LU-7660 dne: support fs default stripe

[fs/lustre-release.git] / lustre / mdt / mdt_internal.h

diff --git a/lustre/mdt/mdt_internal.h b/lustre/mdt/mdt_internal.h
index 9015cc6..68dcde9 100644 (file)
--- a/lustre/mdt/mdt_internal.h
+++ b/lustre/mdt/mdt_internal.h
@@ -199,10 +199,13 @@ struct mdt_device {
                                   mdt_skip_lfsck:1;
 
        gid_t                      mdt_enable_remote_dir_gid;
+
+       /* lock for osfs and md_root */
+       spinlock_t                 mdt_lock;
+
        /* statfs optimization: we cache a bit  */
        struct obd_statfs          mdt_osfs;
        __u64                      mdt_osfs_age;
-       spinlock_t                 mdt_osfs_lock;
 
         /* root squash */
        struct root_squash_info    mdt_squash;
@@ -222,20 +225,19 @@ struct mdt_device {
 
        /* MDT device async commit count, used for debug and sanity test */
        atomic_t                   mdt_async_commit_count;
+
+       struct mdt_object         *mdt_md_root;
 };
 
 #define MDT_SERVICE_WATCHDOG_FACTOR    (2)
 #define MDT_COS_DEFAULT         (0)
 
-enum mdt_object_flags {
-       /** lov object has been created. */
-       MOF_LOV_CREATED         = 1 << 0,
-};
-
 struct mdt_object {
        struct lu_object_header mot_header;
        struct lu_object        mot_obj;
-       enum mdt_object_flags   mot_flags;
+       unsigned int            mot_lov_created:1,  /* lov object created */
+                               mot_cache_attr:1;   /* enable remote object
+                                                    * attribute cache */
        int                     mot_write_count;
        spinlock_t              mot_write_lock;
         /* Lock to protect create_data */
@@ -626,7 +628,8 @@ void mdt_client_compatibility(struct mdt_thread_info *info);
 int mdt_remote_object_lock(struct mdt_thread_info *mti,
                           struct mdt_object *o, const struct lu_fid *fid,
                           struct lustre_handle *lh,
-                          enum ldlm_mode mode, __u64 ibits, bool nonblock);
+                          enum ldlm_mode mode, __u64 ibits, bool nonblock,
+                          bool cache);
 
 enum mdt_name_flags {
        MNF_FIX_ANON = 1,