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b40503ea4f
The function cached_dev_make_request() and flash_dev_make_request() call generic_start_io_acct() with (struct bcache_device)->disk when they start a closure. Then the function bio_complete() calls generic_end_io_acct() with (struct search)->orig_bio->bi_disk when the closure has done. Since the `bi_disk` is not the bcache device, the generic_end_io_acct() is called with a wrong device queue. It causes the "inflight" (in struct hd_struct) counter keep increasing without decreasing. This patch fix the problem by calling generic_end_io_acct() with (struct bcache_device)->disk. Signed-off-by: Zhai Zhaoxuan <kxuanobj@gmail.com> Reviewed-by: Michael Lyle <mlyle@lyle.org> Reviewed-by: Coly Li <colyli@suse.de> Reviewed-by: Tang Junhui <tang.junhui@zte.com.cn> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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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.