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SUNRPC: Ensure rpcauth_prune_expired() respects the nr_to_scan parameter

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2010-05-13 12:51:06 -04:00
parent 93a05e65c0
commit 2067340653
1 changed files with 2 additions and 3 deletions
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5
net/sunrpc/auth.c
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@ -236,6 +236,8 @@ rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
list_for_each_entry_safe(cred, next, &cred_unused, cr_lru) { list_for_each_entry_safe(cred, next, &cred_unused, cr_lru) {
if (nr_to_scan-- == 0)
break;
/* /*
* Enforce a 60 second garbage collection moratorium * Enforce a 60 second garbage collection moratorium
* Note that the cred_unused list must be time-ordered. * Note that the cred_unused list must be time-ordered.
@ -255,11 +257,8 @@ rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
get_rpccred(cred); get_rpccred(cred);
list_add_tail(&cred->cr_lru, free); list_add_tail(&cred->cr_lru, free);
rpcauth_unhash_cred_locked(cred); rpcauth_unhash_cred_locked(cred);
nr_to_scan--;
} }
spin_unlock(cache_lock); spin_unlock(cache_lock);
if (nr_to_scan == 0)
break;
} }
return (number_cred_unused / 100) * sysctl_vfs_cache_pressure; return (number_cred_unused / 100) * sysctl_vfs_cache_pressure;
} }