tree e2c8967703c3f2bf15dcfbe78eafdfe0c328c3c4
parent d25006523d0b9e49fd097b2e974e7c8c05bd7f54
author Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> 1239069695 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1239118275 -0700

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>