CIFS: Send as many mandatory unlock ranges at once as possible

that reduces a traffic and increases a performance.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 67c26cfe160d..ef4f631e4c01 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -368,6 +368,9 @@ extern int CIFSGetSrvInodeNumber(const int xid, struct cifs_tcon *tcon,
                         const struct nls_table *nls_codepage,
                         int remap_special_chars);
 
+extern int cifs_lockv(const int xid, struct cifs_tcon *tcon, const __u16 netfid,
+                      const __u8 lock_type, const __u32 num_unlock,
+                      const __u32 num_lock, LOCKING_ANDX_RANGE *buf);
 extern int CIFSSMBLock(const int xid, struct cifs_tcon *tcon,
                         const __u16 netfid, const __u32 netpid, const __u64 len,
                         const __u64 offset, const __u32 numUnlock,