Bug 242584 - GFS2 - cleanup inode number handling
GFS2 - cleanup inode number handling
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
low Severity low
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Assigned To: Abhijith Das
Dean Jansa
Depends On:
Blocks: 204760
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Reported: 2007-06-04 18:10 EDT by Abhijith Das
Modified: 2007-11-30 17:07 EST (History)
3 users (show)

See Also:
Fixed In Version: RHBA-2007-0959
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2007-11-07 14:51:20 EST
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Description Abhijith Das 2007-06-04 18:10:22 EDT
[GFS2] Clean up inode number handling

This patch cleans up the inode number handling code. The main difference
is that instead of looking up the inodes using a struct gfs2_inum_host
we now use just the no_addr member of this structure. The tests relating
to no_formal_ino can then be done by the calling code. This has
advantages in that we want to do different things in different code
paths if the no_formal_ino doesn't match. In the NFS patch we want to
return -ESTALE, but in the ->lookup() path, its a bug in the fs if the
no_formal_ino doesn't match and thus we can withdraw in this case.

In order to later fix bz #201012, we need to be able to look up an inode
without knowing no_formal_ino, as the only information that is known to
us is the on-disk location of the inode in question.

This patch will also help us to fix bz #236099 at a later date by
cleaning up a lot of the code in that area.

There are no user visible changes as a result of this patch and there
are no changes to the on-disk format either.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Comment 1 RHEL Product and Program Management 2007-06-04 18:21:45 EDT
This request was evaluated by Red Hat Kernel Team for inclusion in a Red
Hat Enterprise Linux maintenance release, and has moved to bugzilla 
status POST.
Comment 3 Don Zickus 2007-06-15 20:32:34 EDT
in 2.6.18-27.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5
Comment 6 errata-xmlrpc 2007-11-07 14:51:20 EST
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.


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