/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
struct lustre_cfg;
struct thandle;
-struct txn_param;
struct dt_device;
struct dt_object;
struct dt_index_features;
struct dt_quota_ctxt;
+struct niobuf_local;
+struct niobuf_remote;
+
+typedef enum {
+ MNTOPT_USERXATTR = 0x00000001,
+ MNTOPT_ACL = 0x00000002,
+} mntopt_t;
struct dt_device_param {
unsigned ddp_max_name_len;
unsigned ddp_max_nlink;
unsigned ddp_block_shift;
+ mntopt_t ddp_mntopts;
+ unsigned ddp_max_ea_size;
+ void *ddp_mnt; /* XXX: old code can retrieve mnt -bzzz */
+ int ddp_mount_type;
+ unsigned long long ddp_maxbytes;
+ /* percentage of available space to reserve for grant error margin */
+ int ddp_grant_reserved;
+ /* per-inode space consumption */
+ short ddp_inodespace;
+ /* per-fragment grant overhead to be used by client for grant
+ * calculation */
+ int ddp_grant_frag;
};
/**
- * Basic transaction credit op
+ * Per-transaction commit callback function
+ */
+struct dt_txn_commit_cb;
+typedef void (*dt_cb_t)(struct lu_env *env, struct thandle *th,
+ struct dt_txn_commit_cb *cb, int err);
+/**
+ * Special per-transaction callback for cases when just commit callback
+ * is needed and per-device callback are not convenient to use
*/
-enum dt_txn_op {
- DTO_INDEX_INSERT,
- DTO_INDEX_DELETE,
- DTO_IDNEX_UPDATE,
- DTO_OBJECT_CREATE,
- DTO_OBJECT_DELETE,
- DTO_ATTR_SET_BASE,
- DTO_XATTR_SET,
- DTO_LOG_REC, /**< XXX temporary: dt layer knows nothing about llog. */
- DTO_WRITE_BASE,
- DTO_WRITE_BLOCK,
- DTO_ATTR_SET_CHOWN,
-
- DTO_NR
+struct dt_txn_commit_cb {
+ cfs_list_t dcb_linkage;
+ dt_cb_t dcb_func;
};
/**
* Return device-wide statistics.
*/
int (*dt_statfs)(const struct lu_env *env,
- struct dt_device *dev, cfs_kstatfs_t *sfs);
+ struct dt_device *dev, cfs_kstatfs_t *osfs);
+ /**
+ * Create transaction, described by \a param.
+ */
+ struct thandle *(*dt_trans_create)(const struct lu_env *env,
+ struct dt_device *dev);
/**
* Start transaction, described by \a param.
*/
- struct thandle *(*dt_trans_start)(const struct lu_env *env,
- struct dt_device *dev,
- struct txn_param *param);
+ int (*dt_trans_start)(const struct lu_env *env,
+ struct dt_device *dev, struct thandle *th);
/**
* Finish previously started transaction.
*/
- void (*dt_trans_stop)(const struct lu_env *env,
+ int (*dt_trans_stop)(const struct lu_env *env,
struct thandle *th);
/**
+ * Add commit callback to the transaction.
+ */
+ int (*dt_trans_cb_add)(struct thandle *th,
+ struct dt_txn_commit_cb *dcb);
+ /**
* Return fid of root index object.
*/
int (*dt_root_get)(const struct lu_env *env,
* handling device state, mostly for tests
*/
int (*dt_sync)(const struct lu_env *env, struct dt_device *dev);
- void (*dt_ro)(const struct lu_env *env, struct dt_device *dev);
+ int (*dt_ro)(const struct lu_env *env, struct dt_device *dev);
/**
* Start a transaction commit asynchronously
*
void (*dt_init_quota_ctxt)(const struct lu_env *env,
struct dt_device *dev,
struct dt_quota_ctxt *ctxt, void *data);
-
- /**
- * get transaction credits for given \a op.
- */
- int (*dt_credit_get)(const struct lu_env *env, struct dt_device *dev,
- enum dt_txn_op);
};
struct dt_index_features {
enum dt_format_type dt_mode_to_dft(__u32 mode);
-/** Version type. May differ in DMU and ldiskfs */
typedef __u64 dt_obj_version_t;
/**
*
* precondition: dt_object_exists(dt);
*/
+ int (*do_declare_attr_set)(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_attr *attr,
+ struct thandle *handle);
int (*do_attr_set)(const struct lu_env *env,
struct dt_object *dt,
const struct lu_attr *attr,
*
* precondition: dt_object_exists(dt);
*/
+ int (*do_declare_xattr_set)(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_buf *buf,
+ const char *name, int fl,
+ struct thandle *handle);
int (*do_xattr_set)(const struct lu_env *env,
struct dt_object *dt, const struct lu_buf *buf,
const char *name, int fl, struct thandle *handle,
*
* precondition: dt_object_exists(dt);
*/
+ int (*do_declare_xattr_del)(const struct lu_env *env,
+ struct dt_object *dt,
+ const char *name, struct thandle *handle);
int (*do_xattr_del)(const struct lu_env *env,
struct dt_object *dt,
const char *name, struct thandle *handle,
* precondition: !dt_object_exists(dt);
* postcondition: ergo(result == 0, dt_object_exists(dt));
*/
+ int (*do_declare_create)(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *th);
int (*do_create)(const struct lu_env *env, struct dt_object *dt,
struct lu_attr *attr,
struct dt_allocation_hint *hint,
struct thandle *th);
/**
+ Destroy object on this device
+ * precondition: !dt_object_exists(dt);
+ * postcondition: ergo(result == 0, dt_object_exists(dt));
+ */
+ int (*do_declare_destroy)(const struct lu_env *env,
+ struct dt_object *dt,
+ struct thandle *th);
+ int (*do_destroy)(const struct lu_env *env, struct dt_object *dt,
+ struct thandle *th);
+
+ /**
* Announce that this object is going to be used as an index. This
* operation check that object supports indexing operations and
* installs appropriate dt_index_operations vector on success.
* Add nlink of the object
* precondition: dt_object_exists(dt);
*/
- void (*do_ref_add)(const struct lu_env *env,
+ int (*do_declare_ref_add)(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th);
+ int (*do_ref_add)(const struct lu_env *env,
struct dt_object *dt, struct thandle *th);
/**
* Del nlink of the object
* precondition: dt_object_exists(dt);
*/
- void (*do_ref_del)(const struct lu_env *env,
+ int (*do_declare_ref_del)(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th);
+ int (*do_ref_del)(const struct lu_env *env,
struct dt_object *dt, struct thandle *th);
struct obd_capa *(*do_capa_get)(const struct lu_env *env,
struct lustre_capa *old,
__u64 opc);
int (*do_object_sync)(const struct lu_env *, struct dt_object *);
- dt_obj_version_t (*do_version_get)(const struct lu_env *env,
- struct dt_object *dt);
- void (*do_version_set)(const struct lu_env *env, struct dt_object *dt,
- dt_obj_version_t new_version);
/**
* Get object info of next level. Currently, only get inode from osd.
* This is only used by quota b=16542
/**
* precondition: dt_object_exists(dt);
*/
+ ssize_t (*dbo_declare_write)(const struct lu_env *env,
+ struct dt_object *dt,
+ const loff_t size, loff_t pos,
+ struct thandle *handle);
ssize_t (*dbo_write)(const struct lu_env *env, struct dt_object *dt,
const struct lu_buf *buf, loff_t *pos,
struct thandle *handle, struct lustre_capa *capa,
int ignore_quota);
+ /*
+ * methods for zero-copy IO
+ */
+
+ /*
+ * precondition: dt_object_exists(dt);
+ * returns:
+ * < 0 - error code
+ * = 0 - illegal
+ * > 0 - number of local buffers prepared
+ */
+ int (*dbo_bufs_get)(const struct lu_env *env, struct dt_object *dt,
+ loff_t pos, ssize_t len, struct niobuf_local *lb,
+ int rw, struct lustre_capa *capa);
+ /*
+ * precondition: dt_object_exists(dt);
+ */
+ int (*dbo_bufs_put)(const struct lu_env *env, struct dt_object *dt,
+ struct niobuf_local *lb, int nr);
+ /*
+ * precondition: dt_object_exists(dt);
+ */
+ int (*dbo_write_prep)(const struct lu_env *env, struct dt_object *dt,
+ struct niobuf_local *lb, int nr);
+ /*
+ * precondition: dt_object_exists(dt);
+ */
+ int (*dbo_declare_write_commit)(const struct lu_env *env,
+ struct dt_object *dt,
+ struct niobuf_local *,
+ int, struct thandle *);
+ /*
+ * precondition: dt_object_exists(dt);
+ */
+ int (*dbo_write_commit)(const struct lu_env *env, struct dt_object *dt,
+ struct niobuf_local *, int, struct thandle *);
+ /*
+ * precondition: dt_object_exists(dt);
+ */
+ int (*dbo_read_prep)(const struct lu_env *env, struct dt_object *dt,
+ struct niobuf_local *lnb, int nr);
+ int (*dbo_fiemap_get)(const struct lu_env *env, struct dt_object *dt,
+ struct ll_user_fiemap *fm);
+ /**
+ * Punch object's content
+ * precondition: regular object, not index
+ */
+ int (*do_declare_punch)(const struct lu_env *, struct dt_object *,
+ __u64, __u64, struct thandle *th);
+ int (*do_punch)(const struct lu_env *env, struct dt_object *dt,
+ __u64 start, __u64 end, struct thandle *th,
+ struct lustre_capa *capa);
};
/**
/**
* precondition: dt_object_exists(dt);
*/
+ int (*dio_declare_insert)(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct dt_rec *rec,
+ const struct dt_key *key,
+ struct thandle *handle);
int (*dio_insert)(const struct lu_env *env, struct dt_object *dt,
const struct dt_rec *rec, const struct dt_key *key,
struct thandle *handle, struct lustre_capa *capa,
/**
* precondition: dt_object_exists(dt);
*/
+ int (*dio_declare_delete)(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct dt_key *key,
+ struct thandle *handle);
int (*dio_delete)(const struct lu_env *env, struct dt_object *dt,
const struct dt_key *key, struct thandle *handle,
struct lustre_capa *capa);
*/
struct dt_it *(*init)(const struct lu_env *env,
struct dt_object *dt,
+ __u32 attr,
struct lustre_capa *capa);
void (*fini)(const struct lu_env *env,
struct dt_it *di);
const struct dt_it *di);
int (*rec)(const struct lu_env *env,
const struct dt_it *di,
- struct lu_dirent *lde,
+ struct dt_rec *rec,
__u32 attr);
__u64 (*store)(const struct lu_env *env,
const struct dt_it *di);
int (*load)(const struct lu_env *env,
const struct dt_it *di, __u64 hash);
+ int (*key_rec)(const struct lu_env *env,
+ const struct dt_it *di, void* key_rec);
} dio_it;
};
const struct dt_index_operations *do_index_ops;
};
+static inline struct dt_object *lu2dt(struct lu_object *l)
+{
+ LASSERT(l == NULL || IS_ERR(l) || lu_device_is_dt(l->lo_dev));
+ return container_of0(l, struct dt_object, do_lu);
+}
+
int dt_object_init(struct dt_object *obj,
struct lu_object_header *h, struct lu_device *d);
return lu_object_exists(&dt->do_lu);
}
-struct txn_param {
- /** number of blocks this transaction will modify */
- unsigned int tp_credits;
- /** sync transaction is needed */
- __u32 tp_sync:1;
-};
-
-static inline void txn_param_init(struct txn_param *p, unsigned int credits)
-{
- memset(p, 0, sizeof(*p));
- p->tp_credits = credits;
-}
-
-static inline void txn_param_credit_add(struct txn_param *p,
- unsigned int credits)
-{
- p->tp_credits += credits;
-}
-
-static inline void txn_param_sync(struct txn_param *p)
-{
- p->tp_sync = 1;
-}
-
/**
* This is the general purpose transaction handle.
* 1. Transaction Life Cycle
/** the dt device on which the transactions are executed */
struct dt_device *th_dev;
+ /** additional tags (layers can add in declare) */
+ __u32 th_tags;
+
/** context for this transaction, tag is LCT_TX_HANDLE */
struct lu_context th_ctx;
/** the last operation result in this transaction.
* this value is used in recovery */
__s32 th_result;
+
+ /** whether we need sync commit */
+ int th_sync:1;
+
+ /* local transation, no need to inform other layers */
+ int th_local:1;
};
/**
*/
struct dt_txn_callback {
int (*dtc_txn_start)(const struct lu_env *env,
- struct txn_param *param, void *cookie);
+ struct thandle *txn, void *cookie);
int (*dtc_txn_stop)(const struct lu_env *env,
struct thandle *txn, void *cookie);
- int (*dtc_txn_commit)(const struct lu_env *env,
- struct thandle *txn, void *cookie);
+ void (*dtc_txn_commit)(struct thandle *txn, void *cookie);
void *dtc_cookie;
__u32 dtc_tag;
cfs_list_t dtc_linkage;
void dt_txn_callback_del(struct dt_device *dev, struct dt_txn_callback *cb);
int dt_txn_hook_start(const struct lu_env *env,
- struct dt_device *dev, struct txn_param *param);
+ struct dt_device *dev, struct thandle *txn);
int dt_txn_hook_stop(const struct lu_env *env, struct thandle *txn);
-int dt_txn_hook_commit(const struct lu_env *env, struct thandle *txn);
+void dt_txn_hook_commit(struct thandle *txn);
int dt_try_as_dir(const struct lu_env *env, struct dt_object *obj);
struct dt_device *dev,
const struct lu_fid *fid);
-static inline dt_obj_version_t do_version_get(const struct lu_env *env,
- struct dt_object *o)
-{
- LASSERT(o->do_ops->do_version_get);
- return o->do_ops->do_version_get(env, o);
-}
+int dt_declare_version_set(const struct lu_env *env, struct dt_object *o,
+ struct thandle *th);
+void dt_version_set(const struct lu_env *env, struct dt_object *o,
+ dt_obj_version_t version, struct thandle *th);
+dt_obj_version_t dt_version_get(const struct lu_env *env, struct dt_object *o);
-static inline void do_version_set(const struct lu_env *env,
- struct dt_object *o, dt_obj_version_t v)
-{
- LASSERT(o->do_ops->do_version_set);
- return o->do_ops->do_version_set(env, o, v);
-}
int dt_record_read(const struct lu_env *env, struct dt_object *dt,
struct lu_buf *buf, loff_t *pos);
const struct lu_buf *buf, loff_t *pos, struct thandle *th);
-static inline struct thandle *dt_trans_start(const struct lu_env *env,
- struct dt_device *d,
- struct txn_param *p)
+static inline struct thandle *dt_trans_create(const struct lu_env *env,
+ struct dt_device *d)
+{
+ LASSERT(d->dd_ops->dt_trans_create);
+ return d->dd_ops->dt_trans_create(env, d);
+}
+
+static inline int dt_trans_start(const struct lu_env *env,
+ struct dt_device *d, struct thandle *th)
+{
+ LASSERT(d->dd_ops->dt_trans_start);
+ return d->dd_ops->dt_trans_start(env, d, th);
+}
+
+/* for this transaction hooks shouldn't be called */
+static inline int dt_trans_start_local(const struct lu_env *env,
+ struct dt_device *d, struct thandle *th)
{
LASSERT(d->dd_ops->dt_trans_start);
- return d->dd_ops->dt_trans_start(env, d, p);
+ th->th_local = 1;
+ return d->dd_ops->dt_trans_start(env, d, th);
}
-static inline void dt_trans_stop(const struct lu_env *env,
- struct dt_device *d,
- struct thandle *th)
+static inline int dt_trans_stop(const struct lu_env *env,
+ struct dt_device *d, struct thandle *th)
{
LASSERT(d->dd_ops->dt_trans_stop);
return d->dd_ops->dt_trans_stop(env, th);
}
+
+static inline int dt_trans_cb_add(struct thandle *th,
+ struct dt_txn_commit_cb *dcb)
+{
+ LASSERT(th->th_dev->dd_ops->dt_trans_cb_add);
+ return th->th_dev->dd_ops->dt_trans_cb_add(th, dcb);
+}
/** @} dt */
+
+
+static inline int dt_declare_record_write(const struct lu_env *env,
+ struct dt_object *dt,
+ int size, loff_t pos,
+ struct thandle *th)
+{
+ int rc;
+
+ LASSERTF(dt != NULL, "dt is NULL when we want to write record\n");
+ LASSERT(th != NULL);
+ rc = dt->do_body_ops->dbo_declare_write(env, dt, size, pos, th);
+ return rc;
+}
+
+static inline int dt_declare_create(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_declare_create);
+ return dt->do_ops->do_declare_create(env, dt, attr, hint, dof, th);
+}
+
+static inline int dt_create(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lu_attr *attr,
+ struct dt_allocation_hint *hint,
+ struct dt_object_format *dof,
+ struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_create);
+ return dt->do_ops->do_create(env, dt, attr, hint, dof, th);
+}
+
+static inline int dt_declare_destroy(const struct lu_env *env,
+ struct dt_object *dt,
+ struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_declare_destroy);
+ return dt->do_ops->do_declare_destroy(env, dt, th);
+}
+
+static inline int dt_destroy(const struct lu_env *env,
+ struct dt_object *dt,
+ struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_destroy);
+ return dt->do_ops->do_destroy(env, dt, th);
+}
+
+static inline void dt_read_lock(const struct lu_env *env,
+ struct dt_object *dt,
+ unsigned role)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_read_lock);
+ dt->do_ops->do_read_lock(env, dt, role);
+}
+
+static inline void dt_write_lock(const struct lu_env *env,
+ struct dt_object *dt,
+ unsigned role)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_write_lock);
+ dt->do_ops->do_write_lock(env, dt, role);
+}
+
+static inline void dt_read_unlock(const struct lu_env *env,
+ struct dt_object *dt)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_read_unlock);
+ dt->do_ops->do_read_unlock(env, dt);
+}
+
+static inline void dt_write_unlock(const struct lu_env *env,
+ struct dt_object *dt)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_write_unlock);
+ dt->do_ops->do_write_unlock(env, dt);
+}
+
+static inline int dt_write_locked(const struct lu_env *env,
+ struct dt_object *dt)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_write_locked);
+ return dt->do_ops->do_write_locked(env, dt);
+}
+
+static inline int dt_attr_get(const struct lu_env *env, struct dt_object *dt,
+ struct lu_attr *la, void *arg)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_attr_get);
+ return dt->do_ops->do_attr_get(env, dt, la, arg);
+}
+
+static inline int dt_declare_attr_set(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_attr *la,
+ struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_declare_attr_set);
+ return dt->do_ops->do_declare_attr_set(env, dt, la, th);
+}
+
+static inline int dt_attr_set(const struct lu_env *env, struct dt_object *dt,
+ const struct lu_attr *la, struct thandle *th,
+ struct lustre_capa *capa)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_attr_set);
+ return dt->do_ops->do_attr_set(env, dt, la, th, capa);
+}
+
+static inline int dt_declare_ref_add(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_declare_ref_add);
+ return dt->do_ops->do_declare_ref_add(env, dt, th);
+}
+
+static inline int dt_ref_add(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_ref_add);
+ return dt->do_ops->do_ref_add(env, dt, th);
+}
+
+static inline int dt_declare_ref_del(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_declare_ref_del);
+ return dt->do_ops->do_declare_ref_del(env, dt, th);
+}
+
+static inline int dt_ref_del(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_ref_del);
+ return dt->do_ops->do_ref_del(env, dt, th);
+}
+
+static inline struct obd_capa *dt_capa_get(const struct lu_env *env,
+ struct dt_object *dt,
+ struct lustre_capa *old, __u64 opc)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_ref_del);
+ return dt->do_ops->do_capa_get(env, dt, old, opc);
+}
+
+static inline int dt_bufs_get(const struct lu_env *env, struct dt_object *d,
+ struct niobuf_remote *rnb,
+ struct niobuf_local *lnb, int rw,
+ struct lustre_capa *capa)
+{
+ LASSERT(d);
+ LASSERT(d->do_body_ops);
+ LASSERT(d->do_body_ops->dbo_bufs_get);
+ return d->do_body_ops->dbo_bufs_get(env, d, rnb->offset,
+ rnb->len, lnb, rw, capa);
+}
+
+static inline int dt_bufs_put(const struct lu_env *env, struct dt_object *d,
+ struct niobuf_local *lnb, int n)
+{
+ LASSERT(d);
+ LASSERT(d->do_body_ops);
+ LASSERT(d->do_body_ops->dbo_bufs_put);
+ return d->do_body_ops->dbo_bufs_put(env, d, lnb, n);
+}
+
+static inline int dt_write_prep(const struct lu_env *env, struct dt_object *d,
+ struct niobuf_local *lnb, int n)
+{
+ LASSERT(d);
+ LASSERT(d->do_body_ops);
+ LASSERT(d->do_body_ops->dbo_write_prep);
+ return d->do_body_ops->dbo_write_prep(env, d, lnb, n);
+}
+
+static inline int dt_declare_write_commit(const struct lu_env *env,
+ struct dt_object *d,
+ struct niobuf_local *lnb,
+ int n, struct thandle *th)
+{
+ LASSERTF(d != NULL, "dt is NULL when we want to declare write\n");
+ LASSERT(th != NULL);
+ return d->do_body_ops->dbo_declare_write_commit(env, d, lnb, n, th);
+}
+
+
+static inline int dt_write_commit(const struct lu_env *env,
+ struct dt_object *d, struct niobuf_local *lnb,
+ int n, struct thandle *th)
+{
+ LASSERT(d);
+ LASSERT(d->do_body_ops);
+ LASSERT(d->do_body_ops->dbo_write_commit);
+ return d->do_body_ops->dbo_write_commit(env, d, lnb, n, th);
+}
+
+static inline int dt_read_prep(const struct lu_env *env, struct dt_object *d,
+ struct niobuf_local *lnb, int n)
+{
+ LASSERT(d);
+ LASSERT(d->do_body_ops);
+ LASSERT(d->do_body_ops->dbo_read_prep);
+ return d->do_body_ops->dbo_read_prep(env, d, lnb, n);
+}
+
+static inline int dt_declare_punch(const struct lu_env *env,
+ struct dt_object *dt, __u64 start,
+ __u64 end, struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_body_ops);
+ LASSERT(dt->do_body_ops->do_declare_punch);
+ return dt->do_body_ops->do_declare_punch(env, dt, start, end, th);
+}
+
+static inline int dt_punch(const struct lu_env *env, struct dt_object *dt,
+ __u64 start, __u64 end, struct thandle *th,
+ struct lustre_capa *capa)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_body_ops);
+ LASSERT(dt->do_body_ops->do_punch);
+ return dt->do_body_ops->do_punch(env, dt, start, end, th, capa);
+}
+
+static inline int dt_fiemap_get(const struct lu_env *env, struct dt_object *d,
+ struct ll_user_fiemap *fm)
+{
+ LASSERT(d);
+ if (d->do_body_ops == NULL)
+ return -EPROTO;
+ LASSERT(d->do_body_ops->dbo_fiemap_get);
+ return d->do_body_ops->dbo_fiemap_get(env, d, fm);
+}
+
+static inline int dt_statfs(const struct lu_env *env, struct dt_device *dev,
+ cfs_kstatfs_t *osfs)
+{
+ LASSERT(dev);
+ LASSERT(dev->dd_ops);
+ LASSERT(dev->dd_ops->dt_statfs);
+ return dev->dd_ops->dt_statfs(env, dev, osfs);
+}
+
+static inline int dt_root_get(const struct lu_env *env, struct dt_device *dev,
+ struct lu_fid *f)
+{
+ LASSERT(dev);
+ LASSERT(dev->dd_ops);
+ LASSERT(dev->dd_ops->dt_root_get);
+ return dev->dd_ops->dt_root_get(env, dev, f);
+}
+
+static inline void dt_conf_get(const struct lu_env *env,
+ const struct dt_device *dev,
+ struct dt_device_param *param)
+{
+ LASSERT(dev);
+ LASSERT(dev->dd_ops);
+ LASSERT(dev->dd_ops->dt_conf_get);
+ return dev->dd_ops->dt_conf_get(env, dev, param);
+}
+
+static inline int dt_sync(const struct lu_env *env, struct dt_device *dev)
+{
+ LASSERT(dev);
+ LASSERT(dev->dd_ops);
+ LASSERT(dev->dd_ops->dt_sync);
+ return dev->dd_ops->dt_sync(env, dev);
+}
+
+static inline int dt_ro(const struct lu_env *env, struct dt_device *dev)
+{
+ LASSERT(dev);
+ LASSERT(dev->dd_ops);
+ LASSERT(dev->dd_ops->dt_ro);
+ return dev->dd_ops->dt_ro(env, dev);
+}
+
+static inline int dt_declare_insert(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct dt_rec *rec,
+ const struct dt_key *key,
+ struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_index_ops);
+ LASSERT(dt->do_index_ops->dio_declare_insert);
+ return dt->do_index_ops->dio_declare_insert(env, dt, rec, key, th);
+}
+
+static inline int dt_insert(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct dt_rec *rec,
+ const struct dt_key *key,
+ struct thandle *th,
+ struct lustre_capa *capa,
+ int noquota)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_index_ops);
+ LASSERT(dt->do_index_ops->dio_insert);
+ return dt->do_index_ops->dio_insert(env, dt, rec, key, th,
+ capa, noquota);
+}
+
+static inline int dt_declare_xattr_del(const struct lu_env *env,
+ struct dt_object *dt,
+ const char *name,
+ struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_declare_xattr_del);
+ return dt->do_ops->do_declare_xattr_del(env, dt, name, th);
+}
+
+static inline int dt_xattr_del(const struct lu_env *env,
+ struct dt_object *dt, const char *name,
+ struct thandle *th,
+ struct lustre_capa *capa)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_xattr_del);
+ return dt->do_ops->do_xattr_del(env, dt, name, th, capa);
+}
+
+static inline int dt_declare_xattr_set(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct lu_buf *buf,
+ const char *name, int fl,
+ struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_declare_xattr_set);
+ return dt->do_ops->do_declare_xattr_set(env, dt, buf, name, fl, th);
+}
+
+static inline int dt_xattr_set(const struct lu_env *env,
+ struct dt_object *dt, const struct lu_buf *buf,
+ const char *name, int fl, struct thandle *th,
+ struct lustre_capa *capa)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_xattr_set);
+ return dt->do_ops->do_xattr_set(env, dt, buf, name, fl, th, capa);
+}
+
+static inline int dt_xattr_get(const struct lu_env *env,
+ struct dt_object *dt, struct lu_buf *buf,
+ const char *name, struct lustre_capa *capa)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_xattr_get);
+ return dt->do_ops->do_xattr_get(env, dt, buf, name, capa);
+}
+
+static inline int dt_xattr_list(const struct lu_env *env,
+ struct dt_object *dt, struct lu_buf *buf,
+ struct lustre_capa *capa)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_ops);
+ LASSERT(dt->do_ops->do_xattr_list);
+ return dt->do_ops->do_xattr_list(env, dt, buf, capa);
+}
+
+static inline int dt_declare_delete(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct dt_key *key,
+ struct thandle *th)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_index_ops);
+ LASSERT(dt->do_index_ops->dio_declare_delete);
+ return dt->do_index_ops->dio_declare_delete(env, dt, key, th);
+}
+
+static inline int dt_delete(const struct lu_env *env,
+ struct dt_object *dt,
+ const struct dt_key *key,
+ struct thandle *th,
+ struct lustre_capa *capa)
+{
+ LASSERT(dt);
+ LASSERT(dt->do_index_ops);
+ LASSERT(dt->do_index_ops->dio_delete);
+ return dt->do_index_ops->dio_delete(env, dt, key, th, capa);
+}
+
+static inline int dt_commit_async(const struct lu_env *env,
+ struct dt_device *dev)
+{
+ LASSERT(dev);
+ LASSERT(dev->dd_ops);
+ LASSERT(dev->dd_ops->dt_commit_async);
+ return dev->dd_ops->dt_commit_async(env, dev);
+}
+
+static inline int dt_lookup(const struct lu_env *env,
+ struct dt_object *dt,
+ struct dt_rec *rec,
+ const struct dt_key *key,
+ struct lustre_capa *capa)
+{
+ int ret;
+
+ LASSERT(dt);
+ LASSERT(dt->do_index_ops);
+ LASSERT(dt->do_index_ops->dio_lookup);
+
+ ret = dt->do_index_ops->dio_lookup(env, dt, rec, key, capa);
+ if (ret > 0)
+ ret = 0;
+ else if (ret == 0)
+ ret = -ENOENT;
+ return ret;
+}
#endif /* __LUSTRE_DT_OBJECT_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff