From: Al Viro <viro@ZenIV.linux.org.uk>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
adilger@dilger.ca, hch@infradead.org, martin.petersen@oracle.com
Subject: Re: [PATCH 04/11] fs: add support for allowing applications to pass in write life time hints
Date: Thu, 15 Jun 2017 12:24:20 +0100 [thread overview]
Message-ID: <20170615112420.GN31671@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20170615041503.GB4521@birch.djwong.org>
On Wed, Jun 14, 2017 at 09:15:03PM -0700, Darrick J. Wong wrote:
> > + */
> > +#define RWF_WRITE_LIFE_SHIFT 4
> > +#define RWF_WRITE_LIFE_MASK 0x000000f0 /* 4 bits of stream ID */
> > +#define RWF_WRITE_LIFE_SHORT (1 << RWF_WRITE_LIFE_SHIFT)
> > +#define RWF_WRITE_LIFE_MEDIUM (2 << RWF_WRITE_LIFE_SHIFT)
> > +#define RWF_WRITE_LIFE_LONG (3 << RWF_WRITE_LIFE_SHIFT)
> > +#define RWF_WRITE_LIFE_EXTREME (4 << RWF_WRITE_LIFE_SHIFT)
>
> Should O_TMPFILE files ought to be created with i_write_hint =
> RWF_WRITE_LIFE_SHORT by default?
Depends... One of the uses for that is to have them linked into permanent
place once completely written...
next prev parent reply other threads:[~2017-06-15 11:24 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-15 3:45 [PATCHSET v4] Add support for write life time hints Jens Axboe
2017-06-15 3:45 ` [PATCH 01/11] block: add support for carrying stream information in a bio Jens Axboe
2017-06-15 3:45 ` [PATCH 02/11] blk-mq: expose stream write stats through debugfs Jens Axboe
2017-06-15 8:16 ` Christoph Hellwig
2017-06-15 14:24 ` Jens Axboe
2017-06-15 3:45 ` [PATCH 03/11] fs: add support for an inode to carry stream related data Jens Axboe
2017-06-15 8:17 ` Christoph Hellwig
2017-06-15 14:22 ` Jens Axboe
2017-06-15 3:45 ` [PATCH 04/11] fs: add support for allowing applications to pass in write life time hints Jens Axboe
2017-06-15 4:15 ` Darrick J. Wong
2017-06-15 4:33 ` Jens Axboe
2017-06-15 8:19 ` Christoph Hellwig
2017-06-15 14:21 ` Jens Axboe
2017-06-15 15:23 ` Jens Axboe
2017-06-16 7:30 ` Christoph Hellwig
2017-06-16 14:35 ` Jens Axboe
2017-06-16 7:33 ` Christoph Hellwig
2017-06-16 14:35 ` Jens Axboe
2017-06-16 14:53 ` Jens Axboe
2017-06-16 15:52 ` Christoph Hellwig
2017-06-16 15:59 ` Jens Axboe
2017-06-16 16:14 ` Jens Axboe
2017-06-16 18:00 ` Christoph Hellwig
2017-06-16 18:02 ` Christoph Hellwig
2017-06-16 19:35 ` Jens Axboe
2017-06-15 11:24 ` Al Viro [this message]
2017-06-15 3:45 ` [PATCH 05/11] block: add helpers for setting/checking write hint validity Jens Axboe
2017-06-15 3:45 ` [PATCH 06/11] fs: add O_DIRECT support for sending down bio stream information Jens Axboe
2017-06-15 3:45 ` [PATCH 07/11] fs: add support for buffered writeback to pass down write hints Jens Axboe
2017-06-15 3:45 ` [PATCH 08/11] ext4: add support for passing in write hints for buffered writes Jens Axboe
2017-06-15 3:45 ` [PATCH 09/11] xfs: " Jens Axboe
2017-06-15 3:45 ` [PATCH 10/11] btrfs: " Jens Axboe
2017-06-15 3:45 ` [PATCH 11/11] nvme: add support for streams and directives Jens Axboe
2017-06-15 8:12 ` [PATCHSET v4] Add support for write life time hints Christoph Hellwig
2017-06-15 14:23 ` Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2017-06-17 19:59 [PATCHSET v7] " Jens Axboe
2017-06-17 19:59 ` [PATCH 04/11] fs: add support for allowing applications to pass in " Jens Axboe
2017-06-19 6:27 ` Christoph Hellwig
2017-06-19 14:56 ` Jens Axboe
2017-06-19 16:02 ` Jens Axboe
2017-06-19 18:58 ` Christoph Hellwig
2017-06-19 19:00 ` Jens Axboe
2017-06-19 19:10 ` Jens Axboe
2017-06-19 20:33 ` Jens Axboe
2017-06-20 2:06 ` Jens Axboe
2017-06-20 8:57 ` Christoph Hellwig
2017-06-20 12:43 ` Jens Axboe
2017-06-20 12:43 ` Christoph Hellwig
2017-06-20 12:45 ` Jens Axboe
2017-06-20 12:47 ` Christoph Hellwig
2017-06-20 12:51 ` Jens Axboe
2017-06-20 12:56 ` Christoph Hellwig
2017-06-20 13:00 ` Jens Axboe
2017-06-16 17:24 [PATCHSET v6] Add support for " Jens Axboe
2017-06-16 17:24 ` [PATCH 04/11] fs: add support for allowing applications to pass in " Jens Axboe
2017-06-14 19:05 [PATCHSET v3] Add support for " Jens Axboe
2017-06-14 19:05 ` [PATCH 04/11] fs: add support for allowing applications to pass in " Jens Axboe
2017-06-14 20:26 ` Christoph Hellwig
2017-06-14 20:37 ` Jens Axboe
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