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Re: IRIX fsr Bug 791117 - Lunux has it too.

To: "William L. Jones" <jones@xxxxxxxxxxxxxxxxxx>
Subject: Re: IRIX fsr Bug 791117 - Lunux has it too.
From: Steve Lord <lord@xxxxxxx>
Date: Mon, 31 Jul 2000 14:04:08 -0500
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: Message from "William L. Jones" <jones@xxxxxxxxxxxxxxxxxx> of "Mon, 31 Jul 2000 14:01:57 CDT." <4.2.0.58.20000731135649.01ca8c10@xxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
> 
> The swapext in xfs_dfrag.c has bug which will cause it to corrupt  inodes 
> in some
> cases.  I know  that sgi is working on a fix for this.  Are they going to 
> push into
> the linux xfs source?
> 
> 
> Bill Jones


That particular bug is a real end case - but yes, we do keep the Linux code
base upto date with fixes from the irix tree.

for those of you who do not have access to SGI's bug system (i.e. most
people on this list) here is the bug summary:



>> When a XFS filesystem has free space consisting of only 8 or 9 free
>> contigous extents, and there is a file that is in b-tree format (10 or
>> more extents) and has extended attributes, running fsr_xfs on that
>> file will cause it to be corrupt if fsr_xfs manages to re-organize it
>> to use those 8 or 9 free extents. This was observed on IRIX 6.5.7.


Steve



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