diff options
| -rw-r--r-- | drivers/block/ublk_drv.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 8f0d005a64e2..06d69251df85 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -2709,38 +2709,32 @@ fail: return ERR_PTR(-EACCES); } -static ssize_t ublk_ch_read_iter(struct kiocb *iocb, struct iov_iter *to) +static ssize_t +ublk_user_copy(struct kiocb *iocb, struct iov_iter *iter, int dir) { struct request *req; struct ublk_io *io; size_t buf_off; size_t ret; - req = ublk_check_and_get_req(iocb, to, &buf_off, ITER_DEST, &io); + req = ublk_check_and_get_req(iocb, iter, &buf_off, dir, &io); if (IS_ERR(req)) return PTR_ERR(req); - ret = ublk_copy_user_pages(req, buf_off, to, ITER_DEST); + ret = ublk_copy_user_pages(req, buf_off, iter, dir); ublk_put_req_ref(io, req); return ret; } -static ssize_t ublk_ch_write_iter(struct kiocb *iocb, struct iov_iter *from) +static ssize_t ublk_ch_read_iter(struct kiocb *iocb, struct iov_iter *to) { - struct request *req; - struct ublk_io *io; - size_t buf_off; - size_t ret; - - req = ublk_check_and_get_req(iocb, from, &buf_off, ITER_SOURCE, &io); - if (IS_ERR(req)) - return PTR_ERR(req); - - ret = ublk_copy_user_pages(req, buf_off, from, ITER_SOURCE); - ublk_put_req_ref(io, req); + return ublk_user_copy(iocb, to, ITER_DEST); +} - return ret; +static ssize_t ublk_ch_write_iter(struct kiocb *iocb, struct iov_iter *from) +{ + return ublk_user_copy(iocb, from, ITER_SOURCE); } static const struct file_operations ublk_ch_fops = { |