LU-4588 code: replace semaphores with mutexes

[fs/lustre-release.git] / lustre / mgc / mgc_request.c

diff --git a/lustre/mgc/mgc_request.c b/lustre/mgc/mgc_request.c
index 9066fe0..777aee4 100644 (file)
--- a/lustre/mgc/mgc_request.c
+++ b/lustre/mgc/mgc_request.c
@@ -704,8 +704,8 @@ static int mgc_fs_setup(struct obd_device *obd, struct super_block *sb)
        if (env == NULL)
                RETURN(-ENOMEM);
 
-       /* The mgc fs exclusion sem. Only one fs can be setup at a time. */
-       down(&cli->cl_mgc_sem);
+       /* The mgc fs exclusion mutex. Only one fs can be setup at a time. */
+       mutex_lock(&cli->cl_mgc_mutex);
 
        cfs_cleanup_group_info();
 
@@ -760,7 +760,7 @@ out_los:
        if (rc < 0) {
                local_oid_storage_fini(env, cli->cl_mgc_los);
                cli->cl_mgc_los = NULL;
-               up(&cli->cl_mgc_sem);
+               mutex_unlock(&cli->cl_mgc_mutex);
        }
 out_env:
        lu_env_fini(env);
@@ -794,7 +794,7 @@ static int mgc_fs_cleanup(struct obd_device *obd)
 
 unlock:
        class_decref(obd, "mgc_fs", obd);
-       up(&cli->cl_mgc_sem);
+       mutex_unlock(&cli->cl_mgc_mutex);
 
        RETURN(0);
 }