ceph: use common helper for aborted dir request invalidation

We invalidate I_COMPLETE and dentry leases in two places: on aborted mds
request and on request replay.  Use common helper to avoid duplicate code.

Signed-off-by: Sage Weil <sage@newdream.net>

3 files changed, 27 insertions, 31 deletions

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 1bcf98bd0255..a81b8b662c7b 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -941,21 +941,8 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
 
         if (!rinfo->head->is_target && !rinfo->head->is_dentry) {
                 dout("fill_trace reply is empty!\n");
-                if (rinfo->head->result == 0 && req->r_locked_dir) {
-                        struct ceph_inode_info *ci =
-                                ceph_inode(req->r_locked_dir);
-                        dout(" clearing %p complete (empty trace)\n",
-                             req->r_locked_dir);
-                        spin_lock(&req->r_locked_dir->i_lock);
-                        ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
-                        ci->i_release_count++;
-                        spin_unlock(&req->r_locked_dir->i_lock);
-
-                        if (req->r_dentry)
-                                ceph_invalidate_dentry_lease(req->r_dentry);
-                        if (req->r_old_dentry)
-                                ceph_invalidate_dentry_lease(req->r_old_dentry);
-                }
+                if (rinfo->head->result == 0 && req->r_locked_dir)
+                        ceph_invalidate_dir_request(req);
                 return 0;
         }
 
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 40dd437a26a9..5c17ab44d02d 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1794,22 +1794,8 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
                 mutex_unlock(&req->r_fill_mutex);
 
                 if (req->r_locked_dir &&
-                    (req->r_op & CEPH_MDS_OP_WRITE)) {
-                        struct ceph_inode_info *ci =
-                                ceph_inode(req->r_locked_dir);
-
-                        dout("aborted, clearing I_COMPLETE on %p, leases\n",
-                             req->r_locked_dir);
-                        spin_lock(&req->r_locked_dir->i_lock);
-                        ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
-                        ci->i_release_count++;
-                        spin_unlock(&req->r_locked_dir->i_lock);
-
-                        if (req->r_dentry)
-                                ceph_invalidate_dentry_lease(req->r_dentry);
-                        if (req->r_old_dentry)
-                                ceph_invalidate_dentry_lease(req->r_old_dentry);
-                }
+                    (req->r_op & CEPH_MDS_OP_WRITE))
+                        ceph_invalidate_dir_request(req);
         } else {
                 err = req->r_err;
         }
@@ -1821,6 +1807,27 @@ out:
 }
 
 /*
+ * Invalidate dir I_COMPLETE, dentry lease state on an aborted MDS
+ * namespace request.
+ */
+void ceph_invalidate_dir_request(struct ceph_mds_request *req)
+{
+        struct inode *inode = req->r_locked_dir;
+        struct ceph_inode_info *ci = ceph_inode(inode);
+
+        dout("invalidate_dir_request %p (I_COMPLETE, lease(s))\n", inode);
+        spin_lock(&inode->i_lock);
+        ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
+        ci->i_release_count++;
+        spin_unlock(&inode->i_lock);
+
+        if (req->r_dentry)
+                ceph_invalidate_dentry_lease(req->r_dentry);
+        if (req->r_old_dentry)
+                ceph_invalidate_dentry_lease(req->r_old_dentry);
+}
+
+/*
  * Handle mds reply.
  *
  * We take the session mutex and parse and process the reply immediately.
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 141a265bda75..d9936c4f1212 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -303,6 +303,8 @@ extern void ceph_mdsc_lease_release(struct ceph_mds_client *mdsc,
                                     struct inode *inode,
                                     struct dentry *dn, int mask);
 
+extern void ceph_invalidate_dir_request(struct ceph_mds_request *req);
+
 extern struct ceph_mds_request *
 ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode);
 extern void ceph_mdsc_submit_request(struct ceph_mds_client *mdsc,