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[ Upstream commit2fab9faf9b] The lustre-release patch commit bdc5bb52c554 ("LU-4933 osc: Automatically increase the max_dirty_mb") changed - if (cli->cl_dirty + PAGE_CACHE_SIZE <= cli->cl_dirty_max && + if (cli->cl_dirty_pages < cli->cl_dirty_max_pages && When this patch landed in Linux a couple of years later, it landed as - if (cli->cl_dirty + PAGE_SIZE <= cli->cl_dirty_max && + if (cli->cl_dirty_pages <= cli->cl_dirty_max_pages && which is clearly different ('<=' vs '<'), and allows cl_dirty_pages to increase beyond cl_dirty_max_pages - which causes a latter assertion to fails. Fixes:3147b26840("staging: lustre: osc: Automatically increase the max_dirty_mb") Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.