X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre_log.h;h=eddaeefaf64330e1fe3c8ce1fd373f87fc5ed1f5;hb=a7a2133bfab42eba077f1b8d5c991c651c8028c3;hp=9e5d3ba5b38cf1e21b2e7d3630124f08d4495032;hpb=112a9a630f3f89b10f77a67df35233cfc4e23686;p=fs%2Flustre-release.git diff --git a/lustre/include/lustre_log.h b/lustre/include/lustre_log.h index 9e5d3ba..eddaeef 100644 --- a/lustre/include/lustre_log.h +++ b/lustre/include/lustre_log.h @@ -16,8 +16,8 @@ * in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU General Public License - * version 2 along with this program; If not, see [sun.com URL with a - * copy of GPLv2]. + * version 2 along with this program; If not, see + * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or @@ -124,6 +124,11 @@ struct llog_process_data { * 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 { @@ -157,14 +162,19 @@ int llog_cat_add_rec(struct llog_handle *cathandle, struct llog_rec_hdr *rec, 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 llog_cat_process(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(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 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 *); @@ -177,14 +187,14 @@ int llog_cancel(struct llog_ctxt *, struct lov_stripe_md *lsm, 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); + struct llog_logid *logid, const char *name); 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 count, struct obd_uuid *uuid); + 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); @@ -199,7 +209,7 @@ int llog_catalog_list(struct obd_device *obd, int count, /* 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, int count, +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); @@ -209,7 +219,7 @@ int llog_obd_repl_cancel(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 llog_obd_repl_connect(struct llog_ctxt *ctxt, int count, +int llog_obd_repl_connect(struct llog_ctxt *ctxt, struct llog_logid *logid, struct llog_gen *gen, struct obd_uuid *uuid); @@ -228,9 +238,9 @@ struct llog_operations { 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 (*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); + struct llog_logid *logid, const char *name); 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, @@ -238,7 +248,7 @@ struct llog_operations { struct llog_cookie *logcookies, int numcookies); int (*lop_cancel)(struct llog_ctxt *ctxt, struct lov_stripe_md *lsm, int count, struct llog_cookie *cookies, int flags); - int (*lop_connect)(struct llog_ctxt *ctxt, int count, + int (*lop_connect)(struct llog_ctxt *ctxt, struct llog_logid *logid, struct llog_gen *gen, struct obd_uuid *uuid); /* XXX add 2 more: commit callbacks and llog recovery functions */ @@ -247,7 +257,11 @@ struct llog_operations { /* llog_lvfs.c */ extern struct llog_operations llog_lvfs_ops; int llog_get_cat_list(struct obd_device *obd, struct obd_device *disk_obd, - char *name, int count, struct llog_catid *idarray); + char *name, int idx, int count, + struct llog_catid *idarray); + +int llog_put_cat_list(struct obd_device *obd, struct obd_device *disk_obd, + char *name, int idx, int count, struct llog_catid *idarray); struct llog_ctxt { int loc_idx; /* my index the obd array of ctxt's */ @@ -278,19 +292,44 @@ struct llog_commit_master { */ atomic_t lcm_count; /** - * Ptlrpc requests set. All cancel rpcs go via this request set. + * The refcount for lcm */ - struct ptlrpc_request_set *lcm_set; + 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. + */ + struct list_head 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) +{ + 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 @@ -309,6 +348,10 @@ struct llog_canceld_ctxt { */ int llcd_size; /** + * Link to lcm llcds list. + */ + struct list_head 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 @@ -323,20 +366,12 @@ struct llog_canceld_ctxt { /* 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, +extern void llog_recov_thread_stop(struct llog_commit_master *lcm, int force); -#ifndef __KERNEL__ - -#define cap_raise(c, flag) do {} while(0) - -#define CAP_SYS_RESOURCE 24 - -#endif /* !__KERNEL__ */ - static inline void llog_gen_init(struct llog_ctxt *ctxt) { struct obd_device *obd = ctxt->loc_exp->exp_obd; @@ -413,6 +448,7 @@ 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; } @@ -420,7 +456,7 @@ 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", @@ -435,7 +471,7 @@ static inline int llog_group_set_ctxt(struct obd_llog_group *olg, { LASSERT(index >= 0 && index < LLOG_MAX_CTXTS); - spin_lock(&olg->olg_lock); + spin_lock(&olg->olg_lock); if (olg->olg_ctxts[index] != NULL) { spin_unlock(&olg->olg_lock); return -EEXIST; @@ -452,7 +488,7 @@ static inline struct llog_ctxt *llog_group_get_ctxt(struct obd_llog_group *olg, LASSERT(index >= 0 && index < LLOG_MAX_CTXTS); - spin_lock(&olg->olg_lock); + spin_lock(&olg->olg_lock); if (olg->olg_ctxts[index] == NULL) { ctxt = NULL; } else { @@ -484,8 +520,7 @@ static inline int llog_write_rec(struct llog_handle *handle, int numcookies, void *buf, int idx) { struct llog_operations *lop; - __u32 cap; - int rc, buflen; + int raised, rc, buflen; ENTRY; rc = llog_handle2ops(handle, &lop); @@ -495,6 +530,7 @@ static inline int llog_write_rec(struct llog_handle *handle, 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); @@ -502,10 +538,12 @@ static inline int llog_write_rec(struct llog_handle *handle, buflen = rec->lrh_len; LASSERT(size_round(buflen) == buflen); - cap = current->cap_effective; - cap_raise(current->cap_effective, CAP_SYS_RESOURCE); + raised = cfs_cap_raised(CFS_CAP_SYS_RESOURCE); + if (!raised) + cfs_cap_raise(CFS_CAP_SYS_RESOURCE); rc = lop->lop_write_rec(handle, rec, logcookies, numcookies, buf, idx); - current->cap_effective = cap; + if (!raised) + cfs_cap_lower(CFS_CAP_SYS_RESOURCE); RETURN(rc); } @@ -601,8 +639,7 @@ static inline int llog_create(struct llog_ctxt *ctxt, struct llog_handle **res, struct llog_logid *logid, char *name) { struct llog_operations *lop; - __u32 cap; - int rc; + int raised, rc; ENTRY; rc = llog_obd2ops(ctxt, &lop); @@ -611,14 +648,16 @@ static inline int llog_create(struct llog_ctxt *ctxt, struct llog_handle **res, if (lop->lop_create == NULL) RETURN(-EOPNOTSUPP); - cap = current->cap_effective; - cap_raise(current->cap_effective, CAP_SYS_RESOURCE); + raised = cfs_cap_raised(CFS_CAP_SYS_RESOURCE); + if (!raised) + cfs_cap_raise(CFS_CAP_SYS_RESOURCE); rc = lop->lop_create(ctxt, res, logid, name); - current->cap_effective = cap; + if (!raised) + cfs_cap_lower(CFS_CAP_SYS_RESOURCE); RETURN(rc); } -static inline int llog_connect(struct llog_ctxt *ctxt, int count, +static inline int llog_connect(struct llog_ctxt *ctxt, struct llog_logid *logid, struct llog_gen *gen, struct obd_uuid *uuid) { @@ -632,7 +671,7 @@ static inline int llog_connect(struct llog_ctxt *ctxt, int count, if (lop->lop_connect == NULL) RETURN(-EOPNOTSUPP); - rc = lop->lop_connect(ctxt, count, logid, gen, uuid); + rc = lop->lop_connect(ctxt, logid, gen, uuid); RETURN(rc); }