diff options
Diffstat (limited to '')
-rw-r--r-- | arch/um/drivers/ubd_kern.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 69d2d0049a61..f4c1e6e97ad5 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -483,7 +483,6 @@ static void ubd_handler(void) if ((io_req->error == BLK_STS_NOTSUPP) && (req_op(io_req->req) == REQ_OP_DISCARD)) { blk_queue_max_discard_sectors(io_req->req->q, 0); blk_queue_max_write_zeroes_sectors(io_req->req->q, 0); - blk_queue_flag_clear(QUEUE_FLAG_DISCARD, io_req->req->q); } blk_mq_end_request(io_req->req, io_req->error); kfree(io_req); @@ -800,10 +799,8 @@ static int ubd_open_dev(struct ubd *ubd_dev) } if (ubd_dev->no_trim == 0) { ubd_dev->queue->limits.discard_granularity = SECTOR_SIZE; - ubd_dev->queue->limits.discard_alignment = SECTOR_SIZE; blk_queue_max_discard_sectors(ubd_dev->queue, UBD_MAX_REQUEST); blk_queue_max_write_zeroes_sectors(ubd_dev->queue, UBD_MAX_REQUEST); - blk_queue_flag_set(QUEUE_FLAG_DISCARD, ubd_dev->queue); } blk_queue_flag_set(QUEUE_FLAG_NONROT, ubd_dev->queue); return 0; @@ -928,7 +925,7 @@ static int ubd_add(int n, char **error_out) return 0; out_cleanup_disk: - blk_cleanup_disk(disk); + put_disk(disk); out_cleanup_tags: blk_mq_free_tag_set(&ubd_dev->tag_set); out: @@ -1035,7 +1032,7 @@ static int ubd_remove(int n, char **error_out) ubd_gendisk[n] = NULL; if(disk != NULL){ del_gendisk(disk); - blk_cleanup_disk(disk); + put_disk(disk); } err = 0; @@ -1265,7 +1262,7 @@ static void ubd_map_req(struct ubd *dev, struct io_thread_req *io_req, struct req_iterator iter; int i = 0; unsigned long byte_offset = io_req->offset; - int op = req_op(req); + enum req_op op = req_op(req); if (op == REQ_OP_WRITE_ZEROES || op == REQ_OP_DISCARD) { io_req->io_desc[0].buffer = NULL; @@ -1328,7 +1325,7 @@ static int ubd_submit_request(struct ubd *dev, struct request *req) int segs = 0; struct io_thread_req *io_req; int ret; - int op = req_op(req); + enum req_op op = req_op(req); if (op == REQ_OP_FLUSH) segs = 0; @@ -1526,13 +1523,19 @@ static void do_io(struct io_thread_req *req, struct io_desc *desc) } break; case REQ_OP_DISCARD: - case REQ_OP_WRITE_ZEROES: n = os_falloc_punch(req->fds[bit], off, len); if (n) { req->error = map_error(-n); return; } break; + case REQ_OP_WRITE_ZEROES: + n = os_falloc_zeroes(req->fds[bit], off, len); + if (n) { + req->error = map_error(-n); + return; + } + break; default: WARN_ON_ONCE(1); req->error = BLK_STS_NOTSUPP; @@ -1552,7 +1555,7 @@ static void do_io(struct io_thread_req *req, struct io_desc *desc) int kernel_fd = -1; /* Only changed by the io thread. XXX: currently unused. */ -static int io_count = 0; +static int io_count; int io_thread(void *arg) { |