Signed-off-by: Pavel Shilovsky <[email protected]>
---
 fs/cifs/file.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 2cd4a7c..b149ae4 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -681,6 +681,13 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool 
can_flush)
         * not dirty locally we could do this.
         */
        rc = server->ops->open(xid, &oparms, &oplock, NULL);
+       if (rc == -ENOENT && oparms.reconnect == false) {
+               /* durable handle timeout is expired - open the file again */
+               rc = server->ops->open(xid, &oparms, &oplock, NULL);
+               /* indicate that we need to relock the file */
+               oparms.reconnect = true;
+       }
+
        if (rc) {
                mutex_unlock(&cfile->fh_mutex);
                cifs_dbg(FYI, "cifs_reopen returned 0x%x\n", rc);
@@ -1509,7 +1516,6 @@ cifs_setlk(struct file *file, struct file_lock *flock, 
__u32 type,
                if (!rc)
                        goto out;
 
-
                /*
                 * Windows 7 server can delay breaking lease from read to None
                 * if we set a byte-range lock on a file - break it explicitly
-- 
1.7.10.4

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