From: Thierry Vignaud <tvignaud@mandriva.com>
Subject: Re: More ext4 acl/xattr corruption - 4th occurence now
Date: Tue, 19 May 2009 17:18:06 +0200
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Cc: Alex Tomas <bzzz@sun.com>, Kevin Shanahan <kmshanah@ucwb.org.au>,
	Andreas Dilger <adilger@sun.com>, linux-ext4@vger.kernel.org
To: Theodore Tso <tytso@mit.edu>
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In-Reply-To: <20090519150430.GC7927@mit.edu> (Theodore Tso's message of "Tue\, 19 May 2009 11\:04\:30 -0400")
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Theodore Tso <tytso@mit.edu> writes:

> >> On the other hand, most of the time writes into the directory will
> >> tend to be into pre-existing free space; but if you had two parallel
> >> cp's copying a large number of files into the same directory, that
> >> could certainly happen.
> >
> > isn't access to a directory protected with i_mutex ?
> 
> Hmm, good point.  Yes, that should prevent problems with directories.
> So there should only be a problem when two processes are writing to
> the same file at the same time.

I remember that happened...