pid_t lsm_lock_owner; /* debugging */
/* maximum possible file size, might change as OSTs status changes,
- * e.g. disconnected, deactivated */
+ * e.g. disconnected, deactivated
+ */
__u64 lsm_maxbytes;
struct {
/* Public members. */
static inline bool lsm_has_objects(struct lov_stripe_md *lsm)
{
- if (lsm == NULL)
+ if (!lsm)
return false;
if (lsm_is_released(lsm))
return false;
/* An update callback which is called to update some data on upper
* level. E.g. it is used for update lsm->lsm_oinfo at every received
* request in osc level for enqueue requests. It is also possible to
- * update some caller data from LOV layer if needed. */
+ * update some caller data from LOV layer if needed.
+ */
obd_enqueue_update_f oi_cb_up;
};
};
#define OSC_MAX_RIF_DEFAULT 8
-#define MDS_OSC_MAX_RIF_DEFAULT 50
#define OSC_MAX_RIF_MAX 256
#define OSC_MAX_DIRTY_DEFAULT (OSC_MAX_RIF_DEFAULT * 4)
#define OSC_MAX_DIRTY_MB_MAX 2048 /* arbitrary, but < MAX_LONG bytes */
struct obd_import *cl_import; /* ptlrpc connection state */
int cl_conn_count;
/* max_mds_easize is purely a performance thing so we don't have to
- * call obd_size_diskmd() all the time. */
+ * call obd_size_diskmd() all the time.
+ */
int cl_default_mds_easize;
int cl_max_mds_easize;
int cl_default_mds_cookiesize;
/* since we allocate grant by blocks, we don't know how many grant will
* be used to add a page into cache. As a solution, we reserve maximum
* grant before trying to dirty a page and unreserve the rest.
- * See osc_{reserve|unreserve}_grant for details. */
+ * See osc_{reserve|unreserve}_grant for details.
+ */
long cl_reserved_grant;
struct list_head cl_cache_waiters; /* waiting for cache/grant */
unsigned long cl_next_shrink_grant; /* jiffies */
int cl_grant_shrink_interval; /* seconds */
/* A chunk is an optimal size used by osc_extent to determine
- * the extent size. A chunk is max(PAGE_CACHE_SIZE, OST block size) */
+ * the extent size. A chunk is max(PAGE_CACHE_SIZE, OST block size)
+ */
int cl_chunkbits;
int cl_chunk;
int cl_extent_tax; /* extent overhead, by bytes */
/* keep track of objects that have lois that contain pages which
* have been queued for async brw. this lock also protects the
- * lists of osc_client_pages that hang off of the loi */
+ * lists of osc_client_pages that hang off of the loi
+ */
/*
* ->cl_loi_list_lock protects consistency of
* ->cl_loi_{ready,read,write}_list. ->ap_make_ready() and
* NB by Jinshan: though field names are still _loi_, but actually
* osc_object{}s are in the list.
*/
- client_obd_lock_t cl_loi_list_lock;
+ struct client_obd_lock cl_loi_list_lock;
struct list_head cl_loi_ready_list;
struct list_head cl_loi_hp_ready_list;
struct list_head cl_loi_write_list;
struct list_head cl_loi_read_list;
int cl_r_in_flight;
int cl_w_in_flight;
- /* just a sum of the loi/lop pending numbers to be exported by /proc */
+ /* just a sum of the loi/lop pending numbers to be exported by sysfs */
atomic_t cl_pending_w_pages;
atomic_t cl_pending_r_pages;
__u32 cl_max_pages_per_rpc;
atomic_t cl_lru_shrinkers;
atomic_t cl_lru_in_list;
struct list_head cl_lru_list; /* lru page list */
- client_obd_lock_t cl_lru_list_lock; /* page list protector */
+ struct client_obd_lock cl_lru_list_lock; /* page list protector */
/* number of in flight destroy rpcs is limited to max_rpcs_in_flight */
atomic_t cl_destroy_in_flight;
/* supported checksum types that are worked out at connect time */
__u32 cl_supp_cksum_types;
/* checksum algorithm to be used */
- cksum_type_t cl_cksum_type;
+ enum cksum_type cl_cksum_type;
/* also protected by the poorly named _loi_list_lock lock above */
struct osc_async_rc cl_ar;
spinlock_t ec_lock;
struct list_head ec_objects;
struct list_head ec_locks;
- int ec_nstripes;
__u64 ec_unique;
};
/* Generic subset of OSTs */
struct ost_pool {
- __u32 *op_array; /* array of index of
- lov_obd->lov_tgts */
+ __u32 *op_array; /* array of index of lov_obd->lov_tgts */
unsigned int op_count; /* number of OSTs in the array */
unsigned int op_size; /* allocated size of lp_array */
struct rw_semaphore op_rw_sem; /* to protect ost_pool use */
struct lov_qos_rr lq_rr; /* round robin qos data */
unsigned long lq_dirty:1, /* recalc qos data */
lq_same_space:1,/* the ost's all have approx.
- the same space avail */
+ * the same space avail
+ */
lq_reset:1, /* zero current penalties */
lq_statfs_in_progress:1; /* statfs op in
progress */
/* qos statfs data */
struct lov_statfs_data *lq_statfs_data;
- wait_queue_head_t lq_statfs_waitq; /* waitqueue to notify statfs
- * requests completion */
+ wait_queue_head_t lq_statfs_waitq; /* waitqueue to notify statfs
+ * requests completion
+ */
};
struct lov_tgt_desc {
struct lov_qos_rr pool_rr; /* round robin qos */
struct hlist_node pool_hash; /* access by poolname */
struct list_head pool_list; /* serial access */
- struct dentry *pool_debugfs_entry; /* file in /proc */
+ struct dentry *pool_debugfs_entry; /* file in debugfs */
struct obd_device *pool_lobd; /* obd of the lov/lod to which
- * this pool belongs */
+ * this pool belongs
+ */
};
struct lov_obd {
struct lov_desc desc;
struct lov_tgt_desc **lov_tgts; /* sparse array */
- struct ost_pool lov_packed; /* all OSTs in a packed
- array */
+ struct ost_pool lov_packed; /* all OSTs in a packed array */
struct mutex lov_lock;
struct obd_connect_data lov_ocd;
atomic_t lov_refcount;
struct obd_uuid *oti_ost_uuid;
};
-static inline void oti_init(struct obd_trans_info *oti,
- struct ptlrpc_request *req)
-{
- if (oti == NULL)
- return;
- memset(oti, 0, sizeof(*oti));
-
- if (req == NULL)
- return;
-
- oti->oti_xid = req->rq_xid;
- /** VBR: take versions from request */
- if (req->rq_reqmsg != NULL &&
- lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) {
- __u64 *pre_version = lustre_msg_get_versions(req->rq_reqmsg);
-
- oti->oti_pre_version = pre_version ? pre_version[0] : 0;
- oti->oti_transno = lustre_msg_get_transno(req->rq_reqmsg);
- }
-
- /** called from mds_create_objects */
- if (req->rq_repmsg != NULL)
- oti->oti_transno = lustre_msg_get_transno(req->rq_repmsg);
- oti->oti_thread = req->rq_svc_thread;
- if (req->rq_reqmsg != NULL)
- oti->oti_conn_cnt = lustre_msg_get_conn_cnt(req->rq_reqmsg);
-}
-
static inline void oti_alloc_cookies(struct obd_trans_info *oti,
int num_cookies)
{
/*
* Data structure used to pass obd_notify()-event to non-obd listeners (llite
- * and liblustre being main examples).
+ * being main example).
*/
struct obd_notify_upcall {
int (*onu_upcall)(struct obd_device *host, struct obd_device *watched,
unsigned long obd_attached:1, /* finished attach */
obd_set_up:1, /* finished setup */
obd_version_recov:1, /* obd uses version checking */
- obd_replayable:1, /* recovery is enabled; inform clients */
- obd_no_transno:1, /* no committed-transno notification */
+ obd_replayable:1,/* recovery is enabled; inform clients */
+ obd_no_transno:1, /* no committed-transno notification */
obd_no_recov:1, /* fail instead of retry messages */
obd_stopping:1, /* started cleanup */
obd_starting:1, /* started setup */
obd_force:1, /* cleanup with > 0 obd refcount */
- obd_fail:1, /* cleanup with failover */
- obd_async_recov:1, /* allow asynchronous orphan cleanup */
+ obd_fail:1, /* cleanup with failover */
+ obd_async_recov:1, /* allow asynchronous orphan cleanup */
obd_no_conn:1, /* deny new connections */
obd_inactive:1, /* device active/inactive
- * (for /proc/status only!!) */
+ * (for sysfs status only!!)
+ */
obd_no_ir:1, /* no imperative recovery. */
obd_process_conf:1; /* device is processing mgs config */
/* use separate field as it is set in interrupt to don't mess with
- * protection of other bits using _bh lock */
+ * protection of other bits using _bh lock
+ */
unsigned long obd_recovery_expired:1;
/* uuid-export hash body */
struct cfs_hash *obd_uuid_hash;
__u32 op_npages;
/* used to transfer info between the stacks of MD client
- * see enum op_cli_flags */
+ * see enum op_cli_flags
+ */
__u32 op_cli_flags;
/* File object data version for HSM release, on client */
struct lustre_handle mi_lockh;
struct inode *mi_dir;
int (*mi_cb)(struct ptlrpc_request *req,
- struct md_enqueue_info *minfo, int rc);
+ struct md_enqueue_info *minfo, int rc);
__u64 mi_cbdata;
unsigned int mi_generation;
};
struct obd_ops {
struct module *owner;
int (*iocontrol)(unsigned int cmd, struct obd_export *exp, int len,
- void *karg, void *uarg);
+ void *karg, void __user *uarg);
int (*get_info)(const struct lu_env *env, struct obd_export *,
__u32 keylen, void *key, __u32 *vallen, void *val,
struct lov_stripe_md *lsm);
/* connect to the target device with given connection
* data. @ocd->ocd_connect_flags is modified to reflect flags actually
* granted by the target, which are guaranteed to be a subset of flags
- * asked for. If @ocd == NULL, use default parameters. */
+ * asked for. If @ocd == NULL, use default parameters.
+ */
int (*connect)(const struct lu_env *env,
struct obd_export **exp, struct obd_device *src,
struct obd_uuid *cluuid, struct obd_connect_data *ocd,
/*
* NOTE: If adding ops, add another LPROCFS_OBD_OP_INIT() line
* to lprocfs_alloc_obd_stats() in obdclass/lprocfs_status.c.
- * Also, add a wrapper function in include/linux/obd_class.h. */
+ * Also, add a wrapper function in include/linux/obd_class.h.
+ */
};
enum {
struct obd_client_handle *);
int (*set_lock_data)(struct obd_export *, __u64 *, void *, __u64 *);
- ldlm_mode_t (*lock_match)(struct obd_export *, __u64,
- const struct lu_fid *, ldlm_type_t,
- ldlm_policy_data_t *, ldlm_mode_t,
- struct lustre_handle *);
+ enum ldlm_mode (*lock_match)(struct obd_export *, __u64,
+ const struct lu_fid *, enum ldlm_type,
+ ldlm_policy_data_t *, enum ldlm_mode,
+ struct lustre_handle *);
int (*cancel_unused)(struct obd_export *, const struct lu_fid *,
- ldlm_policy_data_t *, ldlm_mode_t,
- ldlm_cancel_flags_t flags, void *opaque);
+ ldlm_policy_data_t *, enum ldlm_mode,
+ enum ldlm_cancel_flags flags, void *opaque);
int (*get_remote_perm)(struct obd_export *, const struct lu_fid *,
__u32, struct ptlrpc_request **);
void (*lsm_stripe_by_offset)(struct lov_stripe_md *, int *, u64 *,
u64 *);
int (*lsm_lmm_verify)(struct lov_mds_md *lmm, int lmm_bytes,
- __u16 *stripe_count);
+ __u16 *stripe_count);
int (*lsm_unpackmd)(struct lov_obd *lov, struct lov_stripe_md *lsm,
- struct lov_mds_md *lmm);
+ struct lov_mds_md *lmm);
};
extern const struct lsm_operations lsm_v1_ops;
struct md_open_data *mod;
mod = kzalloc(sizeof(*mod), GFP_NOFS);
- if (mod == NULL)
+ if (!mod)
return NULL;
atomic_set(&mod->mod_refcount, 1);
return mod;
return false;
/* caller does not care of idx */
- if (idx == NULL)
+ if (!idx)
return true;
/* volatile file, the MDT can be set from name */
return true;
bad_format:
/* bad format of mdt idx, we cannot return an error
- * to caller so we use hash algo */
+ * to caller so we use hash algo
+ */
CERROR("Bad volatile file name format: %s\n",
name + LUSTRE_VOLATILE_HDR_LEN);
return false;
static inline int cli_brw_size(struct obd_device *obd)
{
- LASSERT(obd != NULL);
- return obd->u.cli.cl_max_pages_per_rpc << PAGE_CACHE_SHIFT;
+ return obd->u.cli.cl_max_pages_per_rpc << PAGE_SHIFT;
}
#endif /* __OBD_H */
projects / mirror_ubuntu-bionic-kernel.git / blobdiff