[LU-6578] inodebit locks for remote entries.

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.7.0, Lustre 2.5.3, Lustre 2.8.0
• Labels: dne2
• Severity: 3
• Assignee: Lai Siyao
• Reporter: Di Wang

Description

int mdc_intent_getattr_async(struct obd_export *exp,
                             struct md_enqueue_info *minfo,
                             struct ldlm_enqueue_info *einfo)
{
        struct md_op_data       *op_data = &minfo->mi_data;
        struct lookup_intent    *it = &minfo->mi_it;
        struct ptlrpc_request   *req;
        struct mdc_getattr_args *ga;
        struct obd_device       *obddev = class_exp2obd(exp);
        struct ldlm_res_id       res_id;
        /*XXX: Both MDS_INODELOCK_LOOKUP and MDS_INODELOCK_UPDATE are needed
         *     for statahead currently. Consider CMD in future, such two bits
         *     maybe managed by different MDS, should be adjusted then. */
        ldlm_policy_data_t       policy = {
                                        .l_inodebits = { MDS_INODELOCK_LOOKUP |
                                                         MDS_INODELOCK_UPDATE }
                                 };
        int                      rc = 0;
        __u64                    flags = LDLM_FL_HAS_INTENT;
        ENTRY;

Issue Links

• is related to: LU-6829 runtests test_1: MDS hung