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lockd: eliminate duplicate nlmsvc_lookup_host call from nlmsvc_testlock

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nlmsvc_testlock calls nlmsvc_lookup_host to find a nlm_host struct. The
callers of this functions, however, call nlmsvc_retrieve_args or
nlm4svc_retrieve_args, which also return a nlm_host struct.

Change nlmsvc_testlock to take a host arg instead of calling
nlmsvc_lookup_host itself and change the callers to pass a pointer to
the nlm_host they've already found.

We take a reference to host in the place where nlmsvc_testlock()
previous did a new lookup, so the reference counting is unchanged from
before.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Jeff Layton 2008-07-15 14:06:48 -04:00 • committed by J. Bruce Fields
parent b0e92aae15
commit 8f920d5e29
4 changed files with 7 additions and 12 deletions
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3
include/linux/lockd/lockd.h
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@ -203,7 +203,8 @@ __be32 nlmsvc_lock(struct svc_rqst *, struct nlm_file *,
struct nlm_lock *, int, struct nlm_cookie *);
__be32 nlmsvc_unlock(struct nlm_file *, struct nlm_lock *);
__be32 nlmsvc_testlock(struct svc_rqst *, struct nlm_file *,
struct nlm_lock *, struct nlm_lock *, struct nlm_cookie *);
struct nlm_host *, struct nlm_lock *,
struct nlm_lock *, struct nlm_cookie *);
__be32 nlmsvc_cancel_blocked(struct nlm_file *, struct nlm_lock *);
unsigned long nlmsvc_retry_blocked(void);
void nlmsvc_traverse_blocks(struct nlm_host *, struct nlm_file *,