-/* -*- 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.
*
* 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
*/
/*
- * 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, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Yury Umanets <umka@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_FID
-#ifdef __KERNEL__
-# include <libcfs/libcfs.h>
-# include <linux/module.h>
-#else /* __KERNEL__ */
-# include <liblustre.h>
-#endif
-
-#include <obd.h>
-#include <lu_object.h>
+#include <libcfs/libcfs.h>
+#include <linux/module.h>
#include <lustre_fid.h>
/**
* </pre>
*
* 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,
- (__u64)~0ULL
+const struct lu_seq_range LUSTRE_SEQ_SPACE_RANGE = {
+ .lsr_start = FID_SEQ_NORMAL,
+ .lsr_end = (__u64)~0ULL,
};
-EXPORT_SYMBOL(LUSTRE_SEQ_SPACE_RANGE);
/* Zero range, used for init and other purposes. */
-const struct lu_range LUSTRE_SEQ_ZERO_RANGE = {
- 0,
- 0
+const struct lu_seq_range LUSTRE_SEQ_ZERO_RANGE = {
+ .lsr_start = 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);
- 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);
- 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);
- dst->lr_start = cpu_to_be64(src->lr_start);
- dst->lr_end = cpu_to_be64(src->lr_end);
-}
-EXPORT_SYMBOL(range_cpu_to_be);
+/** 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);
-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);
- dst->lr_start = be64_to_cpu(src->lr_start);
- dst->lr_end = be64_to_cpu(src->lr_end);
-}
-EXPORT_SYMBOL(range_be_to_cpu);
+/** Special fid for "lost+found" special object in .lustre */
+const struct lu_fid LU_LPF_FID = { .f_seq = FID_SEQ_DOT_LUSTRE,
+ .f_oid = FID_OID_DOT_LUSTRE_LPF,
+ .f_ver = 0x0000000000000000 };
+EXPORT_SYMBOL(LU_LPF_FID);
-#endif
+/** "/lost+found" - special FID for ldiskfs backend, invislbe to client. */
+const struct lu_fid LU_BACKEND_LPF_FID = { .f_seq = FID_SEQ_LOCAL_FILE,
+ .f_oid = OSD_LPF_OID,
+ .f_ver = 0x0000000000000000 };
+EXPORT_SYMBOL(LU_BACKEND_LPF_FID);