From: Mike Christie <mchristi@redhat.com>
To: nbd@other.debian.org, axboe@kernel.dk, josef@toxicpanda.com,
linux-block@vger.kernel.org
Cc: Mike Christie <mchristi@redhat.com>
Subject: [PATCH 1/2] nbd: move send_disconnects
Date: Fri, 15 Nov 2019 23:50:16 -0600 [thread overview]
Message-ID: <20191116055017.6253-2-mchristi@redhat.com> (raw)
In-Reply-To: <20191116055017.6253-1-mchristi@redhat.com>
Just move send_disconnects so we can call it earlier in the file in the
next patch.
Signed-off-by: Mike Christie <mchristi@redhat.com>
---
drivers/block/nbd.c | 48 ++++++++++++++++++++++-----------------------
1 file changed, 24 insertions(+), 24 deletions(-)
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a94ee45440b3..06b63c11ae50 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -980,6 +980,30 @@ static blk_status_t nbd_queue_rq(struct blk_mq_hw_ctx *hctx,
return ret;
}
+static void send_disconnects(struct nbd_device *nbd)
+{
+ struct nbd_config *config = nbd->config;
+ struct nbd_request request = {
+ .magic = htonl(NBD_REQUEST_MAGIC),
+ .type = htonl(NBD_CMD_DISC),
+ };
+ struct kvec iov = {.iov_base = &request, .iov_len = sizeof(request)};
+ struct iov_iter from;
+ int i, ret;
+
+ for (i = 0; i < config->num_connections; i++) {
+ struct nbd_sock *nsock = config->socks[i];
+
+ iov_iter_kvec(&from, WRITE, &iov, 1, sizeof(request));
+ mutex_lock(&nsock->tx_lock);
+ ret = sock_xmit(nbd, i, 1, &from, 0, NULL);
+ if (ret <= 0)
+ dev_err(disk_to_dev(nbd->disk),
+ "Send disconnect failed %d\n", ret);
+ mutex_unlock(&nsock->tx_lock);
+ }
+}
+
static struct socket *nbd_get_socket(struct nbd_device *nbd, unsigned long fd,
int *err)
{
@@ -1139,30 +1163,6 @@ static void nbd_parse_flags(struct nbd_device *nbd)
blk_queue_write_cache(nbd->disk->queue, false, false);
}
-static void send_disconnects(struct nbd_device *nbd)
-{
- struct nbd_config *config = nbd->config;
- struct nbd_request request = {
- .magic = htonl(NBD_REQUEST_MAGIC),
- .type = htonl(NBD_CMD_DISC),
- };
- struct kvec iov = {.iov_base = &request, .iov_len = sizeof(request)};
- struct iov_iter from;
- int i, ret;
-
- for (i = 0; i < config->num_connections; i++) {
- struct nbd_sock *nsock = config->socks[i];
-
- iov_iter_kvec(&from, WRITE, &iov, 1, sizeof(request));
- mutex_lock(&nsock->tx_lock);
- ret = sock_xmit(nbd, i, 1, &from, 0, NULL);
- if (ret <= 0)
- dev_err(disk_to_dev(nbd->disk),
- "Send disconnect failed %d\n", ret);
- mutex_unlock(&nsock->tx_lock);
- }
-}
-
static int nbd_disconnect(struct nbd_device *nbd)
{
struct nbd_config *config = nbd->config;
--
2.21.0
next prev parent reply other threads:[~2019-11-16 5:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-16 5:50 [PATCH 0/2] nbd: local daemon restart support Mike Christie
2019-11-16 5:50 ` Mike Christie [this message]
2019-11-16 5:50 ` [PATCH 2/2] nbd: add support to replace running daemon Mike Christie
2019-11-19 16:46 ` [PATCH 0/2] nbd: local daemon restart support Mike Christie
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