5 files changed, 5 insertions, 20 deletions

diff --git a/block/blk-core.c b/block/blk-core.c
index 7e1523521c70..da697936d220 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1276,7 +1276,6 @@ out:
 
 void init_request_from_bio(struct request *req, struct bio *bio)
 {
-        req->cpu = bio->bi_comp_cpu;
         req->cmd_type = REQ_TYPE_FS;
 
         req->cmd_flags |= bio->bi_rw & REQ_COMMON_MASK;
@@ -1362,8 +1361,7 @@ get_rq:
          */
         init_request_from_bio(req, bio);
 
-        if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags) ||
-            bio_flagged(bio, BIO_CPU_AFFINE))
+        if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags))
                 req->cpu = raw_smp_processor_id();
 
         plug = current->plug;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index d4ddfa627301..2948a520f7ba 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2172,7 +2172,6 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
                 bio->bi_next = NULL;
                 bio->bi_flags &= ~(BIO_POOL_MASK-1);
                 bio->bi_flags |= 1 << BIO_UPTODATE;
-                bio->bi_comp_cpu = -1;
                 bio->bi_rw = READ;
                 bio->bi_vcnt = 0;
                 bio->bi_idx = 0;
diff --git a/fs/bio.c b/fs/bio.c
index 9bfade8a609b..41c93c722244 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -255,7 +255,6 @@ void bio_init(struct bio *bio)
 {
         memset(bio, 0, sizeof(*bio));
         bio->bi_flags = 1 << BIO_UPTODATE;
-        bio->bi_comp_cpu = -1;
         atomic_set(&bio->bi_cnt, 1);
 }
 EXPORT_SYMBOL(bio_init);
diff --git a/include/linux/bio.h b/include/linux/bio.h
index ce33e6868a2f..a3c071c9e189 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -269,14 +269,6 @@ extern void bvec_free_bs(struct bio_set *, struct bio_vec *, unsigned int);
 extern unsigned int bvec_nr_vecs(unsigned short idx);
 
 /*
- * Allow queuer to specify a completion CPU for this bio
- */
-static inline void bio_set_completion_cpu(struct bio *bio, unsigned int cpu)
-{
-        bio->bi_comp_cpu = cpu;
-}
-
-/*
  * bio_set is used to allow other portions of the IO system to
  * allocate their own private memory pools for bio and iovec structures.
  * These memory pools in turn all allocate from the bio_slab
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 71fc53bb8f1c..4053cbd4490e 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -59,8 +59,6 @@ struct bio {
 
         unsigned int            bi_max_vecs;    /* max bvl_vecs we can hold */
 
-        unsigned int            bi_comp_cpu;    /* completion CPU */
-
         atomic_t                bi_cnt;         /* pin count */
 
         struct bio_vec          *bi_io_vec;     /* the actual vec list */
@@ -93,11 +91,10 @@ struct bio {
 #define BIO_BOUNCED     5       /* bio is a bounce bio */
 #define BIO_USER_MAPPED 6       /* contains user pages */
 #define BIO_EOPNOTSUPP  7       /* not supported */
-#define BIO_CPU_AFFINE  8       /* complete bio on same CPU as submitted */
-#define BIO_NULL_MAPPED 9       /* contains invalid user pages */
-#define BIO_FS_INTEGRITY 10     /* fs owns integrity data, not block layer */
-#define BIO_QUIET       11      /* Make BIO Quiet */
-#define BIO_MAPPED_INTEGRITY 12/* integrity metadata has been remapped */
+#define BIO_NULL_MAPPED 8       /* contains invalid user pages */
+#define BIO_FS_INTEGRITY 9      /* fs owns integrity data, not block layer */
+#define BIO_QUIET       10      /* Make BIO Quiet */
+#define BIO_MAPPED_INTEGRITY 11/* integrity metadata has been remapped */
 #define bio_flagged(bio, flag)  ((bio)->bi_flags & (1 << (flag)))
 
 /*