Re: [PATCH v3] introduce sys_syncfs to sync a single file system -- Linux API


Re: [PATCH v3] introduce sys_syncfs to sync a single file system
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Subject: Re: [PATCH v3] introduce sys_syncfs to sync a single file system
From: Jeff Garzik <jeff@xxxxxxxxxx>
Date: Sat, 12 Mar 2011 13:31:31 -0500
Cc: Ric Wheeler <ricwheeler@xxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Sage Weil <sage@xxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, "Aneesh Kumar K. V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>, Jonathan Nieder <jrnieder@xxxxxxxxx>, akpm@xxxxxxxxxxxxxxxxxxxx, linux-api@xxxxxxxxxxxxxxx, mtk.manpages@xxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, hch@xxxxxx, l@xxxxxxxxx
In-reply-to: <e118a1458c29e4f44bf71c7095e4bce8.squirrel@xxxxxxxxxxxxxxxxxxxx>
References: <Pine.LNX.4.64.1102171035220.13904@xxxxxxxxxxxxxxxxxx> <Pine.LNX.4.64.1103101125150.4190@xxxxxxxxxxxxxxxxxx> <edfa4cf081249734807e582c14253fca.squirrel@xxxxxxxxxxxxxxxxxxxx> <201103111255.44979.arnd@xxxxxxxx> <ffafd3ccb3fd1be7c40348c9cee84aef.squirrel@xxxxxxxxxxxxxxxxxxxx> <4D7AC0FE.8070806@xxxxxxxxx> <1d4d1b7ae64da97f44cad0e2bda4f832.squirrel@xxxxxxxxxxxxxxxxxxxx> <4D7ADFDD.9080108@xxxxxxxxx> <e118a1458c29e4f44bf71c7095e4bce8.squirrel@xxxxxxxxxxxxxxxxxxxx>
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On 03/11/2011 10:50 PM, Indan Zupancic wrote:

If sync(2) didn't exist and people wanted to add it I'd complain too. This
has all the problems of sync(2), but with the "not sure if all the files are
on the file system I think" problem added.


You are decades too late, then...

sync_file_range() is not appropriate because that works on only one fd.

The new syscall is fine, and addresses a need.

	Jeff


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References:
- [PATCH v3] introduce sys_syncfs to sync a single file system
  - From: Sage Weil
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  - From: Indan Zupancic
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