diff options
Diffstat (limited to 'drivers/block/nbd.c')
-rw-r--r-- | drivers/block/nbd.c | 37 |
1 files changed, 15 insertions, 22 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 42a53956aefe..394f8ec83cf0 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -108,7 +108,7 @@ static const char *nbdcmd_to_ascii(int cmd) static int nbd_size_clear(struct nbd_device *nbd, struct block_device *bdev) { - bdev->bd_inode->i_size = 0; + bd_set_size(bdev, 0); set_capacity(nbd->disk, 0); kobject_uevent(&nbd_to_dev(nbd)->kobj, KOBJ_CHANGE); @@ -117,29 +117,21 @@ static int nbd_size_clear(struct nbd_device *nbd, struct block_device *bdev) static void nbd_size_update(struct nbd_device *nbd, struct block_device *bdev) { - if (!nbd_is_connected(nbd)) - return; - - bdev->bd_inode->i_size = nbd->bytesize; + blk_queue_logical_block_size(nbd->disk->queue, nbd->blksize); + blk_queue_physical_block_size(nbd->disk->queue, nbd->blksize); + bd_set_size(bdev, nbd->bytesize); + set_blocksize(bdev, nbd->blksize); set_capacity(nbd->disk, nbd->bytesize >> 9); kobject_uevent(&nbd_to_dev(nbd)->kobj, KOBJ_CHANGE); } -static int nbd_size_set(struct nbd_device *nbd, struct block_device *bdev, +static void nbd_size_set(struct nbd_device *nbd, struct block_device *bdev, loff_t blocksize, loff_t nr_blocks) { - int ret; - - ret = set_blocksize(bdev, blocksize); - if (ret) - return ret; - nbd->blksize = blocksize; nbd->bytesize = blocksize * nr_blocks; - - nbd_size_update(nbd, bdev); - - return 0; + if (nbd_is_connected(nbd)) + nbd_size_update(nbd, bdev); } static void nbd_end_request(struct nbd_cmd *cmd) @@ -655,16 +647,17 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd, case NBD_SET_BLKSIZE: { loff_t bsize = div_s64(nbd->bytesize, arg); - return nbd_size_set(nbd, bdev, arg, bsize); + nbd_size_set(nbd, bdev, arg, bsize); + return 0; } case NBD_SET_SIZE: - return nbd_size_set(nbd, bdev, nbd->blksize, - div_s64(arg, nbd->blksize)); - + nbd_size_set(nbd, bdev, nbd->blksize, + div_s64(arg, nbd->blksize)); + return 0; case NBD_SET_SIZE_BLOCKS: - return nbd_size_set(nbd, bdev, nbd->blksize, arg); - + nbd_size_set(nbd, bdev, nbd->blksize, arg); + return 0; case NBD_SET_TIMEOUT: if (arg) { nbd->tag_set.timeout = arg * HZ; |