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[PATCH 0/12 RFC] Moving i_dquot out of struct inode

To: linux-fsdevel@xxxxxxxxxxxxxxx
Subject: [PATCH 0/12 RFC] Moving i_dquot out of struct inode
From: Jan Kara <jack@xxxxxxx>
Date: Wed, 1 Oct 2014 21:31:22 +0200
Cc: linux-ext4@xxxxxxxxxxxxxxx, Dave Chinner <david@xxxxxxxxxxxxx>, xfs@xxxxxxxxxxx, cluster-devel@xxxxxxxxxx, Steven Whitehouse <swhiteho@xxxxxxxxxx>, Mark Fasheh <mfasheh@xxxxxxxx>, Joel Becker <jlbec@xxxxxxxxxxxx>, ocfs2-devel@xxxxxxxxxxxxxx, reiserfs-devel@xxxxxxxxxxxxxxx, Jeff Mahoney <jeffm@xxxxxxx>, Dave Kleikamp <shaggy@xxxxxxxxxx>, jfs-discussion@xxxxxxxxxxxxxxxxxxxxx, tytso@xxxxxxx, Jan Kara <jack@xxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx

  this patch set moves i_dquot array from struct inode into filesystem private
part of the inode. Thus filesystems which don't need it save 2 pointers in
their inodes (would be 3 after we add project quota support into generic

I have patches to move inode->i_data.private_list into filesystem private part
of the inode which is going to save another 2 pointers using the same
mechanism. However I didn't want to mix those in.

The patch series also contains a change to quotactl so that each filesystem
can set quota types it supports. This is in the end unrelated change
(originally it was necessary for i_dquot moving but in the end I changed
things so that it's not anymore). I can move that into a separate series
but I was somewhat reluctant to do that since that would mean another 6
one-line patches to the same files we are changing here...

Comments are welcome.


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