#define LMVEA_DELETE_VALUES(count, offset) \
((count) == 0 && (offset) == (typeof(offset))(-1))
-#define LOV_OFFSET_DEFAULT ((__u16)-1)
-
-struct lod_qos_rr {
- spinlock_t lqr_alloc; /* protect allocation index */
- __u32 lqr_start_idx; /* start index of new inode */
- __u32 lqr_offset_idx;/* aliasing for start_idx */
- int lqr_start_count;/* reseed counter */
- struct ost_pool lqr_pool; /* round-robin optimized list */
- unsigned long lqr_dirty:1; /* recalc round-robin list */
-};
-
struct pool_desc {
char pool_name[LOV_MAXPOOLNAME + 1];
struct ost_pool pool_obds; /* pool members */
atomic_t pool_refcount;
- struct lod_qos_rr pool_rr;
+ struct lu_qos_rr pool_rr;
struct hlist_node pool_hash; /* access by poolname */
struct list_head pool_list;
struct proc_dir_entry *pool_proc_entry;
#define pool_tgt_array(p) ((p)->pool_obds.op_array)
#define pool_tgt_rw_sem(p) ((p)->pool_obds.op_rw_sem)
-struct lod_qos {
- struct list_head lq_oss_list;
- struct rw_semaphore lq_rw_sem;
- __u32 lq_active_oss_count;
- unsigned int lq_prio_free; /* priority for free space */
- unsigned int lq_threshold_rr;/* priority for rr */
- struct lod_qos_rr lq_rr; /* round robin qos data */
- bool lq_dirty:1, /* recalc qos data */
- lq_same_space:1,/* the ost's all have approx.
- the same space avail */
- lq_reset:1; /* zero current penalties */
-};
-
-struct lod_qos_oss {
- struct obd_uuid lqo_uuid; /* ptlrpc's c_remote_uuid */
- struct list_head lqo_oss_list; /* link to lov_qos */
- __u64 lqo_bavail; /* total bytes avail on OSS */
- __u64 lqo_penalty; /* current penalty */
- __u64 lqo_penalty_per_obj; /* penalty decrease
- every obj*/
- time_t lqo_used; /* last used time, seconds */
- __u32 lqo_ost_count; /* number of osts on this oss */
-};
-
-struct ltd_qos {
- struct lod_qos_oss *ltq_oss; /* oss info */
- __u64 ltq_penalty; /* current penalty */
- __u64 ltq_penalty_per_obj; /* penalty decrease
- every obj*/
- __u64 ltq_weight; /* net weighting */
- time_t ltq_used; /* last used time, seconds */
- bool ltq_usable:1; /* usable for striping */
-};
-
-struct lod_tgt_desc {
- struct dt_device *ltd_tgt;
- struct list_head ltd_kill;
- struct obd_export *ltd_exp;
- struct obd_uuid ltd_uuid;
- __u32 ltd_gen;
- __u32 ltd_index;
- struct ltd_qos ltd_qos; /* qos info per target */
- struct obd_statfs ltd_statfs;
- struct ptlrpc_thread *ltd_recovery_thread;
- unsigned long ltd_active:1,/* is this target up for requests */
- ltd_activate:1,/* should target be activated */
- ltd_reap:1, /* should this target be deleted */
- ltd_got_update_log:1, /* Already got update log */
- ltd_connecting:1; /* target is connecting */
-};
+#define lod_tgt_desc lu_tgt_desc
#define TGT_PTRS 256 /* number of pointers at 1st level */
#define TGT_PTRS_PER_BLOCK 256 /* number of pointers at 2nd level */
struct rw_semaphore ltd_rw_sem;
};
+struct lod_avoid_guide {
+ /* ids of OSSs avoid guidance */
+ __u32 *lag_oss_avoid_array;
+ /* number of filled array items */
+ unsigned int lag_oaa_count;
+ /* number of allocated array items */
+ unsigned int lag_oaa_size;
+ /* bitmap of OSTs avoid guidance */
+ struct cfs_bitmap *lag_ost_avoid_bitmap;
+ /* how many OSTs are available for alloc */
+ __u32 lag_ost_avail;
+};
+
struct lod_device {
struct dt_device lod_dt_dev;
struct obd_export *lod_child_exp;
* structure should be moved to lod_tgt_descs as well.
*/
/* QoS info per LOD */
- struct lod_qos lod_qos; /* qos info per lod */
+ struct lu_qos lod_qos; /* qos info per lod */
/* OST pool data */
struct ost_pool lod_pool_info; /* all OSTs in a packed array */
#define lod_ostnr lod_ost_descs.ltd_tgtnr
#define lod_osts_size lod_ost_descs.ltd_tgts_size
#define ltd_ost ltd_tgt
-#define lod_ost_desc lod_tgt_desc
+#define lod_ost_desc lu_tgt_desc
#define lod_mdts lod_mdt_descs.ltd_tgts
#define lod_mdt_bitmap lod_mdt_descs.ltd_tgt_bitmap
#define lod_remote_mdt_count lod_mdt_descs.ltd_tgtnr
#define lod_mdts_size lod_mdt_descs.ltd_tgts_size
#define ltd_mdt ltd_tgt
-#define lod_mdt_desc lod_tgt_desc
+#define lod_mdt_desc lu_tgt_desc
struct lod_layout_component {
struct lu_extent llc_extent;
__u16 llc_stripe_offset;
__u16 llc_stripe_count;
__u16 llc_stripes_allocated;
+ __u64 llc_timestamp; /* snapshot time */
char *llc_pool;
/* ost list specified with LOV_USER_MAGIC_SPECIFIC lum */
struct ost_pool llc_ostlist;
struct dt_object **llc_stripe;
+ __u32 *llc_ost_indices;
};
struct lod_default_striping {
struct lod_object {
/* common fields for both files and directories */
struct dt_object ldo_obj;
+ struct mutex ldo_layout_mutex;
union {
/* file stripe (LOV) */
struct {
struct lod_mirror_entry *ldo_mirrors;
__u32 ldo_is_composite:1,
ldo_flr_state:2,
- ldo_comp_cached:1;
+ ldo_comp_cached:1,
+ ldo_is_foreign:1;
};
/* directory stripe (LMV) */
struct {
__u16 ldo_dir_stripes_allocated;
__u32 ldo_dir_stripe_offset;
__u32 ldo_dir_hash_type;
+ __u32 ldo_dir_migrate_offset;
+ __u32 ldo_dir_migrate_hash;
/* Is a slave stripe of striped directory? */
__u32 ldo_dir_slave_stripe:1,
ldo_dir_striped:1,
/* the stripe has been loaded */
- ldo_dir_stripe_loaded:1;
+ ldo_dir_stripe_loaded:1,
+ /* foreign directory */
+ ldo_dir_is_foreign;
/*
- * default striping is not cached, so this field is
- * invalid after create, make sure it's used by
+ * This default LMV is parent default LMV, which will be
+ * used in child creation, and it's not cached, so this
+ * field is invalid after create, make sure it's used by
* lod_dir_striping_create_internal() only.
*/
struct lod_default_striping *ldo_def_striping;
};
};
- /* file stripe (LOV) */
- struct lod_layout_component *ldo_comp_entries;
- /* slave stripes of striped directory (LMV) */
- struct dt_object **ldo_stripe;
+ union {
+ struct {
+ /* foreign/raw format LOV */
+ char *ldo_foreign_lov;
+ size_t ldo_foreign_lov_size;
+ };
+ struct {
+ /* foreign/raw format LMV */
+ char *ldo_foreign_lmv;
+ size_t ldo_foreign_lmv_size;
+ };
+ struct {
+ /* file stripe (LOV) */
+ struct lod_layout_component *ldo_comp_entries;
+ /* slave stripes of striped directory (LMV) */
+ struct dt_object **ldo_stripe;
+ };
+ };
};
+#define lod_foreach_mirror_comp(comp, lo, mirror_idx) \
+for (comp = &lo->ldo_comp_entries[lo->ldo_mirrors[mirror_idx].lme_start]; \
+ comp <= &lo->ldo_comp_entries[lo->ldo_mirrors[mirror_idx].lme_end]; \
+ comp++)
+
+static inline bool lod_is_flr(const struct lod_object *lo)
+{
+ if (!lo->ldo_is_composite)
+ return false;
+
+ return (lo->ldo_flr_state & LCM_FL_FLR_MASK) != LCM_FL_NONE;
+}
+
static inline int lod_set_pool(char **pool, const char *new_pool)
{
int len;
struct lu_attr lti_attr;
struct lod_it lti_it;
struct ldlm_res_id lti_res_id;
- struct ost_pool lti_inuse_osts;
/* used to hold lu_dirent, sizeof(struct lu_dirent) + NAME_MAX */
char lti_key[sizeof(struct lu_dirent) +
NAME_MAX];
struct lustre_cfg lti_lustre_cfg;
/* used to store parent default striping in create */
struct lod_default_striping lti_def_striping;
- struct filter_fid lti_ff;
+ struct filter_fid lti_ff;
__u32 *lti_comp_idx;
size_t lti_comp_size;
size_t lti_count;
struct lu_attr lti_layout_attr;
+ /* object allocation avoid guide info */
+ struct lod_avoid_guide lti_avoid;
};
extern const struct lu_device_operations lod_lu_ops;
if (S_ISDIR(dt->do_lu.lo_header->loh_attr))
return lo->ldo_dir_stripe_count != 0;
+ if (lo->ldo_is_foreign)
+ return false;
+
for (i = 0; i < lo->ldo_comp_cnt; i++) {
if (lo->ldo_comp_entries[i].llc_stripe == NULL)
continue;
return lname;
}
+static inline struct lod_default_striping *
+lod_lds_buf_get(const struct lu_env *env)
+{
+ struct lod_thread_info *info = lod_env_info(env);
+
+ info->lti_def_striping.lds_def_striping_set = 0;
+ info->lti_def_striping.lds_dir_def_striping_set = 0;
+ return &info->lti_def_striping;
+}
+
static inline void lod_layout_get_pool(struct lod_layout_component *entries,
int count, char *pool, int len)
{
unsigned gen, bool for_ost);
int lod_fini_tgt(const struct lu_env *env, struct lod_device *lod,
struct lod_tgt_descs *ltd, bool for_ost);
-int lod_load_striping_locked(const struct lu_env *env, struct lod_object *lo);
-int lod_load_striping(const struct lu_env *env, struct lod_object *lo);
+int lod_striping_load(const struct lu_env *env, struct lod_object *lo);
+int lod_striping_reload(const struct lu_env *env, struct lod_object *lo,
+ const struct lu_buf *buf);
int lod_get_ea(const struct lu_env *env, struct lod_object *lo,
const char *name);
typedef bool (*lod_obj_comp_skip_cb_t)(const struct lu_env *env,
struct lod_object *lo, int comp_idx,
struct lod_obj_stripe_cb_data *data);
+typedef int (*lod_obj_comp_cb_t)(const struct lu_env *env,
+ struct lod_object *lo, int comp_idx,
+ struct lod_obj_stripe_cb_data *data);
struct lod_obj_stripe_cb_data {
union {
const struct lu_attr *locd_attr;
- struct ost_pool *locd_inuse;
+ int locd_ost_index;
+ const struct lu_buf *locd_buf;
};
lod_obj_stripe_cb_t locd_stripe_cb;
lod_obj_comp_skip_cb_t locd_comp_skip_cb;
+ lod_obj_comp_cb_t locd_comp_cb;
bool locd_declare;
};
/* lod_qos.c */
-int lod_prepare_inuse(const struct lu_env *env, struct lod_object *lo);
int lod_prepare_create(const struct lu_env *env, struct lod_object *lo,
struct lu_attr *attr, const struct lu_buf *buf,
struct thandle *th);
-int qos_add_tgt(struct lod_device*, struct lod_tgt_desc *);
-int qos_del_tgt(struct lod_device *, struct lod_tgt_desc *);
-void lod_qos_rr_init(struct lod_qos_rr *lqr);
int lod_use_defined_striping(const struct lu_env *, struct lod_object *,
const struct lu_buf *);
-int lod_obj_stripe_set_inuse_cb(const struct lu_env *env, struct lod_object *lo,
- struct dt_object *dt, struct thandle *th,
- int comp_idx, int stripe_idx,
- struct lod_obj_stripe_cb_data *data);
int lod_qos_parse_config(const struct lu_env *env, struct lod_object *lo,
const struct lu_buf *buf);
int lod_qos_prep_create(const struct lu_env *env, struct lod_object *lo,
struct lu_attr *attr, struct thandle *th,
- int comp_idx, struct ost_pool *inuse);
+ int comp_idx);
__u16 lod_comp_entry_stripe_count(struct lod_object *lo,
struct lod_layout_component *entry,
bool is_dir);
__u16 lod_get_stripe_count(struct lod_device *lod, struct lod_object *lo,
- __u16 stripe_count);
+ __u16 stripe_count, bool overstriping);
void lod_qos_statfs_update(const struct lu_env *env, struct lod_device *lod);
+int lod_statfs_and_check(const struct lu_env *env, struct lod_device *d,
+ int index, struct obd_statfs *sfs,
+ struct obd_statfs_info *info);
/* lproc_lod.c */
int lod_procfs_init(struct lod_device *lod);
int lod_striped_create(const struct lu_env *env, struct dt_object *dt,
struct lu_attr *attr, struct dt_object_format *dof,
struct thandle *th);
-void lod_object_free_striping(const struct lu_env *env, struct lod_object *lo);
+int lod_alloc_foreign_lov(struct lod_object *lo, size_t size);
+void lod_free_foreign_lov(struct lod_object *lo);
+void lod_striping_free_nolock(const struct lu_env *env, struct lod_object *lo);
+void lod_striping_free(const struct lu_env *env, struct lod_object *lo);
int lod_obj_for_each_stripe(const struct lu_env *env, struct lod_object *lo,
struct thandle *th,
struct lod_obj_stripe_cb_data *data);
+int lod_comp_copy_ost_lists(struct lod_layout_component *lod_comp,
+ struct lov_user_md_v3 *v3);
/* lod_sub_object.c */
struct thandle *lod_sub_get_thandle(const struct lu_env *env,
struct thandle *th);
int lod_sub_insert(const struct lu_env *env, struct dt_object *dt,
const struct dt_rec *rec, const struct dt_key *key,
- struct thandle *th, int ign);
+ struct thandle *th);
int lod_sub_declare_delete(const struct lu_env *env, struct dt_object *dt,
const struct dt_key *key, struct thandle *th);
int lod_sub_delete(const struct lu_env *env, struct dt_object *dt,
struct thandle *th);
ssize_t lod_sub_write(const struct lu_env *env, struct dt_object *dt,
const struct lu_buf *buf, loff_t *pos,
- struct thandle *th, int rq);
+ struct thandle *th);
int lod_sub_declare_punch(const struct lu_env *env, struct dt_object *dt,
__u64 start, __u64 end, struct thandle *th);
int lod_sub_punch(const struct lu_env *env, struct dt_object *dt,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff