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Ilya noticed that the first access to a blacklisted mount would often get back -EACCES, but then subsequent calls would be OK. The problem is in __do_request. If the session is marked as REJECTED, a hard error is returned instead of waiting for a new session to come into being. When the session is REJECTED and the mount was done with recover_session=clean, queue the request to the waiting_for_map queue, which will be awoken after tearing down the old session. We can only do this for sync requests though, so check for async ones first and just let the callers redrive a sync request. URL: https://tracker.ceph.com/issues/47385 Reported-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.