diff options
| -rw-r--r-- | block/blk-core.c | 8 | ||||
| -rw-r--r-- | drivers/block/osdblk.c | 3 | ||||
| -rw-r--r-- | drivers/md/dm-crypt.c | 7 | ||||
| -rw-r--r-- | drivers/md/dm.c | 4 | ||||
| -rw-r--r-- | drivers/md/md.c | 20 | ||||
| -rw-r--r-- | fs/bio.c | 11 | ||||
| -rw-r--r-- | fs/exofs/ore.c | 5 | ||||
| -rw-r--r-- | include/linux/bio.h | 17 |
8 files changed, 29 insertions, 46 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index b776cc90a4e7..82aab2815858 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2781,16 +2781,10 @@ int blk_rq_prep_clone(struct request *rq, struct request *rq_src, blk_rq_init(NULL, rq); __rq_for_each_bio(bio_src, rq_src) { - bio = bio_alloc_bioset(gfp_mask, bio_src->bi_max_vecs, bs); + bio = bio_clone_bioset(bio_src, gfp_mask, bs); if (!bio) goto free_and_out; - __bio_clone(bio, bio_src); - - if (bio_integrity(bio_src) && - bio_integrity_clone(bio, bio_src, gfp_mask)) - goto free_and_out; - if (bio_ctr && bio_ctr(bio, bio_src, data)) goto free_and_out; diff --git a/drivers/block/osdblk.c b/drivers/block/osdblk.c index 87311ebac0db..1bbc681688e4 100644 --- a/drivers/block/osdblk.c +++ b/drivers/block/osdblk.c @@ -266,11 +266,10 @@ static struct bio *bio_chain_clone(struct bio *old_chain, gfp_t gfpmask) struct bio *tmp, *new_chain = NULL, *tail = NULL; while (old_chain) { - tmp = bio_kmalloc(gfpmask, old_chain->bi_max_vecs); + tmp = bio_clone_kmalloc(old_chain, gfpmask); if (!tmp) goto err_out; - __bio_clone(tmp, old_chain); tmp->bi_bdev = NULL; gfpmask &= ~__GFP_WAIT; tmp->bi_next = NULL; diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 3c0acba042b6..bbf459bca61d 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -979,19 +979,14 @@ static int kcryptd_io_read(struct dm_crypt_io *io, gfp_t gfp) * copy the required bvecs because we need the original * one in order to decrypt the whole bio data *afterwards*. */ - clone = bio_alloc_bioset(gfp, bio_segments(base_bio), cc->bs); + clone = bio_clone_bioset(base_bio, gfp, cc->bs); if (!clone) return 1; crypt_inc_pending(io); clone_init(io, clone); - clone->bi_idx = 0; - clone->bi_vcnt = bio_segments(base_bio); - clone->bi_size = base_bio->bi_size; clone->bi_sector = cc->start + io->sector; - memcpy(clone->bi_io_vec, bio_iovec(base_bio), - sizeof(struct bio_vec) * clone->bi_vcnt); generic_make_request(clone); return 0; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 33470f01ea5e..837879716889 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1129,8 +1129,8 @@ static void __issue_target_request(struct clone_info *ci, struct dm_target *ti, * ci->bio->bi_max_vecs is BIO_INLINE_VECS anyway, for both flush * and discard, so no need for concern about wasted bvec allocations. */ - clone = bio_alloc_bioset(GFP_NOIO, ci->bio->bi_max_vecs, ci->md->bs); - __bio_clone(clone, ci->bio); + clone = bio_clone_bioset(ci->bio, GFP_NOIO, ci->md->bs); + if (len) { clone->bi_sector = ci->sector; clone->bi_size = to_bytes(len); diff --git a/drivers/md/md.c b/drivers/md/md.c index 457ca8451ddb..7a2b0793f66e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -173,28 +173,10 @@ EXPORT_SYMBOL_GPL(bio_alloc_mddev); struct bio *bio_clone_mddev(struct bio *bio, gfp_t gfp_mask, struct mddev *mddev) { - struct bio *b; - if (!mddev || !mddev->bio_set) return bio_clone(bio, gfp_mask); - b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs, mddev->bio_set); - if (!b) - return NULL; - - __bio_clone(b, bio); - if (bio_integrity(bio)) { - int ret; - - ret = bio_integrity_clone(b, bio, gfp_mask); - - if (ret < 0) { - bio_put(b); - return NULL; - } - } - - return b; + return bio_clone_bioset(bio, gfp_mask, mddev->bio_set); } EXPORT_SYMBOL_GPL(bio_clone_mddev); @@ -438,16 +438,19 @@ void __bio_clone(struct bio *bio, struct bio *bio_src) EXPORT_SYMBOL(__bio_clone); /** - * bio_clone - clone a bio + * bio_clone_bioset - clone a bio * @bio: bio to clone * @gfp_mask: allocation priority + * @bs: bio_set to allocate from * * Like __bio_clone, only also allocates the returned bio */ -struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask) +struct bio *bio_clone_bioset(struct bio *bio, gfp_t gfp_mask, + struct bio_set *bs) { - struct bio *b = bio_alloc(gfp_mask, bio->bi_max_vecs); + struct bio *b; + b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs, bs); if (!b) return NULL; @@ -466,7 +469,7 @@ struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask) return b; } -EXPORT_SYMBOL(bio_clone); +EXPORT_SYMBOL(bio_clone_bioset); /** * bio_get_nr_vecs - return approx number of vecs diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index 1585db1aa365..f936cb50dc0d 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -814,8 +814,8 @@ static int _write_mirror(struct ore_io_state *ios, int cur_comp) struct bio *bio; if (per_dev != master_dev) { - bio = bio_kmalloc(GFP_KERNEL, - master_dev->bio->bi_max_vecs); + bio = bio_clone_kmalloc(master_dev->bio, + GFP_KERNEL); if (unlikely(!bio)) { ORE_DBGMSG( "Failed to allocate BIO size=%u\n", @@ -824,7 +824,6 @@ static int _write_mirror(struct ore_io_state *ios, int cur_comp) goto out; } - __bio_clone(bio, master_dev->bio); bio->bi_bdev = NULL; bio->bi_next = NULL; per_dev->offset = master_dev->offset; diff --git a/include/linux/bio.h b/include/linux/bio.h index fbe35b175555..52b9cbc3e4da 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -215,6 +215,9 @@ extern void bioset_free(struct bio_set *); extern struct bio *bio_alloc_bioset(gfp_t, int, struct bio_set *); extern void bio_put(struct bio *); +extern void __bio_clone(struct bio *, struct bio *); +extern struct bio *bio_clone_bioset(struct bio *, gfp_t, struct bio_set *bs); + extern struct bio_set *fs_bio_set; static inline struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs) @@ -222,18 +225,26 @@ static inline struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs) return bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set); } +static inline struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask) +{ + return bio_clone_bioset(bio, gfp_mask, fs_bio_set); +} + static inline struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned int nr_iovecs) { return bio_alloc_bioset(gfp_mask, nr_iovecs, NULL); } +static inline struct bio *bio_clone_kmalloc(struct bio *bio, gfp_t gfp_mask) +{ + return bio_clone_bioset(bio, gfp_mask, NULL); + +} + extern void bio_endio(struct bio *, int); struct request_queue; extern int bio_phys_segments(struct request_queue *, struct bio *); -extern void __bio_clone(struct bio *, struct bio *); -extern struct bio *bio_clone(struct bio *, gfp_t); - extern void bio_init(struct bio *); extern void bio_reset(struct bio *); |