Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6

[linux-drm-fsl-dcu.git] / fs / cifs / cifsfs.c

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index e24ca79b140c9e5d62990c0aef2ea01f20223efe..c48ca13673e37f2eba7c4045f140e6e8b740e499 100644 (file)
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -507,6 +507,8 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
 
        seq_printf(s, ",rsize=%u", cifs_sb->rsize);
        seq_printf(s, ",wsize=%u", cifs_sb->wsize);
+       seq_printf(s, ",echo_interval=%lu",
+                       tcon->ses->server->echo_interval / HZ);
        /* convert actimeo and display it in seconds */
        seq_printf(s, ",actimeo=%lu", cifs_sb->actimeo / HZ);
 
@@ -752,6 +754,9 @@ cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter)
        ssize_t rc;
        struct inode *inode = file_inode(iocb->ki_filp);
 
+       if (iocb->ki_filp->f_flags & O_DIRECT)
+               return cifs_user_readv(iocb, iter);
+
        rc = cifs_revalidate_mapping(inode);
        if (rc)
                return rc;
@@ -766,6 +771,18 @@ static ssize_t cifs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
        ssize_t written;
        int rc;
 
+       if (iocb->ki_filp->f_flags & O_DIRECT) {
+               written = cifs_user_writev(iocb, from);
+               if (written > 0 && CIFS_CACHE_READ(cinode)) {
+                       cifs_zap_mapping(inode);
+                       cifs_dbg(FYI,
+                                "Set no oplock for inode=%p after a write operation\n",
+                                inode);
+                       cinode->oplock = 0;
+               }
+               return written;
+       }
+
        written = cifs_get_writer(cinode);
        if (written)
                return written;