LU-3285 merge: 'dom' branch merging

[fs/lustre-release.git] / lustre / target / tgt_main.c

diff --git a/lustre/target/tgt_main.c b/lustre/target/tgt_main.c
index ef85c9c..da09bcb 100644 (file)
--- a/lustre/target/tgt_main.c
+++ b/lustre/target/tgt_main.c
@@ -152,6 +152,8 @@ int tgt_init(const struct lu_env *env, struct lu_target *lut,
        struct lu_attr           attr;
        struct lu_fid            fid;
        struct dt_object        *o;
+       struct tg_grants_data   *tgd = &lut->lut_tgd;
+       struct obd_statfs       *osfs;
        int i, rc = 0;
 
        ENTRY;
@@ -188,6 +190,38 @@ int tgt_init(const struct lu_env *env, struct lu_target *lut,
        if (!obd->obd_replayable)
                RETURN(0);
 
+       /* initialize grant and statfs data in target */
+       dt_conf_get(env, lut->lut_bottom, &lut->lut_dt_conf);
+
+       /* statfs data */
+       spin_lock_init(&tgd->tgd_osfs_lock);
+       tgd->tgd_osfs_age = cfs_time_shift_64(-1000);
+       tgd->tgd_osfs_unstable = 0;
+       tgd->tgd_statfs_inflight = 0;
+       tgd->tgd_osfs_inflight = 0;
+
+       /* grant data */
+       spin_lock_init(&tgd->tgd_grant_lock);
+       tgd->tgd_tot_dirty = 0;
+       tgd->tgd_tot_granted = 0;
+       tgd->tgd_tot_pending = 0;
+       tgd->tgd_grant_compat_disable = 0;
+
+       /* populate cached statfs data */
+       osfs = &tgt_th_info(env)->tti_u.osfs;
+       rc = tgt_statfs_internal(env, lut, osfs, 0, NULL);
+       if (rc != 0) {
+               CERROR("%s: can't get statfs data, rc %d\n", tgt_name(lut),
+                       rc);
+               GOTO(out, rc);
+       }
+       if (!is_power_of_2(osfs->os_bsize)) {
+               CERROR("%s: blocksize (%d) is not a power of 2\n",
+                       tgt_name(lut), osfs->os_bsize);
+               GOTO(out, rc = -EPROTO);
+       }
+       tgd->tgd_blockbits = fls(osfs->os_bsize) - 1;
+
        spin_lock_init(&lut->lut_translock);
        spin_lock_init(&lut->lut_client_bitmap_lock);