diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index fd47950..be65582 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c

@@ -447,14 +447,6 @@ static void iblock_complete_cmd(struct se_cmd *cmd)
 	kfree(ibr);
 }
 
-static void iblock_bio_destructor(struct bio *bio)
-{
-	struct se_cmd *cmd = bio->bi_private;
-	struct iblock_dev *ib_dev = cmd->se_dev->dev_ptr;
-
-	bio_free(bio, ib_dev->ibd_bio_set);
-}
-
 static struct bio *
 iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
 {

@@ -475,8 +467,15 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
 	}
 
 	bio->bi_bdev = ib_dev->ibd_bd;
+<<<<<<< HEAD
 	bio->bi_private = cmd;
 	bio->bi_destructor = iblock_bio_destructor;
+||||||| merged common ancestors
+	bio->bi_private = task;
+	bio->bi_destructor = iblock_bio_destructor;
+=======
+	bio->bi_private = task;
+>>>>>>> block: Generalized bio pool freeing
 	bio->bi_end_io = &iblock_bio_done;
 	bio->bi_sector = lba;
 	return bio;

diff --git a/fs/bio.c b/fs/bio.c
index 73922ab..1c6c8b7 100644
--- a/fs/bio.c
+++ b/fs/bio.c

@@ -271,10 +271,6 @@ EXPORT_SYMBOL(bio_init);
  *   bio_alloc_bioset will try its own mempool to satisfy the allocation.
  *   If %__GFP_WAIT is set then we will block on the internal pool waiting
  *   for a &struct bio to become free.
- *
- *   Note that the caller must set ->bi_destructor on successful return
- *   of a bio, to do the appropriate freeing of the bio once the reference
- *   count drops to zero.
  **/
 struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs)
 {

@@ -289,6 +285,7 @@ struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs)
 	bio = p + bs->front_pad;
 
 	bio_init(bio);
+	bio->bi_pool = bs;
 
 	if (unlikely(!nr_iovecs))
 		goto out_set;

@@ -315,11 +312,6 @@ err_free:
 }
 EXPORT_SYMBOL(bio_alloc_bioset);
 
-static void bio_fs_destructor(struct bio *bio)
-{
-	bio_free(bio, fs_bio_set);
-}
-
 /**
  *	bio_alloc - allocate a new bio, memory pool backed
  *	@gfp_mask: allocation mask to use

@@ -341,12 +333,7 @@ static void bio_fs_destructor(struct bio *bio)
  */
 struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs)
 {
-	struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set);
-
-	if (bio)
-		bio->bi_destructor = bio_fs_destructor;
-
-	return bio;
+	return bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set);
 }
 EXPORT_SYMBOL(bio_alloc);
 

@@ -422,7 +409,11 @@ void bio_put(struct bio *bio)
 	if (atomic_dec_and_test(&bio->bi_cnt)) {
 		bio_disassociate_task(bio);
 		bio->bi_next = NULL;
-		bio->bi_destructor(bio);
+
+		if (bio->bi_pool)
+			bio_free(bio, bio->bi_pool);
+		else
+			bio->bi_destructor(bio);
 	}
 }
 EXPORT_SYMBOL(bio_put);

@@ -473,12 +464,11 @@ EXPORT_SYMBOL(__bio_clone);
  */
 struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask)
 {
-	struct bio *b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs, fs_bio_set);
+	struct bio *b = bio_alloc(gfp_mask, bio->bi_max_vecs);
 
 	if (!b)
 		return NULL;
 
-	b->bi_destructor = bio_fs_destructor;
 	__bio_clone(b, bio);
 
 	if (bio_integrity(bio)) {

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 0edb65d..293547e 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h

@@ -80,6 +80,9 @@ struct bio {
 	struct bio_integrity_payload *bi_integrity;  /* data integrity */
 #endif
 
+	/* If bi_pool is non NULL, bi_destructor is not called */
+	struct bio_set		*bi_pool;
+
 	bio_destructor_t	*bi_destructor;	/* destructor */
 
 	/*