Messages in this thread Patch in this message | | | From | Valerie Aurora <> | Subject | [PATCH 01/41] VFS: BUG() if somebody tries to rehash an already hashed dentry | Date | Wed, 21 Oct 2009 12:18:59 -0700 |
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From: Jan Blunck <jblunck@suse.de>
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@suse.de> Signed-off-by: Valerie Aurora <vaurora@redhat.com> --- fs/dcache.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/dcache.c b/fs/dcache.c index 9e5cd3c..38bf982 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1550,6 +1550,7 @@ 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); -- 1.6.3.3
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