Lines Matching refs:map_bh
626 struct buffer_head *map_bh) in get_more_blocks() argument
648 map_bh->b_state = 0; in get_more_blocks()
649 map_bh->b_size = fs_count << i_blkbits; in get_more_blocks()
670 map_bh, create); in get_more_blocks()
673 dio->private = map_bh->b_private; in get_more_blocks()
675 if (ret == 0 && buffer_defer_completion(map_bh)) in get_more_blocks()
685 sector_t start_sector, struct buffer_head *map_bh) in dio_new_bio() argument
696 dio_bio_alloc(dio, sdio, map_bh->b_bdev, sector, nr_pages); in dio_new_bio()
742 struct buffer_head *map_bh) in dio_send_cur_page() argument
771 ret = dio_new_bio(dio, sdio, sdio->cur_page_block, map_bh); in dio_send_cur_page()
778 ret = dio_new_bio(dio, sdio, sdio->cur_page_block, map_bh); in dio_send_cur_page()
808 struct buffer_head *map_bh) in submit_page_section() argument
835 ret = dio_send_cur_page(dio, sdio, map_bh); in submit_page_section()
854 ret = dio_send_cur_page(dio, sdio, map_bh); in submit_page_section()
873 int end, struct buffer_head *map_bh) in dio_zero_block() argument
881 if (!sdio->blkfactor || !buffer_new(map_bh)) in dio_zero_block()
901 sdio->next_block_for_io, map_bh)) in dio_zero_block()
924 struct buffer_head *map_bh) in do_direct_IO() argument
955 ret = get_more_blocks(dio, sdio, map_bh); in do_direct_IO()
960 if (!buffer_mapped(map_bh)) in do_direct_IO()
964 map_bh->b_size >> blkbits; in do_direct_IO()
966 map_bh->b_blocknr << sdio->blkfactor; in do_direct_IO()
967 if (buffer_new(map_bh)) { in do_direct_IO()
969 map_bh->b_bdev, in do_direct_IO()
970 map_bh->b_blocknr, in do_direct_IO()
971 map_bh->b_size >> i_blkbits); in do_direct_IO()
991 if (!buffer_new(map_bh)) in do_direct_IO()
997 if (!buffer_mapped(map_bh)) { in do_direct_IO()
1031 dio_zero_block(dio, sdio, 0, map_bh); in do_direct_IO()
1048 sdio->boundary = buffer_boundary(map_bh); in do_direct_IO()
1053 map_bh); in do_direct_IO()
1139 struct buffer_head map_bh = { 0, }; in do_blockdev_direct_IO() local
1270 retval = do_direct_IO(dio, &sdio, &map_bh); in do_blockdev_direct_IO()
1285 dio_zero_block(dio, &sdio, 1, &map_bh); in do_blockdev_direct_IO()
1290 ret2 = dio_send_cur_page(dio, &sdio, &map_bh); in do_blockdev_direct_IO()