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6f05b30ea0
write can stuck at waiting for larger max_size in following sequence of events: - client opens a file and writes to position 'A' (larger than unit of max size increment) - client closes the file handle and updates wanted caps (not wanting file write caps) - client opens and truncates the file, writes to position 'A' again. At the 1st event, client set inode's requested_max_size to 'A'. At the 2nd event, mds removes client's writable range, but client does not reset requested_max_size. At the 3rd event, client does not request max size because requested_max_size is already larger than 'A'. Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> 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.