/** Add a CL_MARK record to the changelog * \param mdd * \param markerflags - CLM_* * \retval 0 ok */ int mdd_changelog_write_header(const struct lu_env *env, struct mdd_device *mdd, int markerflags) { struct obd_device *obd = mdd2obd_dev(mdd); struct llog_changelog_rec *rec; struct lu_buf *buf; struct llog_ctxt *ctxt; int reclen; int len = strlen(obd->obd_name); int rc; ENTRY; if (mdd->mdd_cl.mc_mask & (1 << CL_MARK)) { mdd->mdd_cl.mc_starttime = cfs_time_current_64(); RETURN(0); } reclen = llog_data_len(sizeof(*rec) + len); buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_big_buf, reclen); if (buf->lb_buf == NULL) RETURN(-ENOMEM); rec = buf->lb_buf; rec->cr.cr_flags = CLF_VERSION; rec->cr.cr_type = CL_MARK; rec->cr.cr_namelen = len; memcpy(changelog_rec_name(&rec->cr), obd->obd_name, rec->cr.cr_namelen); /* Status and action flags */ rec->cr.cr_markerflags = mdd->mdd_cl.mc_flags | markerflags; rec->cr_hdr.lrh_len = llog_data_len(changelog_rec_size(&rec->cr) + rec->cr.cr_namelen); rec->cr_hdr.lrh_type = CHANGELOG_REC; rec->cr.cr_time = cl_time(); spin_lock(&mdd->mdd_cl.mc_lock); rec->cr.cr_index = ++mdd->mdd_cl.mc_index; spin_unlock(&mdd->mdd_cl.mc_lock); ctxt = llog_get_context(obd, LLOG_CHANGELOG_ORIG_CTXT); LASSERT(ctxt); rc = llog_cat_add(env, ctxt->loc_handle, &rec->cr_hdr, NULL); if (rc > 0) rc = 0; llog_ctxt_put(ctxt); /* assume on or off event; reset repeat-access time */ mdd->mdd_cl.mc_starttime = cfs_time_current_64(); RETURN(rc); }
static int changelog_init_cb(const struct lu_env *env, struct llog_handle *llh, struct llog_rec_hdr *hdr, void *data) { struct mdd_device *mdd = (struct mdd_device *)data; struct llog_changelog_rec *rec = (struct llog_changelog_rec *)hdr; LASSERT(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN); LASSERT(rec->cr_hdr.lrh_type == CHANGELOG_REC); CDEBUG(D_INFO, "seeing record at index %d/%d/"LPU64" t=%x %.*s in log" DOSTID"\n", hdr->lrh_index, rec->cr_hdr.lrh_index, rec->cr.cr_index, rec->cr.cr_type, rec->cr.cr_namelen, changelog_rec_name(&rec->cr), POSTID(&llh->lgh_id.lgl_oi)); mdd->mdd_cl.mc_index = rec->cr.cr_index; return LLOG_PROC_BREAK; }
static int lustre_changelog_upcall(struct lustre_filesystem *lustre_fs, const struct fsal_up_vector *event_func, struct changelog_rec *rec) { struct changelog_ext_jobid *jid; struct changelog_ext_rename *rnm; /* changelog are displayed with the format of "lfs changelog" */ char format_chgl[] = "%llu %02d%-5s %02d:%02d:%02d.%06d %04d.%02d.%02d 0x%x %s t="DFID; char message[LEN_MESSAGE]; char message2[LEN_MESSAGE]; struct tm ts; time_t secs; int rc; secs = rec->cr_time >> 30; gmtime_r(&secs, &ts); if (rec->cr_flags & CLF_JOBID) jid = changelog_rec_jobid(rec); else return -1; if (rec->cr_flags & CLF_RENAME) rnm = changelog_rec_rename(rec); snprintf(message, LEN_MESSAGE, format_chgl, rec->cr_index, rec->cr_type, changelog_type2str(rec->cr_type), ts.tm_hour, ts.tm_min, ts.tm_sec, (int)(rec->cr_time & ((1 << 30) - 1)), ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday, rec->cr_flags & CLF_FLAGMASK, jid->cr_jobid, PFID(&rec->cr_tfid)); if (rec->cr_namelen) snprintf(message2, LEN_MESSAGE, " p="DFID" %.*s", PFID(&rec->cr_pfid), rec->cr_namelen, changelog_rec_name(rec)); else message2[0] = '\0'; strncat(message, message2, LEN_MESSAGE); LogFullDebug(COMPONENT_FSAL_UP, "%s", message); switch (rec->cr_type) { case CL_CREATE: case CL_MKDIR: case CL_HARDLINK: case CL_SOFTLINK: case CL_MKNOD: case CL_UNLINK: case CL_RMDIR: /* invalidate parent entry */ rc = lustre_invalidate_entry(lustre_fs, event_func, &rec->cr_pfid); if (rc) LogDebug(COMPONENT_FSAL, "Could not invalidate fid="DFID, PFID(&rec->cr_pfid)); break; case CL_RENAME: /* invalidate parent entry * and target entry */ rc = lustre_invalidate_entry(lustre_fs, event_func, &rnm->cr_spfid); if (rc) LogDebug(COMPONENT_FSAL, "Could not invalidate fid="DFID, PFID(&rnm->cr_spfid)); rc = lustre_invalidate_entry(lustre_fs, event_func, &rec->cr_pfid); if (rc) LogDebug(COMPONENT_FSAL, "Could not invalidate fid="DFID, PFID(&rec->cr_pfid)); rc = lustre_invalidate_entry(lustre_fs, event_func, &rec->cr_tfid); if (rc) LogDebug(COMPONENT_FSAL, "Could not invalidate fid="DFID, PFID(&rec->cr_tfid)); break; case CL_ATIME: case CL_MTIME: case CL_CTIME: case CL_SETATTR: /* invalidate target entry */ rc = lustre_invalidate_entry(lustre_fs, event_func, &rec->cr_tfid); if (rc) LogDebug(COMPONENT_FSAL, "Could not invalidate fid="DFID, PFID(&rec->cr_tfid)); break; default: /* untracked record type */ break; } return 0; }