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e0963ce53b
If the loca_reclaim field is set to TRUE, this indicates that the client is attempting to commit changes to a layout after the restart of the metadata server during the metadata server's recovery grace period. This type of request may be necessary when the client has uncommitted writes to provisionally allocated byte-ranges of a file that were sent to the storage devices before the restart of the metadata server. See RFC 8881, section 18.42.3. Without this, the client is not able to increase the file size and commit preallocated extents when the block/scsi layout server is restarted during a write and is in a grace period. And when the grace period ends, the client also cannot perform layoutcommit because the old layout state becomes invalid, resulting in file corruption. Co-developed-by: Konstantin Evtushenko <koevtushenko@yandex.com> Signed-off-by: Konstantin Evtushenko <koevtushenko@yandex.com> Signed-off-by: Sergey Bashirov <sergeybashirov@gmail.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> |
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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 reStructuredText 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.