LU-1866 lfsck: enhance otable-based iteration

[fs/lustre-release.git] / lustre / fid / fid_lib.c

diff --git a/lustre/fid/fid_lib.c b/lustre/fid/fid_lib.c
index 694ee78..77285cc 100644 (file)
--- a/lustre/fid/fid_lib.c
+++ b/lustre/fid/fid_lib.c
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -26,8 +24,10 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -41,9 +41,6 @@
  * Author: Yury Umanets <umka@clusterfs.com>
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 #define DEBUG_SUBSYSTEM S_FID
 
 #ifdef __KERNEL__
@@ -70,73 +67,35 @@
  *
  * The first 0x400 sequences of normal FID are reserved for special purpose.
  * FID_SEQ_START + 1 is for local file id generation.
+ * FID_SEQ_START + 2 is for .lustre directory and its objects
  */
-const struct lu_range LUSTRE_SEQ_SPACE_RANGE = {
-        FID_SEQ_START + 0x400ULL,
+const struct lu_seq_range LUSTRE_SEQ_SPACE_RANGE = {
+        FID_SEQ_NORMAL,
         (__u64)~0ULL
 };
 EXPORT_SYMBOL(LUSTRE_SEQ_SPACE_RANGE);
 
 /* Zero range, used for init and other purposes. */
-const struct lu_range LUSTRE_SEQ_ZERO_RANGE = {
+const struct lu_seq_range LUSTRE_SEQ_ZERO_RANGE = {
         0,
         0
 };
 EXPORT_SYMBOL(LUSTRE_SEQ_ZERO_RANGE);
 
 /* Lustre Big Fs Lock fid. */
-const struct lu_fid LUSTRE_BFL_FID = { .f_seq = 0x0000000000000003,
-                                       .f_oid = 0x0000000000000001,
+const struct lu_fid LUSTRE_BFL_FID = { .f_seq = FID_SEQ_SPECIAL,
+                                       .f_oid = FID_OID_SPECIAL_BFL,
                                        .f_ver = 0x0000000000000000 };
 EXPORT_SYMBOL(LUSTRE_BFL_FID);
 
-void range_cpu_to_le(struct lu_range *dst, const struct lu_range *src)
-{
-        /* check that all fields are converted */
-        CLASSERT(sizeof(*src) ==
-                 sizeof(src->lr_start) +
-                 sizeof(src->lr_end) +
-                 sizeof(src->lr_padding));
-        dst->lr_start = cpu_to_le64(src->lr_start);
-        dst->lr_end = cpu_to_le64(src->lr_end);
-}
-EXPORT_SYMBOL(range_cpu_to_le);
-
-void range_le_to_cpu(struct lu_range *dst, const struct lu_range *src)
-{
-        /* check that all fields are converted */
-        CLASSERT(sizeof(*src) ==
-                 sizeof(src->lr_start) +
-                 sizeof(src->lr_end) +
-                 sizeof(src->lr_padding));
-        dst->lr_start = le64_to_cpu(src->lr_start);
-        dst->lr_end = le64_to_cpu(src->lr_end);
-}
-EXPORT_SYMBOL(range_le_to_cpu);
+/** Special fid for ".lustre" directory */
+const struct lu_fid LU_DOT_LUSTRE_FID = { .f_seq = FID_SEQ_DOT_LUSTRE,
+                                          .f_oid = FID_OID_DOT_LUSTRE,
+                                          .f_ver = 0x0000000000000000 };
+EXPORT_SYMBOL(LU_DOT_LUSTRE_FID);
 
-#ifdef __KERNEL__
-void range_cpu_to_be(struct lu_range *dst, const struct lu_range *src)
-{
-        /* check that all fields are converted */
-        CLASSERT(sizeof(*src) ==
-                 sizeof(src->lr_start) +
-                 sizeof(src->lr_end) +
-                 sizeof(src->lr_padding));
-        dst->lr_start = cpu_to_be64(src->lr_start);
-        dst->lr_end = cpu_to_be64(src->lr_end);
-}
-EXPORT_SYMBOL(range_cpu_to_be);
-
-void range_be_to_cpu(struct lu_range *dst, const struct lu_range *src)
-{
-        /* check that all fields are converted */
-        CLASSERT(sizeof(*src) ==
-                 sizeof(src->lr_start) +
-                 sizeof(src->lr_end) +
-                 sizeof(src->lr_padding));
-        dst->lr_start = be64_to_cpu(src->lr_start);
-        dst->lr_end = be64_to_cpu(src->lr_end);
-}
-EXPORT_SYMBOL(range_be_to_cpu);
-
-#endif
+/** Special fid for "fid" special object in .lustre */
+const struct lu_fid LU_OBF_FID = { .f_seq = FID_SEQ_DOT_LUSTRE,
+                                   .f_oid = FID_OID_DOT_LUSTRE_OBF,
+                                   .f_ver = 0x0000000000000000 };
+EXPORT_SYMBOL(LU_OBF_FID);