diff options
Diffstat (limited to 'drivers/mtd/mtd_blkdevs.c')
| -rw-r--r-- | drivers/mtd/mtd_blkdevs.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 4eaba6f4ec68..66f81d42fe77 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -46,6 +46,8 @@ static blk_status_t do_blktrans_request(struct mtd_blktrans_ops *tr, struct mtd_blktrans_dev *dev, struct request *req) { + struct req_iterator iter; + struct bio_vec bvec; unsigned long block, nsect; char *buf; @@ -76,13 +78,17 @@ static blk_status_t do_blktrans_request(struct mtd_blktrans_ops *tr, } } kunmap(bio_page(req->bio)); - rq_flush_dcache_pages(req); + + rq_for_each_segment(bvec, req, iter) + flush_dcache_page(bvec.bv_page); return BLK_STS_OK; case REQ_OP_WRITE: if (!tr->writesect) return BLK_STS_IOERR; - rq_flush_dcache_pages(req); + rq_for_each_segment(bvec, req, iter) + flush_dcache_page(bvec.bv_page); + buf = kmap(bio_page(req->bio)) + bio_offset(req->bio); for (; nsect > 0; nsect--, block++, buf += tr->blksize) { if (tr->writesect(dev, block, buf)) { |