Merge tag 'drm-vc4-fixes-2016-09-14' of https://github.com/anholt/linux into drm...

[linux-2.6-block.git] / drivers / nvdimm / btt.c

diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 9dce03f420eb5f77e8dc625c018c35014591abe4..368795aad5c974dbb59b1a43825b76c3e443acd2 100644 (file)
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1133,11 +1133,11 @@ static int btt_write_pg(struct btt *btt, struct bio_integrity_payload *bip,
 
 static int btt_do_bvec(struct btt *btt, struct bio_integrity_payload *bip,
                        struct page *page, unsigned int len, unsigned int off,
-                       int rw, sector_t sector)
+                       bool is_write, sector_t sector)
 {
        int ret;
 
-       if (rw == READ) {
+       if (!is_write) {
                ret = btt_read_pg(btt, bip, page, off, sector, len);
                flush_dcache_page(page);
        } else {
@@ -1155,7 +1155,7 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio)
        struct bvec_iter iter;
        unsigned long start;
        struct bio_vec bvec;
-       int err = 0, rw;
+       int err = 0;
        bool do_acct;
 
        /*
@@ -1170,7 +1170,6 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio)
        }
 
        do_acct = nd_iostat_start(bio, &start);
-       rw = bio_data_dir(bio);
        bio_for_each_segment(bvec, bio, iter) {
                unsigned int len = bvec.bv_len;
 
@@ -1181,11 +1180,12 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio)
                BUG_ON(len % btt->sector_size);
 
                err = btt_do_bvec(btt, bip, bvec.bv_page, len, bvec.bv_offset,
-                               rw, iter.bi_sector);
+                                 op_is_write(bio_op(bio)), iter.bi_sector);
                if (err) {
                        dev_info(&btt->nd_btt->dev,
                                        "io error in %s sector %lld, len %d,\n",
-                                       (rw == READ) ? "READ" : "WRITE",
+                                       (op_is_write(bio_op(bio))) ? "WRITE" :
+                                       "READ",
                                        (unsigned long long) iter.bi_sector, len);
                        bio->bi_error = err;
                        break;
@@ -1200,12 +1200,12 @@ out:
 }
 
 static int btt_rw_page(struct block_device *bdev, sector_t sector,
-               struct page *page, int rw)
+               struct page *page, bool is_write)
 {
        struct btt *btt = bdev->bd_disk->private_data;
 
-       btt_do_bvec(btt, NULL, page, PAGE_SIZE, 0, rw, sector);
-       page_endio(page, rw & WRITE, 0);
+       btt_do_bvec(btt, NULL, page, PAGE_SIZE, 0, is_write, sector);
+       page_endio(page, is_write, 0);
        return 0;
 }
 
@@ -1269,6 +1269,7 @@ static int btt_blk_init(struct btt *btt)
                }
        }
        set_capacity(btt->btt_disk, btt->nlba * btt->sector_size >> 9);
+       btt->nd_btt->size = btt->nlba * (u64)btt->sector_size;
        revalidate_disk(btt->btt_disk);
 
        return 0;