reiserfs_resize()
60 	if (SB_BUFFER_WITH_SB(s)->b_blocknr * SB_BUFFER_WITH_SB(s)->b_size  in reiserfs_resize()
68 	block_r = SB_BLOCK_COUNT(s) -  in reiserfs_resize()
69 			(reiserfs_bmap_count(s) - 1) * s->s_blocksize * 8;  in reiserfs_resize()
72 	bmap_nr_new = block_count_new / (s->s_blocksize * 8);  in reiserfs_resize()
73 	block_r_new = block_count_new - bmap_nr_new * s->s_blocksize * 8;  in reiserfs_resize()
77 		block_r_new = s->s_blocksize * 8;  in reiserfs_resize()
80 	block_count = SB_BLOCK_COUNT(s);  in reiserfs_resize()
81 	bmap_nr = reiserfs_bmap_count(s);  in reiserfs_resize()
86 		if (reiserfs_allocate_list_bitmaps(s, jbitmap, bmap_nr_new) < 0) {  in reiserfs_resize()
105 			jb = SB_JOURNAL(s)->j_list_bitmap + i;  in reiserfs_resize()
147 			depth = reiserfs_write_unlock_nested(s);  in reiserfs_resize()
148 			bh = sb_bread(s, i * s->s_blocksize * 8);  in reiserfs_resize()
149 			reiserfs_write_lock_nested(s, depth);  in reiserfs_resize()
156 			reiserfs_cache_bitmap_metadata(s, bh, bitmap + i);  in reiserfs_resize()
160 			depth = reiserfs_write_unlock_nested(s);  in reiserfs_resize()
162 			reiserfs_write_lock_nested(s, depth);  in reiserfs_resize()
168 		SB_AP_BITMAP(s) = bitmap;  in reiserfs_resize()
177 	err = journal_begin(&th, s, 10);  in reiserfs_resize()
182 	info = SB_AP_BITMAP(s) + bmap_nr - 1;  in reiserfs_resize()
183 	bh = reiserfs_read_bitmap_block(s, bmap_nr - 1);  in reiserfs_resize()
191 	reiserfs_prepare_for_journal(s, bh, 1);  in reiserfs_resize()
192 	for (i = block_r; i < s->s_blocksize * 8; i++)  in reiserfs_resize()
194 	info->free_count += s->s_blocksize * 8 - block_r;  in reiserfs_resize()
200 	info = SB_AP_BITMAP(s) + bmap_nr_new - 1;  in reiserfs_resize()
201 	bh = reiserfs_read_bitmap_block(s, bmap_nr_new - 1);  in reiserfs_resize()
209 	reiserfs_prepare_for_journal(s, bh, 1);  in reiserfs_resize()
210 	for (i = block_r_new; i < s->s_blocksize * 8; i++)  in reiserfs_resize()
215 	info->free_count -= s->s_blocksize * 8 - block_r_new;  in reiserfs_resize()
217 	reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);  in reiserfs_resize()
218 	free_blocks = SB_FREE_BLOCKS(s);  in reiserfs_resize()
219 	PUT_SB_FREE_BLOCKS(s,  in reiserfs_resize()
222 	PUT_SB_BLOCK_COUNT(s, block_count_new);  in reiserfs_resize()
223 	PUT_SB_BMAP_NR(s, bmap_would_wrap(bmap_nr_new) ? : bmap_nr_new);  in reiserfs_resize()
225 	journal_mark_dirty(&th, SB_BUFFER_WITH_SB(s));  in reiserfs_resize()
227 	SB_JOURNAL(s)->j_must_wait = 1;  in reiserfs_resize()