Replaces time_t type and get_seconds function which are not y2038 safe on 32-bit systems. Function ktime_get_seconds use monotonic instead of real time and therefore will not cause overflow.
Signed-off-by: Ksenija Stanojevic ksenija.stanojevic@gmail.com --- Changes in v2: - change put_time to unsigned long type - change commit message
net/rxrpc/ar-connection.c | 4 ++-- net/rxrpc/ar-internal.h | 4 ++-- net/rxrpc/ar-transport.c | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c index 6631f4f..692b3e6 100644 --- a/net/rxrpc/ar-connection.c +++ b/net/rxrpc/ar-connection.c @@ -808,7 +808,7 @@ void rxrpc_put_connection(struct rxrpc_connection *conn)
ASSERTCMP(atomic_read(&conn->usage), >, 0);
- conn->put_time = get_seconds(); + conn->put_time = ktime_get_seconds(); if (atomic_dec_and_test(&conn->usage)) { _debug("zombie"); rxrpc_queue_delayed_work(&rxrpc_connection_reap, 0); @@ -852,7 +852,7 @@ static void rxrpc_connection_reaper(struct work_struct *work)
_enter("");
- now = get_seconds(); + now = ktime_get_seconds(); earliest = ULONG_MAX;
write_lock_bh(&rxrpc_connection_lock); diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index aef1bd2..2934a73 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -208,7 +208,7 @@ struct rxrpc_transport { struct rb_root server_conns; /* server connections on this transport */ struct list_head link; /* link in master session list */ struct sk_buff_head error_queue; /* error packets awaiting processing */ - time_t put_time; /* time at which to reap */ + unsigned long put_time; /* time at which to reap */ spinlock_t client_lock; /* client connection allocation lock */ rwlock_t conn_lock; /* lock for active/dead connections */ atomic_t usage; @@ -256,7 +256,7 @@ struct rxrpc_connection { struct rxrpc_crypt csum_iv; /* packet checksum base */ unsigned long events; #define RXRPC_CONN_CHALLENGE 0 /* send challenge packet */ - time_t put_time; /* time at which to reap */ + unsigned long put_time; /* time at which to reap */ rwlock_t lock; /* access lock */ spinlock_t state_lock; /* state-change lock */ atomic_t usage; diff --git a/net/rxrpc/ar-transport.c b/net/rxrpc/ar-transport.c index 1976dec..9946467 100644 --- a/net/rxrpc/ar-transport.c +++ b/net/rxrpc/ar-transport.c @@ -189,7 +189,7 @@ void rxrpc_put_transport(struct rxrpc_transport *trans)
ASSERTCMP(atomic_read(&trans->usage), >, 0);
- trans->put_time = get_seconds(); + trans->put_time = ktime_get_seconds(); if (unlikely(atomic_dec_and_test(&trans->usage))) { _debug("zombie"); /* let the reaper determine the timeout to avoid a race with @@ -226,7 +226,7 @@ static void rxrpc_transport_reaper(struct work_struct *work)
_enter("");
- now = get_seconds(); + now = ktime_get_seconds(); earliest = ULONG_MAX;
/* extract all the transports that have been dead too long */
On Wednesday 16 September 2015 19:06:54 Ksenija Stanojevic wrote:
Replaces time_t type and get_seconds function which are not y2038 safe on 32-bit systems. Function ktime_get_seconds use monotonic instead of real time and therefore will not cause overflow.
Signed-off-by: Ksenija Stanojevic ksenija.stanojevic@gmail.com
Looks good, thanks for working on this!
Reviewed-by: Arnd Bergmann arnd@arndb.de
Changes in v2:
- change put_time to unsigned long type
- change commit message
net/rxrpc/ar-connection.c | 4 ++-- net/rxrpc/ar-internal.h | 4 ++-- net/rxrpc/ar-transport.c | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c index 6631f4f..692b3e6 100644 --- a/net/rxrpc/ar-connection.c +++ b/net/rxrpc/ar-connection.c @@ -808,7 +808,7 @@ void rxrpc_put_connection(struct rxrpc_connection *conn) ASSERTCMP(atomic_read(&conn->usage), >, 0);
- conn->put_time = get_seconds();
- conn->put_time = ktime_get_seconds(); if (atomic_dec_and_test(&conn->usage)) { _debug("zombie"); rxrpc_queue_delayed_work(&rxrpc_connection_reap, 0);
@@ -852,7 +852,7 @@ static void rxrpc_connection_reaper(struct work_struct *work) _enter("");
- now = get_seconds();
- now = ktime_get_seconds(); earliest = ULONG_MAX;
write_lock_bh(&rxrpc_connection_lock); diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index aef1bd2..2934a73 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -208,7 +208,7 @@ struct rxrpc_transport { struct rb_root server_conns; /* server connections on this transport */ struct list_head link; /* link in master session list */ struct sk_buff_head error_queue; /* error packets awaiting processing */
- time_t put_time; /* time at which to reap */
- unsigned long put_time; /* time at which to reap */ spinlock_t client_lock; /* client connection allocation lock */ rwlock_t conn_lock; /* lock for active/dead connections */ atomic_t usage;
@@ -256,7 +256,7 @@ struct rxrpc_connection { struct rxrpc_crypt csum_iv; /* packet checksum base */ unsigned long events; #define RXRPC_CONN_CHALLENGE 0 /* send challenge packet */
- time_t put_time; /* time at which to reap */
- unsigned long put_time; /* time at which to reap */ rwlock_t lock; /* access lock */ spinlock_t state_lock; /* state-change lock */ atomic_t usage;
diff --git a/net/rxrpc/ar-transport.c b/net/rxrpc/ar-transport.c index 1976dec..9946467 100644 --- a/net/rxrpc/ar-transport.c +++ b/net/rxrpc/ar-transport.c @@ -189,7 +189,7 @@ void rxrpc_put_transport(struct rxrpc_transport *trans) ASSERTCMP(atomic_read(&trans->usage), >, 0);
- trans->put_time = get_seconds();
- trans->put_time = ktime_get_seconds(); if (unlikely(atomic_dec_and_test(&trans->usage))) { _debug("zombie"); /* let the reaper determine the timeout to avoid a race with
@@ -226,7 +226,7 @@ static void rxrpc_transport_reaper(struct work_struct *work) _enter("");
- now = get_seconds();
- now = ktime_get_seconds(); earliest = ULONG_MAX;
/* extract all the transports that have been dead too long */
-
Arnd Bergmann -
Ksenija Stanojevic