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a8810cdc00
Testing with the fscache overhaul has triggered some lockdep warnings about circular lock dependencies involving page_mkwrite and the mmap_lock. It'd be better to do the "real work" without the mmap lock being held. Change the skip_checking_caps parameter in __ceph_put_cap_refs to an enum, and use that to determine whether to queue check_caps, do it synchronously or not at all. Change ceph_page_mkwrite to do a ceph_put_cap_refs_async(). Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Ilya Dryomov <idryomov@gmail.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.