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Sat, 30 May 2020 18:57:46 -0700 (PDT) Subject: Re: [PATCHSET v5 0/12] Add support for async buffered reads To: sedat.dilek@gmail.com Cc: io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org References: <20200526195123.29053-1-axboe@kernel.dk> From: Jens Axboe Message-ID: <230d3380-0269-d113-2c32-6e4fb94b79b8@kernel.dk> Date: Sat, 30 May 2020 19:57:45 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 6C7C918038E68 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 5/30/20 12:57 PM, Sedat Dilek wrote: > Here are the numbers with your patchset: > > # cat systemd-analyze-time_5.7.0-rc7-4-amd64-clang_2nd-try.txt > Startup finished in 7.229s (kernel) + 1min 18.304s (userspace) = 1min 25.534s > graphical.target reached after 1min 18.286s in userspace Can you see if this makes a difference? diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index c296463c15eb..ccb895f911b1 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -374,8 +374,7 @@ enum req_flag_bits { #define REQ_INTEGRITY (1ULL << __REQ_INTEGRITY) #define REQ_FUA (1ULL << __REQ_FUA) #define REQ_PREFLUSH (1ULL << __REQ_PREFLUSH) -#define REQ_RAHEAD \ - ((1ULL << __REQ_RAHEAD) | (1ULL << __REQ_NOWAIT)) +#define REQ_RAHEAD (1ULL << __REQ_RAHEAD) #define REQ_BACKGROUND (1ULL << __REQ_BACKGROUND) #define REQ_NOWAIT (1ULL << __REQ_NOWAIT) #define REQ_CGROUP_PUNT (1ULL << __REQ_CGROUP_PUNT) -- Jens Axboe