/**
* Iterator's in-memory data structure for ZAPs
+ *
+ * ZFS does not store . and .. on a disk, instead they are
+ * generated up on request
+ * to follow this format we do the same
*/
struct osd_zap_it {
zap_cursor_t *ozi_zc;
struct osd_object *ozi_obj;
struct lustre_capa *ozi_capa;
- unsigned ozi_reset:1; /* 1 -- no need to advance */
+ unsigned ozi_reset:1; /* 1 -- no need to advance */
+ /* ozi_pos - position of the cursor:
+ * 0 - before any record
+ * 1 - "."
+ * 2 - ".."
+ * 3 - real records */
+ unsigned ozi_pos:3;
union {
char ozi_name[NAME_MAX + 1]; /* file name for dir */
__u64 ozi_key; /* binary key for index files */
struct luz_direntry oti_zde;
struct lquota_id_info oti_qi;
+ struct lu_seq_range oti_seq_range;
};
extern struct lu_context_key osd_key;
uint64_t oi_zapid;
};
+struct osd_seq {
+ uint64_t *os_compat_dirs;
+ int os_subdir_count; /* subdir count for each seq */
+ obd_seq os_seq; /* seq number */
+ cfs_list_t os_seq_list; /* list to seq_list */
+};
+
+struct osd_seq_list {
+ rwlock_t osl_seq_list_lock; /* lock for seq_list */
+ cfs_list_t osl_seq_list; /* list head for seq */
+ struct semaphore osl_seq_init_sem;
+};
+
#define OSD_OST_MAP_SIZE 32
/*
uint64_t od_root;
struct osd_oi **od_oi_table;
unsigned int od_oi_count;
- uint64_t od_ost_compat_dirs[OSD_OST_MAP_SIZE];
- uint64_t od_ost_compat_grp0;
+ uint64_t od_ost_compat_grp0;
+ struct osd_seq_list od_seq_list;
unsigned int od_rdonly:1,
od_xattr_in_sa:1,
return osd_invariant(osd_obj(l));
}
+static inline struct seq_server_site *osd_seq_site(struct osd_device *osd)
+{
+ return osd->od_dt_dev.dd_lu_dev.ld_site->ld_seq_site;
+}
+
+static inline char *osd_name(struct osd_device *osd)
+{
+ return osd->od_dt_dev.dd_lu_dev.ld_obd->obd_name;
+}
#ifdef LPROCFS
enum {