From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Tue, 7 Apr 2009 02:01:35 +0000 (-0700)
Subject: nilfs2: operations for the_nilfs core object
X-Git-Tag: v2.6.30-rc1~56
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8a9d2191e9f43bbcd256a9a6871bd73434c83f2f;p=pandora-kernel.git

nilfs2: operations for the_nilfs core object

This adds functions on the_nilfs object, which keeps shared resources and
states among a read/write mount and snapshots mounts going individually.

the_nilfs is allocated per block device; it is created when user first
mount a snapshot or a read/write mount on the device, then it is reused
for successive mounts.  It will be freed when all mount instances on the
device are detached.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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