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-rw-r--r--fs/dcache.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 32aaab21e648..bde3b6662601 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2479,7 +2479,7 @@ struct dentry *d_alloc_parallel(struct dentry *parent,
retry:
rcu_read_lock();
- seq = smp_load_acquire(&parent->d_inode->i_dir_seq) & ~1;
+ seq = smp_load_acquire(&parent->d_inode->i_dir_seq);
r_seq = read_seqbegin(&rename_lock);
dentry = __d_lookup_rcu(parent, name, &d_seq);
if (unlikely(dentry)) {
@@ -2500,6 +2500,12 @@ retry:
rcu_read_unlock();
goto retry;
}
+
+ if (unlikely(seq & 1)) {
+ rcu_read_unlock();
+ goto retry;
+ }
+
hlist_bl_lock(b);
if (unlikely(parent->d_inode->i_dir_seq != seq)) {
hlist_bl_unlock(b);