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nbd: Move flag parsing to a function

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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>
This commit is contained in:
Markus Pargmann 2015-10-29 12:06:15 +01:00
parent 0e4f0f6f63
commit d02cf53107
1 changed files with 13 additions and 9 deletions
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22
drivers/block/nbd.c
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@ -641,6 +641,18 @@ 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);
@ -742,15 +754,7 @@ 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));