CIFS: Simplify inFlight logic

by making it as unsigned integer and surround access with req_lock
from server structure.

Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index cd66b76e3282..d7cbcfa21a0c 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -721,7 +721,7 @@ cifs_echo_callback(struct mid_q_entry *mid)
         struct TCP_Server_Info *server = mid->callback_data;
 
         DeleteMidQEntry(mid);
-        atomic_dec(&server->inFlight);
+        dec_in_flight(server);
         wake_up(&server->request_q);
 }
 
@@ -1674,7 +1674,7 @@ cifs_readv_callback(struct mid_q_entry *mid)
 
         queue_work(system_nrt_wq, &rdata->work);
         DeleteMidQEntry(mid);
-        atomic_dec(&server->inFlight);
+        dec_in_flight(server);
         wake_up(&server->request_q);
 }
 
@@ -2115,7 +2115,7 @@ cifs_writev_callback(struct mid_q_entry *mid)
 
         queue_work(system_nrt_wq, &wdata->work);
         DeleteMidQEntry(mid);
-        atomic_dec(&tcon->ses->server->inFlight);
+        dec_in_flight(tcon->ses->server);
         wake_up(&tcon->ses->server->request_q);
 }