Messages in this thread Patch in this message | | | From | Markus Pargmann <> | Subject | [PATCH 4/4] nbd: Move flag parsing to a function | Date | Thu, 29 Oct 2015 16:42:40 +0100 |
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nbd changes properties of the blockdevice depending on flags that were received. This patch moves this flag parsing into a separate function nbd_parse_flags().
Signed-off-by: Markus Pargmann <mpa@pengutronix.de> --- drivers/block/nbd.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 8ba142b4cfe1..205cfc404bc0 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -639,6 +639,18 @@ static void nbd_bdev_reset(struct block_device *bdev) } } +static void nbd_parse_flags(struct nbd_device *nbd, struct block_device *bdev) +{ + if (nbd->flags & NBD_FLAG_READ_ONLY) + set_device_ro(bdev, true); + if (nbd->flags & NBD_FLAG_SEND_TRIM) + queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue); + if (nbd->flags & NBD_FLAG_SEND_FLUSH) + blk_queue_flush(nbd->disk->queue, REQ_FLUSH); + else + blk_queue_flush(nbd->disk->queue, 0); +} + static int nbd_dev_dbg_init(struct nbd_device *nbd); static void nbd_dev_dbg_close(struct nbd_device *nbd); @@ -736,15 +748,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd, mutex_unlock(&nbd->tx_lock); - if (nbd->flags & NBD_FLAG_READ_ONLY) - set_device_ro(bdev, true); - if (nbd->flags & NBD_FLAG_SEND_TRIM) - queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, - nbd->disk->queue); - if (nbd->flags & NBD_FLAG_SEND_FLUSH) - blk_queue_flush(nbd->disk->queue, REQ_FLUSH); - else - blk_queue_flush(nbd->disk->queue, 0); + nbd_parse_flags(nbd, bdev); thread = kthread_run(nbd_thread_send, nbd, "%s", nbd_name(nbd)); -- 2.6.1
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