* Use is subject to license terms.
*/
/*
+ * Copyright (c) 2011 Whamcloud, Inc.
+ */
+/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*/
cfs_spinlock_t lsm_lock;
pid_t lsm_lock_owner; /* debugging */
+ /* maximum possible file size, might change as OSTs status changes,
+ * e.g. disconnected, deactivated */
+ __u64 lsm_maxbytes;
struct {
/* Public members. */
__u64 lw_object_id; /* lov object id */
__u64 lw_object_seq; /* lov object seq */
- __u64 lw_maxbytes; /* maximum possible file size */
/* LOV-private members start here -- only for use in lov/. */
__u32 lw_magic;
__u32 lw_stripe_size; /* size of the stripe */
__u32 lw_pattern; /* striping pattern (RAID0, RAID1) */
- unsigned lw_stripe_count; /* number of objects being striped over */
+ __u16 lw_stripe_count; /* number of objects being striped over */
+ __u16 lw_layout_gen; /* generation of the layout */
char lw_pool_name[LOV_MAXPOOLNAME]; /* pool name */
} lsm_wire;
#define lsm_object_id lsm_wire.lw_object_id
#define lsm_object_seq lsm_wire.lw_object_seq
-#define lsm_maxbytes lsm_wire.lw_maxbytes
#define lsm_magic lsm_wire.lw_magic
+#define lsm_layout_gen lsm_wire.lw_layout_gen
#define lsm_stripe_size lsm_wire.lw_stripe_size
#define lsm_pattern lsm_wire.lw_pattern
#define lsm_stripe_count lsm_wire.lw_stripe_count
- while lock handling, the flags obtained on the enqueue
request are set here.
- while stats, the flags used for control delay/resend.
+ - while setattr, the flags used for distinguish punch operation
*/
int oi_flags;
/* Lock handle specific for every OSC lock. */
return memcmp(&m1->lsm_wire, &m2->lsm_wire, sizeof m1->lsm_wire);
}
+static inline int lov_lum_lsm_cmp(struct lov_user_md *lum,
+ struct lov_stripe_md *lsm)
+{
+ if (lsm->lsm_magic != lum->lmm_magic)
+ return 1;
+ if ((lsm->lsm_stripe_count != 0) && (lum->lmm_stripe_count != 0) &&
+ (lsm->lsm_stripe_count != lum->lmm_stripe_count))
+ return 2;
+ if ((lsm->lsm_stripe_size != 0) && (lum->lmm_stripe_size != 0) &&
+ (lsm->lsm_stripe_size != lum->lmm_stripe_size))
+ return 3;
+ if ((lsm->lsm_pattern != 0) && (lum->lmm_pattern != 0) &&
+ (lsm->lsm_pattern != lum->lmm_pattern))
+ return 4;
+ if ((lsm->lsm_magic == LOV_MAGIC_V3) &&
+ (strncmp(lsm->lsm_pool_name,
+ ((struct lov_user_md_v3 *)lum)->lmm_pool_name,
+ LOV_MAXPOOLNAME) != 0))
+ return 5;
+ return 0;
+}
+
+static inline int lov_lum_swab_if_needed(struct lov_user_md_v3 *lumv3,
+ int *lmm_magic,
+ struct lov_user_md *lum)
+{
+ if (lum && cfs_copy_from_user(lumv3, lum,sizeof(struct lov_user_md_v1)))
+ return -EFAULT;
+
+ *lmm_magic = lumv3->lmm_magic;
+
+ if (*lmm_magic == __swab32(LOV_USER_MAGIC_V1)) {
+ lustre_swab_lov_user_md_v1((struct lov_user_md_v1 *)lumv3);
+ *lmm_magic = LOV_USER_MAGIC_V1;
+ } else if (*lmm_magic == LOV_USER_MAGIC_V3) {
+ if (lum && cfs_copy_from_user(lumv3, lum, sizeof(*lumv3)))
+ return -EFAULT;
+ } else if (*lmm_magic == __swab32(LOV_USER_MAGIC_V3)) {
+ if (lum && cfs_copy_from_user(lumv3, lum, sizeof(*lumv3)))
+ return -EFAULT;
+ lustre_swab_lov_user_md_v3(lumv3);
+ *lmm_magic = LOV_USER_MAGIC_V3;
+ } else if (*lmm_magic != LOV_USER_MAGIC_V1) {
+ CDEBUG(D_IOCTL,
+ "bad userland LOV MAGIC: %#08x != %#08x nor %#08x\n",
+ *lmm_magic, LOV_USER_MAGIC_V1, LOV_USER_MAGIC_V3);
+ return -EINVAL;
+ }
+ return 0;
+}
+
void lov_stripe_lock(struct lov_stripe_md *md);
void lov_stripe_unlock(struct lov_stripe_md *md);
struct ost_server_data;
+struct osd_properties {
+ size_t osd_max_ea_size;
+};
+
#define OBT_MAGIC 0xBDDECEAE
/* hold common fields for "target" device */
struct obd_device_target {
__u32 obt_magic;
+ __u32 obt_instance;
struct super_block *obt_sb;
/** last_rcvd file */
struct file *obt_rcvd_filp;
cfs_rw_semaphore_t obt_rwsem;
struct vfsmount *obt_vfsmnt;
struct file *obt_health_check_filp;
+ struct osd_properties obt_osd_properties;
};
/* llog contexts */
obd_size fo_readcache_max_filesize;
cfs_spinlock_t fo_flags_lock;
- int fo_read_cache:1, /**< enable read-only cache */
+ unsigned int fo_read_cache:1, /**< enable read-only cache */
fo_writethrough_cache:1,/**< read cache writes */
fo_mds_ost_sync:1, /**< MDS-OST orphan recovery*/
fo_raid_degraded:1;/**< RAID device degraded */
cfs_waitq_t cl_destroy_waitq;
struct mdc_rpc_lock *cl_rpc_lock;
- struct mdc_rpc_lock *cl_setattr_lock;
struct mdc_rpc_lock *cl_close_lock;
struct osc_creator cl_oscc;
struct lu_client_seq *cl_seq;
cfs_atomic_t cl_resends; /* resend count */
+
+ /* ptlrpc work for writeback in ptlrpcd context */
+ void *cl_writeback_work;
};
#define obd2cli_tgt(obd) ((char *)(obd)->u.cli.cl_target_uuid.uuid)
cfs_list_t mgs_fs_db_list;
cfs_semaphore_t mgs_sem;
cfs_proc_dir_entry_t *mgs_proc_live;
+ cfs_time_t mgs_start_time;
};
struct mds_obd {
/* */
struct echo_obd {
- struct obdo eo_oa;
- cfs_spinlock_t eo_lock;
- __u64 eo_lastino;
- struct lustre_handle eo_nl_lock;
- cfs_atomic_t eo_prep;
+ struct obd_device_target eo_obt;
+ struct obdo eo_oa;
+ cfs_spinlock_t eo_lock;
+ __u64 eo_lastino;
+ struct lustre_handle eo_nl_lock;
+ cfs_atomic_t eo_prep;
};
struct ost_obd {
};
/* corresponds to one of the obd's */
-#define MAX_OBD_NAME 128
#define OBD_DEVICE_MAGIC 0XAB5CD6EF
#define OBD_DEV_BY_DEVNAME 0xffffd0de
struct obd_type *obd_type;
__u32 obd_magic;
- int obd_minor;
- cfs_hlist_node_t obd_minor_node; /** < find by minor */
-
- cfs_list_t obd_list;
/* common and UUID name of this device */
char obd_name[MAX_OBD_NAME];
- cfs_hlist_node_t obd_name_node; /** < find by name */
-
struct obd_uuid obd_uuid;
- cfs_hlist_node_t obd_uuid_node; /** < find by uuid */
struct lu_device *obd_lu_dev;
+ int obd_minor;
/* bitfield modification is protected by obd_dev_lock */
unsigned long obd_attached:1, /* finished attach */
obd_set_up:1, /* finished setup */
obd_no_conn:1, /* deny new connections */
obd_inactive:1, /* device active/inactive
* (for /proc/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 */
time_t obd_eviction_timer; /* for ping evictor */
int obd_max_recoverable_clients;
- int obd_connected_clients;
+ cfs_atomic_t obd_connected_clients;
int obd_stale_clients;
int obd_delayed_clients;
/* this lock protects all recovery list_heads, timer and
cfs_timer_t obd_recovery_timer;
time_t obd_recovery_start; /* seconds */
time_t obd_recovery_end; /* seconds, for lprocfs_status */
- time_t obd_recovery_time_hard;
+ int obd_recovery_time_hard;
int obd_recovery_timeout;
+ int obd_recovery_ir_factor;
/* new recovery stuff from CMD2 */
struct target_recovery_data obd_recovery_data;
#define KEY_REGISTER_TARGET "register_target"
#define KEY_REVIMP_UPD "revimp_update"
#define KEY_SET_FS "set_fs"
+#define KEY_TGT_COUNT "tgt_count"
/* KEY_SET_INFO in lustre_idl.h */
#define KEY_SPTLRPC_CONF "sptlrpc_conf"
#define KEY_CONNECT_FLAG "connect_flags"
#define KEY_SYNC_LOCK_CANCEL "sync_lock_cancel"
-
struct lu_context;
/* /!\ must be coherent with include/linux/namei.h on patched kernel */
#define IT_GETXATTR (1 << 7)
#define IT_EXEC (1 << 8)
#define IT_PIN (1 << 9)
+#define IT_LAYOUT (1 << 10)
static inline int it_to_lock_mode(struct lookup_intent *it)
{
/* CREAT needs to be tested before open (both could be set) */
if (it->it_op & IT_CREAT)
return LCK_CW;
- else if (it->it_op & (IT_READDIR | IT_GETATTR | IT_OPEN | IT_LOOKUP))
+ else if (it->it_op & (IT_READDIR | IT_GETATTR | IT_OPEN | IT_LOOKUP |
+ IT_LAYOUT))
return LCK_CR;
LASSERTF(0, "Invalid it_op: %d\n", it->it_op);
struct md_op_data mi_data;
struct lookup_intent mi_it;
struct lustre_handle mi_lockh;
- struct dentry *mi_dentry;
struct inode *mi_dir;
md_enqueue_cb_t mi_cb;
+ __u64 mi_cbdata;
unsigned int mi_generation;
- void *mi_cbdata;
};
struct obd_ops {
int (*o_punch)(struct obd_export *exp, struct obd_info *oinfo,
struct obd_trans_info *oti,
struct ptlrpc_request_set *rqset);
- int (*o_sync)(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_size start, obd_size end,
- void *capa);
+ int (*o_sync)(struct obd_export *exp, struct obd_info *oinfo,
+ obd_size start, obd_size end,
+ struct ptlrpc_request_set *set);
int (*o_migrate)(struct lustre_handle *conn, struct lov_stripe_md *dst,
struct lov_stripe_md *src, obd_size start,
obd_size end, struct obd_trans_info *oti);
int (*m_sync)(struct obd_export *, const struct lu_fid *,
struct obd_capa *, struct ptlrpc_request **);
int (*m_readpage)(struct obd_export *, const struct lu_fid *,
- struct obd_capa *, __u64, struct page *,
- struct ptlrpc_request **);
+ struct obd_capa *, __u64, struct page **,
+ unsigned, struct ptlrpc_request **);
int (*m_unlink)(struct obd_export *, struct md_op_data *,
struct ptlrpc_request **);
struct ptlrpc_request *);
int (*m_clear_open_replay_data)(struct obd_export *,
struct obd_client_handle *);
- int (*m_set_lock_data)(struct obd_export *, __u64 *, void *, __u32 *);
+ int (*m_set_lock_data)(struct obd_export *, __u64 *, void *, __u64 *);
ldlm_mode_t (*m_lock_match)(struct obd_export *, int,
const struct lu_fid *, ldlm_type_t,
struct ldlm_enqueue_info *);
int (*m_revalidate_lock)(struct obd_export *, struct lookup_intent *,
- struct lu_fid *);
+ struct lu_fid *, __u64 *bits);
/*
* NOTE: If adding ops, add another LPROCFS_MD_OP_INIT() line to
void (*lsm_stripe_by_offset)(struct lov_stripe_md *, int *, obd_off *,
obd_off *);
int (*lsm_lmm_verify) (struct lov_mds_md *lmm, int lmm_bytes,
- int *stripe_count);
+ __u16 *stripe_count);
int (*lsm_unpackmd) (struct lov_obd *lov, struct lov_stripe_md *lsm,
struct lov_mds_md *lmm);
};
extern void obdo_from_inode(struct obdo *dst, struct inode *src,
struct lu_fid *parent, obd_flag valid);
+/* return 1 if client should be resend request */
+static inline int client_should_resend(int resend, struct client_obd *cli)
+{
+ return cfs_atomic_read(&cli->cl_resends) ?
+ cfs_atomic_read(&cli->cl_resends) > resend : 1;
+}
+
+/**
+ * Return device name for this device
+ *
+ * XXX: lu_device is declared before obd_device, while a pointer pointing
+ * back to obd_device in lu_device, so this helper function defines here
+ * instead of in lu_object.h
+ */
+static inline const char *lu_dev_name(const struct lu_device *lu_dev)
+{
+ return lu_dev->ld_obd->obd_name;
+}
+
#endif /* __OBD_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff