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From: Christoph Hellwig <hch@lst.de>
To: Eric Blake <eblake@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	Alasdair Kergon <agk@redhat.com>,
	Mikulas Patocka <mpatocka@redhat.com>,
	dm-devel@lists.linux.dev, David Teigland <teigland@redhat.com>,
	Mike Snitzer <snitzer@kernel.org>, Jens Axboe <axboe@kernel.dk>,
	Joe Thornber <ejt@redhat.com>
Subject: Re: [RFC 0/9] block: add llseek(SEEK_HOLE/SEEK_DATA) support
Date: Fri, 5 Apr 2024 09:02:58 +0200	[thread overview]
Message-ID: <20240405070258.GC4176@lst.de> (raw)
In-Reply-To: <6yjbfcrsmdmibrfs2pcseehrcbjkn67qzanyhlrduocguqvoaq@jjwntpqtsmpc>

On Tue, Apr 02, 2024 at 08:31:09AM -0500, Eric Blake wrote:
> As well as my question on whether the community would be open to
> introducing new SEEK_* constants to allow orthogonality between
> searching for zeroes (known to read as zero, whether or not it was
> allocated) vs. sparseness (known to be unallocated, whether or not it
> reads as zero), where the existing SEEK_HOLE seeks for both properties
> at once.

That seems like quite an effort.  Is is worth it?


      reply	other threads:[~2024-04-05  7:03 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-28 20:39 [RFC 0/9] block: add llseek(SEEK_HOLE/SEEK_DATA) support Stefan Hajnoczi
2024-03-28 20:39 ` [RFC 1/9] " Stefan Hajnoczi
2024-03-28 23:50   ` Eric Blake
2024-03-28 20:39 ` [RFC 2/9] loop: " Stefan Hajnoczi
2024-03-29  0:00   ` Eric Blake
2024-03-29 12:54     ` Stefan Hajnoczi
2024-03-28 20:39 ` [RFC 3/9] selftests: block_seek_hole: add loop block driver tests Stefan Hajnoczi
2024-03-29  0:11   ` Eric Blake
2024-04-03 13:50     ` Stefan Hajnoczi
2024-03-29 12:38   ` Eric Blake
2024-04-03 13:51     ` Stefan Hajnoczi
2024-03-28 20:39 ` [RFC 4/9] dm: add llseek(SEEK_HOLE/SEEK_DATA) support Stefan Hajnoczi
2024-03-29  0:38   ` Eric Blake
2024-04-03 14:11     ` Stefan Hajnoczi
2024-04-03 17:02       ` Eric Blake
2024-04-03 17:58         ` Stefan Hajnoczi
2024-04-03 19:28           ` Eric Blake
2024-03-28 20:39 ` [RFC 5/9] selftests: block_seek_hole: add dm-zero test Stefan Hajnoczi
2024-03-28 22:19   ` Eric Blake
2024-03-28 22:32     ` Stefan Hajnoczi
2024-03-28 20:39 ` [RFC 6/9] dm-linear: add llseek(SEEK_HOLE/SEEK_DATA) support Stefan Hajnoczi
2024-03-29  0:54   ` Eric Blake
2024-04-03 14:22     ` Stefan Hajnoczi
2024-03-28 20:39 ` [RFC 7/9] selftests: block_seek_hole: add dm-linear test Stefan Hajnoczi
2024-03-29  0:59   ` Eric Blake
2024-04-03 14:23     ` Stefan Hajnoczi
2024-03-28 20:39 ` [RFC 8/9] dm thin: add llseek(SEEK_HOLE/SEEK_DATA) support Stefan Hajnoczi
2024-03-29  1:31   ` Eric Blake
2024-04-03 15:03     ` Stefan Hajnoczi
2024-03-28 20:39 ` [RFC 9/9] selftests: block_seek_hole: add dm-thin test Stefan Hajnoczi
2024-03-28 22:16 ` [RFC 0/9] block: add llseek(SEEK_HOLE/SEEK_DATA) support Eric Blake
2024-03-28 22:29   ` Eric Blake
2024-03-28 23:09   ` Stefan Hajnoczi
2024-04-02 12:26 ` Christoph Hellwig
2024-04-02 13:04   ` Stefan Hajnoczi
2024-04-05  7:02     ` Christoph Hellwig
2024-04-02 13:31   ` Eric Blake
2024-04-05  7:02     ` Christoph Hellwig [this message]

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