]> Pileus Git - ~andy/linux/blobdiff - fs/bio-integrity.c
Merge tag 'sunxi-fixes-for-3.14' of https://github.com/mripard/linux into fixes
[~andy/linux] / fs / bio-integrity.c
index 80d972d739e5d32236b0df186d6312dcab028f3f..0129b78a69086b3ba2d53f24ab6d54b23faf6862 100644 (file)
@@ -114,6 +114,14 @@ void bio_integrity_free(struct bio *bio)
 }
 EXPORT_SYMBOL(bio_integrity_free);
 
+static inline unsigned int bip_integrity_vecs(struct bio_integrity_payload *bip)
+{
+       if (bip->bip_slab == BIO_POOL_NONE)
+               return BIP_INLINE_VECS;
+
+       return bvec_nr_vecs(bip->bip_slab);
+}
+
 /**
  * bio_integrity_add_page - Attach integrity metadata
  * @bio:       bio to update
@@ -129,7 +137,7 @@ int bio_integrity_add_page(struct bio *bio, struct page *page,
        struct bio_integrity_payload *bip = bio->bi_integrity;
        struct bio_vec *iv;
 
-       if (bip->bip_vcnt >= bvec_nr_vecs(bip->bip_slab)) {
+       if (bip->bip_vcnt >= bip_integrity_vecs(bip)) {
                printk(KERN_ERR "%s: bip_vec full\n", __func__);
                return 0;
        }
@@ -226,7 +234,8 @@ unsigned int bio_integrity_tag_size(struct bio *bio)
 }
 EXPORT_SYMBOL(bio_integrity_tag_size);
 
-int bio_integrity_tag(struct bio *bio, void *tag_buf, unsigned int len, int set)
+static int bio_integrity_tag(struct bio *bio, void *tag_buf, unsigned int len,
+                            int set)
 {
        struct bio_integrity_payload *bip = bio->bi_integrity;
        struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
@@ -447,20 +456,21 @@ static int bio_integrity_verify(struct bio *bio)
 {
        struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
        struct blk_integrity_exchg bix;
-       struct bio_vec bv;
-       struct bvec_iter iter;
+       struct bio_vec *bv;
        sector_t sector = bio->bi_integrity->bip_iter.bi_sector;
        unsigned int sectors, total, ret;
        void *prot_buf = bio->bi_integrity->bip_buf;
+       int i;
 
        ret = total = 0;
        bix.disk_name = bio->bi_bdev->bd_disk->disk_name;
        bix.sector_size = bi->sector_size;
 
-       bio_for_each_segment(bv, bio, iter) {
-               void *kaddr = kmap_atomic(bv.bv_page);
-               bix.data_buf = kaddr + bv.bv_offset;
-               bix.data_size = bv.bv_len;
+       bio_for_each_segment_all(bv, bio, i) {
+               void *kaddr = kmap_atomic(bv->bv_page);
+
+               bix.data_buf = kaddr + bv->bv_offset;
+               bix.data_size = bv->bv_len;
                bix.prot_buf = prot_buf;
                bix.sector = sector;
 
@@ -471,7 +481,7 @@ static int bio_integrity_verify(struct bio *bio)
                        return ret;
                }
 
-               sectors = bv.bv_len / bi->sector_size;
+               sectors = bv->bv_len / bi->sector_size;
                sector += sectors;
                prot_buf += sectors * bi->tuple_size;
                total += sectors * bi->tuple_size;