From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>,
Damien Le Moal <dlemoal@kernel.org>,
linux-block@vger.kernel.org
Subject: Re: [PATCH 0/2] New zoned loop block device driver
Date: Wed, 8 Jan 2025 06:49:01 +0100 [thread overview]
Message-ID: <20250108054901.GC20178@lst.de> (raw)
In-Reply-To: <4358e12a-066c-4d5b-b686-945843443353@kernel.dk>
On Tue, Jan 07, 2025 at 02:10:45PM -0700, Jens Axboe wrote:
> > - the double context switch into the kernel and back for a ublk device
> > backed by a file system will actually show up for some xfstests that
> > do a lot of synchronous ops
>
> Like I replied to Damien, that's mostly a bogus argument. If you're
> doing sync stuff, you can do that with a single system call. If you're
> building up depth, then it doesn't matter.
How do I do a single system call for retrive the requet from the
kernel and execture it on the file system after examining it?
next prev parent reply other threads:[~2025-01-08 5:49 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-06 14:24 [PATCH 0/2] New zoned loop block device driver Damien Le Moal
2025-01-06 14:24 ` [PATCH 1/2] block: new " Damien Le Moal
2025-01-06 14:24 ` [PATCH 2/2] Documentation: Document the " Damien Le Moal
2025-01-06 14:54 ` [PATCH 0/2] New " Jens Axboe
2025-01-06 15:21 ` Christoph Hellwig
2025-01-06 15:24 ` Jens Axboe
2025-01-06 15:32 ` Christoph Hellwig
2025-01-06 15:38 ` Jens Axboe
2025-01-06 15:44 ` Christoph Hellwig
2025-01-06 17:38 ` Jens Axboe
2025-01-06 18:05 ` Christoph Hellwig
2025-01-07 21:10 ` Jens Axboe
2025-01-08 5:49 ` Christoph Hellwig [this message]
2025-01-07 1:08 ` Damien Le Moal
2025-01-07 21:08 ` Jens Axboe
2025-01-08 5:11 ` Damien Le Moal
2025-01-08 5:44 ` Christoph Hellwig
2025-01-08 2:47 ` Ming Lei
2025-01-08 14:10 ` Theodore Ts'o
2025-01-08 2:29 ` Ming Lei
2025-01-08 5:06 ` Damien Le Moal
2025-01-08 8:13 ` Ming Lei
2025-01-08 9:09 ` Christoph Hellwig
2025-01-08 9:39 ` Ming Lei
2025-01-10 12:34 ` Ming Lei
2025-01-24 9:30 ` Damien Le Moal
2025-01-24 12:30 ` Ming Lei
2025-01-24 14:20 ` Johannes Thumshirn
2025-01-29 8:10 ` Damien Le Moal
2025-01-31 3:54 ` Ming Lei
2025-02-04 3:22 ` Damien Le Moal
2025-02-05 3:43 ` Ming Lei
2025-02-05 6:07 ` Damien Le Moal
2025-02-06 3:24 ` Ming Lei
2025-01-08 5:47 ` Christoph Hellwig
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