From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, hch@infradead.org
Subject: Re: [PATCH] Fix and add EXPORT_SYMBOL(filemap_write_and_wait)
Date: Mon, 24 Oct 2005 10:57:04 +0900 [thread overview]
Message-ID: <87r7aboexb.fsf@devron.myhome.or.jp> (raw)
In-Reply-To: <20051023141057.59e458f3.akpm@osdl.org> (Andrew Morton's message of "Sun, 23 Oct 2005 14:10:57 -0700")
Andrew Morton <akpm@osdl.org> writes:
> If filemap_fdatawrite() returns an error, this might be due to some I/O
> problem: dead disk, unplugged cable, etc. Given the generally crappy
> quality of the kernel's handling of such exceptions, there's a good chance
> that the filemap_fdatawait() will get stuck in D state forever.
>
> I don't know how useful that really is - probably not very. Plus, yes, we
> should wait on writeout after a -ENOSPC.
>
> So hum, not sure. My gut feeling is that anything which we can do to help
> the kernel limp along after an I/O error is a good thing, hence the
> don't-wait-after-EIO feature should remain.
I see, thanks for explaining it. Please don't apply patch, I need to
consider it obviously.
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
prev parent reply other threads:[~2005-10-24 1:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-22 15:26 OGAWA Hirofumi
2005-10-23 21:10 ` Andrew Morton
2005-10-24 1:57 ` OGAWA Hirofumi [this message]
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