block: remove bioset_init_from_src

Unused now, and the interface never really made a whole lot of sense to
start with.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

diff --git a/block/bio.c b/block/bio.c
index f92d022..51c99f2 100644 (file)
--- a/block/bio.c
+++ b/block/bio.c
@@ -1747,26 +1747,6 @@ bad:
 }
 EXPORT_SYMBOL(bioset_init);
 
-/*
- * Initialize and setup a new bio_set, based on the settings from
- * another bio_set.
- */
-int bioset_init_from_src(struct bio_set *bs, struct bio_set *src)
-{
-       int flags;
-
-       flags = 0;
-       if (src->bvec_pool.min_nr)
-               flags |= BIOSET_NEED_BVECS;
-       if (src->rescue_workqueue)
-               flags |= BIOSET_NEED_RESCUER;
-       if (src->cache)
-               flags |= BIOSET_PERCPU_CACHE;
-
-       return bioset_init(bs, src->bio_pool.min_nr, src->front_pad, flags);
-}
-EXPORT_SYMBOL(bioset_init_from_src);
-
 static int __init init_bio(void)
 {
        int i;

diff --git a/include/linux/bio.h b/include/linux/bio.h
index 1cf3738..992ee98 100644 (file)
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -403,7 +403,6 @@ enum {
 extern int bioset_init(struct bio_set *, unsigned int, unsigned int, int flags);
 extern void bioset_exit(struct bio_set *);
 extern int biovec_init_pool(mempool_t *pool, int pool_entries);
-extern int bioset_init_from_src(struct bio_set *bs, struct bio_set *src);
 
 struct bio *bio_alloc_bioset(struct block_device *bdev, unsigned short nr_vecs,
                             unsigned int opf, gfp_t gfp_mask,