diff options
Diffstat (limited to 'block/bio.c')
| -rw-r--r-- | block/bio.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/block/bio.c b/block/bio.c index 5f7563598b1c..db9a40e9a136 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1997,6 +1997,24 @@ 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; + + return bioset_init(bs, src->bio_pool.min_nr, src->front_pad, flags); +} +EXPORT_SYMBOL(bioset_init_from_src); + #ifdef CONFIG_BLK_CGROUP /** |