* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* logid's by non-zero ogen (inode generation) and convert them
* into IGIF */
if (id->lgl_ogen == 0) {
- fid->f_seq = id->lgl_oseq;
- fid->f_oid = id->lgl_oid;
+ fid->f_seq = id->lgl_oi.oi.oi_seq;
+ fid->f_oid = id->lgl_oi.oi.oi_id;
fid->f_ver = 0;
} else {
- lu_igif_build(fid, id->lgl_oid, id->lgl_ogen);
+ lu_igif_build(fid, id->lgl_oi.oi.oi_id, id->lgl_ogen);
}
}
static inline void fid_to_logid(struct lu_fid *fid, struct llog_logid *id)
{
- id->lgl_oseq = fid->f_seq;
- id->lgl_oid = fid->f_oid;
+ id->lgl_oi.oi.oi_seq = fid->f_seq;
+ id->lgl_oi.oi.oi_id = fid->f_oid;
id->lgl_ogen = 0;
}
+static inline void logid_set_id(struct llog_logid *log_id, __u64 id)
+{
+ log_id->lgl_oi.oi.oi_id = id;
+}
+
+static inline __u64 logid_id(struct llog_logid *log_id)
+{
+ return log_id->lgl_oi.oi.oi_id;
+}
+
struct llog_handle;
/* llog.c - general API */
int llog_init_handle(const struct lu_env *env, struct llog_handle *handle,
int flags, struct obd_uuid *uuid);
+int llog_copy_handler(const struct lu_env *env, struct llog_handle *llh,
+ struct llog_rec_hdr *rec, void *data);
int llog_process(const struct lu_env *env, struct llog_handle *loghandle,
llog_cb_t cb, void *data, void *catdata);
int llog_process_or_fork(const struct lu_env *env,
struct llog_handle **lgh, struct llog_logid *logid,
char *name, enum llog_open_param open_param);
int llog_close(const struct lu_env *env, struct llog_handle *cathandle);
-int llog_get_size(struct llog_handle *loghandle);
+int llog_is_empty(const struct lu_env *env, struct llog_ctxt *ctxt,
+ char *name);
+int llog_backup(const struct lu_env *env, struct obd_device *obd,
+ struct llog_ctxt *ctxt, struct llog_ctxt *bak_ctxt,
+ char *name, char *backup);
/* llog_process flags */
#define LLOG_FLAG_NODEAMON 0x0001
int lpcd_last_idx;
};
-struct llog_process_cat_args {
- /**
- * Llog context used in recovery thread on OST (recov_thread.c)
- */
- struct llog_ctxt *lpca_ctxt;
- /**
- * Llog callback used in recovery thread on OST (recov_thread.c)
- */
- void *lpca_cb;
- /**
- * Data pointer for llog callback.
- */
- void *lpca_arg;
-};
-
int llog_cat_close(const struct lu_env *env, struct llog_handle *cathandle);
int llog_cat_add_rec(const struct lu_env *env, struct llog_handle *cathandle,
struct llog_rec_hdr *rec, struct llog_cookie *reccookie,
void *data, int startcat, int startidx, bool fork);
int llog_cat_process(const struct lu_env *env, struct llog_handle *cat_llh,
llog_cb_t cb, void *data, int startcat, int startidx);
-int llog_cat_process_thread(void *data);
int llog_cat_reverse_process(const struct lu_env *env,
struct llog_handle *cat_llh, llog_cb_t cb,
void *data);
int llog_cancel(const struct lu_env *env, struct llog_ctxt *ctxt,
struct lov_stripe_md *lsm, int count,
struct llog_cookie *cookies, int flags);
-int llog_obd_origin_add(const struct lu_env *env, struct llog_ctxt *ctxt,
- struct llog_rec_hdr *rec, struct lov_stripe_md *lsm,
- struct llog_cookie *logcookies, int numcookies);
int obd_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
struct obd_device *disk_obd, int *idx);
/* llog_ioctl.c */
int llog_ioctl(const struct lu_env *env, struct llog_ctxt *ctxt, int cmd,
struct obd_ioctl_data *data);
-int llog_catalog_list(struct obd_device *obd, int count,
- struct obd_ioctl_data *data);
/* llog_net.c */
int llog_initiator_connect(struct llog_ctxt *ctxt);
-int llog_receptor_accept(struct llog_ctxt *ctxt, struct obd_import *imp);
-int llog_origin_connect(struct llog_ctxt *ctxt,
- struct llog_logid *logid, struct llog_gen *gen,
- struct obd_uuid *uuid);
-int llog_handle_connect(struct ptlrpc_request *req);
-
-/* recov_thread.c */
-int llog_obd_repl_cancel(const struct lu_env *env, struct llog_ctxt *ctxt,
- struct lov_stripe_md *lsm, int count,
- struct llog_cookie *cookies, int flags);
-int llog_obd_repl_sync(struct llog_ctxt *ctxt, struct obd_export *exp,
- int flags);
-int llog_obd_repl_connect(struct llog_ctxt *ctxt,
- struct llog_logid *logid, struct llog_gen *gen,
- struct obd_uuid *uuid);
struct llog_operations {
int (*lop_destroy)(const struct lu_env *env,
char *lgh_name;
void *private_data;
struct llog_operations *lgh_logops;
+ cfs_atomic_t lgh_refcount;
};
/* llog_lvfs.c */
extern struct llog_operations llog_lvfs_ops;
-int llog_get_cat_list(struct obd_device *disk_obd,
- char *name, int idx, int count,
- struct llog_catid *idarray);
-
-int llog_put_cat_list(struct obd_device *disk_obd,
- char *name, int idx, int count, struct llog_catid *idarray);
/* llog_osd.c */
extern struct llog_operations llog_osd_ops;
int llog_osd_get_cat_list(const struct lu_env *env, struct dt_device *d,
- int idx, int count, struct llog_catid *idarray);
+ int idx, int count,
+ struct llog_catid *idarray);
int llog_osd_put_cat_list(const struct lu_env *env, struct dt_device *d,
- int idx, int count, struct llog_catid *idarray);
+ int idx, int count,
+ struct llog_catid *idarray);
#define LLOG_CTXT_FLAG_UNINITIALIZED 0x00000001
#define LLOG_CTXT_FLAG_STOP 0x00000002
struct llog_ctxt {
int loc_idx; /* my index the obd array of ctxt's */
- struct llog_gen loc_gen;
struct obd_device *loc_obd; /* points back to the containing obd*/
struct obd_llog_group *loc_olg; /* group containing that ctxt */
struct obd_export *loc_exp; /* parent "disk" export (e.g. MDS) */
pointing import */
struct llog_operations *loc_logops;
struct llog_handle *loc_handle;
- struct llog_commit_master *loc_lcm;
- struct llog_canceld_ctxt *loc_llcd;
- struct mutex loc_mutex; /* protect loc_llcd and loc_imp */
+ struct mutex loc_mutex; /* protect loc_imp */
cfs_atomic_t loc_refcount;
- void *llog_proc_cb;
long loc_flags; /* flags, see above defines */
struct dt_object *loc_dir;
};
-#define LCM_NAME_SIZE 64
-
-struct llog_commit_master {
- /**
- * Thread control flags (start, stop, etc.)
- */
- long lcm_flags;
- /**
- * Number of llcds onthis lcm.
- */
- cfs_atomic_t lcm_count;
- /**
- * The refcount for lcm
- */
- cfs_atomic_t lcm_refcount;
- /**
- * Thread control structure. Used for control commit thread.
- */
- struct ptlrpcd_ctl lcm_pc;
- /**
- * Lock protecting list of llcds.
- */
- spinlock_t lcm_lock;
- /**
- * Llcds in flight for debugging purposes.
- */
- cfs_list_t lcm_llcds;
- /**
- * Commit thread name buffer. Only used for thread start.
- */
- char lcm_name[LCM_NAME_SIZE];
-};
-
-static inline struct llog_commit_master
-*lcm_get(struct llog_commit_master *lcm)
-{
- cfs_atomic_inc(&lcm->lcm_refcount);
- return lcm;
-}
-
-static inline void
-lcm_put(struct llog_commit_master *lcm)
-{
- LASSERT_ATOMIC_POS(&lcm->lcm_refcount);
- if (cfs_atomic_dec_and_test(&lcm->lcm_refcount))
- OBD_FREE_PTR(lcm);
-}
-
-struct llog_canceld_ctxt {
- /**
- * Llog context this llcd is attached to. Used for accessing
- * ->loc_import and others in process of canceling cookies
- * gathered in this llcd.
- */
- struct llog_ctxt *llcd_ctxt;
- /**
- * Cancel thread control stucture pointer. Used for accessing
- * it to see if should stop processing and other needs.
- */
- struct llog_commit_master *llcd_lcm;
- /**
- * Maximal llcd size. Used in calculations on how much of room
- * left in llcd to cookie comming cookies.
- */
- int llcd_size;
- /**
- * Link to lcm llcds list.
- */
- cfs_list_t llcd_list;
- /**
- * Current llcd size while gathering cookies. This should not be
- * more than ->llcd_size. Used for determining if we need to
- * send this llcd (if full) and allocate new one. This is also
- * used for copying new cookie at the end of buffer.
- */
- int llcd_cookiebytes;
- /**
- * Pointer to the start of cookies buffer.
- */
- struct llog_cookie llcd_cookies[0];
-};
-
-/* ptlrpc/recov_thread.c */
-extern struct llog_commit_master *llog_recov_thread_init(char *name);
-extern void llog_recov_thread_fini(struct llog_commit_master *lcm,
- int force);
-extern int llog_recov_thread_start(struct llog_commit_master *lcm);
-extern void llog_recov_thread_stop(struct llog_commit_master *lcm,
- int force);
-
-static inline void llog_gen_init(struct llog_ctxt *ctxt)
-{
- struct obd_device *obd = ctxt->loc_exp->exp_obd;
-
- LASSERTF(obd->u.obt.obt_magic == OBT_MAGIC,
- "%s: wrong obt magic %#x\n",
- obd->obd_name, obd->u.obt.obt_magic);
- ctxt->loc_gen.mnt_cnt = obd->u.obt.obt_mount_count;
- ctxt->loc_gen.conn_cnt++;
-}
-
-static inline int llog_gen_lt(struct llog_gen a, struct llog_gen b)
-{
- if (a.mnt_cnt < b.mnt_cnt)
- return 1;
- if (a.mnt_cnt > b.mnt_cnt)
- return 0;
- return(a.conn_cnt < b.conn_cnt ? 1 : 0);
-}
-
#define LLOG_PROC_BREAK 0x0001
#define LLOG_DEL_RECORD 0x0002
return cfs_size_round(len);
}
+static inline int llog_get_size(struct llog_handle *loghandle)
+{
+ if (loghandle && loghandle->lgh_hdr)
+ return loghandle->lgh_hdr->llh_count;
+ return 0;
+}
+
static inline struct llog_ctxt *llog_ctxt_get(struct llog_ctxt *ctxt)
{
cfs_atomic_inc(&ctxt->loc_refcount);
olg->olg_seq = group;
}
-static inline void llog_group_set_export(struct obd_llog_group *olg,
- struct obd_export *exp)
-{
- LASSERT(exp != NULL);
-
- spin_lock(&olg->olg_lock);
- if (olg->olg_exp != NULL && olg->olg_exp != exp)
- CWARN("%s: export for group %d is changed: 0x%p -> 0x%p\n",
- exp->exp_obd->obd_name, olg->olg_seq,
- olg->olg_exp, exp);
- olg->olg_exp = exp;
- spin_unlock(&olg->olg_lock);
-}
-
static inline int llog_group_set_ctxt(struct obd_llog_group *olg,
struct llog_ctxt *ctxt, int index)
{
git://git.whamcloud.com / fs / lustre-release.git / blobdiff