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authorMarkus Pargmann <mpa@pengutronix.de>2015-10-29 14:06:15 +0300
committerMarkus Pargmann <mpa@pengutronix.de>2016-02-05 10:52:33 +0300
commitd02cf53107792df373558851d6162dc4e4ceb95a (patch)
tree670e8f839edac965a72446ea3a4d70f86ed4ef2e /drivers/block/nbd.c
parent0e4f0f6f63d3416a9e529d99febfe98545427b81 (diff)
downloadlinux-d02cf53107792df373558851d6162dc4e4ceb95a.tar.xz
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/nbd.c')
-rw-r--r--drivers/block/nbd.c22
1 files 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));