NFS: blocklayout PipeFS notifier introduced

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This patch subscribes blocklayout pipes to RPC pipefs notifications. Notifier
is registering on blocklayout module load. This notifier callback is
responsible for creation/destruction of PipeFS blocklayout pipe dentry.
Note that no locking required in notifier callback because PipeFS superblock
pointer is passed as an argument from it's creation or destruction routine and
thus we can be sure about it's validity.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

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Stanislav Kinsbursky 2012-01-10 17:04:32 +04:00 • committed by Trond Myklebust

parent 9e2e74dba6

commit 627f30668f

1 changed files with 49 additions and 1 deletions

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fs/nfs/blocklayout/blocklayout.c

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