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| author | Markus Pargmann <mpa@pengutronix.de> | 2015-10-29 12:06:15 +0100 |
|---|---|---|
| committer | Markus Pargmann <mpa@pengutronix.de> | 2016-02-05 08:52:33 +0100 |
| commit | d02cf53107792df373558851d6162dc4e4ceb95a (patch) | |
| tree | 670e8f839edac965a72446ea3a4d70f86ed4ef2e /drivers/block | |
| parent | 0e4f0f6f63d3416a9e529d99febfe98545427b81 (diff) | |
| download | op-kernel-dev-d02cf53107792df373558851d6162dc4e4ceb95a.zip op-kernel-dev-d02cf53107792df373558851d6162dc4e4ceb95a.tar.gz | |
nbd: Move flag parsing to a function
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>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/nbd.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 34a46c3..b67500d 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -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)); |
