Lines Matching refs:bio
47 static void mpage_end_io(struct bio *bio) in mpage_end_io() argument
52 bio_for_each_segment_all(bv, bio, iter_all) { in mpage_end_io()
54 page_endio(page, bio_op(bio), in mpage_end_io()
55 blk_status_to_errno(bio->bi_status)); in mpage_end_io()
58 bio_put(bio); in mpage_end_io()
61 static struct bio *mpage_bio_submit(int op, int op_flags, struct bio *bio) in mpage_bio_submit() argument
63 bio->bi_end_io = mpage_end_io; in mpage_bio_submit()
64 bio_set_op_attrs(bio, op, op_flags); in mpage_bio_submit()
65 guard_bio_eod(bio); in mpage_bio_submit()
66 submit_bio(bio); in mpage_bio_submit()
70 static struct bio *
75 struct bio *bio; in mpage_alloc() local
79 bio = bio_alloc(gfp_flags, nr_vecs); in mpage_alloc()
81 if (bio == NULL && (current->flags & PF_MEMALLOC)) { in mpage_alloc()
82 while (!bio && (nr_vecs /= 2)) in mpage_alloc()
83 bio = bio_alloc(gfp_flags, nr_vecs); in mpage_alloc()
86 if (bio) { in mpage_alloc()
87 bio_set_dev(bio, bdev); in mpage_alloc()
88 bio->bi_iter.bi_sector = first_sector; in mpage_alloc()
90 return bio; in mpage_alloc()
137 struct bio *bio; member
156 static struct bio *do_mpage_readpage(struct mpage_readpage_args *args) in do_mpage_readpage()
296 if (args->bio && (args->last_block_in_bio != blocks[0] - 1)) in do_mpage_readpage()
297 args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio); in do_mpage_readpage()
300 if (args->bio == NULL) { in do_mpage_readpage()
306 args->bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9), in do_mpage_readpage()
308 if (args->bio == NULL) in do_mpage_readpage()
313 if (bio_add_page(args->bio, page, length, 0) < length) { in do_mpage_readpage()
314 args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio); in do_mpage_readpage()
322 args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio); in do_mpage_readpage()
326 return args->bio; in do_mpage_readpage()
329 if (args->bio) in do_mpage_readpage()
330 args->bio = mpage_bio_submit(REQ_OP_READ, op_flags, args->bio); in do_mpage_readpage()
389 args.bio = do_mpage_readpage(&args); in mpage_readahead()
392 if (args.bio) in mpage_readahead()
393 mpage_bio_submit(REQ_OP_READ, REQ_RAHEAD, args.bio); in mpage_readahead()
408 args.bio = do_mpage_readpage(&args); in mpage_readpage()
409 if (args.bio) in mpage_readpage()
410 mpage_bio_submit(REQ_OP_READ, 0, args.bio); in mpage_readpage()
433 struct bio *bio; member
482 struct bio *bio = mpd->bio; in __mpage_writepage() local
608 if (bio && mpd->last_block_in_bio != blocks[0] - 1) in __mpage_writepage()
609 bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio); in __mpage_writepage()
612 if (bio == NULL) { in __mpage_writepage()
618 bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9), in __mpage_writepage()
620 if (bio == NULL) in __mpage_writepage()
623 wbc_init_bio(wbc, bio); in __mpage_writepage()
624 bio->bi_write_hint = inode->i_write_hint; in __mpage_writepage()
634 if (bio_add_page(bio, page, length, 0) < length) { in __mpage_writepage()
635 bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio); in __mpage_writepage()
645 bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio); in __mpage_writepage()
656 if (bio) in __mpage_writepage()
657 bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio); in __mpage_writepage()
670 mpd->bio = bio; in __mpage_writepage()
706 .bio = NULL, in mpage_writepages()
713 if (mpd.bio) { in mpage_writepages()
716 mpage_bio_submit(REQ_OP_WRITE, op_flags, mpd.bio); in mpage_writepages()
728 .bio = NULL, in mpage_writepage()
734 if (mpd.bio) { in mpage_writepage()
737 mpage_bio_submit(REQ_OP_WRITE, op_flags, mpd.bio); in mpage_writepage()