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24fbd77d5a
commit7b3188e7edupstream. During some testing, it became evident that using IORING_OP_WRITE doesn't hash buffered writes like the other writes commands do. That's simply an oversight, and can cause performance regressions when doing buffered writes with this command. Correct that and add the flag, so that buffered writes are correctly hashed when using the non-iovec based write command. Cc: stable@vger.kernel.org Fixes:3a6820f2bb("io_uring: add non-vectored read/write commands") Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.