fs/btrfs/compression.c

57 static inline struct compressed_bio *to_compressed_bio(struct btrfs_bio *bbio)
59 	return container_of(bbio, struct compressed_bio, bbio);
66 	struct btrfs_bio *bbio;
68 	bbio = btrfs_bio(bio_alloc_bioset(NULL, BTRFS_MAX_COMPRESSED_PAGES, op,
70 	btrfs_bio_init(bbio, inode->root->fs_info, end_io, NULL);
71 	bbio->inode = inode;
72 	bbio->file_offset = start;
73 	return to_compressed_bio(bbio);
264 static void end_bbio_comprssed_read(struct btrfs_bio *bbio)
266 	struct compressed_bio *cb = to_compressed_bio(bbio);
267 	blk_status_t status = bbio->bio.bi_status;
274 	bio_put(&bbio->bio);
283 	struct inode *inode = &cb->bbio.inode->vfs_inode;
288 	const int error = blk_status_to_errno(cb->bbio.bio.bi_status);
319 	btrfs_finish_ordered_extent(cb->bbio.ordered, NULL, cb->start, cb->len,
320 				    cb->bbio.bio.bi_status == BLK_STS_OK);
327 	bio_put(&cb->bbio.bio);
337 static void end_bbio_comprssed_write(struct btrfs_bio *bbio)
339 	struct compressed_bio *cb = to_compressed_bio(bbio);
340 	struct btrfs_fs_info *fs_info = bbio->inode->root->fs_info;
347 	struct bio *bio = &cb->bbio.bio;
392 	cb->bbio.bio.bi_iter.bi_sector = ordered->disk_bytenr >> SECTOR_SHIFT;
393 	cb->bbio.ordered = ordered;
396 	btrfs_submit_bio(&cb->bbio, 0);
560 void btrfs_submit_compressed_read(struct btrfs_bio *bbio)
562 	struct btrfs_inode *inode = bbio->inode;
567 	u64 file_offset = bbio->file_offset;
595 	cb->len = bbio->bio.bi_iter.bi_size;
598 	cb->orig_bbio = bbio;
619 	cb->len = bbio->bio.bi_iter.bi_size;
620 	cb->bbio.bio.bi_iter.bi_sector = bbio->bio.bi_iter.bi_sector;
626 	btrfs_submit_bio(&cb->bbio, 0);
632 	bio_put(&cb->bbio.bio);
634 	btrfs_bio_end_io(bbio, ret);
1062 			offsetof(struct compressed_bio, bbio.bio),