static int llog_remove_log(struct llog_handle *cat, struct llog_logid *logid)
{
struct llog_handle *log;
int rc, index = 0;
ENTRY;
cfs_down_write(&cat->lgh_lock);
rc = llog_cat_id2handle(cat, &log, logid);
if (rc) {
CDEBUG(D_IOCTL, "cannot find log #"LPX64"#"LPX64"#%08x\n",
logid->lgl_oid, logid->lgl_oseq, logid->lgl_ogen);
GOTO(out, rc = -ENOENT);
}
index = log->u.phd.phd_cookie.lgc_index;
LASSERT(index);
rc = llog_destroy(log);
if (rc) {
CDEBUG(D_IOCTL, "cannot destroy log\n");
GOTO(out, rc);
}
llog_cat_set_first_idx(cat, index);
rc = llog_cancel_rec(cat, index);
out:
llog_free_handle(log);
cfs_up_write(&cat->lgh_lock);
RETURN(rc);
}
static int llog_remove_log(const struct lu_env *env, struct llog_handle *cat,
struct llog_logid *logid)
{
struct llog_handle *log;
int rc;
ENTRY;
rc = llog_cat_id2handle(env, cat, &log, logid);
if (rc) {
CDEBUG(D_IOCTL, "cannot find log #"DOSTID"#%08x\n",
POSTID(&logid->lgl_oi), logid->lgl_ogen);
RETURN(-ENOENT);
}
rc = llog_destroy(env, log);
if (rc) {
CDEBUG(D_IOCTL, "cannot destroy log\n");
GOTO(out, rc);
}
llog_cat_cleanup(env, cat, log, log->u.phd.phd_cookie.lgc_index);
out:
llog_handle_put(log);
RETURN(rc);
}
static int llog_check_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
void *data)
{
struct obd_ioctl_data *ioc_data = (struct obd_ioctl_data *)data;
static int l, remains, from, to;
static char *out;
char *endp;
int cur_index, rc = 0;
ENTRY;
cur_index = rec->lrh_index;
if (ioc_data && (ioc_data->ioc_inllen1)) {
l = 0;
remains = ioc_data->ioc_inllen4 +
cfs_size_round(ioc_data->ioc_inllen1) +
cfs_size_round(ioc_data->ioc_inllen2) +
cfs_size_round(ioc_data->ioc_inllen3);
from = simple_strtol(ioc_data->ioc_inlbuf2, &endp, 0);
if (*endp != '\0')
RETURN(-EINVAL);
to = simple_strtol(ioc_data->ioc_inlbuf3, &endp, 0);
if (*endp != '\0')
RETURN(-EINVAL);
ioc_data->ioc_inllen1 = 0;
out = ioc_data->ioc_bulk;
if (cur_index < from)
RETURN(0);
if (to > 0 && cur_index > to)
RETURN(-LLOG_EEMPTY);
}
if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
struct llog_handle *log_handle;
if (rec->lrh_type != LLOG_LOGID_MAGIC) {
l = snprintf(out, remains, "[index]: %05d [type]: "
"%02x [len]: %04d failed\n",
cur_index, rec->lrh_type,
rec->lrh_len);
}
if (handle->lgh_ctxt == NULL)
RETURN(-EOPNOTSUPP);
rc = llog_cat_id2handle(handle, &log_handle, &lir->lid_id);
if (rc) {
CDEBUG(D_IOCTL,
"cannot find log #"LPX64"#"LPX64"#%08x\n",
lir->lid_id.lgl_oid, lir->lid_id.lgl_oseq,
lir->lid_id.lgl_ogen);
RETURN(rc);
}
rc = llog_process(log_handle, llog_check_cb, NULL, NULL);
llog_close(log_handle);
} else {
switch (rec->lrh_type) {
case OST_SZ_REC:
case OST_RAID1_REC:
case MDS_UNLINK_REC:
case MDS_SETATTR_REC:
case MDS_SETATTR64_REC:
case OBD_CFG_REC:
case LLOG_HDR_MAGIC: {
l = snprintf(out, remains, "[index]: %05d [type]: "
"%02x [len]: %04d ok\n",
cur_index, rec->lrh_type,
rec->lrh_len);
out += l;
remains -= l;
if (remains <= 0) {
CERROR("no space to print log records\n");
RETURN(-LLOG_EEMPTY);
}
RETURN(0);
}
default: {
l = snprintf(out, remains, "[index]: %05d [type]: "
"%02x [len]: %04d failed\n",
cur_index, rec->lrh_type,
rec->lrh_len);
out += l;
remains -= l;
if (remains <= 0) {
CERROR("no space to print log records\n");
RETURN(-LLOG_EEMPTY);
}
RETURN(0);
}
}
}
RETURN(rc);
}
static int llog_check_cb(const struct lu_env *env, struct llog_handle *handle,
struct llog_rec_hdr *rec, void *data)
{
struct obd_ioctl_data *ioc_data = (struct obd_ioctl_data *)data;
static int l, remains, from, to;
static char *out;
char *endp;
int cur_index, rc = 0;
if (ioc_data && ioc_data->ioc_inllen1 > 0) {
l = 0;
remains = ioc_data->ioc_inllen4 +
cfs_size_round(ioc_data->ioc_inllen1) +
cfs_size_round(ioc_data->ioc_inllen2) +
cfs_size_round(ioc_data->ioc_inllen3);
from = simple_strtol(ioc_data->ioc_inlbuf2, &endp, 0);
if (*endp != '\0')
return -EINVAL;
to = simple_strtol(ioc_data->ioc_inlbuf3, &endp, 0);
if (*endp != '\0')
return -EINVAL;
ioc_data->ioc_inllen1 = 0;
out = ioc_data->ioc_bulk;
}
cur_index = rec->lrh_index;
if (cur_index < from)
return 0;
if (to > 0 && cur_index > to)
return -LLOG_EEMPTY;
if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
struct llog_handle *loghandle;
if (rec->lrh_type != LLOG_LOGID_MAGIC) {
l = snprintf(out, remains, "[index]: %05d [type]: "
"%02x [len]: %04d failed\n",
cur_index, rec->lrh_type,
rec->lrh_len);
}
if (handle->lgh_ctxt == NULL)
return -EOPNOTSUPP;
rc = llog_cat_id2handle(env, handle, &loghandle, &lir->lid_id);
if (rc) {
CDEBUG(D_IOCTL, "cannot find log #"DOSTID"#%08x\n",
POSTID(&lir->lid_id.lgl_oi),
lir->lid_id.lgl_ogen);
return rc;
}
rc = llog_process(env, loghandle, llog_check_cb, NULL, NULL);
llog_handle_put(loghandle);
} else {
bool ok;
switch (rec->lrh_type) {
case OST_SZ_REC:
case MDS_UNLINK_REC:
case MDS_UNLINK64_REC:
case MDS_SETATTR64_REC:
case OBD_CFG_REC:
case LLOG_GEN_REC:
case LLOG_HDR_MAGIC:
ok = true;
break;
default:
ok = false;
}
l = snprintf(out, remains, "[index]: %05d [type]: "
"%02x [len]: %04d %s\n",
cur_index, rec->lrh_type, rec->lrh_len,
ok ? "ok" : "failed");
out += l;
remains -= l;
if (remains <= 0) {
CERROR("%s: no space to print log records\n",
handle->lgh_ctxt->loc_obd->obd_name);
return -LLOG_EEMPTY;
}
}
return rc;
}