diff options
Diffstat (limited to 'arch/um/drivers/ubd_kern.c')
| -rw-r--r-- | arch/um/drivers/ubd_kern.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 9dcf41f7d496..26bc83063562 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -772,8 +772,6 @@ static int ubd_open_dev(struct ubd *ubd_dev) ubd_dev->fd = fd; if(ubd_dev->cow.file != NULL){ - blk_queue_max_hw_sectors(ubd_dev->queue, 8 * sizeof(long)); - err = -ENOMEM; ubd_dev->cow.bitmap = vmalloc(ubd_dev->cow.bitmap_len); if(ubd_dev->cow.bitmap == NULL){ @@ -795,10 +793,6 @@ static int ubd_open_dev(struct ubd *ubd_dev) if(err < 0) goto error; ubd_dev->cow.fd = err; } - if (ubd_dev->no_trim == 0) { - blk_queue_max_discard_sectors(ubd_dev->queue, UBD_MAX_REQUEST); - blk_queue_max_write_zeroes_sectors(ubd_dev->queue, UBD_MAX_REQUEST); - } return 0; error: os_close_file(ubd_dev->fd); @@ -867,6 +861,13 @@ static int ubd_add(int n, char **error_out) if(ubd_dev->file == NULL) goto out; + if (ubd_dev->cow.file) + lim.max_hw_sectors = 8 * sizeof(long); + if (!ubd_dev->no_trim) { + lim.max_hw_discard_sectors = UBD_MAX_REQUEST; + lim.max_write_zeroes_sectors = UBD_MAX_REQUEST; + } + err = ubd_file_size(ubd_dev, &ubd_dev->size); if(err < 0){ *error_out = "Couldn't determine size of device's file"; |