xnu-7195.101.1.tar.gz

[apple/xnu.git] / bsd / miscfs / mockfs / mockfs_vfsops.c

diff --git a/bsd/miscfs/mockfs/mockfs_vfsops.c b/bsd/miscfs/mockfs/mockfs_vfsops.c
index 4a524a0546a91a02a8f8c6e57aff75e5ff16443c..588fa7aadfd70fcd2359f49bdb9d7272c3a5daf2 100644 (file)
--- a/bsd/miscfs/mockfs/mockfs_vfsops.c
+++ b/bsd/miscfs/mockfs/mockfs_vfsops.c
@@ -39,9 +39,7 @@
 #include <sys/mount_internal.h>
 #include <sys/vnode_internal.h>
 
-lck_attr_t * mockfs_mtx_attr = (lck_attr_t *) 0;
-lck_grp_attr_t * mockfs_grp_attr = (lck_grp_attr_t *) 0;
-lck_grp_t * mockfs_mtx_grp = (lck_grp_t *) 0;
+static LCK_GRP_DECLARE(mockfs_mtx_grp, "mockfs-mutex");
 
 int mockfs_mountroot(mount_t mp, vnode_t rvp, __unused vfs_context_t ctx);
 
@@ -111,7 +109,7 @@ mockfs_mountroot(mount_t mp, vnode_t rvp, __unused vfs_context_t ctx)
                }
        }
 
-       lck_mtx_init(&mockfs_mount_data->mockfs_mnt_mtx, mockfs_mtx_grp, mockfs_mtx_attr);
+       lck_mtx_init(&mockfs_mount_data->mockfs_mnt_mtx, &mockfs_mtx_grp, LCK_ATTR_NULL);
 
        /*
         * All of the needed nodes/structures have been set up; now we just need to establish the relationships
@@ -140,7 +138,7 @@ done:
                        mockfs_fsnode_destroy(root_fsnode);
                }
                if (mockfs_mount_data) {
-                       lck_mtx_destroy(&mockfs_mount_data->mockfs_mnt_mtx, mockfs_mtx_grp);
+                       lck_mtx_destroy(&mockfs_mount_data->mockfs_mnt_mtx, &mockfs_mtx_grp);
                        FREE(mockfs_mount_data, M_TEMP);
                }
        }
@@ -193,7 +191,7 @@ mockfs_unmount(struct mount *mp, int mntflags, __unused vfs_context_t ctx)
                panic("mockfs_unmount: Failed to destroy the fsnode tree");
        }
 
-       lck_mtx_destroy(&mockfs_mnt->mockfs_mnt_mtx, mockfs_mtx_grp);
+       lck_mtx_destroy(&mockfs_mnt->mockfs_mnt_mtx, &mockfs_mtx_grp);
        FREE(mockfs_mnt, M_TEMP);
        mp->mnt_data = NULL;
 
@@ -227,28 +225,9 @@ mockfs_sync(__unused struct mount *mp, __unused int waitfor, __unused vfs_contex
        return 0;
 }
 
-/*
- * mockfs_init:
- *   Run once (during VFS initialization); takes care of generic mockfs initialization (which for now, means
- *   global lock information).
- *
- * Returns 0 on success, or an error.
- */
 int
 mockfs_init(__unused struct vfsconf * vfsc)
 {
-       mockfs_mtx_attr = lck_attr_alloc_init();
-       mockfs_grp_attr = lck_grp_attr_alloc_init();
-       mockfs_mtx_grp = lck_grp_alloc_init("mockfs-mutex", mockfs_grp_attr);
-
-       /*
-        * If we've failed to allocate this early in boot, something is horrendously wrong; it should be fine to
-        *   panic (for now).
-        */
-       if (!mockfs_mtx_attr || !mockfs_grp_attr || !mockfs_mtx_grp) {
-               panic("mockfs_init failed to allocate lock information");
-       }
-
        return 0;
 }