* in catalog.
*/
llog_cb_t lpd_cb;
- /**
- * Start processing the catalog from startcat/startidx
- */
- int lpd_startcat;
- int lpd_startidx;
};
struct llog_process_cat_data {
struct llog_cookie *reccookie, void *buf);
int llog_cat_cancel_records(struct llog_handle *cathandle, int count,
struct llog_cookie *cookies);
-int llog_cat_process(struct llog_handle *cat_llh, llog_cb_t cb, void *data,
- int startcat, int startidx);
+int llog_cat_process(struct llog_handle *cat_llh, llog_cb_t cb, void *data);
int llog_cat_process_thread(void *data);
int llog_cat_reverse_process(struct llog_handle *cat_llh, llog_cb_t cb, void *data);
int llog_cat_set_first_idx(struct llog_handle *cathandle, int index);
/* llog_obd.c */
-int llog_setup_named(struct obd_device *obd, struct obd_llog_group *olg,
- int index, struct obd_device *disk_obd, int count,
- struct llog_logid *logid, const char *logname,
- struct llog_operations *op);
-int llog_setup(struct obd_device *obd, struct obd_llog_group *olg, int index,
- struct obd_device *disk_obd, int count, struct llog_logid *logid,
- struct llog_operations *op);
+int llog_setup(struct obd_device *obd, int index, struct obd_device *disk_obd,
+ int count, struct llog_logid *logid,struct llog_operations *op);
int __llog_ctxt_put(struct llog_ctxt *ctxt);
int llog_cleanup(struct llog_ctxt *);
int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp);
int llog_cancel(struct llog_ctxt *, struct lov_stripe_md *lsm,
int count, struct llog_cookie *cookies, int flags);
-int llog_obd_origin_setup(struct obd_device *obd, struct obd_llog_group *olg,
- int index, struct obd_device *disk_obd, int count,
- struct llog_logid *logid, const char *name);
+int llog_obd_origin_setup(struct obd_device *obd, int index,
+ struct obd_device *disk_obd, int count,
+ struct llog_logid *logid);
int llog_obd_origin_cleanup(struct llog_ctxt *ctxt);
int llog_obd_origin_add(struct llog_ctxt *ctxt,
struct llog_rec_hdr *rec, struct lov_stripe_md *lsm,
struct llog_cookie *logcookies, int numcookies);
-int llog_cat_initialize(struct obd_device *obd, struct obd_llog_group *olg,
- int idx, struct obd_uuid *uuid);
-int obd_llog_init(struct obd_device *obd, struct obd_llog_group *olg,
- struct obd_device *disk_obd, int count,
- struct llog_catid *logid, struct obd_uuid *uuid);
+int obd_llog_init(struct obd_device *obd, struct obd_device *disk_obd,
+ int *idx);
int obd_llog_finish(struct obd_device *obd, int count);
int (*lop_close)(struct llog_handle *handle);
int (*lop_read_header)(struct llog_handle *handle);
- int (*lop_setup)(struct obd_device *obd, struct obd_llog_group *olg,
- int ctxt_idx, struct obd_device *disk_obd, int count,
- struct llog_logid *logid, const char *name);
+ int (*lop_setup)(struct obd_device *obd, int ctxt_idx,
+ struct obd_device *disk_obd, int count,
+ struct llog_logid *logid);
int (*lop_sync)(struct llog_ctxt *ctxt, struct obd_export *exp);
int (*lop_cleanup)(struct llog_ctxt *ctxt);
int (*lop_add)(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
int llog_put_cat_list(struct obd_device *obd, struct obd_device *disk_obd,
char *name, int idx, int count, struct llog_catid *idarray);
+#define LLOG_CTXT_FLAG_UNINITIALIZED 0x00000001
+
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) */
struct obd_import *loc_imp; /* to use in RPC's: can be backward
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 semaphore loc_sem; /* protects loc_llcd and loc_imp */
atomic_t loc_refcount;
+ struct llog_commit_master *loc_lcm;
void *llog_proc_cb;
+ long loc_flags; /* flags, see above defines */
};
#define LCM_NAME_SIZE 64
*/
atomic_t lcm_count;
/**
- * The refcount for lcm
- */
- atomic_t lcm_refcount;
- /**
* Thread control structure. Used for control commit thread.
*/
struct ptlrpcd_ctl lcm_pc;
char lcm_name[LCM_NAME_SIZE];
};
-static inline struct llog_commit_master
-*lcm_get(struct llog_commit_master *lcm)
-{
- LASSERT(atomic_read(&lcm->lcm_refcount) > 0);
- atomic_inc(&lcm->lcm_refcount);
- return lcm;
-}
-
-static inline void
-lcm_put(struct llog_commit_master *lcm)
-{
- if (!atomic_dec_and_test(&lcm->lcm_refcount)) {
- return ;
- }
- OBD_FREE_PTR(lcm);
-}
-
struct llog_canceld_ctxt {
/**
* Llog context this llcd is attached to. Used for accessing
/* 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,
+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);
+extern void llog_recov_thread_stop(struct llog_commit_master *lcm,
+ int force);
static inline void llog_gen_init(struct llog_ctxt *ctxt)
{
return size_round(len);
}
-static inline struct llog_ctxt *llog_ctxt_get(struct llog_ctxt *ctxt)
-{
- LASSERT(atomic_read(&ctxt->loc_refcount) > 0);
- atomic_inc(&ctxt->loc_refcount);
- CDEBUG(D_INFO, "GETting ctxt %p : new refcount %d\n", ctxt,
- atomic_read(&ctxt->loc_refcount));
- return ctxt;
-}
-
-static inline void llog_ctxt_put(struct llog_ctxt *ctxt)
-{
- if (ctxt == NULL)
- return;
- LASSERT(atomic_read(&ctxt->loc_refcount) > 0);
- LASSERT(atomic_read(&ctxt->loc_refcount) < 0x5a5a5a);
- CDEBUG(D_INFO, "PUTting ctxt %p : new refcount %d\n", ctxt,
- atomic_read(&ctxt->loc_refcount) - 1);
- __llog_ctxt_put(ctxt);
-}
-
-static inline void llog_group_init(struct obd_llog_group *olg, int group)
-{
- cfs_waitq_init(&olg->olg_waitq);
- spin_lock_init(&olg->olg_lock);
- sema_init(&olg->olg_cat_processing, 1);
- olg->olg_group = 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_group,
- 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)
-{
- LASSERT(index >= 0 && index < LLOG_MAX_CTXTS);
-
- spin_lock(&olg->olg_lock);
- if (olg->olg_ctxts[index] != NULL) {
- spin_unlock(&olg->olg_lock);
- return -EEXIST;
- }
- olg->olg_ctxts[index] = ctxt;
- spin_unlock(&olg->olg_lock);
- return 0;
-}
-
-static inline struct llog_ctxt *llog_group_get_ctxt(struct obd_llog_group *olg,
- int index)
-{
- struct llog_ctxt *ctxt;
-
- LASSERT(index >= 0 && index < LLOG_MAX_CTXTS);
-
- spin_lock(&olg->olg_lock);
- if (olg->olg_ctxts[index] == NULL) {
- ctxt = NULL;
- } else {
- ctxt = llog_ctxt_get(olg->olg_ctxts[index]);
- }
- spin_unlock(&olg->olg_lock);
- return ctxt;
-}
+#define llog_ctxt_get(ctxt) \
+({ \
+ struct llog_ctxt *ctxt_ = ctxt; \
+ LASSERT(atomic_read(&ctxt_->loc_refcount) > 0); \
+ atomic_inc(&ctxt_->loc_refcount); \
+ CDEBUG(D_INFO, "GETting ctxt %p : new refcount %d\n", ctxt_, \
+ atomic_read(&ctxt_->loc_refcount)); \
+ ctxt_; \
+})
+
+#define llog_ctxt_put(ctxt) \
+do { \
+ if ((ctxt) == NULL) \
+ break; \
+ LASSERT(atomic_read(&(ctxt)->loc_refcount) > 0); \
+ LASSERT(atomic_read(&(ctxt)->loc_refcount) < 0x5a5a5a); \
+ CDEBUG(D_INFO, "PUTting ctxt %p : new refcount %d\n", (ctxt), \
+ atomic_read(&(ctxt)->loc_refcount) - 1); \
+ __llog_ctxt_put(ctxt); \
+} while (0)
static inline struct llog_ctxt *llog_get_context(struct obd_device *obd,
- int index)
+ int index)
{
- return llog_group_get_ctxt(&obd->obd_olg, index);
-}
-
-static inline int llog_group_ctxt_null(struct obd_llog_group *olg, int index)
-{
- return (olg->olg_ctxts[index] == NULL);
+ struct llog_ctxt *ctxt;
+
+ if (index < 0 || index >= LLOG_MAX_CTXTS) {
+ CDEBUG(D_INFO, "obd %p bad index %d\n", obd, index);
+ return NULL;
+ }
+
+ spin_lock(&obd->obd_dev_lock);
+ if (obd->obd_llog_ctxt[index] == NULL) {
+ spin_unlock(&obd->obd_dev_lock);
+ CDEBUG(D_INFO,"obd %p and ctxt index %d is NULL \n",obd,index);
+ return NULL;
+ }
+ ctxt = llog_ctxt_get(obd->obd_llog_ctxt[index]);
+ spin_unlock(&obd->obd_dev_lock);
+ return ctxt;
}
static inline int llog_ctxt_null(struct obd_device *obd, int index)
{
- return (llog_group_ctxt_null(&obd->obd_olg, index));
+ return (obd->obd_llog_ctxt[index] == NULL);
}
static inline int llog_write_rec(struct llog_handle *handle,
rc = llog_handle2ops(handle, &lop);
if (rc)
RETURN(rc);
- LASSERT(lop);
if (lop->lop_write_rec == NULL)
RETURN(-EOPNOTSUPP);
- /* FIXME: Why doesn't caller just set the right lrh_len itself? */
if (buf)
buflen = rec->lrh_len + sizeof(struct llog_rec_hdr)
+ sizeof(struct llog_rec_tail);
raised = cfs_cap_raised(CFS_CAP_SYS_RESOURCE);
if (!raised)
- cfs_cap_raise(CFS_CAP_SYS_RESOURCE);
+ cfs_cap_raise(CFS_CAP_SYS_RESOURCE);
rc = lop->lop_write_rec(handle, rec, logcookies, numcookies, buf, idx);
if (!raised)
- cfs_cap_lower(CFS_CAP_SYS_RESOURCE);
+ cfs_cap_lower(CFS_CAP_SYS_RESOURCE);
RETURN(rc);
}