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Diffstat (limited to 'fs/ceph/dir.c')
-rw-r--r--fs/ceph/dir.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 0ced8b570e42..cb67ac821f0e 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1050,6 +1050,9 @@ static int ceph_link(struct dentry *old_dentry, struct inode *dir,
struct ceph_mds_request *req;
int err;
+ if (dentry->d_flags & DCACHE_DISCONNECTED)
+ return -EINVAL;
+
err = ceph_wait_on_conflict_unlink(dentry);
if (err)
return err;
@@ -1057,8 +1060,8 @@ static int ceph_link(struct dentry *old_dentry, struct inode *dir,
if (ceph_snap(dir) != CEPH_NOSNAP)
return -EROFS;
- dout("link in dir %p old_dentry %p dentry %p\n", dir,
- old_dentry, dentry);
+ dout("link in dir %p %llx.%llx old_dentry %p:'%pd' dentry %p:'%pd'\n",
+ dir, ceph_vinop(dir), old_dentry, old_dentry, dentry, dentry);
req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_LINK, USE_AUTH_MDS);
if (IS_ERR(req)) {
d_drop(dentry);
@@ -1067,6 +1070,12 @@ static int ceph_link(struct dentry *old_dentry, struct inode *dir,
req->r_dentry = dget(dentry);
req->r_num_caps = 2;
req->r_old_dentry = dget(old_dentry);
+ /*
+ * The old_dentry maybe a DCACHE_DISCONNECTED dentry, then we
+ * will just pass the ino# to MDSs.
+ */
+ if (old_dentry->d_flags & DCACHE_DISCONNECTED)
+ req->r_ino2 = ceph_vino(d_inode(old_dentry));
req->r_parent = dir;
ihold(dir);
set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags);