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-rw-r--r--fs/ocfs2/dcache.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index ef99972..0d3a97d 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -70,9 +70,10 @@ static int ocfs2_dentry_revalidate(struct dentry *dentry, unsigned int flags)
*/
if (inode == NULL) {
unsigned long gen = (unsigned long) dentry->d_fsdata;
- unsigned long pgen =
- OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen;
-
+ unsigned long pgen;
+ spin_lock(&dentry->d_lock);
+ pgen = OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen;
+ spin_unlock(&dentry->d_lock);
trace_ocfs2_dentry_revalidate_negative(dentry->d_name.len,
dentry->d_name.name,
pgen, gen);
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