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TAKE 988139 - Traverse inode trees when releasing dquots

To: sgi.bugs.xfs@xxxxxxxxxxxx, xfs@xxxxxxxxxxx
Subject: TAKE 988139 - Traverse inode trees when releasing dquots
From: lachlan@xxxxxxx (Lachlan McIlroy)
Date: Fri, 10 Oct 2008 15:12:11 +1100 (EST)
Traverse inode trees when releasing dquots

Make releasing all inode dquots traverse the per-ag
inode radix trees rather than the mount inode list.
This removes another user of the mount inode list.

Version 3
o fix comment relating to avoiding trying to release the
  quota inodes and those in reclaim.

Version 2
o add comment explaining use of gang lookups for a single inode
o use IRELE, not VN_RELE
o move check for ag initialisation to caller.

Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>

Date:  Fri Oct 10 15:11:46 EST 2008
Workarea:  redback.melbourne.sgi.com:/home/lachlan/isms/2.6.x-radix
Inspected by:  hch
Author:  lachlan

The following file(s) were checked into:
  longdrop.melbourne.sgi.com:/isms/linux/2.6.x-xfs-melb


Modid:  xfs-linux-melb:xfs-kern:32286a
fs/xfs/linux-2.6/xfs_sync.c - 1.5 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/linux-2.6/xfs_sync.c.diff?r1=text&tr1=1.5&r2=text&tr2=1.4&f=h
        - Traverse inode trees when releasing dquots



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