tree af0f44e0266ad9b4e36a2b2eb37e781b72d3288f
parent 19e81573fca7b87ced7701e01ba164b968d929bd
author Pavel Shilovsky <pshilovsky@samba.org> 1412266415 +0400
committer Steve French <smfrench@gmail.com> 1412277461 -0500

CIFS: Fix readpages retrying on reconnects

If we got a reconnect error from async readv we re-add pages back
to page_list and continue loop. That is wrong because these pages
have been already added to the pagecache but page_list has pages that
have not been added to the pagecache yet. This ends up with a general
protection fault in put_pages after readpages. Fix it by not retrying
the read of these pages and falling back to readpage instead.

Fixes debian bug 762306

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
Tested-by: Arthur Marsh <arthur.marsh@internode.on.net>