b=3869

r=bzzz

Reconstruct create reply for CROSS_REF directories from the dentry.

diff --git a/lustre/mds/mds_internal.h b/lustre/mds/mds_internal.h
index 385f471..27e7f53 100644 (file)
--- a/lustre/mds/mds_internal.h
+++ b/lustre/mds/mds_internal.h
@@ -123,6 +123,7 @@ int mds_get_md(struct obd_device *, struct inode *, void *md, int *size,
                int lock);
 int mds_pack_md(struct obd_device *, struct lustre_msg *, int offset,
                 struct mds_body *, struct inode *, int lock);
+void mds_pack_dentry2fid(struct ll_fid *, struct dentry *);
 void mds_pack_inode2fid(struct obd_device *, struct ll_fid *, struct inode *);
 void mds_pack_inode2body(struct obd_device *, struct mds_body *, struct inode *);
 #endif

diff --git a/lustre/mds/mds_lib.c b/lustre/mds/mds_lib.c
index bc7717e..e5a591b 100644 (file)
--- a/lustre/mds/mds_lib.c
+++ b/lustre/mds/mds_lib.c
@@ -49,6 +49,14 @@
 #include <linux/lustre_lib.h>
 #include <linux/lustre_mds.h>
 
+void mds_pack_dentry2fid(struct ll_fid *fid,
+                                struct dentry *dentry)
+{
+        fid->id = dentry->d_inum;
+        fid->generation = dentry->d_generation;
+        fid->mds = dentry->d_mdsnum;
+}
+
 void mds_pack_inode2fid(struct obd_device *obd, struct ll_fid *fid,
                                 struct inode *inode)
 {

diff --git a/lustre/mds/mds_reint.c b/lustre/mds/mds_reint.c
index e590380..80fe242 100644 (file)
--- a/lustre/mds/mds_reint.c
+++ b/lustre/mds/mds_reint.c
@@ -543,15 +543,20 @@ static void reconstruct_reint_create(struct mds_update_record *rec, int offset,
         LASSERT(!IS_ERR(parent));
         child = ll_lookup_one_len(rec->ur_name, parent, rec->ur_namelen - 1);
         LASSERT(!IS_ERR(child));
-        if (child->d_inode == NULL) {
+        if ((child->d_flags & DCACHE_CROSS_REF)) {
+                LASSERTF(child->d_inode == NULL, "BUG 3869");
+                body = lustre_msg_buf(req->rq_repmsg, offset, sizeof (*body));
+                mds_pack_dentry2fid(&body->fid1, child);
+        } else if (child->d_inode == NULL) {
                 DEBUG_REQ(D_ERROR, req, "parent "LPU64"/%u name %s mode %o",
                           rec->ur_fid1->id, rec->ur_fid1->generation,
                           rec->ur_name, rec->ur_mode);
                 LASSERTF(child->d_inode != NULL, "BUG 3869");
+        } else {
+                body = lustre_msg_buf(req->rq_repmsg, offset, sizeof (*body));
+                mds_pack_inode2fid(req2obd(req), &body->fid1, child->d_inode);
+                mds_pack_inode2body(req2obd(req), body, child->d_inode);
         }
-        body = lustre_msg_buf(req->rq_repmsg, offset, sizeof (*body));
-        mds_pack_inode2fid(req2obd(req), &body->fid1, child->d_inode);
-        mds_pack_inode2body(req2obd(req), body, child->d_inode);
         l_dput(parent);
         l_dput(child);
         EXIT;