50 	struct xfs_mount	*mp,
372 	struct xfs_mount	*mp,  in xfs_log_regrant()  argument
375 	struct xlog		*log = mp->m_log;  in xfs_log_regrant()
433 	struct xfs_mount	*mp,  in xfs_log_reserve()  argument
441 	struct xlog		*log = mp->m_log;  in xfs_log_reserve()
513 	struct xfs_mount	*mp,  in xfs_log_done()  argument
518 	struct xlog		*log = mp->m_log;  in xfs_log_done()
567 	struct xfs_mount	*mp,  in xfs_log_notify()  argument
588 	struct xfs_mount	*mp,  in xfs_log_release_iclog()  argument
591 	if (xlog_state_release_iclog(mp->m_log, iclog)) {  in xfs_log_release_iclog()
592 		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);  in xfs_log_release_iclog()
611 	xfs_mount_t	*mp,  in xfs_log_mount()  argument
619 	if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) {  in xfs_log_mount()
620 		xfs_notice(mp, "Mounting V%d Filesystem",  in xfs_log_mount()
621 			   XFS_SB_VERSION_NUM(&mp->m_sb));  in xfs_log_mount()
623 		xfs_notice(mp,  in xfs_log_mount()
625 			   XFS_SB_VERSION_NUM(&mp->m_sb));  in xfs_log_mount()
626 		ASSERT(mp->m_flags & XFS_MOUNT_RDONLY);  in xfs_log_mount()
629 	mp->m_log = xlog_alloc_log(mp, log_target, blk_offset, num_bblks);  in xfs_log_mount()
630 	if (IS_ERR(mp->m_log)) {  in xfs_log_mount()
631 		error = PTR_ERR(mp->m_log);  in xfs_log_mount()
649 	min_logfsbs = xfs_log_calc_minimum_size(mp);  in xfs_log_mount()
651 	if (mp->m_sb.sb_logblocks < min_logfsbs) {  in xfs_log_mount()
652 		xfs_warn(mp,  in xfs_log_mount()
654 			 mp->m_sb.sb_logblocks, min_logfsbs);  in xfs_log_mount()
656 	} else if (mp->m_sb.sb_logblocks > XFS_MAX_LOG_BLOCKS) {  in xfs_log_mount()
657 		xfs_warn(mp,  in xfs_log_mount()
659 			 mp->m_sb.sb_logblocks, XFS_MAX_LOG_BLOCKS);  in xfs_log_mount()
661 	} else if (XFS_FSB_TO_B(mp, mp->m_sb.sb_logblocks) > XFS_MAX_LOG_BYTES) {  in xfs_log_mount()
662 		xfs_warn(mp,  in xfs_log_mount()
664 			 XFS_FSB_TO_B(mp, mp->m_sb.sb_logblocks),  in xfs_log_mount()
669 		if (xfs_sb_version_hascrc(&mp->m_sb)) {  in xfs_log_mount()
670 			xfs_crit(mp, "AAIEEE! Log failed size checks. Abort!");  in xfs_log_mount()
674 		xfs_crit(mp,  in xfs_log_mount()
682 	error = xfs_trans_ail_init(mp);  in xfs_log_mount()
684 		xfs_warn(mp, "AIL initialisation failed: error %d", error);  in xfs_log_mount()
687 	mp->m_log->l_ailp = mp->m_ail;  in xfs_log_mount()
693 	if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) {  in xfs_log_mount()
694 		int	readonly = (mp->m_flags & XFS_MOUNT_RDONLY);  in xfs_log_mount()
697 			mp->m_flags &= ~XFS_MOUNT_RDONLY;  in xfs_log_mount()
699 		error = xlog_recover(mp->m_log);  in xfs_log_mount()
702 			mp->m_flags |= XFS_MOUNT_RDONLY;  in xfs_log_mount()
704 			xfs_warn(mp, "log mount/recovery failed: error %d",  in xfs_log_mount()
710 	error = xfs_sysfs_init(&mp->m_log->l_kobj, &xfs_log_ktype, &mp->m_kobj,  in xfs_log_mount()
716 	mp->m_log->l_flags &= ~XLOG_ACTIVE_RECOVERY;  in xfs_log_mount()
723 	xlog_cil_init_post_recovery(mp->m_log);  in xfs_log_mount()
728 	xfs_trans_ail_destroy(mp);  in xfs_log_mount()
730 	xlog_dealloc_log(mp->m_log);  in xfs_log_mount()
746 xfs_log_mount_finish(xfs_mount_t *mp)  in xfs_log_mount_finish()  argument
750 	if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) {  in xfs_log_mount_finish()
751 		error = xlog_recover_finish(mp->m_log);  in xfs_log_mount_finish()
753 			xfs_log_work_queue(mp);  in xfs_log_mount_finish()
755 		ASSERT(mp->m_flags & XFS_MOUNT_RDONLY);  in xfs_log_mount_finish()
779 xfs_log_unmount_write(xfs_mount_t *mp)  in xfs_log_unmount_write()  argument
781 	struct xlog	 *log = mp->m_log;  in xfs_log_unmount_write()
794 	if (mp->m_flags & XFS_MOUNT_RDONLY)  in xfs_log_unmount_write()
797 	error = _xfs_log_force(mp, XFS_LOG_SYNC, NULL);  in xfs_log_unmount_write()
811 		error = xfs_log_reserve(mp, 600, 1, &tic,  in xfs_log_unmount_write()
845 			xfs_alert(mp, "%s: unmount record failed", __func__);  in xfs_log_unmount_write()
921 	struct xfs_mount	*mp)  in xfs_log_quiesce()  argument
923 	cancel_delayed_work_sync(&mp->m_log->l_work);  in xfs_log_quiesce()
924 	xfs_log_force(mp, XFS_LOG_SYNC);  in xfs_log_quiesce()
933 	xfs_ail_push_all_sync(mp->m_ail);  in xfs_log_quiesce()
934 	xfs_wait_buftarg(mp->m_ddev_targp);  in xfs_log_quiesce()
935 	xfs_buf_lock(mp->m_sb_bp);  in xfs_log_quiesce()
936 	xfs_buf_unlock(mp->m_sb_bp);  in xfs_log_quiesce()
938 	xfs_log_unmount_write(mp);  in xfs_log_quiesce()
950 	struct xfs_mount	*mp)  in xfs_log_unmount()  argument
952 	xfs_log_quiesce(mp);  in xfs_log_unmount()
954 	xfs_trans_ail_destroy(mp);  in xfs_log_unmount()
956 	xfs_sysfs_del(&mp->m_log->l_kobj);  in xfs_log_unmount()
958 	xlog_dealloc_log(mp->m_log);  in xfs_log_unmount()
963 	struct xfs_mount	*mp,  in xfs_log_item_init()  argument
968 	item->li_mountp = mp;  in xfs_log_item_init()
969 	item->li_ailp = mp->m_ail;  in xfs_log_item_init()
983 	struct xfs_mount	*mp)  in xfs_log_space_wake()  argument
985 	struct xlog		*log = mp->m_log;  in xfs_log_space_wake()
1028 xfs_log_need_covered(xfs_mount_t *mp)  in xfs_log_need_covered()  argument
1030 	struct xlog	*log = mp->m_log;  in xfs_log_need_covered()
1033 	if (!xfs_fs_writable(mp, SB_FREEZE_WRITE))  in xfs_log_need_covered()
1071 	struct xfs_mount	*mp)  in xlog_assign_tail_lsn_locked()  argument
1073 	struct xlog		*log = mp->m_log;  in xlog_assign_tail_lsn_locked()
1077 	assert_spin_locked(&mp->m_ail->xa_lock);  in xlog_assign_tail_lsn_locked()
1084 	lip = xfs_ail_min(mp->m_ail);  in xlog_assign_tail_lsn_locked()
1096 	struct xfs_mount	*mp)  in xlog_assign_tail_lsn()  argument
1100 	spin_lock(&mp->m_ail->xa_lock);  in xlog_assign_tail_lsn()
1101 	tail_lsn = xlog_assign_tail_lsn_locked(mp);  in xlog_assign_tail_lsn()
1102 	spin_unlock(&mp->m_ail->xa_lock);  in xlog_assign_tail_lsn()
1215 	struct xfs_mount	*mp,  in xlog_get_iclog_buffer_size()  argument
1221 	if (mp->m_logbufs <= 0)  in xlog_get_iclog_buffer_size()
1224 		log->l_iclog_bufs = mp->m_logbufs;  in xlog_get_iclog_buffer_size()
1229 	if (mp->m_logbsize > 0) {  in xlog_get_iclog_buffer_size()
1230 		size = log->l_iclog_size = mp->m_logbsize;  in xlog_get_iclog_buffer_size()
1237 		if (xfs_sb_version_haslogv2(&mp->m_sb)) {  in xlog_get_iclog_buffer_size()
1242 			xhdrs = mp->m_logbsize / XLOG_HEADER_CYCLE_SIZE;  in xlog_get_iclog_buffer_size()
1243 			if (mp->m_logbsize % XLOG_HEADER_CYCLE_SIZE)  in xlog_get_iclog_buffer_size()
1248 			ASSERT(mp->m_logbsize <= XLOG_BIG_RECORD_BSIZE);  in xlog_get_iclog_buffer_size()
1265 	if (mp->m_logbufs == 0)  in xlog_get_iclog_buffer_size()
1266 		mp->m_logbufs = log->l_iclog_bufs;  in xlog_get_iclog_buffer_size()
1267 	if (mp->m_logbsize == 0)  in xlog_get_iclog_buffer_size()
1268 		mp->m_logbsize = log->l_iclog_size;  in xlog_get_iclog_buffer_size()
1274 	struct xfs_mount        *mp)  in xfs_log_work_queue()  argument
1276 	queue_delayed_work(mp->m_log_workqueue, &mp->m_log->l_work,  in xfs_log_work_queue()
1291 	struct xfs_mount	*mp = log->l_mp;  in xfs_log_worker()  local
1294 	if (xfs_log_need_covered(mp)) {  in xfs_log_worker()
1306 		xfs_sync_sb(mp, true);  in xfs_log_worker()
1308 		xfs_log_force(mp, 0);  in xfs_log_worker()
1311 	xfs_ail_push_all(mp->m_ail);  in xfs_log_worker()
1314 	xfs_log_work_queue(mp);  in xfs_log_worker()
1324 	struct xfs_mount	*mp,  in xlog_alloc_log()  argument
1340 		xfs_warn(mp, "Log allocation failed: No memory!");  in xlog_alloc_log()
1344 	log->l_mp	   = mp;  in xlog_alloc_log()
1363 	if (xfs_sb_version_hassector(&mp->m_sb)) {  in xlog_alloc_log()
1364 	        log2_size = mp->m_sb.sb_logsectlog;  in xlog_alloc_log()
1366 			xfs_warn(mp, "Log sector size too small (0x%x < 0x%x)",  in xlog_alloc_log()
1372 		if (log2_size > mp->m_sectbb_log) {  in xlog_alloc_log()
1373 			xfs_warn(mp, "Log sector size too large (0x%x > 0x%x)",  in xlog_alloc_log()
1374 				log2_size, mp->m_sectbb_log);  in xlog_alloc_log()
1380 			    !xfs_sb_version_haslogv2(&mp->m_sb)) {  in xlog_alloc_log()
1381 			xfs_warn(mp,  in xlog_alloc_log()
1389 	xlog_get_iclog_buffer_size(mp, log);  in xlog_alloc_log()
1397 	bp = xfs_buf_alloc(mp->m_logdev_targp, XFS_BUF_DADDR_NULL,  in xlog_alloc_log()
1411 	bp->b_ioend_wq = mp->m_log_workqueue;  in xlog_alloc_log()
1436 		bp = xfs_buf_get_uncached(mp->m_logdev_targp,  in xlog_alloc_log()
1445 		bp->b_ioend_wq = mp->m_log_workqueue;  in xlog_alloc_log()
1460 		memcpy(&head->h_fs_uuid, &mp->m_sb.sb_uuid, sizeof(uuid_t));  in xlog_alloc_log()
1510 	struct xfs_mount *mp = log->l_mp;  in xlog_commit_record()  local
1526 		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);  in xlog_commit_record()
1963 	struct xfs_mount	*mp,  in xlog_print_tic_res()  argument
2034 	xfs_warn(mp,  in xlog_print_tic_res()
2057 		xfs_warn(mp, "region[%u]: %s - %u bytes", i,  in xlog_print_tic_res()
2063 	xfs_alert_tag(mp, XFS_PTAG_LOGRES,  in xlog_print_tic_res()
2065 	xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);  in xlog_print_tic_res()
3187 	struct xfs_mount	*mp,  in _xfs_log_force()  argument
3191 	struct xlog		*log = mp->m_log;  in _xfs_log_force()
3306 	xfs_mount_t	*mp,  in xfs_log_force()  argument
3311 	trace_xfs_log_force(mp, 0);  in xfs_log_force()
3312 	error = _xfs_log_force(mp, flags, NULL);  in xfs_log_force()
3314 		xfs_warn(mp, "%s: error %d returned.", __func__, error);  in xfs_log_force()
3334 	struct xfs_mount	*mp,  in _xfs_log_force_lsn()  argument
3339 	struct xlog		*log = mp->m_log;  in _xfs_log_force_lsn()
3454 	xfs_mount_t	*mp,  in xfs_log_force_lsn()  argument
3460 	trace_xfs_log_force(mp, lsn);  in xfs_log_force_lsn()
3461 	error = _xfs_log_force_lsn(mp, lsn, flags, NULL);  in xfs_log_force_lsn()
3463 		xfs_warn(mp, "%s: error %d returned.", __func__, error);  in xfs_log_force_lsn()
3520 	struct xfs_mount	*mp,  in xfs_log_calc_unit_res()  argument
3523 	struct xlog		*log = mp->m_log;  in xfs_log_calc_unit_res()
3600 	if (xfs_sb_version_haslogv2(&mp->m_sb) && mp->m_sb.sb_logsunit > 1) {  in xfs_log_calc_unit_res()
3602 		unit_bytes += 2 * mp->m_sb.sb_logsunit;  in xfs_log_calc_unit_res()
3898 	struct xfs_mount	*mp,  in xfs_log_force_umount()  argument
3904 	log = mp->m_log;  in xfs_log_force_umount()
3912 		mp->m_flags |= XFS_MOUNT_FS_SHUTDOWN;  in xfs_log_force_umount()
3913 		if (mp->m_sb_bp)  in xfs_log_force_umount()
3914 			XFS_BUF_DONE(mp->m_sb_bp);  in xfs_log_force_umount()
3935 		_xfs_log_force(mp, XFS_LOG_SYNC, NULL);  in xfs_log_force_umount()
3942 	mp->m_flags |= XFS_MOUNT_FS_SHUTDOWN;  in xfs_log_force_umount()
3943 	if (mp->m_sb_bp)  in xfs_log_force_umount()
3944 		XFS_BUF_DONE(mp->m_sb_bp);  in xfs_log_force_umount()