LU-10948 llite: Introduce inode open heat counter

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

diff --git a/lustre/llite/namei.c b/lustre/llite/namei.c
index 4889e89..9d7eab3 100644 (file)
--- a/lustre/llite/namei.c
+++ b/lustre/llite/namei.c
@@ -1158,6 +1158,13 @@ static int ll_atomic_open(struct inode *dir, struct dentry *dentry,
 
        OBD_FAIL_TIMEOUT(OBD_FAIL_LLITE_CREATE_FILE_PAUSE2, cfs_fail_val);
 
 
        OBD_FAIL_TIMEOUT(OBD_FAIL_LLITE_CREATE_FILE_PAUSE2, cfs_fail_val);
 

+       /* We can only arrive at this path when we have no inode, so
+        * we only need to request open lock if it was requested
+        * for every open
+        */
+       if (ll_i2sbi(dir)->ll_oc_thrsh_count == 1)
+               it->it_flags |= MDS_OPEN_LOCK;
+

        /* Dentry added to dcache tree in ll_lookup_it */
        de = ll_lookup_it(dir, dentry, it, &secctx, &secctxlen, &pca, encrypt,
                          &encctx, &encctxlen);
        /* Dentry added to dcache tree in ll_lookup_it */
        de = ll_lookup_it(dir, dentry, it, &secctx, &secctxlen, &pca, encrypt,
                          &encctx, &encctxlen);