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6fddcb7754
No need for the commands_lock. The cmdr_lock is already held during idr addition and deletion, so just grab it during traversal. Note: This also fixes a issue where we should have been using at least _bh locking in tcmu_handle_completions when taking the commands lock to prevent the case where tcmu_handle_completions could be interrupted by a timer softirq while the commands_lock is held. Signed-off-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.