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9bd42798d5
This is step 2/4 of a patch series to fix mid_q_entry memory leaks caused by race conditions in callback execution. Add a dedicated mid_counter_lock to protect current_mid counter, separating it from mid_queue_lock which protects pending_mid_q operations. This reduces lock contention and prepares for finer- grained locking in subsequent patches. Changes: - Add TCP_Server_Info->mid_counter_lock spinlock - Rename CurrentMid to current_mid for consistency - Use mid_counter_lock to protect current_mid access - Update locking documentation in cifsglob.h This separation allows mid allocation to proceed without blocking queue operations, improving performance under heavy load. Signed-off-by: Wang Zhaolong <wangzhaolong@huaweicloud.com> Acked-by: Enzo Matsumiya <ematsumiya@suse.de> Signed-off-by: Steve French <stfrench@microsoft.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.