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Message-Id: <167565481942.5323.508420128518769085.git-patchwork-notify@kernel.org>
Date: Mon, 06 Feb 2023 03:40:19 +0000
From: patchwork-bot+f2fs@...nel.org
To: Chao Yu <chao@...nel.org>
Cc: jaegeuk@...nel.org, nathan@...nel.org,
linux-kernel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v3] f2fs: reduce stack memory cost by using
bitfield in struct f2fs_io_info
Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@...nel.org>:
On Thu, 2 Feb 2023 15:04:56 +0800 you wrote:
> This patch tries to use bitfield in struct f2fs_io_info to improve
> memory usage.
>
> struct f2fs_io_info {
> ...
> unsigned int need_lock:8; /* indicate we need to lock cp_rwsem */
> unsigned int version:8; /* version of the node */
> unsigned int submitted:1; /* indicate IO submission */
> unsigned int in_list:1; /* indicate fio is in io_list */
> unsigned int is_por:1; /* indicate IO is from recovery or not */
> unsigned int retry:1; /* need to reallocate block address */
> unsigned int encrypted:1; /* indicate file is encrypted */
> unsigned int post_read:1; /* require post read */
> ...
> };
>
> [...]
Here is the summary with links:
- [f2fs-dev,v3] f2fs: reduce stack memory cost by using bitfield in struct f2fs_io_info
https://git.kernel.org/jaegeuk/f2fs/c/2eae077e6e46
You are awesome, thank you!
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