X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fosd-ldiskfs%2Fosd_oi.h;h=7e0c377fb480516eb5e56e717196ebb157ebe630;hb=7c0547a7dd732a9d127e427452a95e689a2c38de;hp=0cb61c804eecd19d5d8a8f0d7f135fb770db8a09;hpb=08aa217ce49aba1ded52e0f7adb8a607035123fd;p=fs%2Flustre-release.git

diff --git a/lustre/osd-ldiskfs/osd_oi.h b/lustre/osd-ldiskfs/osd_oi.h
index 0cb61c8..7e0c377 100644
--- a/lustre/osd-ldiskfs/osd_oi.h
+++ b/lustre/osd-ldiskfs/osd_oi.h
@@ -15,11 +15,7 @@
  *
  * 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) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2012, 2016, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -49,23 +45,21 @@
 #ifndef _OSD_OI_H
 #define _OSD_OI_H
 
-#if defined(__KERNEL__)
 
 /* struct rw_semaphore */
 #include <linux/rwsem.h>
+#include <linux/jbd2.h>
 #include <lustre_fid.h>
 #include <lu_object.h>
 #include <md_object.h>
 
-#define OSD_OI_FID_NR         (1UL << OSD_OI_FID_OID_BITS)
-#define OSD_OI_FID_NR_MAX     (1UL << OSD_OI_FID_OID_BITS_MAX)
-
-#define OSD_OII_NOGEN (0)
+#define OSD_OI_FID_OID_BITS	6
+#define OSD_OI_FID_NR		(1UL << OSD_OI_FID_OID_BITS)
+#define OSD_OII_NOGEN		(0)
 
 struct lu_fid;
 struct osd_thread_info;
 struct lu_site;
-struct thandle;
 
 struct dt_device;
 struct osd_device;
@@ -84,9 +78,12 @@ struct osd_inode_id {
 	__u32 oii_gen; /* inode generation */
 };
 
+/* OI cache entry */
 struct osd_idmap_cache {
 	struct lu_fid		oic_fid;
 	struct osd_inode_id	oic_lid;
+	struct osd_device	*oic_dev;
+	__u16			oic_remote:1;	/* FID isn't local */
 };
 
 static inline void osd_id_pack(struct osd_inode_id *tgt,
@@ -125,19 +122,37 @@ static inline int osd_id_eq(const struct osd_inode_id *id0,
 		id1->oii_gen == OSD_OII_NOGEN);
 }
 
+static inline int osd_id_eq_strict(const struct osd_inode_id *id0,
+				   const struct osd_inode_id *id1)
+{
+	return (id0->oii_ino == id1->oii_ino && id0->oii_gen == id1->oii_gen);
+}
+
+enum oi_check_flags {
+	OI_CHECK_FLD	= 0x00000001,
+	OI_KNOWN_ON_OST	= 0x00000002,
+	OI_LOCKED	= 0x00000004,
+};
+
+extern unsigned int osd_oi_count;
+
 int osd_oi_mod_init(void);
-int osd_oi_init(struct osd_thread_info *info, struct osd_device *osd);
+int osd_oi_init(struct osd_thread_info *info, struct osd_device *osd,
+		bool restored);
 void osd_oi_fini(struct osd_thread_info *info, struct osd_device *osd);
-int __osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
-		    const struct lu_fid *fid, struct osd_inode_id *id);
 int  osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
-		   const struct lu_fid *fid, struct osd_inode_id *id);
+		   const struct lu_fid *fid, struct osd_inode_id *id,
+		   enum oi_check_flags flags);
 int  osd_oi_insert(struct osd_thread_info *info, struct osd_device *osd,
 		   const struct lu_fid *fid, const struct osd_inode_id *id,
-		   struct thandle *th);
+		   handle_t *th, enum oi_check_flags flags, bool *exist);
 int  osd_oi_delete(struct osd_thread_info *info,
 		   struct osd_device *osd, const struct lu_fid *fid,
-		   struct thandle *th);
+		   handle_t *th, enum oi_check_flags flags);
+int  osd_oi_update(struct osd_thread_info *info, struct osd_device *osd,
+		   const struct lu_fid *fid, const struct osd_inode_id *id,
+		   handle_t *th, enum oi_check_flags flags);
 
-#endif /* __KERNEL__ */
+int fid_is_on_ost(struct osd_thread_info *info, struct osd_device *osd,
+		  const struct lu_fid *fid, enum oi_check_flags flags);
 #endif /* _OSD_OI_H */