From: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
To: Aleksandar Ivanov <ivanov.aleks-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Wolfram Sang <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
Jean Delvare <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: at24 driver - a possible problem
Date: Fri, 6 Nov 2009 13:58:51 -0700 [thread overview]
Message-ID: <200911061258.52179.david-b@pacbell.net> (raw)
In-Reply-To: <533f29860911060457m70a1adfcr2dd11f0785748014-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Friday 06 November 2009, Aleksandar Ivanov wrote:
> So I added the O_SYNC flag to the open() call. (The man says: O_SYNC
> - The file is opened for synchronous I/O. Any write()s on the
> resulting file descriptor will block the calling process until the
> data has been physically written to the underlying hardware.)
> But obviously this didn't fix the issue.
>
> Correct me if I'm wrong but I would expect from a synchronous write()
> call to NOT finish before the data has been "phisically written".
> And in this case of course the read operation wouldn't need a waiting loop.
> What do you think?
Makes sense to me. Another bug to fix. :)
next prev parent reply other threads:[~2009-11-06 20:58 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <533f29860911050810w4d939b39x2ad11c189f13c977@mail.gmail.com>
[not found] ` <533f29860911050810w4d939b39x2ad11c189f13c977-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-11-05 17:25 ` at24 driver - a possible problem Wolfram Sang
[not found] ` <20091105172537.GA3332-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-11-06 12:15 ` Jean Delvare
[not found] ` <20091106131524.76ae52b9-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2009-11-06 12:49 ` Wolfram Sang
[not found] ` <20091106124905.GA3980-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-11-06 12:57 ` Aleksandar Ivanov
[not found] ` <533f29860911060457m70a1adfcr2dd11f0785748014-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-11-06 20:58 ` David Brownell [this message]
[not found] ` <200911061258.52179.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2009-11-08 20:23 ` Wolfram Sang
[not found] ` <20091108202331.GA6374-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-11-08 21:30 ` David Brownell
2009-11-09 8:46 ` Jean Delvare
[not found] ` <20091109094638.2f05b29f-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2009-11-09 9:10 ` Wolfram Sang
[not found] ` <20091109091045.GA3983-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-11-09 12:24 ` Aleksandar Ivanov
2009-11-08 20:14 ` [PATCH] at24: use timeout also for read Wolfram Sang
[not found] ` <1257711297-19927-1-git-send-email-w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-11-16 18:50 ` Wolfram Sang
[not found] ` <20091116185030.GB21491-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-11-16 18:56 ` Jean Delvare
2009-11-22 20:08 ` Jean Delvare
[not found] ` <20091122210846.14666e23-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2009-11-25 8:09 ` Jean Delvare
[not found] ` <20091125090907.3e4e9155-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2009-11-25 9:20 ` Wolfram Sang
2009-11-25 9:37 ` [PATCH V2] " Wolfram Sang
[not found] ` <1259141876-15458-1-git-send-email-w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2009-11-25 10:24 ` Jean Delvare
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