/* file data for open files on MDS */
struct mdt_file_data {
/** portals handle must be first */
- struct portals_handle mfd_handle;
+ struct portals_handle mfd_open_handle;
/** open mode provided by client */
- __u64 mfd_mode;
+ u64 mfd_open_flags;
/** protected by med_open_lock */
struct list_head mfd_list;
/** xid of the open request */
__u64 mfd_xid;
/** old handle in replay case */
- struct lustre_handle mfd_old_handle;
+ struct lustre_handle mfd_open_handle_old;
/** point to opened object */
struct mdt_object *mfd_object;
};
#define MDT_FL_CFGLOG 0
#define MDT_FL_SYNCED 1
+/* possible values for mo_dom_lock */
+enum {
+ NO_DOM_LOCK_ON_OPEN = 0,
+ TRYLOCK_DOM_ON_OPEN = 1,
+ ALWAYS_DOM_LOCK_ON_OPEN = 2,
+ NUM_DOM_LOCK_ON_OPEN_MODES
+};
+
+struct mdt_statfs_cache {
+ struct obd_statfs msf_osfs;
+ __u64 msf_age;
+};
+
struct mdt_device {
/* super-class */
struct lu_device mdt_lu_dev;
struct md_device *mdt_child;
struct dt_device *mdt_bottom;
struct obd_export *mdt_bottom_exp;
+ struct local_oid_storage *mdt_los;
/** target device */
struct lu_target mdt_lut;
/*
mo_acl:1,
mo_cos:1,
mo_evict_tgt_nids:1,
- mo_dom_lock:1;
+ mo_dom_read_open:1,
+ mo_migrate_hsm_allowed:1;
+ unsigned int mo_dom_lock;
} mdt_opts;
/* mdt state flags */
unsigned long mdt_state;
unsigned int mdt_capa_conf:1,
/* Enable remote dir on non-MDT0 */
mdt_enable_remote_dir:1,
+ mdt_enable_striped_dir:1,
+ mdt_enable_dir_migration:1,
mdt_skip_lfsck:1;
+ /* user with gid can create remote/striped
+ * dir, and set default dir stripe */
gid_t mdt_enable_remote_dir_gid;
/* lock for osfs and md_root */
spinlock_t mdt_lock;
+ /* statfs optimization: we cache a bit */
+ struct mdt_statfs_cache mdt_sum_osfs;
+ struct mdt_statfs_cache mdt_osfs;
+
/* root squash */
struct root_squash_info mdt_squash;
* attribute cache */
int mot_write_count;
spinlock_t mot_write_lock;
+ /* Lock to protect object's SOM update. */
+ struct mutex mot_som_mutex;
/* Lock to protect create_data */
struct mutex mot_lov_mutex;
/* lock to protect read/write stages for Data-on-MDT files */
struct mdt_reint_record {
enum mds_reint_op rr_opcode;
- const struct lustre_handle *rr_handle;
+ const struct lustre_handle *rr_open_handle;
+ const struct lustre_handle *rr_lease_handle;
const struct lu_fid *rr_fid1;
const struct lu_fid *rr_fid2;
struct lu_name rr_name;
void *rr_eadata;
int rr_eadatalen;
__u32 rr_flags;
+ __u16 rr_mirror_id;
};
enum mdt_reint_flag {
/*
* Object attributes.
*/
- struct md_attr mti_attr;
+ struct md_attr mti_attr;
+ struct md_attr mti_attr2; /* mdt_lvb.c */
/*
* Body for "habeo corpus" operations.
*/
struct {
struct md_attr attr;
} hsm;
- } mti_u;
+ struct {
+ struct md_attr attr;
+ } som;
+ } mti_u;
- struct lustre_handle mti_close_handle;
- loff_t mti_off;
- struct lu_buf mti_buf;
- struct lu_buf mti_big_buf;
+ struct lustre_handle mti_open_handle;
+ loff_t mti_off;
+ struct lu_buf mti_buf;
+ struct lu_buf mti_big_buf;
/* Ops object filename */
struct lu_name mti_name;
+ char mti_filename[NAME_MAX + 1];
/* per-thread values, can be re-used, may be vmalloc'd */
void *mti_big_lmm;
void *mti_big_acl;
int mti_big_aclsize;
/* should be enough to fit lustre_mdt_attrs */
char mti_xattr_buf[128];
- struct ldlm_enqueue_info mti_einfo;
+ struct ldlm_enqueue_info mti_einfo[2];
+ /* einfo used by mdt_remote_object_lock_try() */
+ struct ldlm_enqueue_info mti_remote_einfo;
struct tg_reply_data *mti_reply_data;
- struct lustre_som_attrs mti_som;
-
/* FLR: layout change API */
struct md_layout_change mti_layout;
};
le16_to_cpu(lcm->lcm_mirror_count) > 0;
}
+static inline bool mdt_is_sum_statfs_client(struct obd_export *exp)
+{
+ return exp_connect_flags(exp) & OBD_CONNECT_FLAGS2 &&
+ exp_connect_flags2(exp) & OBD_CONNECT2_SUM_STATFS;
+}
+
__u64 mdt_get_disposition(struct ldlm_reply *rep, __u64 op_flag);
void mdt_set_disposition(struct mdt_thread_info *info,
struct ldlm_reply *rep, __u64 op_flag);
struct mdt_object *o, const struct lu_fid *fid,
struct lustre_handle *lh,
enum ldlm_mode mode, __u64 ibits, bool cache);
+int mdt_reint_striped_lock(struct mdt_thread_info *info,
+ struct mdt_object *o,
+ struct mdt_lock_handle *lh,
+ __u64 ibits,
+ struct ldlm_enqueue_info *einfo,
+ bool cos_incompat);
+void mdt_reint_striped_unlock(struct mdt_thread_info *info,
+ struct mdt_object *o,
+ struct mdt_lock_handle *lh,
+ struct ldlm_enqueue_info *einfo, int decref);
enum mdt_name_flags {
MNF_FIX_ANON = 1,
void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
const struct lu_attr *attr, const struct lu_fid *fid);
int mdt_pack_size2body(struct mdt_thread_info *info,
- const struct lu_fid *fid, bool dom_lock);
+ const struct lu_fid *fid, struct lustre_handle *lh);
int mdt_getxattr(struct mdt_thread_info *info);
int mdt_reint_setxattr(struct mdt_thread_info *info,
struct mdt_lock_handle *lh);
void *client_nid);
int mdt_lock_new_child(struct mdt_thread_info *info,
- struct mdt_object *o,
- struct mdt_lock_handle *child_lockh);
-
-void mdt_mfd_set_mode(struct mdt_file_data *mfd,
- __u64 mode);
-
-int mdt_reint_open(struct mdt_thread_info *info,
- struct mdt_lock_handle *lhc);
-
-struct mdt_file_data *mdt_handle2mfd(struct mdt_export_data *med,
- const struct lustre_handle *handle,
- bool is_replay);
+ struct mdt_object *o,
+ struct mdt_lock_handle *child_lockh);
+void mdt_mfd_set_mode(struct mdt_file_data *mfd, u64 open_flags);
+int mdt_reint_open(struct mdt_thread_info *info, struct mdt_lock_handle *lhc);
+struct mdt_file_data *mdt_open_handle2mfd(struct mdt_export_data *med,
+ const struct lustre_handle *open_handle,
+ bool is_replay);
+int mdt_revoke_remote_lookup_lock(struct mdt_thread_info *info,
+ struct mdt_object *pobj,
+ struct mdt_object *obj);
int mdt_get_info(struct tgt_session_info *tsi);
int mdt_attr_get_complex(struct mdt_thread_info *info,
const char *name);
int mdt_stripe_get(struct mdt_thread_info *info, struct mdt_object *o,
struct md_attr *ma, const char *name);
+int mdt_attr_get_pfid(struct mdt_thread_info *info, struct mdt_object *o,
+ struct lu_fid *pfid);
int mdt_write_get(struct mdt_object *o);
void mdt_write_put(struct mdt_object *o);
int mdt_write_read(struct mdt_object *o);
void mdt_reconstruct_open(struct mdt_thread_info *, struct mdt_lock_handle *);
int mdt_layout_change(struct mdt_thread_info *info, struct mdt_object *obj,
struct md_layout_change *spec);
+int mdt_device_sync(const struct lu_env *env, struct mdt_device *mdt);
struct lu_buf *mdt_buf(const struct lu_env *env, void *area, ssize_t len);
const struct lu_buf *mdt_buf_const(const struct lu_env *env,
}
/* Issues dlm lock on passed @ns, @f stores it lock handle into @lh. */
-static inline int mdt_fid_lock(struct ldlm_namespace *ns,
+static inline int mdt_fid_lock(const struct lu_env *env,
+ struct ldlm_namespace *ns,
struct lustre_handle *lh, enum ldlm_mode mode,
union ldlm_policy_data *policy,
const struct ldlm_res_id *res_id,
LASSERT(ns != NULL);
LASSERT(lh != NULL);
- rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy,
+ rc = ldlm_cli_enqueue_local(env, ns, res_id, LDLM_IBITS, policy,
mode, &flags, mdt_blocking_ast,
ldlm_completion_ast,
glimpse ? mdt_dom_glimpse_ast : NULL,
/* mdt_som.c */
int mdt_set_som(struct mdt_thread_info *info, struct mdt_object *obj,
- struct lu_attr *attr);
+ enum lustre_som_flags flag, __u64 size, __u64 blocks);
int mdt_get_som(struct mdt_thread_info *info, struct mdt_object *obj,
- struct lu_attr *attr);
+ struct md_attr *ma);
+int mdt_lsom_downgrade(struct mdt_thread_info *info, struct mdt_object *obj);
+int mdt_lsom_update(struct mdt_thread_info *info, struct mdt_object *obj,
+ bool truncate);
/* mdt_lvb.c */
extern struct ldlm_valblock_ops mdt_lvbo;
int mdt_dom_lvb_is_valid(struct ldlm_resource *res);
-int mdt_dom_lvbo_update(struct ldlm_resource *res, struct ldlm_lock *lock,
- struct ptlrpc_request *req, bool increase_only);
+int mdt_dom_lvbo_update(const struct lu_env *env, struct ldlm_resource *res,
+ struct ldlm_lock *lock, struct ptlrpc_request *req,
+ bool increase_only);
void mdt_enable_cos(struct mdt_device *dev, bool enable);
int mdt_cos_is_enabled(struct mdt_device *);
/* lprocfs stuff */
-enum {
- LPROC_MDT_OPEN = 0,
+enum mdt_stat_idx {
+ LPROC_MDT_OPEN,
LPROC_MDT_CLOSE,
LPROC_MDT_MKNOD,
LPROC_MDT_LINK,
LPROC_MDT_IO_PUNCH,
LPROC_MDT_LAST,
};
+
void mdt_counter_incr(struct ptlrpc_request *req, int opcode);
void mdt_stats_counter_init(struct lprocfs_stats *stats);
int mdt_procfs_init(struct mdt_device *mdt, const char *name);
struct ldlm_lock **lockp, __u64 flags);
int mdt_brw_enqueue(struct mdt_thread_info *info, struct ldlm_namespace *ns,
struct ldlm_lock **lockp, __u64 flags);
+int mdt_dom_read_on_open(struct mdt_thread_info *mti, struct mdt_device *mdt,
+ struct lustre_handle *lh);
void mdt_dom_discard_data(struct mdt_thread_info *info,
const struct lu_fid *fid);
int mdt_dom_disk_lvbo_update(const struct lu_env *env, struct mdt_object *mo,
bool increase_only);
int mdt_dom_lvb_alloc(struct ldlm_resource *res);
-static inline void mdt_dom_check_and_discard(struct mdt_thread_info *mti,
+static inline bool mdt_dom_check_for_discard(struct mdt_thread_info *mti,
struct mdt_object *mo)
{
- if (lu_object_is_dying(&mo->mot_header) &&
- S_ISREG(lu_object_attr(&mo->mot_obj)))
- mdt_dom_discard_data(mti, mdt_object_fid(mo));
+ return lu_object_is_dying(&mo->mot_header) &&
+ S_ISREG(lu_object_attr(&mo->mot_obj));
}
int mdt_dom_object_size(const struct lu_env *env, struct mdt_device *mdt,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff