Whamcloud - gitweb
LU-11625 ofd: handle upgraded filter_fid properly
[fs/lustre-release.git] / lustre / utils / ll_decode_filter_fid.c
index 36c8022..cc648ff 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -27,7 +23,7 @@
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, Whamcloud, Inc.
+ * Copyright (c) 2011, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/xattr.h>
-#include <liblustre.h>
-#include <lustre/lustre_user.h>
+#include <asm/byteorder.h>
+#include <linux/lustre/lustre_user.h>
+
+#define PFID_STRIPE_IDX_BITS   16
+#define PFID_STRIPE_COUNT_MASK ((1 << PFID_STRIPE_IDX_BITS) - 1)
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+static void lustre_swab_lu_fid(struct lu_fid *fid)
+{
+       __swab64s(&fid->f_seq);
+       __swab32s(&fid->f_oid);
+       __swab32s(&fid->f_ver);
+}
+
+static void lustre_loa_swab(struct lustre_ost_attrs *loa)
+{
+       struct lustre_mdt_attrs *lma = &loa->loa_lma;
+
+       __swab32s(&lma->lma_compat);
+       __swab32s(&lma->lma_incompat);
+       lustre_swab_lu_fid(&lma->lma_self_fid);
+       if (lma->lma_compat & LMAC_STRIPE_INFO) {
+               lustre_swab_lu_fid(&loa->loa_parent_fid);
+               __swab32s(&loa->loa_stripe_size);
+       }
+       if (lma->lma_compat & LMAC_COMP_INFO) {
+               __swab32s(&loa->loa_comp_id);
+               __swab64s(&loa->loa_comp_start);
+               __swab64s(&loa->loa_comp_end);
+       }
+};
+#else
+static void lustre_loa_swab(struct lustre_ost_attrs *loa)
+{
+}
+#endif
 
 int main(int argc, char *argv[])
 {
@@ -57,26 +87,114 @@ int main(int argc, char *argv[])
        for (i = 1; i < argc; i++) {
                char buf[1024]; /* allow xattr that may be larger */
                struct filter_fid *ff = (void *)buf;
+               static int printed;
                int size;
 
-               size = getxattr(argv[i], "trusted.fid", buf, sizeof(buf));
+               size = getxattr(argv[i], "trusted.fid", buf,
+                               sizeof(struct filter_fid));
                if (size < 0) {
+                       if (errno == ENODATA) {
+                               struct lustre_ost_attrs *loa = (void *)buf;
+                               int rc1;
+
+                               rc1 = getxattr(argv[i], "trusted.lma", loa,
+                                              sizeof(*loa));
+                               if (rc1 < sizeof(*loa)) {
+                                       fprintf(stderr,
+                                               "%s: error reading fid: %s\n",
+                                               argv[i], strerror(ENODATA));
+                                       if (!rc)
+                                               rc = size;
+                                       continue;
+                               }
+
+                               lustre_loa_swab(loa);
+                               if (!(loa->loa_lma.lma_compat &
+                                     LMAC_STRIPE_INFO)) {
+                                       fprintf(stderr,
+                                               "%s: not stripe info: %s\n",
+                                               argv[i], strerror(ENODATA));
+                                       if (!rc)
+                                               rc = size;
+                                       continue;
+                               }
+
+                               printf("%s: parent="DFID" stripe=%u "
+                                      "stripe_size=%u stripe_count=%u",
+                                      argv[i], loa->loa_parent_fid.f_seq,
+                                      loa->loa_parent_fid.f_oid, 0, /* ver */
+                                      loa->loa_parent_fid.f_stripe_idx &
+                                                       PFID_STRIPE_COUNT_MASK,
+                                      loa->loa_stripe_size,
+                                      loa->loa_parent_fid.f_stripe_idx >>
+                                                       PFID_STRIPE_IDX_BITS);
+                               if (loa->loa_comp_id != 0)
+                                       printf(" component_id=%u "
+                                              "component_start=%llu "
+                                              "component_end=%llu",
+                                              loa->loa_comp_id,
+                                              loa->loa_comp_start,
+                                              loa->loa_comp_end);
+                               printf("\n");
+                               continue;
+                       }
+
                        fprintf(stderr, "%s: error reading fid: %s\n",
                                argv[i], strerror(errno));
-                       if (rc == 0)
+                       if (!rc)
                                rc = size;
-                        continue;
-                }
-                if (size > sizeof(*ff))
-                       fprintf(stderr, "%s: warning: fid larger than expected "
-                                "(%d bytes), recompile?\n", argv[i], size);
-
-                printf("%s: objid="LPU64" seq="LPU64" parent="DFID"\n",
-                       argv[i], le64_to_cpu(ff->ff_objid),
-                       le64_to_cpu(ff->ff_seq),
-                       le64_to_cpu(ff->ff_parent.f_seq),
-                       le32_to_cpu(ff->ff_parent.f_oid),
-                       le32_to_cpu(ff->ff_parent.f_ver));
+                       continue;
+               }
+
+               if (size != sizeof(struct filter_fid) &&
+                   size != sizeof(struct filter_fid_18_23) &&
+                   size != sizeof(struct filter_fid_24_29) &&
+                   size != sizeof(struct filter_fid_210) && !printed) {
+                       fprintf(stderr,
+                               "%s: warning: ffid size is unexpected (%d bytes), recompile?\n",
+                               argv[i], size);
+                       printed = 1;
+
+                       if (size < sizeof(struct filter_fid_24_29))
+                               continue;
+               }
+
+               printf("%s: ", argv[i]);
+               if (size == sizeof(struct filter_fid_18_23)) {
+                       struct filter_fid_18_23 *ffo = (void *)buf;
+
+                       printf("objid=%llu seq=%llu ",
+                              (unsigned long long)__le64_to_cpu(ffo->ff_objid),
+                              (unsigned long long)__le64_to_cpu(ffo->ff_seq));
+               }
+
+               printf("parent="DFID" stripe=%u",
+                      (unsigned long long)__le64_to_cpu(ff->ff_parent.f_seq),
+                      __le32_to_cpu(ff->ff_parent.f_oid), 0, /* ver */
+                      /* this is stripe_nr actually */
+                      __le32_to_cpu(ff->ff_parent.f_stripe_idx));
+
+               if (size >= sizeof(struct filter_fid_210)) {
+                       struct ost_layout *ol = &ff->ff_layout;
+
+                       /* new filter_fid, support PFL */
+                       printf(" stripe_size=%u stripe_count=%u",
+                              __le32_to_cpu(ol->ol_stripe_size),
+                              __le32_to_cpu(ol->ol_stripe_count));
+                       if (ol->ol_comp_id != 0)
+                               printf(" component_id=%u "
+                                      "component_start=%llu "
+                                      "component_end=%llu",
+                                      __le32_to_cpu(ol->ol_comp_id),
+                                      __le64_to_cpu(ol->ol_comp_start),
+                                      __le64_to_cpu(ol->ol_comp_end));
+               }
+               if (size >= sizeof(struct filter_fid))
+                       printf(" layout_version=%u range=%u",
+                              __le32_to_cpu(ff->ff_layout_version),
+                              __le32_to_cpu(ff->ff_range));
+
+               printf("\n");
        }
 
        return rc;