LU-5285 mdt: reconstruct to handle non-existing objects

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

diff --git a/lustre/mdt/mdt_handler.c b/lustre/mdt/mdt_handler.c
index 66b0eb4..2e4e8c0 100644 (file)
--- a/lustre/mdt/mdt_handler.c
+++ b/lustre/mdt/mdt_handler.c
@@ -683,13 +683,17 @@ int mdt_attr_get_complex(struct mdt_thread_info *info,
        const struct lu_env *env = info->mti_env;
        struct md_object    *next = mdt_object_child(o);
        struct lu_buf       *buf = &info->mti_buf;
-       u32                  mode = lu_object_attr(&next->mo_lu);
        int                  need = ma->ma_need;
        int                  rc = 0, rc2;
+       u32                  mode;
        ENTRY;
 
        ma->ma_valid = 0;
 
+       if (mdt_object_exists(o) == 0)
+               GOTO(out, rc = -ENOENT);
+       mode = lu_object_attr(&next->mo_lu);
+
        if (need & MA_INODE) {
                ma->ma_need = MA_INODE;
                rc = mo_attr_get(env, next, ma);