diff options
| author | Bryan Schumaker <bjschuma@netapp.com> | 2012-02-24 23:14:50 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-03-02 01:50:31 +0400 |
| commit | 59e6b9c11341e3b8ac5925427c903d4eae435bd8 (patch) | |
| tree | 68b39f847badedfca1476fbbf7ef6049a444f493 /security/keys/keyctl.c | |
| parent | 0cb3284b535bd5eacc287632b55150c8e5d9edc7 (diff) | |
| download | linux-59e6b9c11341e3b8ac5925427c903d4eae435bd8.tar.xz | |
Created a function for setting timeouts on keys
The keyctl_set_timeout function isn't exported to other parts of the
kernel, but I want to use it for the NFS idmapper. I already have the
key, but I wanted a generic way to set the timeout.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'security/keys/keyctl.c')
| -rw-r--r-- | security/keys/keyctl.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index 0b3f5d72af1c..0a4a21d73f6a 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -14,6 +14,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/syscalls.h> +#include <linux/key.h> #include <linux/keyctl.h> #include <linux/fs.h> #include <linux/capability.h> @@ -1244,10 +1245,8 @@ error: */ long keyctl_set_timeout(key_serial_t id, unsigned timeout) { - struct timespec now; struct key *key, *instkey; key_ref_t key_ref; - time_t expiry; long ret; key_ref = lookup_user_key(id, KEY_LOOKUP_CREATE | KEY_LOOKUP_PARTIAL, @@ -1273,20 +1272,7 @@ long keyctl_set_timeout(key_serial_t id, unsigned timeout) okay: key = key_ref_to_ptr(key_ref); - - /* make the changes with the locks held to prevent races */ - down_write(&key->sem); - - expiry = 0; - if (timeout > 0) { - now = current_kernel_time(); - expiry = now.tv_sec + timeout; - } - - key->expiry = expiry; - key_schedule_gc(key->expiry + key_gc_delay); - - up_write(&key->sem); + key_set_timeout(key, timeout); key_put(key); ret = 0; |