60 					     struct buffer_head ** bh)  in ext3_get_group_desc()  argument
88 	if (bh)  in ext3_get_group_desc()
89 		*bh = sbi->s_group_desc[group_desc];  in ext3_get_group_desc()
96 					struct buffer_head *bh)  in ext3_valid_block_bitmap()  argument
108 	if (!ext3_test_bit(offset, bh->b_data))  in ext3_valid_block_bitmap()
115 	if (!ext3_test_bit(offset, bh->b_data))  in ext3_valid_block_bitmap()
122 	next_zero_bit = ext3_find_next_zero_bit(bh->b_data,  in ext3_valid_block_bitmap()
151 	struct buffer_head * bh = NULL;  in read_block_bitmap()  local
159 	bh = sb_getblk(sb, bitmap_blk);  in read_block_bitmap()
160 	if (unlikely(!bh)) {  in read_block_bitmap()
167 	if (likely(bh_uptodate_or_lock(bh)))  in read_block_bitmap()
168 		return bh;  in read_block_bitmap()
170 	if (bh_submit_read(bh) < 0) {  in read_block_bitmap()
171 		brelse(bh);  in read_block_bitmap()
178 	ext3_valid_block_bitmap(sb, desc, block_group, bh);  in read_block_bitmap()
183 	return bh;  in read_block_bitmap()
713 static int ext3_test_allocatable(ext3_grpblk_t nr, struct buffer_head *bh)  in ext3_test_allocatable()  argument
716 	struct journal_head *jh = bh2jh(bh);  in ext3_test_allocatable()
718 	if (ext3_test_bit(nr, bh->b_data))  in ext3_test_allocatable()
721 	jbd_lock_bh_state(bh);  in ext3_test_allocatable()
726 	jbd_unlock_bh_state(bh);  in ext3_test_allocatable()
741 bitmap_search_next_usable_block(ext3_grpblk_t start, struct buffer_head *bh,  in bitmap_search_next_usable_block()  argument
745 	struct journal_head *jh = bh2jh(bh);  in bitmap_search_next_usable_block()
748 		next = ext3_find_next_zero_bit(bh->b_data, maxblocks, start);  in bitmap_search_next_usable_block()
751 		if (ext3_test_allocatable(next, bh))  in bitmap_search_next_usable_block()
753 		jbd_lock_bh_state(bh);  in bitmap_search_next_usable_block()
757 		jbd_unlock_bh_state(bh);  in bitmap_search_next_usable_block()
776 find_next_usable_block(ext3_grpblk_t start, struct buffer_head *bh,  in find_next_usable_block()  argument
794 		here = ext3_find_next_zero_bit(bh->b_data, end_goal, start);  in find_next_usable_block()
795 		if (here < end_goal && ext3_test_allocatable(here, bh))  in find_next_usable_block()
804 	p = bh->b_data + (here >> 3);  in find_next_usable_block()
806 	next = (r - bh->b_data) << 3;  in find_next_usable_block()
808 	if (next < maxblocks && next >= start && ext3_test_allocatable(next, bh))  in find_next_usable_block()
816 	here = bitmap_search_next_usable_block(here, bh, maxblocks);  in find_next_usable_block()
833 claim_block(spinlock_t *lock, ext3_grpblk_t block, struct buffer_head *bh)  in claim_block()  argument
835 	struct journal_head *jh = bh2jh(bh);  in claim_block()
838 	if (ext3_set_bit_atomic(lock, block, bh->b_data))  in claim_block()
840 	jbd_lock_bh_state(bh);  in claim_block()
842 		ext3_clear_bit_atomic(lock, block, bh->b_data);  in claim_block()
847 	jbd_unlock_bh_state(bh);  in claim_block()