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authorEric W. Biederman <ebiederm@xmission.com>2011-11-16 23:15:31 -0800
committerEric W. Biederman <ebiederm@xmission.com>2012-04-07 16:55:51 -0700
commitc4a4d603796c727b9555867571f89483be9c565e (patch)
treeae3b47a7b8b35c866df53cb4b4a051d49a28904a /fs
parent7e6bd8fadd1216f50468f965d0308f45e5109ced (diff)
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op-kernel-dev-c4a4d603796c727b9555867571f89483be9c565e.tar.gz
userns: Use cred->user_ns instead of cred->user->user_ns
Optimize performance and prepare for the removal of the user_ns reference from user_struct. Remove the slow long walk through cred->user->user_ns and instead go straight to cred->user_ns. Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ecryptfs/messaging.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index ab22480..a750f95 100644
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -303,7 +303,7 @@ int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid,
mutex_unlock(&ecryptfs_daemon_hash_mux);
goto wake_up;
}
- tsk_user_ns = __task_cred(msg_ctx->task)->user->user_ns;
+ tsk_user_ns = __task_cred(msg_ctx->task)->user_ns;
ctx_euid = task_euid(msg_ctx->task);
rc = ecryptfs_find_daemon_by_euid(&daemon, ctx_euid, tsk_user_ns);
rcu_read_unlock();
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