diff options
Diffstat (limited to 'drivers/mtd/mtd_blkdevs.c')
| -rw-r--r-- | drivers/mtd/mtd_blkdevs.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index df8a5ef334c0..6b8d5cd7dbf6 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -84,9 +84,6 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr, nsect = blk_rq_cur_bytes(req) >> tr->blkshift; buf = bio_data(req->bio); - if (req->cmd_type != REQ_TYPE_FS) - return -EIO; - if (req_op(req) == REQ_OP_FLUSH) return tr->flush(dev); @@ -94,16 +91,16 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr, get_capacity(req->rq_disk)) return -EIO; - if (req_op(req) == REQ_OP_DISCARD) + switch (req_op(req)) { + case REQ_OP_DISCARD: return tr->discard(dev, block, nsect); - - if (rq_data_dir(req) == READ) { + case REQ_OP_READ: for (; nsect > 0; nsect--, block++, buf += tr->blksize) if (tr->readsect(dev, block, buf)) return -EIO; rq_flush_dcache_pages(req); return 0; - } else { + case REQ_OP_WRITE: if (!tr->writesect) return -EIO; @@ -112,6 +109,8 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr, if (tr->writesect(dev, block, buf)) return -EIO; return 0; + default: + return -EIO; } } |