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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2017-06-02 18:01:40 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2017-06-15 11:04:06 +0200
commit44298024d30ad36439707b89715a76333f58791b (patch)
treeb349575e438cad1edd16035909a6359c9f7ff904 /nbd
parentd1fdf257d52822695f5ace6c586e059aa17d4b79 (diff)
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nbd: make nbd_drop public
Following commit will reuse it for nbd server too. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20170602150150.258222-3-vsementsov@virtuozzo.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'nbd')
-rw-r--r--nbd/client.c26
-rw-r--r--nbd/common.c26
-rw-r--r--nbd/nbd-internal.h2
3 files changed, 28 insertions, 26 deletions
diff --git a/nbd/client.c b/nbd/client.c
index 17ac85f..b97143f 100644
--- a/nbd/client.c
+++ b/nbd/client.c
@@ -86,32 +86,6 @@ static QTAILQ_HEAD(, NBDExport) exports = QTAILQ_HEAD_INITIALIZER(exports);
*/
-/* Discard length bytes from channel. Return -errno on failure and 0 on
- * success*/
-static int nbd_drop(QIOChannel *ioc, size_t size, Error **errp)
-{
- ssize_t ret = 0;
- char small[1024];
- char *buffer;
-
- buffer = sizeof(small) >= size ? small : g_malloc(MIN(65536, size));
- while (size > 0) {
- ssize_t count = MIN(65536, size);
- ret = nbd_read(ioc, buffer, MIN(65536, size), errp);
-
- if (ret < 0) {
- goto cleanup;
- }
- size -= count;
- }
-
- cleanup:
- if (buffer != small) {
- g_free(buffer);
- }
- return ret;
-}
-
/* Send an option request.
*
* The request is for option @opt, with @data containing @len bytes of
diff --git a/nbd/common.c b/nbd/common.c
index d6b719d..6b5c1b7 100644
--- a/nbd/common.c
+++ b/nbd/common.c
@@ -65,6 +65,32 @@ ssize_t nbd_rwv(QIOChannel *ioc, struct iovec *iov, size_t niov, size_t length,
return done;
}
+/* Discard length bytes from channel. Return -errno on failure and 0 on
+ * success */
+int nbd_drop(QIOChannel *ioc, size_t size, Error **errp)
+{
+ ssize_t ret = 0;
+ char small[1024];
+ char *buffer;
+
+ buffer = sizeof(small) >= size ? small : g_malloc(MIN(65536, size));
+ while (size > 0) {
+ ssize_t count = MIN(65536, size);
+ ret = nbd_read(ioc, buffer, MIN(65536, size), errp);
+
+ if (ret < 0) {
+ goto cleanup;
+ }
+ size -= count;
+ }
+
+ cleanup:
+ if (buffer != small) {
+ g_free(buffer);
+ }
+ return ret;
+}
+
void nbd_tls_handshake(QIOTask *task,
void *opaque)
diff --git a/nbd/nbd-internal.h b/nbd/nbd-internal.h
index 753cb9d..39bfed1 100644
--- a/nbd/nbd-internal.h
+++ b/nbd/nbd-internal.h
@@ -153,4 +153,6 @@ struct NBDTLSHandshakeData {
void nbd_tls_handshake(QIOTask *task,
void *opaque);
+int nbd_drop(QIOChannel *ioc, size_t size, Error **errp);
+
#endif