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-rw-r--r--fs/configfs/dir.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 2619f485bc3d..a08e5c2f25e8 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -37,10 +37,11 @@
37DECLARE_RWSEM(configfs_rename_sem); 37DECLARE_RWSEM(configfs_rename_sem);
38/* 38/*
39 * Protects mutations of configfs_dirent linkage together with proper i_mutex 39 * Protects mutations of configfs_dirent linkage together with proper i_mutex
40 * Also protects mutations of symlinks linkage to target configfs_dirent
40 * Mutators of configfs_dirent linkage must *both* have the proper inode locked 41 * Mutators of configfs_dirent linkage must *both* have the proper inode locked
41 * and configfs_dirent_lock locked, in that order. 42 * and configfs_dirent_lock locked, in that order.
42 * This allows one to safely traverse configfs_dirent trees without having to 43 * This allows one to safely traverse configfs_dirent trees and symlinks without
43 * lock inodes. 44 * having to lock inodes.
44 */ 45 */
45DEFINE_SPINLOCK(configfs_dirent_lock); 46DEFINE_SPINLOCK(configfs_dirent_lock);
46 47