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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Dave Chinner <david@fromorbit.com>
Cc: Amir Goldstein <amir73il@gmail.com>,
	Miklos Szeredi <miklos@szeredi.hu>,
	"Darrick J . Wong" <darrick.wong@oracle.com>,
	Christoph Hellwig <hch@lst.de>, Theodore Ts'o <tytso@mit.edu>,
	Jaegeuk Kim <jaegeuk@kernel.org>,
	Mark Fasheh <mfasheh@versity.com>,
	linux-xfs@vger.kernel.org, linux-unionfs@vger.kernel.org,
	linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 0/5] VFS API for getting filesystem's UUID
Date: Sun, 30 Apr 2017 01:54:58 +0100	[thread overview]
Message-ID: <20170430005455.GV29622@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20170429230159.GM12369@dastard>

On Sun, Apr 30, 2017 at 09:01:59AM +1000, Dave Chinner wrote:

> Doesn't this make the struct export_opierations .get_uuid method
> somewhat redundant?  Shouldn't that now be replaced with generic
> functions that looks at SB_I_HAVE_UUID before allowing PNFS export
> is allowed and then just use s_uuid directly in the PNFS code?

Do we even need a flag?  Checking if 16 bytes are not all zeroes isn't hard,
after all...

  reply	other threads:[~2017-04-30  0:55 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-27  8:59 [PATCH 0/5] VFS API for getting filesystem's UUID Amir Goldstein
2017-04-27  8:59 ` [PATCH 1/5] vfs: define a flag to indicate sb->s_uuid is available Amir Goldstein
2017-04-27 19:34   ` Darrick J. Wong
2017-04-27  8:59 ` [PATCH 2/5] ext4: set the super block SB_I_HAVE_UUID flag Amir Goldstein
2017-04-27  8:59 ` [PATCH 3/5] f2fs: " Amir Goldstein
2017-04-27  8:59 ` [PATCH 4/5] ocfs2: " Amir Goldstein
2017-04-27  8:59 ` [PATCH 5/5] xfs: " Amir Goldstein
2017-04-27  9:09 ` [PATCH 0/5] VFS API for getting filesystem's UUID Miklos Szeredi
2017-04-29 23:01 ` Dave Chinner
2017-04-30  0:54   ` Al Viro [this message]
2017-04-30  5:04     ` Amir Goldstein
2017-04-30  5:01   ` Amir Goldstein

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