diff options
Diffstat (limited to 'include/linux/kernfs.h')
| -rw-r--r-- | include/linux/kernfs.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index 9e8ca8743c26..1093abf7c28c 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -98,6 +98,11 @@ struct kernfs_elem_dir { * better directly in kernfs_node but is here to save space. */ struct kernfs_root *root; + /* + * Monotonic revision counter, used to identify if a directory + * node has changed during negative dentry revalidation. + */ + unsigned long rev; }; struct kernfs_elem_symlink { @@ -188,7 +193,7 @@ struct kernfs_root { u32 id_highbits; struct kernfs_syscall_ops *syscall_ops; - /* list of kernfs_super_info of this root, protected by kernfs_mutex */ + /* list of kernfs_super_info of this root, protected by kernfs_rwsem */ struct list_head supers; wait_queue_head_t deactivate_waitq; |