CIFS: Move async read to ops struct

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index aa1dccf0df9e..ec7c2e6bcbdf 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2488,6 +2488,9 @@ static int
 cifs_retry_async_readv(struct cifs_readdata *rdata)
 {
         int rc;
+        struct TCP_Server_Info *server;
+
+        server = tlink_tcon(rdata->cfile->tlink)->ses->server;
 
         do {
                 if (rdata->cfile->invalidHandle) {
@@ -2495,7 +2498,7 @@ cifs_retry_async_readv(struct cifs_readdata *rdata)
                         if (rc != 0)
                                 continue;
                 }
-                rc = cifs_async_readv(rdata);
+                rc = server->ops->async_readv(rdata);
         } while (rc == -EAGAIN);
 
         return rc;
@@ -2647,6 +2650,9 @@ cifs_iovec_read(struct file *file, const struct iovec *iov,
         open_file = file->private_data;
         tcon = tlink_tcon(open_file->tlink);
 
+        if (!tcon->ses->server->ops->async_readv)
+                return -ENOSYS;
+
         if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RWPIDFORWARD)
                 pid = open_file->pid;
         else