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NFS: callback per-net usage counting introduced

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This patch also introduces refcount-aware nfs_callback_down_net() wrapper for
svc_shutdown_net().

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Stanislav Kinsbursky
2012-08-20 18:00:46 +04:00
committed by Trond Myklebust
parent 29dcc16a8e
commit b3d19c5172
2 changed files with 18 additions and 2 deletions
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fs/nfs/netns.h
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@@ -24,6 +24,7 @@ struct nfs_net {
struct idr cb_ident_idr; /* Protected by nfs_client_lock */
unsigned short nfs_callback_tcpport;
unsigned short nfs_callback_tcpport6;
int cb_users[NFS4_MAX_MINOR_VERSION + 1];
#endif
spinlock_t nfs_client_lock;
struct timespec boot_time;