From: "J. R. Okajima" <hooanon05@yahoo.co.jp>
To: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>,
David Brownell <dbrownell@users.sourceforge.net>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH 2/2] block: clear ro on fd detach fd is bound
Date: Mon, 24 Jan 2011 10:28:08 +0900 [thread overview]
Message-ID: <7965.1295832488@jrobl> (raw)
In-Reply-To: <20110122142303.GD6160@htj.dyndns.org>
Tejun Heo:
> Commit 75f1dc0d (block: check bdev_read_only() from blkdev_get())
> enforced bdev_read_only() check during blkdev_get(). This had an
> unfortunate side effect on loop because loop didn't clear ro flag on
> fd detach, so once a loop device was used ro, it can't be used for rw
> at all.
>
> Fix it by clearing ro flag on fd detach.
Tested and succeeded, thanx.
J. R. Okajima
prev parent reply other threads:[~2011-01-24 1:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-21 13:19 Q. block: check bdev_read_only() from blkdev_get() J. R. Okajima
2011-01-21 13:28 ` Tejun Heo
2011-01-22 8:32 ` J. R. Okajima
2011-01-22 11:48 ` Tejun Heo
2011-01-22 14:22 ` [PATCH 1/2] loop: guarantee lo->lo_device availability while fd is bound Tejun Heo
2011-01-22 14:23 ` [PATCH 2/2] block: clear ro on fd detach " Tejun Heo
2011-01-24 1:28 ` J. R. Okajima [this message]
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