58 static void ntfs_end_buffer_async_read(struct buffer_head *bh, int uptodate)  in ntfs_end_buffer_async_read()  argument
67 	page = bh->b_page;  in ntfs_end_buffer_async_read()
75 		set_buffer_uptodate(bh);  in ntfs_end_buffer_async_read()
78 				bh_offset(bh);  in ntfs_end_buffer_async_read()
88 		if (unlikely(file_ofs + bh->b_size > init_size)) {  in ntfs_end_buffer_async_read()
97 			memset(kaddr + bh_offset(bh) + ofs, 0,  in ntfs_end_buffer_async_read()
98 					bh->b_size - ofs);  in ntfs_end_buffer_async_read()
104 		clear_buffer_uptodate(bh);  in ntfs_end_buffer_async_read()
107 				"0x%llx.", (unsigned long long)bh->b_blocknr);  in ntfs_end_buffer_async_read()
112 	clear_buffer_async_read(bh);  in ntfs_end_buffer_async_read()
113 	unlock_buffer(bh);  in ntfs_end_buffer_async_read()
114 	tmp = bh;  in ntfs_end_buffer_async_read()
125 	} while (tmp != bh);  in ntfs_end_buffer_async_read()
194 	struct buffer_head *bh, *head, *arr[MAX_BUF_PER_PAGE];  in ntfs_read_block()  local
218 	bh = head = page_buffers(page);  in ntfs_read_block()
219 	BUG_ON(!bh);  in ntfs_read_block()
250 		if (unlikely(buffer_uptodate(bh)))  in ntfs_read_block()
252 		if (unlikely(buffer_mapped(bh))) {  in ntfs_read_block()
253 			arr[nr++] = bh;  in ntfs_read_block()
256 		bh->b_bdev = vol->sb->s_bdev;  in ntfs_read_block()
281 				bh->b_blocknr = ((lcn << vol->cluster_size_bits)  in ntfs_read_block()
283 				set_buffer_mapped(bh);  in ntfs_read_block()
286 					arr[nr++] = bh;  in ntfs_read_block()
321 			bh->b_blocknr = -1;  in ntfs_read_block()
338 		bh->b_blocknr = -1UL;  in ntfs_read_block()
339 		clear_buffer_mapped(bh);  in ntfs_read_block()
343 			set_buffer_uptodate(bh);  in ntfs_read_block()
344 	} while (i++, iblock++, (bh = bh->b_this_page) != head);  in ntfs_read_block()
561 	struct buffer_head *bh, *head;  in ntfs_write_block()  local
596 	bh = head = page_buffers(page);  in ntfs_write_block()
597 	BUG_ON(!bh);  in ntfs_write_block()
647 			clear_buffer_dirty(bh);  in ntfs_write_block()
648 			set_buffer_uptodate(bh);  in ntfs_write_block()
653 		if (!buffer_dirty(bh))  in ntfs_write_block()
712 		if (buffer_mapped(bh))  in ntfs_write_block()
716 		bh->b_bdev = vol->sb->s_bdev;  in ntfs_write_block()
737 			bh->b_blocknr = ((lcn << vol->cluster_size_bits) +  in ntfs_write_block()
739 			set_buffer_mapped(bh);  in ntfs_write_block()
749 			bpos = (unsigned long *)(kaddr + bh_offset(bh));  in ntfs_write_block()
761 				bh->b_blocknr = -1;  in ntfs_write_block()
762 				clear_buffer_dirty(bh);  in ntfs_write_block()
793 			bh->b_blocknr = -1;  in ntfs_write_block()
794 			clear_buffer_dirty(bh);  in ntfs_write_block()
795 			zero_user(page, bh_offset(bh), blocksize);  in ntfs_write_block()
796 			set_buffer_uptodate(bh);  in ntfs_write_block()
803 		bh->b_blocknr = -1;  in ntfs_write_block()
812 	} while (block++, (bh = bh->b_this_page) != head);  in ntfs_write_block()
819 	bh = head;  in ntfs_write_block()
825 			if (!buffer_uptodate(bh)) {  in ntfs_write_block()
827 				bh = head;  in ntfs_write_block()
830 		} while ((bh = bh->b_this_page) != head);  in ntfs_write_block()
837 		if (buffer_mapped(bh) && buffer_dirty(bh)) {  in ntfs_write_block()
838 			lock_buffer(bh);  in ntfs_write_block()
839 			if (test_clear_buffer_dirty(bh)) {  in ntfs_write_block()
840 				BUG_ON(!buffer_uptodate(bh));  in ntfs_write_block()
841 				mark_buffer_async_write(bh);  in ntfs_write_block()
843 				unlock_buffer(bh);  in ntfs_write_block()
850 				clear_buffer_dirty(bh);  in ntfs_write_block()
852 	} while ((bh = bh->b_this_page) != head);  in ntfs_write_block()
878 		struct buffer_head *next = bh->b_this_page;  in ntfs_write_block()
879 		if (buffer_async_write(bh)) {  in ntfs_write_block()
880 			submit_bh(REQ_OP_WRITE, 0, bh);  in ntfs_write_block()
883 		bh = next;  in ntfs_write_block()
884 	} while (bh != head);  in ntfs_write_block()
929 	struct buffer_head *bh, *head, *tbh, *rec_start_bh;  in ntfs_write_mst_block()  local
960 	bh = head = page_buffers(page);  in ntfs_write_mst_block()
961 	BUG_ON(!bh);  in ntfs_write_mst_block()
984 				clear_buffer_dirty(bh);  in ntfs_write_mst_block()
985 				set_buffer_uptodate(bh);  in ntfs_write_mst_block()
997 					clear_buffer_dirty(bh);  in ntfs_write_mst_block()
1006 				clear_buffer_dirty(bh);  in ntfs_write_mst_block()
1009 			if (!buffer_dirty(bh)) {  in ntfs_write_mst_block()
1015 			rec_start_bh = bh;  in ntfs_write_mst_block()
1018 		if (unlikely(!buffer_mapped(bh))) {  in ntfs_write_mst_block()
1023 			bh->b_bdev = vol->sb->s_bdev;  in ntfs_write_mst_block()
1043 				bh->b_blocknr = ((lcn <<  in ntfs_write_mst_block()
1046 				set_buffer_mapped(bh);  in ntfs_write_mst_block()
1075 				bh->b_blocknr = -1;  in ntfs_write_mst_block()
1093 				if (rec_start_bh != bh) {  in ntfs_write_mst_block()
1103 								bh);  in ntfs_write_mst_block()
1109 		BUG_ON(!buffer_uptodate(bh));  in ntfs_write_mst_block()
1111 		bhs[nr_bhs++] = bh;  in ntfs_write_mst_block()
1112 	} while (block++, (bh = bh->b_this_page) != head);  in ntfs_write_mst_block()
1732 	struct buffer_head *bh, *head, *buffers_to_free = NULL;  in mark_ntfs_record_dirty()  local
1741 		bh = head = alloc_page_buffers(page, bh_size, 1);  in mark_ntfs_record_dirty()
1747 				set_buffer_uptodate(bh);  in mark_ntfs_record_dirty()
1748 				tail = bh;  in mark_ntfs_record_dirty()
1749 				bh = bh->b_this_page;  in mark_ntfs_record_dirty()
1750 			} while (bh);  in mark_ntfs_record_dirty()
1754 			buffers_to_free = bh;  in mark_ntfs_record_dirty()
1756 	bh = head = page_buffers(page);  in mark_ntfs_record_dirty()
1757 	BUG_ON(!bh);  in mark_ntfs_record_dirty()
1759 		bh_ofs = bh_offset(bh);  in mark_ntfs_record_dirty()
1764 		set_buffer_dirty(bh);  in mark_ntfs_record_dirty()
1765 	} while ((bh = bh->b_this_page) != head);  in mark_ntfs_record_dirty()
1770 			bh = buffers_to_free->b_this_page;  in mark_ntfs_record_dirty()
1772 			buffers_to_free = bh;  in mark_ntfs_record_dirty()