[02/22] inotify: Remove inode pointers from debug messages
diff mbox

Message ID 20161222091538.28702-3-jack@suse.cz
State New
Headers show

Commit Message

Jan Kara Dec. 22, 2016, 9:15 a.m. UTC
Printing inode pointers in warnings has dubious value and with future
changes we won't be able to easily get them without either locking or
chances we oops along the way. So just remove inode pointers from the
warning messages.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/notify/inotify/inotify_fsnotify.c |  4 ++--
 fs/notify/inotify/inotify_user.c     | 25 ++++++++++---------------
 2 files changed, 12 insertions(+), 17 deletions(-)

Comments

Amir Goldstein Dec. 22, 2016, 3:31 p.m. UTC | #1
On Thu, Dec 22, 2016 at 11:15 AM, Jan Kara <jack@suse.cz> wrote:
> Printing inode pointers in warnings has dubious value and with future
> changes we won't be able to easily get them without either locking or
> chances we oops along the way. So just remove inode pointers from the
> warning messages.
>
> Signed-off-by: Jan Kara <jack@suse.cz>

Reviewed-by: Amir Goldstein <amir73il@gmail.com>
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Patch
diff mbox

diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c
index 19e7ec109a75..8421f44b3cb3 100644
--- a/fs/notify/inotify/inotify_fsnotify.c
+++ b/fs/notify/inotify/inotify_fsnotify.c
@@ -155,8 +155,8 @@  static int idr_callback(int id, void *p, void *data)
 	 * BUG() that was here.
 	 */
 	if (fsn_mark)
-		printk(KERN_WARNING "fsn_mark->group=%p inode=%p wd=%d\n",
-			fsn_mark->group, fsn_mark->inode, i_mark->wd);
+		printk(KERN_WARNING "fsn_mark->group=%p wd=%d\n",
+			fsn_mark->group, i_mark->wd);
 	return 0;
 }
 
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 69d1ea3d292a..3697567c7897 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -431,18 +431,16 @@  static void inotify_remove_from_idr(struct fsnotify_group *group,
 	 * if it wasn't....
 	 */
 	if (wd == -1) {
-		WARN_ONCE(1, "%s: i_mark=%p i_mark->wd=%d i_mark->group=%p"
-			" i_mark->inode=%p\n", __func__, i_mark, i_mark->wd,
-			i_mark->fsn_mark.group, i_mark->fsn_mark.inode);
+		WARN_ONCE(1, "%s: i_mark=%p i_mark->wd=%d i_mark->group=%p\n",
+			__func__, i_mark, i_mark->wd, i_mark->fsn_mark.group);
 		goto out;
 	}
 
 	/* Lets look in the idr to see if we find it */
 	found_i_mark = inotify_idr_find_locked(group, wd);
 	if (unlikely(!found_i_mark)) {
-		WARN_ONCE(1, "%s: i_mark=%p i_mark->wd=%d i_mark->group=%p"
-			" i_mark->inode=%p\n", __func__, i_mark, i_mark->wd,
-			i_mark->fsn_mark.group, i_mark->fsn_mark.inode);
+		WARN_ONCE(1, "%s: i_mark=%p i_mark->wd=%d i_mark->group=%p\n",
+			__func__, i_mark, i_mark->wd, i_mark->fsn_mark.group);
 		goto out;
 	}
 
@@ -453,12 +451,10 @@  static void inotify_remove_from_idr(struct fsnotify_group *group,
 	 */
 	if (unlikely(found_i_mark != i_mark)) {
 		WARN_ONCE(1, "%s: i_mark=%p i_mark->wd=%d i_mark->group=%p "
-			"mark->inode=%p found_i_mark=%p found_i_mark->wd=%d "
-			"found_i_mark->group=%p found_i_mark->inode=%p\n",
-			__func__, i_mark, i_mark->wd, i_mark->fsn_mark.group,
-			i_mark->fsn_mark.inode, found_i_mark, found_i_mark->wd,
-			found_i_mark->fsn_mark.group,
-			found_i_mark->fsn_mark.inode);
+			"found_i_mark=%p found_i_mark->wd=%d "
+			"found_i_mark->group=%p\n", __func__, i_mark,
+			i_mark->wd, i_mark->fsn_mark.group, found_i_mark,
+			found_i_mark->wd, found_i_mark->fsn_mark.group);
 		goto out;
 	}
 
@@ -468,9 +464,8 @@  static void inotify_remove_from_idr(struct fsnotify_group *group,
 	 * one ref grabbed by inotify_idr_find
 	 */
 	if (unlikely(atomic_read(&i_mark->fsn_mark.refcnt) < 3)) {
-		printk(KERN_ERR "%s: i_mark=%p i_mark->wd=%d i_mark->group=%p"
-			" i_mark->inode=%p\n", __func__, i_mark, i_mark->wd,
-			i_mark->fsn_mark.group, i_mark->fsn_mark.inode);
+		printk(KERN_ERR "%s: i_mark=%p i_mark->wd=%d i_mark->group=%p\n",
+			 __func__, i_mark, i_mark->wd, i_mark->fsn_mark.group);
 		/* we can't really recover with bad ref cnting.. */
 		BUG();
 	}