Revert "mmc: block: don't use parameter prefix if built as module"

[mirror_ubuntu-bionic-kernel.git] / block / bio-integrity.c

diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 14b8faf8b09d48937985713e10ed25745aad2dc2..711e4d8de6fa06020432da0f37a9edcdd67a6151 100644 (file)
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -32,6 +32,11 @@
 static struct kmem_cache *bip_slab;
 static struct workqueue_struct *kintegrityd_wq;
 
+void blk_flush_integrity(void)
+{
+       flush_workqueue(kintegrityd_wq);
+}
+
 /**
  * bio_integrity_alloc - Allocate integrity payload and attach it to bio
  * @bio:       bio to attach integrity metadata to
@@ -61,7 +66,7 @@ struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio,
        }
 
        if (unlikely(!bip))
-               return NULL;
+               return ERR_PTR(-ENOMEM);
 
        memset(bip, 0, sizeof(*bip));
 
@@ -84,7 +89,7 @@ struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio,
        return bip;
 err:
        mempool_free(bip, bs->bio_integrity_pool);
-       return NULL;
+       return ERR_PTR(-ENOMEM);
 }
 EXPORT_SYMBOL(bio_integrity_alloc);
 
@@ -177,11 +182,11 @@ bool bio_integrity_enabled(struct bio *bio)
        if (bi == NULL)
                return false;
 
-       if (bio_data_dir(bio) == READ && bi->verify_fn != NULL &&
+       if (bio_data_dir(bio) == READ && bi->profile->verify_fn != NULL &&
            (bi->flags & BLK_INTEGRITY_VERIFY))
                return true;
 
-       if (bio_data_dir(bio) == WRITE && bi->generate_fn != NULL &&
+       if (bio_data_dir(bio) == WRITE && bi->profile->generate_fn != NULL &&
            (bi->flags & BLK_INTEGRITY_GENERATE))
                return true;
 
@@ -202,7 +207,7 @@ EXPORT_SYMBOL(bio_integrity_enabled);
 static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
                                                   unsigned int sectors)
 {
-       return sectors >> (ilog2(bi->interval) - 9);
+       return sectors >> (bi->interval_exp - 9);
 }
 
 static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
@@ -229,7 +234,7 @@ static int bio_integrity_process(struct bio *bio,
                bip->bip_vec->bv_offset;
 
        iter.disk_name = bio->bi_bdev->bd_disk->disk_name;
-       iter.interval = bi->interval;
+       iter.interval = 1 << bi->interval_exp;
        iter.seed = bip_get_seed(bip);
        iter.prot_buf = prot_buf;
 
@@ -293,10 +298,10 @@ int bio_integrity_prep(struct bio *bio)
 
        /* Allocate bio integrity payload and integrity vectors */
        bip = bio_integrity_alloc(bio, GFP_NOIO, nr_pages);
-       if (unlikely(bip == NULL)) {
+       if (IS_ERR(bip)) {
                printk(KERN_ERR "could not allocate data integrity bioset\n");
                kfree(buf);
-               return -EIO;
+               return PTR_ERR(bip);
        }
 
        bip->bip_flags |= BIP_BLOCK_INTEGRITY;
@@ -340,7 +345,7 @@ int bio_integrity_prep(struct bio *bio)
 
        /* Auto-generate integrity metadata if this is a write */
        if (bio_data_dir(bio) == WRITE)
-               bio_integrity_process(bio, bi->generate_fn);
+               bio_integrity_process(bio, bi->profile->generate_fn);
 
        return 0;
 }
@@ -361,7 +366,7 @@ static void bio_integrity_verify_fn(struct work_struct *work)
        struct bio *bio = bip->bip_bio;
        struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
 
-       bio->bi_error = bio_integrity_process(bio, bi->verify_fn);
+       bio->bi_error = bio_integrity_process(bio, bi->profile->verify_fn);
 
        /* Restore original bio completion handler */
        bio->bi_end_io = bip->bip_end_io;
@@ -460,9 +465,8 @@ int bio_integrity_clone(struct bio *bio, struct bio *bio_src,
        BUG_ON(bip_src == NULL);
 
        bip = bio_integrity_alloc(bio, gfp_mask, bip_src->bip_vcnt);
-
-       if (bip == NULL)
-               return -EIO;
+       if (IS_ERR(bip))
+               return PTR_ERR(bip);
 
        memcpy(bip->bip_vec, bip_src->bip_vec,
               bip_src->bip_vcnt * sizeof(struct bio_vec));