#define LOG_NAME_LIMIT(logname, name) \
snprintf(logname, sizeof(logname), "LOGS/%s", name)
+#define LLOG_EEMPTY 4711
struct obd_llogs;
} u;
};
-#define LLOG_EEMPTY 4711
+/* got from mds_update_record.
+ * FIXME: maybe some attribute in reint_record and update_record will be
+ * changed later. */
+/* XXX BUG 3188 -- must return to one set of structures. */
+/* XXX use fixed-sized fields (__u32) instead of dev_t and iattr->gid_t, etc */
+
+struct update_record {
+ __u32 ur_opcode;
+ __u32 ur_fsuid;
+ __u32 ur_fsgid;
+ dev_t ur_rdev;
+ struct iattr ur_iattr;
+ struct iattr ur_pattr;
+ __u32 ur_flags;
+ __u32 ur_len;
+};
+
+struct reint_record {
+ struct update_record u_rec;
+ char *rec_data1;
+ int rec1_size;
+ char *rec_data2;
+ int rec2_size;
+};
+
+struct llog_smfs_rec {
+ struct llog_rec_hdr lsr_hdr;
+ struct update_record lsr_rec;
+ struct llog_rec_tail lsr_tail;
+};
/* llog.c - general API */
typedef int (*llog_cb_t)(struct llog_handle *, struct llog_rec_hdr *, void *);
+struct llog_handle *llog_alloc_handle(void);
+void llog_free_handle(struct llog_handle *handle);
+int llog_cancel_rec(struct llog_handle *loghandle, int index);
int llog_init_handle(struct llog_handle *handle, int flags,
struct obd_uuid *uuid);
+int llog_close(struct llog_handle *cathandle);
int llog_process(struct llog_handle *loghandle, llog_cb_t cb,
void *data, void *catdata);
-extern struct llog_handle *llog_alloc_handle(void);
-extern void llog_free_handle(struct llog_handle *handle);
-extern int llog_close(struct llog_handle *cathandle);
-extern int llog_cancel_rec(struct llog_handle *loghandle, int index);
+int llog_reverse_process(struct llog_handle *loghandle, llog_cb_t cb,
+ void *data, void *catdata);
/* llog_cat.c - catalog api */
struct llog_process_data {
struct llog_process_cat_data {
int first_idx;
int last_idx;
- /* to process catlog across zero record */
+ /* to process catalog across zero record */
};
+int llog_cat_id2handle(struct llog_handle *cathandle, struct llog_handle **res,
+ struct llog_logid *logid);
int llog_cat_put(struct llog_handle *cathandle);
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_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(struct obd_device *, struct obd_llogs *, int, struct obd_device *,
- int, struct llog_logid *, struct llog_operations *);
-int llog_cleanup(struct llog_ctxt *);
-int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp);
-int llog_add(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
- struct lov_stripe_md *lsm, struct llog_cookie *logcookies,
- int numcookies);
-int llog_cancel(struct llog_ctxt *, struct lov_stripe_md *lsm,
- int count, struct llog_cookie *cookies, int flags);
+int llog_catalog_add(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
+ void *buf, struct llog_cookie *reccookie, int, void *data);
+int llog_catalog_cancel(struct llog_ctxt *ctxt, int count, struct llog_cookie *,
+ int flags, void *data);
+int llog_catalog_setup(struct llog_ctxt **res, char *name, struct obd_export *exp,
+ struct lvfs_run_ctxt *, struct fsfilt_operations *fsops,
+ struct dentry *logs_de, struct dentry *objects_de);
+int llog_catalog_cleanup(struct llog_ctxt *ctxt);
+int llog_cat_half_bottom(struct llog_cookie *, struct llog_handle *);
+
+/* llog_lvfs.c */
+int llog_get_cat_list(struct lvfs_run_ctxt *, struct fsfilt_operations *,
+ char *name, int count, struct llog_catid *idarray);
+int llog_put_cat_list(struct lvfs_run_ctxt *, struct fsfilt_operations *,
+ char *name, int count, struct llog_catid *idarray);
+extern struct llog_operations llog_lvfs_ops;
int llog_obd_origin_setup(struct obd_device *, struct obd_llogs *, int,
struct obd_device *, int, struct llog_logid *);
struct llog_rec_hdr *rec, struct lov_stripe_md *lsm,
struct llog_cookie *logcookies, int numcookies);
-int llog_cat_initialize(struct obd_device *, struct obd_llogs *, int);
+int obd_llog_cat_initialize(struct obd_device *, struct obd_llogs *, int, char *);
+
+/* llog_obd.c - obd llog api */
+int obd_llog_setup(struct obd_device *obd, struct obd_llogs *, int index,
+ struct obd_device *disk_obd, int count, struct llog_logid *logid,
+ struct llog_operations *op);
int obd_llog_init(struct obd_device *, struct obd_llogs *, struct obd_device *,
int, struct llog_catid *);
+int obd_llog_cleanup(struct llog_ctxt *);
int obd_llog_finish(struct obd_device *, struct obd_llogs *, int);
/* llog_ioctl.c */
int llog_ioctl(struct llog_ctxt *ctxt, int cmd, struct obd_ioctl_data *data);
-int llog_catlog_list(struct obd_device *obd, int count,
+int llog_catalog_list(struct obd_device *obd, int count,
struct obd_ioctl_data *data);
/* llog_net.c */
int llog_handle_connect(struct ptlrpc_request *req);
/* recov_thread.c */
-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_cancel(struct llog_ctxt *ctxt, int count,
+ struct llog_cookie *cookies, int flags, void *data);
+
int llog_obd_repl_sync(struct llog_ctxt *ctxt, struct obd_export *exp);
int llog_repl_connect(struct llog_ctxt *ctxt, int count,
struct llog_logid *logid, struct llog_gen *gen,
struct obd_uuid *uuid);
struct llog_operations {
+ int (*lop_setup)(struct obd_device *, struct obd_llogs *, int,
+ struct obd_device *, int, struct llog_logid *);
+
+ int (*lop_cleanup)(struct llog_ctxt *ctxt);
+ int (*lop_create)(struct llog_ctxt *ctxt, struct llog_handle **,
+ struct llog_logid *logid, char *name);
+ int (*lop_destroy)(struct llog_handle *handle);
+ int (*lop_close)(struct llog_handle *handle);
+
+ int (*lop_read_header)(struct llog_handle *handle);
+ int (*lop_add)(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
+ void *buf, struct llog_cookie *logcookies,
+ int numcookies, void *data);
+ int (*lop_cancel)(struct llog_ctxt *ctxt, int count,
+ struct llog_cookie *cookies, int flags, void *data);
int (*lop_write_rec)(struct llog_handle *loghandle,
struct llog_rec_hdr *rec,
struct llog_cookie *logcookies, int numcookies,
void *, int idx);
- int (*lop_destroy)(struct llog_handle *handle);
int (*lop_next_block)(struct llog_handle *h, int *curr_idx,
int next_idx, __u64 *offset, void *buf, int len);
- int (*lop_create)(struct llog_ctxt *ctxt, struct llog_handle **,
- struct llog_logid *logid, char *name);
- int (*lop_close)(struct llog_handle *handle);
- int (*lop_read_header)(struct llog_handle *handle);
+ int (*lop_prev_block)(struct llog_handle *h,
+ int prev_idx, void *buf, int len);
- int (*lop_setup)(struct obd_device *, struct obd_llogs *, int,
- struct obd_device *, int, struct llog_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,
- struct lov_stripe_md *lsm,
- 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,
struct llog_logid *logid, struct llog_gen *gen,
struct obd_uuid *uuid);
- /* XXX add 2 more: commit callbacks and llog recovery functions */
};
-/* 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);
-
struct llog_ctxt {
- int loc_idx; /* my index the obd array of ctxt's */
+ /* needed for lvfs based log */
+ struct llog_handle *loc_handle;
+ struct llog_operations *loc_logops;
+ struct fsfilt_operations *loc_fsops;
+ struct dentry *loc_logs_dir;
+ struct dentry *loc_objects_dir;
+ struct lvfs_run_ctxt *loc_lvfs_ctxt;
+
+ struct obd_device *loc_obd; /* points back to the containing obd */
struct llog_gen loc_gen;
- struct obd_device *loc_obd; /* points back to the containing obd*/
+ int loc_idx; /* my index the obd array of ctxt's */
+ int loc_alone; /* is this llog ctxt has an obd? */
+
struct obd_export *loc_exp;
- 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 obd_import *loc_imp; /* to use in RPC's: can be backward
+ pointing import */
struct llog_canceld_ctxt *loc_llcd;
- struct semaphore loc_sem; /* protects loc_llcd */
+ struct semaphore loc_sem; /* protects loc_llcd */
void *llog_proc_cb;
struct obd_llogs *loc_llogs;
};
#define LLOG_GEN_INC(gen) ((gen).conn_cnt) ++
#define LLOG_PROC_BREAK 0x0001
+#define LLOG_DEL_RECORD 0x0002
-static inline int llog_obd2ops(struct llog_ctxt *ctxt,
+static inline int llog_ctxt2ops(struct llog_ctxt *ctxt,
struct llog_operations **lop)
{
- if (ctxt == NULL)
+ if (ctxt == NULL)
return -ENOTCONN;
*lop = ctxt->loc_logops;
if (loghandle == NULL)
return -EINVAL;
- return llog_obd2ops(loghandle->lgh_ctxt, lop);
+ return llog_ctxt2ops(loghandle->lgh_ctxt, lop);
}
static inline int llog_data_len(int len)
return llogs->llog_ctxt[index];
}
-static inline int llog_write_rec(struct llog_handle *handle,
- struct llog_rec_hdr *rec,
- struct llog_cookie *logcookies,
- int numcookies, void *buf, int idx)
+static inline int llog_create(struct llog_ctxt *ctxt, struct llog_handle **res,
+ struct llog_logid *logid, char *name)
{
struct llog_operations *lop;
- int rc, buflen;
+ int rc;
ENTRY;
- rc = llog_handle2ops(handle, &lop);
+ rc = llog_ctxt2ops(ctxt, &lop);
if (rc)
RETURN(rc);
- if (lop->lop_write_rec == NULL)
+ if (lop->lop_create == NULL)
RETURN(-EOPNOTSUPP);
- if (buf)
- buflen = rec->lrh_len + sizeof(struct llog_rec_hdr)
- + sizeof(struct llog_rec_tail);
- else
- buflen = rec->lrh_len;
- LASSERT(size_round(buflen) == buflen);
+ rc = lop->lop_create(ctxt, res, logid, name);
+ RETURN(rc);
+}
- rc = lop->lop_write_rec(handle, rec, logcookies, numcookies, buf, idx);
+static inline int llog_destroy(struct llog_handle *handle)
+{
+ struct llog_operations *lop;
+ int rc;
+ ENTRY;
+
+ rc = llog_handle2ops(handle, &lop);
+ if (rc)
+ RETURN(rc);
+ if (lop->lop_destroy == NULL)
+ RETURN(-EOPNOTSUPP);
+
+ rc = lop->lop_destroy(handle);
RETURN(rc);
}
RETURN(rc);
}
-static inline int llog_destroy(struct llog_handle *handle)
+static inline int llog_add(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
+ void *buf, struct llog_cookie *logcookies,
+ int numcookies, void *data)
{
struct llog_operations *lop;
int rc;
ENTRY;
- rc = llog_handle2ops(handle, &lop);
+ rc = llog_ctxt2ops(ctxt, &lop);
if (rc)
RETURN(rc);
- if (lop->lop_destroy == NULL)
+ if (lop->lop_add == NULL)
RETURN(-EOPNOTSUPP);
- rc = lop->lop_destroy(handle);
+ rc = lop->lop_add(ctxt, rec, buf, logcookies, numcookies, data);
RETURN(rc);
}
-#if 0
-static inline int llog_cancel(struct obd_export *exp,
- struct lov_stripe_md *lsm, int count,
- struct llog_cookie *cookies, int flags)
+static inline int llog_cancel(struct llog_ctxt *ctxt, int count,
+ struct llog_cookie *cookies, int flags, void *data)
{
struct llog_operations *lop;
int rc;
ENTRY;
- rc = llog_handle2ops(loghandle, &lop);
+ rc = llog_ctxt2ops(ctxt, &lop);
if (rc)
RETURN(rc);
if (lop->lop_cancel == NULL)
RETURN(-EOPNOTSUPP);
- rc = lop->lop_cancel(exp, lsm, count, cookies, flags);
+ rc = lop->lop_cancel(ctxt, count, cookies, flags, data);
RETURN(rc);
}
-#endif
-static inline int llog_next_block(struct llog_handle *loghandle, int *cur_idx,
- int next_idx, __u64 *cur_offset, void *buf,
+static inline int llog_write_rec(struct llog_handle *handle,
+ struct llog_rec_hdr *rec,
+ struct llog_cookie *logcookies,
+ int numcookies, void *buf, int idx)
+{
+ struct llog_operations *lop;
+ int rc, buflen;
+ ENTRY;
+
+ rc = llog_handle2ops(handle, &lop);
+ if (rc)
+ RETURN(rc);
+ if (lop->lop_write_rec == NULL)
+ RETURN(-EOPNOTSUPP);
+
+ if (buf)
+ buflen = le32_to_cpu(rec->lrh_len) + sizeof(struct llog_rec_hdr)
+ + sizeof(struct llog_rec_tail);
+ else
+ buflen = le32_to_cpu(rec->lrh_len);
+ LASSERT(size_round(buflen) == buflen);
+
+ rc = lop->lop_write_rec(handle, rec, logcookies, numcookies, buf, idx);
+ RETURN(rc);
+}
+
+static inline int llog_next_block(struct llog_handle *loghandle, int *curr_idx,
+ int next_idx, __u64 *curr_offset, void *buf,
int len)
{
struct llog_operations *lop;
if (lop->lop_next_block == NULL)
RETURN(-EOPNOTSUPP);
- rc = lop->lop_next_block(loghandle, cur_idx, next_idx, cur_offset, buf,
+ rc = lop->lop_next_block(loghandle, curr_idx, next_idx, curr_offset, buf,
len);
RETURN(rc);
}
-static inline int llog_create(struct llog_ctxt *ctxt, struct llog_handle **res,
- struct llog_logid *logid, char *name)
+static inline int llog_prev_block(struct llog_handle *loghandle,
+ int prev_idx, void *buf, int len)
{
struct llog_operations *lop;
int rc;
ENTRY;
- rc = llog_obd2ops(ctxt, &lop);
+ rc = llog_handle2ops(loghandle, &lop);
if (rc)
RETURN(rc);
- if (lop->lop_create == NULL)
+ if (lop->lop_prev_block == NULL)
RETURN(-EOPNOTSUPP);
- rc = lop->lop_create(ctxt, res, logid, name);
+ rc = lop->lop_prev_block(loghandle, prev_idx, buf, len);
RETURN(rc);
}
int rc;
ENTRY;
- rc = llog_obd2ops(ctxt, &lop);
+ rc = llog_ctxt2ops(ctxt, &lop);
if (rc)
RETURN(rc);
if (lop->lop_connect == NULL)
RETURN(rc);
}
+static inline int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp)
+{
+ struct llog_operations *lop;
+ int rc;
+ ENTRY;
+
+ rc = llog_ctxt2ops(ctxt, &lop);
+ if (rc)
+ RETURN(rc);
+ if (lop->lop_sync == NULL)
+ RETURN(-EOPNOTSUPP);
+
+ rc = lop->lop_sync(ctxt, exp);
+ RETURN(rc);
+}
+
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff