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authorRonnie Sahlberg <lsahlber@redhat.com>2019-03-08 12:58:19 +1000
committerSteve French <stfrench@microsoft.com>2019-03-14 19:32:35 -0500
commit4230cff8c0b7aaee7203e434b05a9acc1635fc04 (patch)
tree08ae867483d8dd7f1e63ecec69805da30a4adaa5 /fs
parent480b1cb9dad894f40523a29964746cfc6ebd714f (diff)
cifs: pass flags down into wait_for_free_credits()
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/transport.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index ed104c0550e8..9fcc4a82943d 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -486,15 +486,24 @@ smb_send(struct TCP_Server_Info *server, struct smb_hdr *smb_buffer,
}
static int
-wait_for_free_credits(struct TCP_Server_Info *server, const int timeout,
- int *credits, unsigned int *instance)
+wait_for_free_credits(struct TCP_Server_Info *server, const int flags,
+ unsigned int *instance)
{
int rc;
+ int *credits;
+ int optype;
+
+ optype = flags & CIFS_OP_MASK;
*instance = 0;
+ credits = server->ops->get_credits_field(server, optype);
+ /* Since an echo is already inflight, no need to wait to send another */
+ if (*credits <= 0 && optype == CIFS_ECHO_OP)
+ return -EAGAIN;
+
spin_lock(&server->req_lock);
- if (timeout == CIFS_ASYNC_OP) {
+ if ((flags & CIFS_TIMEOUT_MASK) == CIFS_ASYNC_OP) {
/* oplock breaks must not be held up */
server->in_flight++;
*credits -= 1;
@@ -525,7 +534,7 @@ wait_for_free_credits(struct TCP_Server_Info *server, const int timeout,
*/
/* update # of requests on the wire to server */
- if (timeout != CIFS_BLOCKING_OP) {
+ if ((flags & CIFS_TIMEOUT_MASK) != CIFS_BLOCKING_OP) {
*credits -= 1;
server->in_flight++;
*instance = server->reconnect_instance;
@@ -541,18 +550,7 @@ static int
wait_for_free_request(struct TCP_Server_Info *server, const int flags,
unsigned int *instance)
{
- int *val;
- int timeout, optype;
-
- timeout = flags & CIFS_TIMEOUT_MASK;
- optype = flags & CIFS_OP_MASK;
-
- val = server->ops->get_credits_field(server, optype);
- /* Since an echo is already inflight, no need to wait to send another */
- if (*val <= 0 && optype == CIFS_ECHO_OP)
- return -EAGAIN;
-
- return wait_for_free_credits(server, timeout, val, instance);
+ return wait_for_free_credits(server, flags, instance);
}
int