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-rw-r--r--fs/dcache.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index a901c6901bce..10ba92def3f6 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -36,6 +36,7 @@
36#include <linux/bit_spinlock.h> 36#include <linux/bit_spinlock.h>
37#include <linux/rculist_bl.h> 37#include <linux/rculist_bl.h>
38#include <linux/prefetch.h> 38#include <linux/prefetch.h>
39#include <linux/ratelimit.h>
39#include "internal.h" 40#include "internal.h"
40 41
41/* 42/*
@@ -2383,8 +2384,16 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
2383 actual = __d_unalias(inode, dentry, alias); 2384 actual = __d_unalias(inode, dentry, alias);
2384 } 2385 }
2385 write_sequnlock(&rename_lock); 2386 write_sequnlock(&rename_lock);
2386 if (IS_ERR(actual)) 2387 if (IS_ERR(actual)) {
2388 if (PTR_ERR(actual) == -ELOOP)
2389 pr_warn_ratelimited(
2390 "VFS: Lookup of '%s' in %s %s"
2391 " would have caused loop\n",
2392 dentry->d_name.name,
2393 inode->i_sb->s_type->name,
2394 inode->i_sb->s_id);
2387 dput(alias); 2395 dput(alias);
2396 }
2388 goto out_nolock; 2397 goto out_nolock;
2389 } 2398 }
2390 } 2399 }