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 <m...@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 34a46c32c24f..b67500d5b338 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));
--
2.7.0
------------------------------------------------------------------------------
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