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| author | David S. Miller <davem@davemloft.net> | 2011-12-02 13:49:21 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-02 13:49:21 -0500 |
| commit | b3613118eb30a589d971e4eccbbb2a1314f5dfd4 (patch) | |
| tree | 868c1ee59e1b5c19a4f2e43716400d0001a994e5 /fs/dcache.c | |
| parent | 7505afe28c16a8d386624930a018d0052c75d687 (diff) | |
| parent | 5983fe2b29df5885880d7fa3b91aca306c7564ef (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/dcache.c')
| -rw-r--r-- | fs/dcache.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index a901c6901bc..10ba92def3f 100644 --- a/fs/dcache.c +++ b/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; } } |