LU-10165 llite: disable statahead if starting statahead fail

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

diff --git a/lustre/llite/statahead.c b/lustre/llite/statahead.c
index 44cc9e6..4022398 100644 (file)
--- a/lustre/llite/statahead.c
+++ b/lustre/llite/statahead.c
@@ -1588,6 +1588,9 @@ static int start_statahead_thread(struct inode *dir, struct dentry *dentry)
                           lli->lli_opendir_pid);
        thread = &sai->sai_thread;
        if (IS_ERR(task)) {
+               spin_lock(&lli->lli_sa_lock);
+               lli->lli_sai = NULL;
+               spin_unlock(&lli->lli_sa_lock);
                rc = PTR_ERR(task);
                CERROR("can't start ll_sa thread, rc: %d\n", rc);
                GOTO(out, rc);
@@ -1608,10 +1611,8 @@ out:
        /* once we start statahead thread failed, disable statahead so that
         * subsequent stat won't waste time to try it. */
        spin_lock(&lli->lli_sa_lock);
-       if (sai != NULL && lli->lli_sai == sai) {
+       if (lli->lli_opendir_pid == current->pid)
                lli->lli_sa_enabled = 0;
-               lli->lli_sai = NULL;
-       }
        spin_unlock(&lli->lli_sa_lock);
 
        if (sai != NULL)