diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-30 12:51:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-30 12:51:42 -0700 |
| commit | 1b2d3d94ec878c3529153061cd8cceb876e01a3e (patch) | |
| tree | 93adaf1666942024cce4e3aa0bc58f0f1095bd2f /net/sunrpc/auth.c | |
| parent | 8bd93ca7b03f38a7bc1a4ed9e93e8c006e753d5b (diff) | |
| parent | 5f707eb429e2c98dfd564ffbbd9f536bf493d869 (diff) | |
Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
SUNRPC: Fix potential race in put_rpccred()
SUNRPC: Fix rpcauth_prune_expired
NFS: Convert nfs_attr_generation_counter into an atomic_long
SUNRPC: Respond promptly to server TCP resets
Diffstat (limited to 'net/sunrpc/auth.c')
| -rw-r--r-- | net/sunrpc/auth.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index 436bf1b4b76..cb216b2df66 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -228,19 +228,21 @@ static int rpcauth_prune_expired(struct list_head *free, int nr_to_scan) { spinlock_t *cache_lock; - struct rpc_cred *cred; + struct rpc_cred *cred, *next; unsigned long expired = jiffies - RPC_AUTH_EXPIRY_MORATORIUM; - while (!list_empty(&cred_unused)) { - cred = list_entry(cred_unused.next, struct rpc_cred, cr_lru); + list_for_each_entry_safe(cred, next, &cred_unused, cr_lru) { + + /* Enforce a 60 second garbage collection moratorium */ + if (time_in_range(cred->cr_expire, expired, jiffies) && + test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0) + continue; + list_del_init(&cred->cr_lru); number_cred_unused--; if (atomic_read(&cred->cr_count) != 0) continue; - /* Enforce a 5 second garbage collection moratorium */ - if (time_in_range(cred->cr_expire, expired, jiffies) && - test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) != 0) - continue; + cache_lock = &cred->cr_auth->au_credcache->lock; spin_lock(cache_lock); if (atomic_read(&cred->cr_count) == 0) { @@ -453,7 +455,7 @@ need_lock: } if (test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) == 0) rpcauth_unhash_cred(cred); - else if (test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0) { + if (test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0) { cred->cr_expire = jiffies; list_add_tail(&cred->cr_lru, &cred_unused); number_cred_unused++; |