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1831840c2b
When flushing the btree write buffer, we pull write buffer keys directly from the journal instead of letting the journal write path copy them to the write buffer. When flushing from the currently open journal buffer, we have to block new reservations and wait for outstanding reservations to complete. Recheck the reservation state after blocking new reservations: previously, we were checking the reservation count from before calling __journal_block(). Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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.