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Message-ID: <a125a870910270117qa90debp8d5a9f90ffb8434@mail.gmail.com> Date: Tue, 27 Oct 2009 09:17:03 +0100 From: Fredrik Andersson <nablaman@...il.com> To: Eric Sandeen <sandeen@...hat.com> Cc: linux-ext4@...r.kernel.org Subject: Re: Fwd: Ext4 bug with fallocate > Not trying to ignore you, but trying to sort out some corruption issues that > I'm afraid I have to rank higher than a hang for now... I understand. Good to know someone is thinking about it anyway :-) > > From the traces, things are hung up on the i_data_sem; several pdflushes > want it for read in ext4_get_blocks_wrap, and drbdmakes presumably have it > downed for write in ext4_ext_truncate. I'm not immediately seeing the > deadlock tonight, but then it's getting late... > > Is the application that's triggering this something you can share? > Sorry, I can't provide source code for these applications. But drdbmake does what is described above: Preallocates a very big chunk on disk and then truncates it to its final length once it's done. Please let me know if you need more details. /Fredrik -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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