LU-3544 fid: do open-by-fid by default

[fs/lustre-release.git] / lustre / llite / llite_lib.c

diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c
index c5b6210..76e0f3b 100644 (file)
--- a/lustre/llite/llite_lib.c
+++ b/lustre/llite/llite_lib.c
@@ -97,6 +97,8 @@ static struct ll_sb_info *ll_init_sbi(void)
        spin_lock_init(&sbi->ll_cache.ccc_lru_lock);
        INIT_LIST_HEAD(&sbi->ll_cache.ccc_lru);
 
+       /* turn unstable check off by default as it impacts performance */
+       sbi->ll_cache.ccc_unstable_check = 0;
        atomic_set(&sbi->ll_cache.ccc_unstable_nr, 0);
        init_waitqueue_head(&sbi->ll_cache.ccc_unstable_waitq);
 
@@ -211,7 +213,8 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt,
                                  OBD_CONNECT_LAYOUTLOCK | OBD_CONNECT_PINGLESS |
                                  OBD_CONNECT_MAX_EASIZE |
                                  OBD_CONNECT_FLOCK_DEAD |
-                                 OBD_CONNECT_DISP_STRIPE | OBD_CONNECT_LFSCK;
+                                 OBD_CONNECT_DISP_STRIPE | OBD_CONNECT_LFSCK |
+                                 OBD_CONNECT_OPEN_BY_FID;
 
         if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
                 data->ocd_connect_flags |= OBD_CONNECT_SOM;
@@ -2588,20 +2591,6 @@ struct md_op_data * ll_prep_md_op_data(struct md_op_data *op_data,
        op_data->op_mds = 0;
        op_data->op_data = data;
 
-        /* If the file is being opened after mknod() (normally due to NFS)
-         * try to use the default stripe data from parent directory for
-         * allocating OST objects.  Try to pass the parent FID to MDS. */
-        if (opc == LUSTRE_OPC_CREATE && i1 == i2 && S_ISREG(i2->i_mode) &&
-           !ll_i2info(i2)->lli_has_smd) {
-               struct ll_inode_info *lli = ll_i2info(i2);
-
-               spin_lock(&lli->lli_lock);
-               if (likely(!lli->lli_has_smd && !fid_is_zero(&lli->lli_pfid)))
-                       op_data->op_fid1 = lli->lli_pfid;
-               spin_unlock(&lli->lli_lock);
-               /** We ignore parent's capability temporary. */
-       }
-
        /* When called by ll_setattr_raw, file is i1. */
        if (LLIF_DATA_MODIFIED & ll_i2info(i1)->lli_flags)
                op_data->op_bias |= MDS_DATA_MODIFIED;