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From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
	adilger@dilger.ca, martin.petersen@oracle.com,
	linux-nvme@lists.infradead.org, linux-api@vger.kernel.org,
	linux-man@vger.kernel.org
Subject: Re: [PATCH 1/9] fs: add fcntl() interface for setting/getting write life time hints
Date: Mon, 26 Jun 2017 07:55:27 -0600	[thread overview]
Message-ID: <91b3fd3b-18f5-cf8c-a1d7-c0637283ce14@kernel.dk> (raw)
In-Reply-To: <20170626095148.GB14057@infradead.org>

On 06/26/2017 03:51 AM, Christoph Hellwig wrote:
> Please document the userspace API (added linux-api and linux-man
> to CC for sugestions), especially including the odd effects of the
> per-inode settings.

Of course, I'll send in a diff for the fcntl(2) man page.

> Also I would highly recommend to use different fcntl commands
> for the file vs inode hints to avoid any strange behavior.

OK, used to have that too... I can add specific _FILE versions.

-- 
Jens Axboe

WARNING: multiple messages have this Message-ID (diff)
From: Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
To: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Cc: linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	adilger-m1MBpc4rdrD3fQ9qLvQP4Q@public.gmane.org,
	martin.petersen-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org,
	linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 1/9] fs: add fcntl() interface for setting/getting write life time hints
Date: Mon, 26 Jun 2017 07:55:27 -0600	[thread overview]
Message-ID: <91b3fd3b-18f5-cf8c-a1d7-c0637283ce14@kernel.dk> (raw)
In-Reply-To: <20170626095148.GB14057-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>

On 06/26/2017 03:51 AM, Christoph Hellwig wrote:
> Please document the userspace API (added linux-api and linux-man
> to CC for sugestions), especially including the odd effects of the
> per-inode settings.

Of course, I'll send in a diff for the fcntl(2) man page.

> Also I would highly recommend to use different fcntl commands
> for the file vs inode hints to avoid any strange behavior.

OK, used to have that too... I can add specific _FILE versions.

-- 
Jens Axboe

WARNING: multiple messages have this Message-ID (diff)
From: axboe@kernel.dk (Jens Axboe)
Subject: [PATCH 1/9] fs: add fcntl() interface for setting/getting write life time hints
Date: Mon, 26 Jun 2017 07:55:27 -0600	[thread overview]
Message-ID: <91b3fd3b-18f5-cf8c-a1d7-c0637283ce14@kernel.dk> (raw)
In-Reply-To: <20170626095148.GB14057@infradead.org>

On 06/26/2017 03:51 AM, Christoph Hellwig wrote:
> Please document the userspace API (added linux-api and linux-man
> to CC for sugestions), especially including the odd effects of the
> per-inode settings.

Of course, I'll send in a diff for the fcntl(2) man page.

> Also I would highly recommend to use different fcntl commands
> for the file vs inode hints to avoid any strange behavior.

OK, used to have that too... I can add specific _FILE versions.

-- 
Jens Axboe

  reply	other threads:[~2017-06-26 13:55 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-21  0:21 [PATCHSET v9] Add support for write life time hints Jens Axboe
2017-06-21  0:21 ` Jens Axboe
2017-06-21  0:21 ` [PATCH 1/9] fs: add fcntl() interface for setting/getting " Jens Axboe
2017-06-21  0:21   ` Jens Axboe
2017-06-26  9:51   ` Christoph Hellwig
2017-06-26  9:51     ` Christoph Hellwig
2017-06-26  9:51     ` Christoph Hellwig
2017-06-26 13:55     ` Jens Axboe [this message]
2017-06-26 13:55       ` Jens Axboe
2017-06-26 13:55       ` Jens Axboe
2017-06-26 16:09       ` Darrick J. Wong
2017-06-26 16:09         ` Darrick J. Wong
2017-06-26 16:09         ` Darrick J. Wong
2017-06-26 16:29         ` Jens Axboe
2017-06-26 16:29           ` Jens Axboe
2017-06-26 16:29           ` Jens Axboe
2017-06-21  0:21 ` [PATCH 2/9] block: add support for write hints in a bio Jens Axboe
2017-06-21  0:21   ` Jens Axboe
2017-06-26  9:52   ` Christoph Hellwig
2017-06-26  9:52     ` Christoph Hellwig
2017-06-21  0:22 ` [PATCH 3/9] blk-mq: expose stream write hints through debugfs Jens Axboe
2017-06-21  0:22   ` Jens Axboe
2017-06-26  9:52   ` Christoph Hellwig
2017-06-26  9:52     ` Christoph Hellwig
2017-06-21  0:22 ` [PATCH 4/9] fs: add O_DIRECT support for sending down write life time hints Jens Axboe
2017-06-21  0:22   ` Jens Axboe
2017-06-26  9:55   ` Christoph Hellwig
2017-06-26  9:55     ` Christoph Hellwig
2017-06-26 14:12     ` Jens Axboe
2017-06-26 14:12       ` Jens Axboe
2017-06-21  0:22 ` [PATCH 5/9] fs: add support for buffered writeback to pass down write hints Jens Axboe
2017-06-21  0:22   ` Jens Axboe
2017-06-21  0:22 ` [PATCH 6/9] ext4: add support for passing in write hints for buffered writes Jens Axboe
2017-06-21  0:22   ` Jens Axboe
2017-06-21  0:22 ` [PATCH 7/9] xfs: " Jens Axboe
2017-06-21  0:22   ` Jens Axboe
2017-06-21  1:35   ` Darrick J. Wong
2017-06-21  1:35     ` Darrick J. Wong
2017-06-21  1:46     ` Jens Axboe
2017-06-21  1:46       ` Jens Axboe
2017-06-26  9:56   ` Christoph Hellwig
2017-06-26  9:56     ` Christoph Hellwig
2017-06-26 14:16     ` Jens Axboe
2017-06-26 14:16       ` Jens Axboe
2017-06-21  0:22 ` [PATCH 8/9] btrfs: " Jens Axboe
2017-06-21  0:22   ` Jens Axboe
2017-06-21  0:22 ` [PATCH 9/9] nvme: add support for streams and directives Jens Axboe
2017-06-21  0:22   ` Jens Axboe
2017-06-26  9:59   ` Christoph Hellwig
2017-06-26  9:59     ` Christoph Hellwig
2017-06-26 13:56     ` Jens Axboe
2017-06-26 13:56       ` Jens Axboe
2017-06-26 19:36       ` Andreas Dilger
2017-06-26 19:36         ` Andreas Dilger
2017-06-26 19:39         ` Jens Axboe
2017-06-26 19:39           ` Jens Axboe
2017-06-27 14:11       ` Christoph Hellwig
2017-06-27 14:11         ` Christoph Hellwig
2017-06-27 14:16         ` Jens Axboe
2017-06-27 14:16           ` Jens Axboe
2017-06-27 14:44           ` Christoph Hellwig
2017-06-27 14:44             ` Christoph Hellwig
2017-06-27 14:46             ` Jens Axboe
2017-06-27 14:46               ` Jens Axboe
2017-06-27 14:56               ` Jens Axboe
2017-06-27 14:56                 ` Jens Axboe
2017-06-26 17:52     ` Martin K. Petersen
2017-06-26 17:52       ` Martin K. Petersen
2017-06-26 18:00       ` Jens Axboe
2017-06-26 18:00         ` Jens Axboe
2017-06-21  1:30 ` [PATCHSET v9] Add support for write life time hints Martin K. Petersen
2017-06-21  1:30   ` Martin K. Petersen
2017-06-21  1:45   ` Jens Axboe
2017-06-21  1:45     ` Jens Axboe
  -- strict thread matches above, loose matches on Subject: below --
2017-06-26 15:37 [PATCHSET v10] " Jens Axboe
2017-06-26 15:37 ` [PATCH 1/9] fs: add fcntl() interface for setting/getting " Jens Axboe
2017-06-27 14:42   ` Christoph Hellwig
2017-06-27 14:52     ` Christoph Hellwig
2017-06-27 14:55     ` Jens Axboe
2017-06-27 14:57       ` Christoph Hellwig
2017-06-27 14:58         ` Jens Axboe
2017-06-27 15:09     ` Jens Axboe
2017-06-27 15:16       ` Christoph Hellwig
2017-06-27 15:18         ` Jens Axboe
2017-06-19 17:04 [PATCHSET v8] Add support for " Jens Axboe
2017-06-19 17:04 ` [PATCH 1/9] fs: add fcntl() interface for setting/getting " Jens Axboe
2017-06-19 17:04   ` Jens Axboe
2017-06-20 23:09   ` Bart Van Assche
2017-06-20 23:09     ` Bart Van Assche
2017-06-20 23:09     ` Bart Van Assche
2017-06-20 23:49     ` Jens Axboe
2017-06-20 23:49       ` Jens Axboe

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