| title: | PATCH 02 32 VFS BUG if somebody tries to |
|
Break early when somebody tries to rehash an already hashed dentry.
Otherwise this leads to interesting corruptions in the dcache hash table
later on.
Signed-off-by: Jan Blunck <jblunck@xxxxxxx
Signed-off-by: Valerie Aurora (Henson) <vaurora@xxxxxxxxxx
---
fs/dcache.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/dcache.c b/fs/dcache.c
index 07e2d4a..085f527 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1562,6 +1562,7 @@ void d_rehash(struct dentry * entry)
{
spin_lock(&dcache_lock);
spin_lock(&entry- d_lock);
+ BUG_ON(!d_unhashed(entry));
_d_rehash(entry);
spin_unlock(&entry- d_lock);
spin_unlock(&dcache_lock);
--
1.6.1.3
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