+static inline int
+osd_index_register(struct osd_device *osd, const struct lu_fid *fid,
+ __u32 keysize, __u32 recsize)
+{
+ return lustre_index_register(&osd->od_dt_dev, osd_name(osd),
+ &osd->od_index_backup_list, &osd->od_lock,
+ &osd->od_index_backup_stop,
+ fid, keysize, recsize);
+}
+
+static inline void
+osd_index_backup(const struct lu_env *env, struct osd_device *osd, bool backup)
+{
+ struct osd_thread_info *info = osd_oti_get(env);
+ struct lu_fid *fid = &info->oti_fid3;
+ struct osd_inode_id *id = &info->oti_id3;
+
+ lu_local_obj_fid(fid, INDEX_BACKUP_OID);
+ osd_id_gen(id, osd->od_index_backup_inode->i_ino,
+ osd->od_index_backup_inode->i_generation);
+ osd_add_oi_cache(info, osd, id, fid);
+
+ lustre_index_backup(env, &osd->od_dt_dev, osd_name(osd),
+ &osd->od_index_backup_list, &osd->od_lock,
+ &osd->od_index_backup_stop, backup);
+}
+
+#ifdef LDISKFS_HAS_INCOMPAT_FEATURE
+
+# ifdef LDISKFS_FEATURE_INCOMPAT_EXTENTS
+# define ldiskfs_has_feature_extents(sb) \
+ LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EXTENTS)
+# endif
+# ifdef LDISKFS_FEATURE_INCOMPAT_EA_INODE
+# define ldiskfs_has_feature_ea_inode(sb) \
+ LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE)
+# endif
+# ifdef LDISKFS_FEATURE_INCOMPAT_DIRDATA
+# define ldiskfs_has_feature_dirdata(sb) \
+ LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_DIRDATA)
+# endif
+# ifdef LDISKFS_FEATURE_COMPAT_HAS_JOURNAL
+# define ldiskfs_has_feature_journal(sb) \
+ LDISKFS_HAS_COMPAT_FEATURE(sb, LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)
+# endif
+# ifdef LDISKFS_FEATURE_RO_COMPAT_QUOTA
+# define ldiskfs_has_feature_quota(sb) \
+ LDISKFS_HAS_RO_COMPAT_FEATURE(sb, LDISKFS_FEATURE_RO_COMPAT_QUOTA)
+# endif
+# ifdef LDISKFS_FEATURE_RO_COMPAT_PROJECT
+# define ldiskfs_has_feature_project(sb) \
+ LDISKFS_HAS_RO_COMPAT_FEATURE(sb, LDISKFS_FEATURE_RO_COMPAT_PROJECT)
+# endif
+
+#endif
+
+int osd_trunc_lock(struct osd_object *obj, struct osd_thandle *oh,
+ bool shared);
+void osd_trunc_unlock_all(struct list_head *list);
+void osd_process_truncates(struct list_head *list);
+void osd_execute_truncate(struct osd_object *obj);
+
+#ifdef HAVE_BIO_ENDIO_USES_ONE_ARG
+#define osd_dio_complete_routine(bio, error) dio_complete_routine(bio)
+#else
+#define osd_dio_complete_routine(bio, error) dio_complete_routine(bio, error)
+#endif
+
+#ifndef HAVE___BI_CNT
+#define __bi_cnt bi_cnt
+#endif
+
+#ifndef HAVE_BI_OPF
+#define bi_opf bi_rw
+#endif
+
+#ifndef HAVE_CLEAN_BDEV_ALIASES
+#define clean_bdev_aliases(bdev, block, len) \
+ unmap_underlying_metadata((bdev), (block))
+#endif
+
+#ifndef HAVE_BI_STATUS
+#define bi_status bi_error
+#endif
+
+/*
+ * Maximum size of xattr attributes for FEATURE_INCOMPAT_EA_INODE 1Mb
+ * This limit is arbitrary, but is reasonable for the xattr API.
+ */
+#define LDISKFS_XATTR_MAX_LARGE_EA_SIZE (1024 * 1024)
+
+struct osd_bio_private {
+ struct osd_iobuf *obp_iobuf;
+ /* Start page index in the obp_iobuf for the bio */
+ int obp_start_page_idx;
+};
+
+#ifdef HAVE_BIO_INTEGRITY_PREP_FN
+int osd_get_integrity_profile(struct osd_device *osd,
+ integrity_gen_fn **generate_fn,
+ integrity_vrfy_fn **verify_fn);
+#else
+#define integrity_gen_fn void
+#define integrity_vrfy_fn int
+static inline int osd_get_integrity_profile(struct osd_device *osd,
+ integrity_gen_fn **generate_fn,
+ integrity_vrfy_fn **verify_fn)
+{
+ return 0;
+}
+
+static inline bool bio_integrity_prep_fn(struct bio *bio,
+ integrity_gen_fn *generate_fn,
+ integrity_vrfy_fn *verify_fn)
+{
+ return bio_integrity_prep(bio);
+}
+#endif
+