aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ceph/dir.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ceph/dir.c')
-rw-r--r--fs/ceph/dir.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index f39a409db0e..883c9546111 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -40,14 +40,6 @@ int ceph_init_dentry(struct dentry *dentry)
if (dentry->d_fsdata)
return 0;
- if (dentry->d_parent == NULL || /* nfs fh_to_dentry */
- ceph_snap(dentry->d_parent->d_inode) == CEPH_NOSNAP)
- d_set_d_op(dentry, &ceph_dentry_ops);
- else if (ceph_snap(dentry->d_parent->d_inode) == CEPH_SNAPDIR)
- d_set_d_op(dentry, &ceph_snapdir_dentry_ops);
- else
- d_set_d_op(dentry, &ceph_snap_dentry_ops);
-
di = kmem_cache_alloc(ceph_dentry_cachep, GFP_NOFS | __GFP_ZERO);
if (!di)
return -ENOMEM; /* oh well */
@@ -58,10 +50,21 @@ int ceph_init_dentry(struct dentry *dentry)
kmem_cache_free(ceph_dentry_cachep, di);
goto out_unlock;
}
+
+ if (dentry->d_parent == NULL || /* nfs fh_to_dentry */
+ ceph_snap(dentry->d_parent->d_inode) == CEPH_NOSNAP)
+ d_set_d_op(dentry, &ceph_dentry_ops);
+ else if (ceph_snap(dentry->d_parent->d_inode) == CEPH_SNAPDIR)
+ d_set_d_op(dentry, &ceph_snapdir_dentry_ops);
+ else
+ d_set_d_op(dentry, &ceph_snap_dentry_ops);
+
di->dentry = dentry;
di->lease_session = NULL;
- dentry->d_fsdata = di;
dentry->d_time = jiffies;
+ /* avoid reordering d_fsdata setup so that the check above is safe */
+ smp_mb();
+ dentry->d_fsdata = di;
ceph_dentry_lru_add(dentry);
out_unlock:
spin_unlock(&dentry->d_lock);