---

yaml --- r: 275751 b: refs/heads/master c: dd17994 h: refs/heads/master i: 275749: ab68c0b 275747: 17a3a76 275743: b51c380 v: v3
git-mirror · Nov 21, 2011 · 4a3c299 · 4a3c299
1 parent af091c4
commit 4a3c299
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Showing 2 changed files with 11 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f1fd306a91f875e65af0e04855b23adda6831ac9
+refs/heads/master: dd179946db2493646955efc112d73c85b3cafcb1
diff --git a/trunk/fs/dcache.c b/trunk/fs/dcache.c
@@ -36,6 +36,7 @@
 #include <linux/bit_spinlock.h>
 #include <linux/rculist_bl.h>
 #include <linux/prefetch.h>
+#include <linux/ratelimit.h>
 #include "internal.h"
 
 /*
@@ -2383,8 +2384,16 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
 				actual = __d_unalias(inode, dentry, alias);
 			}
 			write_sequnlock(&rename_lock);
-			if (IS_ERR(actual))
+			if (IS_ERR(actual)) {
+				if (PTR_ERR(actual) == -ELOOP)
+					pr_warn_ratelimited(
+						"VFS: Lookup of '%s' in %s %s"
+						" would have caused loop\n",
+						dentry->d_name.name,
+						inode->i_sb->s_type->name,
+						inode->i_sb->s_id);
 				dput(alias);
+			}
 			goto out_nolock;
 		}
 	}