LU-28 fileset: add fileset mount support

[fs/lustre-release.git] / lustre / lmv / lmv_obd.c

diff --git a/lustre/lmv/lmv_obd.c b/lustre/lmv/lmv_obd.c
index 0198517..0b7a1f0 100644 (file)
--- a/lustre/lmv/lmv_obd.c
+++ b/lustre/lmv/lmv_obd.c
@@ -691,14 +691,18 @@ static int lmv_fid2path(struct obd_export *exp, int len, void *karg,
        struct getinfo_fid2path *gf;
        struct lmv_tgt_desc     *tgt;
        struct getinfo_fid2path *remote_gf = NULL;
+       struct lu_fid           root_fid;
        int                     remote_gf_size = 0;
        int                     rc;
 
-       gf = (struct getinfo_fid2path *)karg;
+       gf = karg;
        tgt = lmv_find_target(lmv, &gf->gf_fid);
        if (IS_ERR(tgt))
                RETURN(PTR_ERR(tgt));
 
+       root_fid = *gf->gf_u.gf_root_fid;
+       LASSERT(fid_is_sane(&root_fid));
+
 repeat_fid2path:
        rc = obd_iocontrol(OBD_IOC_FID2PATH, tgt->ltd_exp, len, gf, uarg);
        if (rc != 0 && rc != -EREMOTE)
@@ -711,23 +715,24 @@ repeat_fid2path:
                char *ptr;
 
                ori_gf = (struct getinfo_fid2path *)karg;
-               if (strlen(ori_gf->gf_path) +
-                   strlen(gf->gf_path) > ori_gf->gf_pathlen)
+               if (strlen(ori_gf->gf_u.gf_path) +
+                   strlen(gf->gf_u.gf_path) > ori_gf->gf_pathlen)
                        GOTO(out_fid2path, rc = -EOVERFLOW);
 
-               ptr = ori_gf->gf_path;
+               ptr = ori_gf->gf_u.gf_path;
 
-               memmove(ptr + strlen(gf->gf_path) + 1, ptr,
-                       strlen(ori_gf->gf_path));
+               memmove(ptr + strlen(gf->gf_u.gf_path) + 1, ptr,
+                       strlen(ori_gf->gf_u.gf_path));
 
-               strncpy(ptr, gf->gf_path, strlen(gf->gf_path));
-               ptr += strlen(gf->gf_path);
+               strncpy(ptr, gf->gf_u.gf_path,
+                       strlen(gf->gf_u.gf_path));
+               ptr += strlen(gf->gf_u.gf_path);
                *ptr = '/';
        }
 
        CDEBUG(D_INFO, "%s: get path %s "DFID" rec: "LPU64" ln: %u\n",
               tgt->ltd_exp->exp_obd->obd_name,
-              gf->gf_path, PFID(&gf->gf_fid), gf->gf_recno,
+              gf->gf_u.gf_path, PFID(&gf->gf_fid), gf->gf_recno,
               gf->gf_linkno);
 
        if (rc == 0)
@@ -756,7 +761,8 @@ repeat_fid2path:
        remote_gf->gf_fid = gf->gf_fid;
        remote_gf->gf_recno = -1;
        remote_gf->gf_linkno = -1;
-       memset(remote_gf->gf_path, 0, remote_gf->gf_pathlen);
+       memset(remote_gf->gf_u.gf_path, 0, remote_gf->gf_pathlen);
+       *remote_gf->gf_u.gf_root_fid = root_fid;
        gf = remote_gf;
        goto repeat_fid2path;
 
@@ -1492,18 +1498,20 @@ out_free_temp:
         return rc;
 }
 
-static int lmv_getstatus(struct obd_export *exp, struct lu_fid *fid)
+static int lmv_getstatus(struct obd_export *exp,
+                        const char *fileset,
+                        struct lu_fid *fid)
 {
         struct obd_device    *obd = exp->exp_obd;
         struct lmv_obd       *lmv = &obd->u.lmv;
         int                   rc;
         ENTRY;
 
-        rc = lmv_check_connect(obd);
-        if (rc)
-                RETURN(rc);
+       rc = lmv_check_connect(obd);
+       if (rc)
+               RETURN(rc);
 
-       rc = md_getstatus(lmv->tgts[0]->ltd_exp, fid);
+       rc = md_get_root(lmv->tgts[0]->ltd_exp, fileset, fid);
        RETURN(rc);
 }