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inotify: Remove inode pointers from debug messages
authorJan Kara <jack@suse.cz>
Fri, 9 Dec 2016 08:38:55 +0000 (09:38 +0100)
committerJan Kara <jack@suse.cz>
Mon, 3 Apr 2017 14:56:34 +0000 (16:56 +0200)
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.

Reviewed-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
fs/notify/inotify/inotify_fsnotify.c
fs/notify/inotify/inotify_user.c

index 1aeb837..f310d83 100644 (file)
@@ -156,8 +156,8 @@ 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;
 }
 
index 498d609..b82a507 100644 (file)
@@ -429,18 +429,16 @@ 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;
        }
 
@@ -451,12 +449,10 @@ 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;
        }
 
@@ -466,9 +462,8 @@ 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();
        }