45 static void ntfs_end_buffer_async_read(struct buffer_head *bh, int uptodate)  in ntfs_end_buffer_async_read()  argument
54 	page = bh->b_page;  in ntfs_end_buffer_async_read()
62 		set_buffer_uptodate(bh);  in ntfs_end_buffer_async_read()
65 				bh_offset(bh);  in ntfs_end_buffer_async_read()
75 		if (unlikely(file_ofs + bh->b_size > init_size)) {  in ntfs_end_buffer_async_read()
83 			memset(kaddr + bh_offset(bh) + ofs, 0,  in ntfs_end_buffer_async_read()
84 					bh->b_size - ofs);  in ntfs_end_buffer_async_read()
89 		clear_buffer_uptodate(bh);  in ntfs_end_buffer_async_read()
92 				"0x%llx.", (unsigned long long)bh->b_blocknr);  in ntfs_end_buffer_async_read()
96 	clear_buffer_async_read(bh);  in ntfs_end_buffer_async_read()
97 	unlock_buffer(bh);  in ntfs_end_buffer_async_read()
98 	tmp = bh;  in ntfs_end_buffer_async_read()
109 	} while (tmp != bh);  in ntfs_end_buffer_async_read()
174 	struct buffer_head *bh, *head, *arr[MAX_BUF_PER_PAGE];  in ntfs_read_block()  local
198 	bh = head = page_buffers(page);  in ntfs_read_block()
199 	BUG_ON(!bh);  in ntfs_read_block()
230 		if (unlikely(buffer_uptodate(bh)))  in ntfs_read_block()
232 		if (unlikely(buffer_mapped(bh))) {  in ntfs_read_block()
233 			arr[nr++] = bh;  in ntfs_read_block()
236 		bh->b_bdev = vol->sb->s_bdev;  in ntfs_read_block()
261 				bh->b_blocknr = ((lcn << vol->cluster_size_bits)  in ntfs_read_block()
263 				set_buffer_mapped(bh);  in ntfs_read_block()
266 					arr[nr++] = bh;  in ntfs_read_block()
301 			bh->b_blocknr = -1;  in ntfs_read_block()
318 		bh->b_blocknr = -1UL;  in ntfs_read_block()
319 		clear_buffer_mapped(bh);  in ntfs_read_block()
323 			set_buffer_uptodate(bh);  in ntfs_read_block()
324 	} while (i++, iblock++, (bh = bh->b_this_page) != head);  in ntfs_read_block()
541 	struct buffer_head *bh, *head;  in ntfs_write_block()  local
576 	bh = head = page_buffers(page);  in ntfs_write_block()
577 	BUG_ON(!bh);  in ntfs_write_block()
627 			clear_buffer_dirty(bh);  in ntfs_write_block()
628 			set_buffer_uptodate(bh);  in ntfs_write_block()
633 		if (!buffer_dirty(bh))  in ntfs_write_block()
692 		if (buffer_mapped(bh))  in ntfs_write_block()
696 		bh->b_bdev = vol->sb->s_bdev;  in ntfs_write_block()
717 			bh->b_blocknr = ((lcn << vol->cluster_size_bits) +  in ntfs_write_block()
719 			set_buffer_mapped(bh);  in ntfs_write_block()
729 			bpos = (unsigned long *)(kaddr + bh_offset(bh));  in ntfs_write_block()
741 				bh->b_blocknr = -1;  in ntfs_write_block()
742 				clear_buffer_dirty(bh);  in ntfs_write_block()
773 			bh->b_blocknr = -1;  in ntfs_write_block()
774 			clear_buffer_dirty(bh);  in ntfs_write_block()
775 			zero_user(page, bh_offset(bh), blocksize);  in ntfs_write_block()
776 			set_buffer_uptodate(bh);  in ntfs_write_block()
783 		bh->b_blocknr = -1;  in ntfs_write_block()
792 	} while (block++, (bh = bh->b_this_page) != head);  in ntfs_write_block()
799 	bh = head;  in ntfs_write_block()
805 			if (!buffer_uptodate(bh)) {  in ntfs_write_block()
807 				bh = head;  in ntfs_write_block()
810 		} while ((bh = bh->b_this_page) != head);  in ntfs_write_block()
817 		if (buffer_mapped(bh) && buffer_dirty(bh)) {  in ntfs_write_block()
818 			lock_buffer(bh);  in ntfs_write_block()
819 			if (test_clear_buffer_dirty(bh)) {  in ntfs_write_block()
820 				BUG_ON(!buffer_uptodate(bh));  in ntfs_write_block()
821 				mark_buffer_async_write(bh);  in ntfs_write_block()
823 				unlock_buffer(bh);  in ntfs_write_block()
830 				clear_buffer_dirty(bh);  in ntfs_write_block()
832 	} while ((bh = bh->b_this_page) != head);  in ntfs_write_block()
858 		struct buffer_head *next = bh->b_this_page;  in ntfs_write_block()
859 		if (buffer_async_write(bh)) {  in ntfs_write_block()
860 			submit_bh(REQ_OP_WRITE, 0, bh);  in ntfs_write_block()
863 		bh = next;  in ntfs_write_block()
864 	} while (bh != head);  in ntfs_write_block()
909 	struct buffer_head *bh, *head, *tbh, *rec_start_bh;  in ntfs_write_mst_block()  local
943 	bh = head = page_buffers(page);  in ntfs_write_mst_block()
944 	BUG_ON(!bh);  in ntfs_write_mst_block()
967 				clear_buffer_dirty(bh);  in ntfs_write_mst_block()
968 				set_buffer_uptodate(bh);  in ntfs_write_mst_block()
980 					clear_buffer_dirty(bh);  in ntfs_write_mst_block()
989 				clear_buffer_dirty(bh);  in ntfs_write_mst_block()
992 			if (!buffer_dirty(bh)) {  in ntfs_write_mst_block()
998 			rec_start_bh = bh;  in ntfs_write_mst_block()
1001 		if (unlikely(!buffer_mapped(bh))) {  in ntfs_write_mst_block()
1006 			bh->b_bdev = vol->sb->s_bdev;  in ntfs_write_mst_block()
1026 				bh->b_blocknr = ((lcn <<  in ntfs_write_mst_block()
1029 				set_buffer_mapped(bh);  in ntfs_write_mst_block()
1058 				bh->b_blocknr = -1;  in ntfs_write_mst_block()
1076 				if (rec_start_bh != bh) {  in ntfs_write_mst_block()
1086 								bh);  in ntfs_write_mst_block()
1092 		BUG_ON(!buffer_uptodate(bh));  in ntfs_write_mst_block()
1094 		bhs[nr_bhs++] = bh;  in ntfs_write_mst_block()
1095 	} while (block++, (bh = bh->b_this_page) != head);  in ntfs_write_mst_block()
1715 	struct buffer_head *bh, *head, *buffers_to_free = NULL;  in mark_ntfs_record_dirty()  local
1724 		bh = head = alloc_page_buffers(page, bh_size, true);  in mark_ntfs_record_dirty()
1730 				set_buffer_uptodate(bh);  in mark_ntfs_record_dirty()
1731 				tail = bh;  in mark_ntfs_record_dirty()
1732 				bh = bh->b_this_page;  in mark_ntfs_record_dirty()
1733 			} while (bh);  in mark_ntfs_record_dirty()
1737 			buffers_to_free = bh;  in mark_ntfs_record_dirty()
1739 	bh = head = page_buffers(page);  in mark_ntfs_record_dirty()
1740 	BUG_ON(!bh);  in mark_ntfs_record_dirty()
1742 		bh_ofs = bh_offset(bh);  in mark_ntfs_record_dirty()
1747 		set_buffer_dirty(bh);  in mark_ntfs_record_dirty()
1748 	} while ((bh = bh->b_this_page) != head);  in mark_ntfs_record_dirty()
1753 			bh = buffers_to_free->b_this_page;  in mark_ntfs_record_dirty()
1755 			buffers_to_free = bh;  in mark_ntfs_record_dirty()