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authorPavel Shilovsky <piastry@etersoft.ru>2012-03-15 13:22:27 +0300
committerSteve French <sfrench@us.ibm.com>2012-03-21 11:35:36 -0500
commitbc205ed19bdb56576b291830bc3f752aef5e3923 (patch)
treeabdda57d027c601d40027572b2d070b9432670a2 /fs/cifs/cifsglob.h
parent5bc594982f49220d33e927e3c9e028bf87b4745c (diff)
downloadop-kernel-dev-bc205ed19bdb56576b291830bc3f752aef5e3923.zip
op-kernel-dev-bc205ed19bdb56576b291830bc3f752aef5e3923.tar.gz
CIFS: Prepare credits code for a slot reservation
that is essential for CIFS/SMB/SMB2 oplock breaks and SMB2 echos. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r--fs/cifs/cifsglob.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index d55de96..2309a67 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -315,12 +315,22 @@ in_flight(struct TCP_Server_Info *server)
return num;
}
+static inline int*
+get_credits_field(struct TCP_Server_Info *server)
+{
+ /*
+ * This will change to switch statement when we reserve slots for echos
+ * and oplock breaks.
+ */
+ return &server->credits;
+}
+
static inline bool
-has_credits(struct TCP_Server_Info *server)
+has_credits(struct TCP_Server_Info *server, int *credits)
{
int num;
spin_lock(&server->req_lock);
- num = server->credits;
+ num = *credits;
spin_unlock(&server->req_lock);
return num > 0;
}
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