linux-kernel - Re: [RFC NO MERGE] f2fs: extent cache: support unaligned extent

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Message-ID: <YQgziuikMr0fvlT7@google.com>
Date:   Mon, 2 Aug 2021 11:03:54 -0700
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Chao Yu <chao@...nel.org>
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Chao Yu <chao.yu@...ux.dev>
Subject: Re: [RFC NO MERGE] f2fs: extent cache: support unaligned extent

On 08/01, Chao Yu wrote:
> On 2021/7/31 3:20, Jaegeuk Kim wrote:
> > On 07/07, Chao Yu wrote:
> > > Currently, it only works in readonly format f2fs image.
> 
> There wouldn't be any race condition because unaligned extent only works
> for ro feature now?

Isn't your patch proposing on writable partition?

> 
> > Is there any race condition between the address in extent_cache and the one in
> > dnode? I feel that we could synchronize it by locking its dnode block.
> 
> Thanks,