LU-12221 statahead: sa_handle_callback get lli_sa_lock earlier

[fs/lustre-release.git] / lustre / llite / statahead.c

diff --git a/lustre/llite/statahead.c b/lustre/llite/statahead.c
index 5379440..0b75ccc 100644 (file)
--- a/lustre/llite/statahead.c
+++ b/lustre/llite/statahead.c
@@ -692,21 +692,19 @@ static void sa_handle_callback(struct ll_statahead_info *sai)
 
        lli = ll_i2info(sai->sai_dentry->d_inode);
 
+       spin_lock(&lli->lli_sa_lock);
        while (sa_has_callback(sai)) {
                struct sa_entry *entry;
 
-               spin_lock(&lli->lli_sa_lock);
-               if (unlikely(!sa_has_callback(sai))) {
-                       spin_unlock(&lli->lli_sa_lock);
-                       break;
-               }
                entry = list_entry(sai->sai_interim_entries.next,
                                   struct sa_entry, se_list);
                list_del_init(&entry->se_list);
                spin_unlock(&lli->lli_sa_lock);
 
                sa_instantiate(sai, entry);
+               spin_lock(&lli->lli_sa_lock);
        }
+       spin_unlock(&lli->lli_sa_lock);
 }
 
 /*