linux-kernel - unlink(nonexistent): EROFS or ENOENT?

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Message-ID: <4DE26F97.9050607@msgid.tls.msk.ru>
Date:	Sun, 29 May 2011 20:08:55 +0400
From:	Michael Tokarev <mjt@....msk.ru>
To:	Linux-kernel <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: unlink(nonexistent): EROFS or ENOENT?

Hello.

Just noticed that at least on ext4, unlinking a
non-existing file from a read-only filesystem
results in EROFS instead of ENOENT.  I'd expect
it return ENOENT - it is more logical, at least
in my opinion.

For one, (readonly) NFS mount returns ENOENT in
this case.

Thanks!

/mjt
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