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1b52931ca9
Inode i_filelock_ref is increased in ceph_lock or ceph_flock, but it is increased again in ceph_lock_message. This results in this ref won't become zero. If CEPH_I_ERROR_FILELOCK flag is set in remove_session_caps once, this flag can't be cleared even if client is back to normal. So further file lock will return EIO. Signed-off-by: Zhi Zhang <zhang.david2011@gmail.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.