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| author | Chuck Lever <chuck.lever@oracle.com> | 2008-12-04 14:21:24 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-01-06 11:53:52 -0500 |
| commit | 1e49323c4ab044d05bbc68cf13cadcbd4372468c (patch) | |
| tree | 5d997638d8595d3698d6e3b2c81292fb09b42ad8 | |
| parent | 5d254b119823658cc318f88589c6c426b3d0a153 (diff) | |
| download | lwn-1e49323c4ab044d05bbc68cf13cadcbd4372468c.tar.gz lwn-1e49323c4ab044d05bbc68cf13cadcbd4372468c.zip | |
NLM: Move the public declaration of nsm_monitor() to lockd.h
Clean up.
Make the nlm_host argument "const," and move the public declaration to
lockd.h with other NSM public function (nsm_release, eg) and global
variable declarations.
Add a documenting comment.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| -rw-r--r-- | fs/lockd/mon.c | 15 | ||||
| -rw-r--r-- | include/linux/lockd/lockd.h | 4 | ||||
| -rw-r--r-- | include/linux/lockd/sm_inter.h | 1 |
3 files changed, 15 insertions, 5 deletions
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c index 07e16b81498d..aaaa08e7ae7a 100644 --- a/fs/lockd/mon.c +++ b/fs/lockd/mon.c @@ -69,11 +69,18 @@ nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res) return status; } -/* - * Set up monitoring of a remote host +/** + * nsm_monitor - Notify a peer in case we reboot + * @host: pointer to nlm_host of peer to notify + * + * If this peer is not already monitored, this function sends an + * upcall to the local rpc.statd to record the name/address of + * the peer to notify in case we reboot. + * + * Returns zero if the peer is monitored by the local rpc.statd; + * otherwise a negative errno value is returned. */ -int -nsm_monitor(struct nlm_host *host) +int nsm_monitor(const struct nlm_host *host) { struct nsm_handle *nsm = host->h_nsmhandle; struct nsm_res res; diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index d3c7247d23e8..f15a4f5ccbfb 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -242,6 +242,10 @@ extern void nlm_host_rebooted(const struct sockaddr_in *, const char *, unsigned int, u32); void nsm_release(struct nsm_handle *); +/* + * Host monitoring + */ +int nsm_monitor(const struct nlm_host *host); /* * This is used in garbage collection and resource reclaim diff --git a/include/linux/lockd/sm_inter.h b/include/linux/lockd/sm_inter.h index 5a5448bdb17d..546b6102b0d7 100644 --- a/include/linux/lockd/sm_inter.h +++ b/include/linux/lockd/sm_inter.h @@ -41,7 +41,6 @@ struct nsm_res { u32 state; }; -int nsm_monitor(struct nlm_host *); int nsm_unmonitor(struct nlm_host *); extern int nsm_local_state; |