LU-8777 mdt: add parameter to disable remote/striped dir

[fs/lustre-release.git] / lustre / mdt / mdt_xattr.c

diff --git a/lustre/mdt/mdt_xattr.c b/lustre/mdt/mdt_xattr.c
index 9bd7526..5101eab 100644 (file)
--- a/lustre/mdt/mdt_xattr.c
+++ b/lustre/mdt/mdt_xattr.c
@@ -310,6 +310,7 @@ static int mdt_dir_layout_shrink(struct mdt_thread_info *info)
 {
        const struct lu_env *env = info->mti_env;
        struct mdt_device *mdt = info->mti_mdt;
+       struct lu_ucred *uc = mdt_ucred(info);
        struct mdt_reint_record *rr = &info->mti_rr;
        struct lmv_user_md *lmu = rr->rr_eadata;
        __u32 lum_stripe_count = lmu->lum_stripe_count;
@@ -325,9 +326,13 @@ static int mdt_dir_layout_shrink(struct mdt_thread_info *info)
 
        ENTRY;
 
-       rc = mdt_remote_dir_permission(info);
-       if (rc)
-               RETURN(rc);
+       if (!mdt->mdt_enable_dir_migration)
+               RETURN(-EPERM);
+
+       if (!md_capable(uc, CFS_CAP_SYS_ADMIN) &&
+           uc->uc_gid != mdt->mdt_enable_remote_dir_gid &&
+           mdt->mdt_enable_remote_dir_gid != -1)
+               RETURN(-EPERM);
 
        /* mti_big_lmm is used to save LMV, but it may be uninitialized. */
        if (unlikely(!info->mti_big_lmm)) {