From: Hans Reiser <reiser@namesys.com>
To: Andreas Dilger <adilger@clusterfs.com>
Cc: Andrew Morton <akpm@osdl.org>,
"Vladimir V. Saveliev" <vs@namesys.com>,
hch@infradead.org, Reiserfs-Dev@namesys.com,
Linux-Kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: batched write
Date: Mon, 19 Jun 2006 13:47:57 -0700 [thread overview]
Message-ID: <44970D7D.9070001@namesys.com> (raw)
In-Reply-To: <20060619185049.GH5817@schatzie.adilger.int>
Andreas Dilger wrote:
>
>If the VFS supported delayed allocation it would call into the filesystem
>on a per-sys_write basis
>
Is it necessary for VFS to specify that it is for delayed allocation
that it does it, or can it be a more generic sort of per sys-write call?
>to allow the filesystem to RESERVE space for all
>of the pages in the write call, and then later (under memory pressure,
>page aging, or even "pull" from the fs) submit a whole batch of contiguous
>pages to the fs efficiently (via ->fill_pages() or whatever).
>
>
next prev parent reply other threads:[~2006-06-19 20:48 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-23 20:14 [PATCH] updated reiser4 - reduced cpu usage for writes by writing more than 4k at a time (has implications for generic write code and eventually for the IO layer) Hans Reiser
2006-05-23 20:26 ` Alexey Polyakov
2006-05-23 20:33 ` Michal Piotrowski
2006-05-24 14:39 ` Vladimir V. Saveliev
2006-06-08 10:45 ` Jan Engelhardt
2006-06-08 12:40 ` Vladimir V. Saveliev
2006-06-08 14:11 ` Jan Engelhardt
2006-05-24 17:53 ` Tom Vier
2006-05-24 17:55 ` Hans Reiser
2006-06-08 11:00 ` Jens Axboe
2006-06-08 11:26 ` Vladimir V. Saveliev
2006-06-08 11:35 ` Jens Axboe
2006-06-08 12:08 ` Vladimir V. Saveliev
2006-06-14 19:37 ` Hans Reiser
2006-06-08 12:10 ` Christoph Hellwig
2006-06-14 22:08 ` batched write Vladimir V. Saveliev
2006-06-17 17:04 ` Andrew Morton
2006-06-17 17:51 ` Hans Reiser
2006-06-18 11:20 ` Nix
2006-06-19 9:05 ` Hans Reiser
2006-06-19 11:32 ` Miklos Szeredi
2006-06-19 16:39 ` Hans Reiser
2006-06-19 17:35 ` Miklos Szeredi
2006-06-19 17:52 ` Akshat Aranya
2006-06-19 20:39 ` Hans Reiser
2006-06-19 16:27 ` Andreas Dilger
2006-06-19 16:51 ` Hans Reiser
2006-06-19 18:50 ` Andreas Dilger
2006-06-19 20:47 ` Hans Reiser [this message]
2006-06-20 0:01 ` David Chinner
2006-06-20 7:19 ` Hans Reiser
2006-06-20 7:26 ` Andrew Morton
2006-06-20 9:02 ` Steven Whitehouse
2006-06-20 16:26 ` Vladimir V. Saveliev
2006-06-20 17:29 ` Hans Reiser
2006-06-19 18:28 ` Vladimir V. Saveliev
2006-05-24 17:59 ` [PATCH] updated reiser4 - reduced cpu usage for writes by writing more than 4k at a time (has implications for generic write code and eventually for the IO layer) Hans Reiser
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