[PATCH] fs/prof: Update comment on pde_unload_lock

[Nathan Zimmer <nzimmer@sgi.com>]

The comment was updated to include the other structures held by the lock.

Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: David Woodhouse <dwmw2@infradead.org>
Acked-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Nathan Zimmer <nzimmer@sgi.com>
---
 include/linux/proc_fs.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 3fd2e87..42e57e3 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -73,7 +73,8 @@ struct proc_dir_entry {
 	int pde_users;	/* number of callers into module in progress */
 	struct completion *pde_unload_completion;
 	struct list_head pde_openers;	/* who did ->open, but not ->release */
-	spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
+	spinlock_t pde_unload_lock;	/* proc_fops checks, pde_users bumps */
+					/* pde_openers, pde_unload_completion */
 	u8 namelen;
 	char name[];
 };
-- 
1.6.0.2