nilfs2: operations for the_nilfs core object

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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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Ryusuke Konishi 2009-04-06 19:01:35 -07:00 • committed by Linus Torvalds

parent d25006523d

commit 8a9d2191e9

1 changed files with 524 additions and 0 deletions

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fs/nilfs2/the_nilfs.c

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