Linux kernel source tree
a33f72554a
David Howells <dhowells@redhat.com> says:
Here are some miscellaneous fixes and changes for netfslib:
(1) Fix a number of read-retry hangs, including:
(a) Incorrect getting/putting of references on subreqs as we retry
them.
(b) Failure to track whether a last old subrequest in a retried set is
superfluous.
(c) Inconsistency in the usage of wait queues used for subrequests
(ie. using clear_and_wake_up_bit() whilst waiting on a private
waitqueue).
(Note that waitqueue consistency also needs looking at for
netfs_io_request structs.)
(2) Add stats counters for retries and publish in /proc/fs/netfs/stats.
This is not a fix per se, but is useful in debugging and shouldn't
otherwise change the operation of the code.
(3) Fix the ordering of queuing subrequests with respect to setting the
request flag that says we've now queued them all.
* patches from https://lore.kernel.org/r/20250212222402.3618494-1-dhowells@redhat.com:
netfs: Fix setting NETFS_RREQ_ALL_QUEUED to be after all subreqs queued
netfs: Add retry stat counters
netfs: Fix a number of read-retry hangs
Link: https://lore.kernel.org/r/20250212222402.3618494-1-dhowells@redhat.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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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.