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From: Jaegeuk Kim <jaegeuk@kernel.org>
To: Yangtao Li <frank.li@vivo.com>
Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH] f2fs: fix iostat parameter for discard
Date: Tue, 13 Dec 2022 11:11:08 -0800	[thread overview]
Message-ID: <Y5jOTL66ph3Nq/Hr@google.com> (raw)
In-Reply-To: <20221213115454.14885-1-frank.li@vivo.com>

On 12/13, Yangtao Li wrote:
> > What do you think of extending this function to support io_counts?
> > 
> > void f2fs_update_iostat(struct f2fs_sb_info *sbi, struct inode *inode,
> > 			enum iostat_type type, unsigned long long io_bytes,
> > 			unsigned long long io_counts)
> 
> Support to have extra io_count.
> 
> But I don't think there is any need to add additional parameters to f2fs_update_iostat.
> IIUC, each call to f2fs_update_iostat means that the corresponding count increases by 1,
> so only the internal processing of the function is required.
> 
> BTW, let's type out the iocount of the additional record in the following way?
> 
> time:           1670930162
> [WRITE]
> app buffered data:      4096(1)

How about giving in another columns with additional stats like avg. len/call or max. len?

app buffered data:      4096	1

> 
> Thx,
> Yangtao


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WARNING: multiple messages have this Message-ID (diff)
From: Jaegeuk Kim <jaegeuk@kernel.org>
To: Yangtao Li <frank.li@vivo.com>
Cc: chao@kernel.org, linux-f2fs-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] f2fs: fix iostat parameter for discard
Date: Tue, 13 Dec 2022 11:11:08 -0800	[thread overview]
Message-ID: <Y5jOTL66ph3Nq/Hr@google.com> (raw)
In-Reply-To: <20221213115454.14885-1-frank.li@vivo.com>

On 12/13, Yangtao Li wrote:
> > What do you think of extending this function to support io_counts?
> > 
> > void f2fs_update_iostat(struct f2fs_sb_info *sbi, struct inode *inode,
> > 			enum iostat_type type, unsigned long long io_bytes,
> > 			unsigned long long io_counts)
> 
> Support to have extra io_count.
> 
> But I don't think there is any need to add additional parameters to f2fs_update_iostat.
> IIUC, each call to f2fs_update_iostat means that the corresponding count increases by 1,
> so only the internal processing of the function is required.
> 
> BTW, let's type out the iocount of the additional record in the following way?
> 
> time:           1670930162
> [WRITE]
> app buffered data:      4096(1)

How about giving in another columns with additional stats like avg. len/call or max. len?

app buffered data:      4096	1

> 
> Thx,
> Yangtao

  reply	other threads:[~2022-12-13 19:11 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-05 14:56 [f2fs-dev] [PATCH] f2fs: fix iostat parameter for discard Yangtao Li via Linux-f2fs-devel
2022-12-05 14:56 ` Yangtao Li
2022-12-11  2:23 ` [f2fs-dev] " Chao Yu
2022-12-11  2:23   ` Chao Yu
2022-12-12 22:59   ` [f2fs-dev] " Jaegeuk Kim
2022-12-12 22:59     ` Jaegeuk Kim
2022-12-13  1:46     ` [f2fs-dev] " Chao Yu
2022-12-13  1:46       ` Chao Yu
2022-12-13 11:54       ` [f2fs-dev] " Yangtao Li via Linux-f2fs-devel
2022-12-13 11:54         ` Yangtao Li
2022-12-13 19:11         ` Jaegeuk Kim [this message]
2022-12-13 19:11           ` Jaegeuk Kim
2022-12-15  2:21           ` [f2fs-dev] " Chao Yu
2022-12-15  2:21             ` Chao Yu

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