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()
382 	XFS_STATS_INC(mp, xs_try_logspace);  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()
451 	XFS_STATS_INC(mp, xs_try_logspace);  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()
564 	struct xfs_mount	*mp,  in xfs_log_notify()  argument
585 	struct xfs_mount	*mp,  in xfs_log_release_iclog()  argument
588 	if (xlog_state_release_iclog(mp->m_log, iclog)) {  in xfs_log_release_iclog()
589 		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);  in xfs_log_release_iclog()
608 	xfs_mount_t	*mp,  in xfs_log_mount()  argument
616 	if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) {  in xfs_log_mount()
617 		xfs_notice(mp, "Mounting V%d Filesystem",  in xfs_log_mount()
618 			   XFS_SB_VERSION_NUM(&mp->m_sb));  in xfs_log_mount()
620 		xfs_notice(mp,  in xfs_log_mount()
622 			   XFS_SB_VERSION_NUM(&mp->m_sb));  in xfs_log_mount()
623 		ASSERT(mp->m_flags & XFS_MOUNT_RDONLY);  in xfs_log_mount()
626 	mp->m_log = xlog_alloc_log(mp, log_target, blk_offset, num_bblks);  in xfs_log_mount()
627 	if (IS_ERR(mp->m_log)) {  in xfs_log_mount()
628 		error = PTR_ERR(mp->m_log);  in xfs_log_mount()
646 	min_logfsbs = xfs_log_calc_minimum_size(mp);  in xfs_log_mount()
648 	if (mp->m_sb.sb_logblocks < min_logfsbs) {  in xfs_log_mount()
649 		xfs_warn(mp,  in xfs_log_mount()
651 			 mp->m_sb.sb_logblocks, min_logfsbs);  in xfs_log_mount()
653 	} else if (mp->m_sb.sb_logblocks > XFS_MAX_LOG_BLOCKS) {  in xfs_log_mount()
654 		xfs_warn(mp,  in xfs_log_mount()
656 			 mp->m_sb.sb_logblocks, XFS_MAX_LOG_BLOCKS);  in xfs_log_mount()
658 	} else if (XFS_FSB_TO_B(mp, mp->m_sb.sb_logblocks) > XFS_MAX_LOG_BYTES) {  in xfs_log_mount()
659 		xfs_warn(mp,  in xfs_log_mount()
661 			 XFS_FSB_TO_B(mp, mp->m_sb.sb_logblocks),  in xfs_log_mount()
666 		if (xfs_sb_version_hascrc(&mp->m_sb)) {  in xfs_log_mount()
667 			xfs_crit(mp, "AAIEEE! Log failed size checks. Abort!");  in xfs_log_mount()
671 		xfs_crit(mp, "Log size out of supported range.");  in xfs_log_mount()
672 		xfs_crit(mp,  in xfs_log_mount()
679 	error = xfs_trans_ail_init(mp);  in xfs_log_mount()
681 		xfs_warn(mp, "AIL initialisation failed: error %d", error);  in xfs_log_mount()
684 	mp->m_log->l_ailp = mp->m_ail;  in xfs_log_mount()
690 	if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) {  in xfs_log_mount()
691 		int	readonly = (mp->m_flags & XFS_MOUNT_RDONLY);  in xfs_log_mount()
694 			mp->m_flags &= ~XFS_MOUNT_RDONLY;  in xfs_log_mount()
696 		error = xlog_recover(mp->m_log);  in xfs_log_mount()
699 			mp->m_flags |= XFS_MOUNT_RDONLY;  in xfs_log_mount()
701 			xfs_warn(mp, "log mount/recovery failed: error %d",  in xfs_log_mount()
703 			xlog_recover_cancel(mp->m_log);  in xfs_log_mount()
708 	error = xfs_sysfs_init(&mp->m_log->l_kobj, &xfs_log_ktype, &mp->m_kobj,  in xfs_log_mount()
714 	mp->m_log->l_flags &= ~XLOG_ACTIVE_RECOVERY;  in xfs_log_mount()
721 	xlog_cil_init_post_recovery(mp->m_log);  in xfs_log_mount()
726 	xfs_trans_ail_destroy(mp);  in xfs_log_mount()
728 	xlog_dealloc_log(mp->m_log);  in xfs_log_mount()
745 	struct xfs_mount	*mp)  in xfs_log_mount_finish()  argument
749 	if (mp->m_flags & XFS_MOUNT_NORECOVERY) {  in xfs_log_mount_finish()
750 		ASSERT(mp->m_flags & XFS_MOUNT_RDONLY);  in xfs_log_mount_finish()
754 	error = xlog_recover_finish(mp->m_log);  in xfs_log_mount_finish()
756 		xfs_log_work_queue(mp);  in xfs_log_mount_finish()
767 	struct xfs_mount	*mp)  in xfs_log_mount_cancel()  argument
771 	error = xlog_recover_cancel(mp->m_log);  in xfs_log_mount_cancel()
772 	xfs_log_unmount(mp);  in xfs_log_mount_cancel()
794 xfs_log_unmount_write(xfs_mount_t *mp)  in xfs_log_unmount_write()  argument
796 	struct xlog	 *log = mp->m_log;  in xfs_log_unmount_write()
809 	if (mp->m_flags & XFS_MOUNT_RDONLY)  in xfs_log_unmount_write()
812 	error = _xfs_log_force(mp, XFS_LOG_SYNC, NULL);  in xfs_log_unmount_write()
826 		error = xfs_log_reserve(mp, 600, 1, &tic,  in xfs_log_unmount_write()
860 			xfs_alert(mp, "%s: unmount record failed", __func__);  in xfs_log_unmount_write()
936 	struct xfs_mount	*mp)  in xfs_log_quiesce()  argument
938 	cancel_delayed_work_sync(&mp->m_log->l_work);  in xfs_log_quiesce()
939 	xfs_log_force(mp, XFS_LOG_SYNC);  in xfs_log_quiesce()
948 	xfs_ail_push_all_sync(mp->m_ail);  in xfs_log_quiesce()
949 	xfs_wait_buftarg(mp->m_ddev_targp);  in xfs_log_quiesce()
950 	xfs_buf_lock(mp->m_sb_bp);  in xfs_log_quiesce()
951 	xfs_buf_unlock(mp->m_sb_bp);  in xfs_log_quiesce()
953 	xfs_log_unmount_write(mp);  in xfs_log_quiesce()
965 	struct xfs_mount	*mp)  in xfs_log_unmount()  argument
967 	xfs_log_quiesce(mp);  in xfs_log_unmount()
969 	xfs_trans_ail_destroy(mp);  in xfs_log_unmount()
971 	xfs_sysfs_del(&mp->m_log->l_kobj);  in xfs_log_unmount()
973 	xlog_dealloc_log(mp->m_log);  in xfs_log_unmount()
978 	struct xfs_mount	*mp,  in xfs_log_item_init()  argument
983 	item->li_mountp = mp;  in xfs_log_item_init()
984 	item->li_ailp = mp->m_ail;  in xfs_log_item_init()
998 	struct xfs_mount	*mp)  in xfs_log_space_wake()  argument
1000 	struct xlog		*log = mp->m_log;  in xfs_log_space_wake()
1043 xfs_log_need_covered(xfs_mount_t *mp)  in xfs_log_need_covered()  argument
1045 	struct xlog	*log = mp->m_log;  in xfs_log_need_covered()
1048 	if (!xfs_fs_writable(mp, SB_FREEZE_WRITE))  in xfs_log_need_covered()
1086 	struct xfs_mount	*mp)  in xlog_assign_tail_lsn_locked()  argument
1088 	struct xlog		*log = mp->m_log;  in xlog_assign_tail_lsn_locked()
1092 	assert_spin_locked(&mp->m_ail->xa_lock);  in xlog_assign_tail_lsn_locked()
1099 	lip = xfs_ail_min(mp->m_ail);  in xlog_assign_tail_lsn_locked()
1111 	struct xfs_mount	*mp)  in xlog_assign_tail_lsn()  argument
1115 	spin_lock(&mp->m_ail->xa_lock);  in xlog_assign_tail_lsn()
1116 	tail_lsn = xlog_assign_tail_lsn_locked(mp);  in xlog_assign_tail_lsn()
1117 	spin_unlock(&mp->m_ail->xa_lock);  in xlog_assign_tail_lsn()
1232 	struct xfs_mount	*mp,  in xlog_get_iclog_buffer_size()  argument
1238 	if (mp->m_logbufs <= 0)  in xlog_get_iclog_buffer_size()
1241 		log->l_iclog_bufs = mp->m_logbufs;  in xlog_get_iclog_buffer_size()
1246 	if (mp->m_logbsize > 0) {  in xlog_get_iclog_buffer_size()
1247 		size = log->l_iclog_size = mp->m_logbsize;  in xlog_get_iclog_buffer_size()
1254 		if (xfs_sb_version_haslogv2(&mp->m_sb)) {  in xlog_get_iclog_buffer_size()
1259 			xhdrs = mp->m_logbsize / XLOG_HEADER_CYCLE_SIZE;  in xlog_get_iclog_buffer_size()
1260 			if (mp->m_logbsize % XLOG_HEADER_CYCLE_SIZE)  in xlog_get_iclog_buffer_size()
1265 			ASSERT(mp->m_logbsize <= XLOG_BIG_RECORD_BSIZE);  in xlog_get_iclog_buffer_size()
1282 	if (mp->m_logbufs == 0)  in xlog_get_iclog_buffer_size()
1283 		mp->m_logbufs = log->l_iclog_bufs;  in xlog_get_iclog_buffer_size()
1284 	if (mp->m_logbsize == 0)  in xlog_get_iclog_buffer_size()
1285 		mp->m_logbsize = log->l_iclog_size;  in xlog_get_iclog_buffer_size()
1291 	struct xfs_mount        *mp)  in xfs_log_work_queue()  argument
1293 	queue_delayed_work(mp->m_log_workqueue, &mp->m_log->l_work,  in xfs_log_work_queue()
1308 	struct xfs_mount	*mp = log->l_mp;  in xfs_log_worker()  local
1311 	if (xfs_log_need_covered(mp)) {  in xfs_log_worker()
1323 		xfs_sync_sb(mp, true);  in xfs_log_worker()
1325 		xfs_log_force(mp, 0);  in xfs_log_worker()
1328 	xfs_ail_push_all(mp->m_ail);  in xfs_log_worker()
1331 	xfs_log_work_queue(mp);  in xfs_log_worker()
1341 	struct xfs_mount	*mp,  in xlog_alloc_log()  argument
1357 		xfs_warn(mp, "Log allocation failed: No memory!");  in xlog_alloc_log()
1361 	log->l_mp	   = mp;  in xlog_alloc_log()
1380 	if (xfs_sb_version_hassector(&mp->m_sb)) {  in xlog_alloc_log()
1381 	        log2_size = mp->m_sb.sb_logsectlog;  in xlog_alloc_log()
1383 			xfs_warn(mp, "Log sector size too small (0x%x < 0x%x)",  in xlog_alloc_log()
1389 		if (log2_size > mp->m_sectbb_log) {  in xlog_alloc_log()
1390 			xfs_warn(mp, "Log sector size too large (0x%x > 0x%x)",  in xlog_alloc_log()
1391 				log2_size, mp->m_sectbb_log);  in xlog_alloc_log()
1397 			    !xfs_sb_version_haslogv2(&mp->m_sb)) {  in xlog_alloc_log()
1398 			xfs_warn(mp,  in xlog_alloc_log()
1406 	xlog_get_iclog_buffer_size(mp, log);  in xlog_alloc_log()
1414 	bp = xfs_buf_alloc(mp->m_logdev_targp, XFS_BUF_DADDR_NULL,  in xlog_alloc_log()
1428 	bp->b_ioend_wq = mp->m_log_workqueue;  in xlog_alloc_log()
1453 		bp = xfs_buf_get_uncached(mp->m_logdev_targp,  in xlog_alloc_log()
1462 		bp->b_ioend_wq = mp->m_log_workqueue;  in xlog_alloc_log()
1477 		memcpy(&head->h_fs_uuid, &mp->m_sb.sb_uuid, sizeof(uuid_t));  in xlog_alloc_log()
1527 	struct xfs_mount *mp = log->l_mp;  in xlog_commit_record()  local
1543 		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);  in xlog_commit_record()
1985 	struct xfs_mount	*mp,  in xlog_print_tic_res()  argument
2056 	xfs_warn(mp, "xlog_write: reservation summary:");  in xlog_print_tic_res()
2057 	xfs_warn(mp, "  trans type  = %s (%u)",  in xlog_print_tic_res()
2062 	xfs_warn(mp, "  unit res    = %d bytes",  in xlog_print_tic_res()
2064 	xfs_warn(mp, "  current res = %d bytes",  in xlog_print_tic_res()
2066 	xfs_warn(mp, "  total reg   = %u bytes (o/flow = %u bytes)",  in xlog_print_tic_res()
2068 	xfs_warn(mp, "  ophdrs      = %u (ophdr space = %u bytes)",  in xlog_print_tic_res()
2070 	xfs_warn(mp, "  ophdr + reg = %u bytes",  in xlog_print_tic_res()
2072 	xfs_warn(mp, "  num regions = %u",  in xlog_print_tic_res()
2077 		xfs_warn(mp, "region[%u]: %s - %u bytes", i,  in xlog_print_tic_res()
2083 	xfs_alert_tag(mp, XFS_PTAG_LOGRES,  in xlog_print_tic_res()
2085 	xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);  in xlog_print_tic_res()
3224 	struct xfs_mount	*mp,  in _xfs_log_force()  argument
3228 	struct xlog		*log = mp->m_log;  in _xfs_log_force()
3232 	XFS_STATS_INC(mp, xs_log_force);  in _xfs_log_force()
3317 		XFS_STATS_INC(mp, xs_log_force_sleep);  in _xfs_log_force()
3343 	xfs_mount_t	*mp,  in xfs_log_force()  argument
3348 	trace_xfs_log_force(mp, 0);  in xfs_log_force()
3349 	error = _xfs_log_force(mp, flags, NULL);  in xfs_log_force()
3351 		xfs_warn(mp, "%s: error %d returned.", __func__, error);  in xfs_log_force()
3371 	struct xfs_mount	*mp,  in _xfs_log_force_lsn()  argument
3376 	struct xlog		*log = mp->m_log;  in _xfs_log_force_lsn()
3382 	XFS_STATS_INC(mp, xs_log_force);  in _xfs_log_force_lsn()
3431 				XFS_STATS_INC(mp, xs_log_force_sleep);  in _xfs_log_force_lsn()
3461 			XFS_STATS_INC(mp, xs_log_force_sleep);  in _xfs_log_force_lsn()
3491 	xfs_mount_t	*mp,  in xfs_log_force_lsn()  argument
3497 	trace_xfs_log_force(mp, lsn);  in xfs_log_force_lsn()
3498 	error = _xfs_log_force_lsn(mp, lsn, flags, NULL);  in xfs_log_force_lsn()
3500 		xfs_warn(mp, "%s: error %d returned.", __func__, error);  in xfs_log_force_lsn()
3557 	struct xfs_mount	*mp,  in xfs_log_calc_unit_res()  argument
3560 	struct xlog		*log = mp->m_log;  in xfs_log_calc_unit_res()
3637 	if (xfs_sb_version_haslogv2(&mp->m_sb) && mp->m_sb.sb_logsunit > 1) {  in xfs_log_calc_unit_res()
3639 		unit_bytes += 2 * mp->m_sb.sb_logsunit;  in xfs_log_calc_unit_res()
3933 	struct xfs_mount	*mp,  in xfs_log_force_umount()  argument
3939 	log = mp->m_log;  in xfs_log_force_umount()
3947 		mp->m_flags |= XFS_MOUNT_FS_SHUTDOWN;  in xfs_log_force_umount()
3948 		if (mp->m_sb_bp)  in xfs_log_force_umount()
3949 			XFS_BUF_DONE(mp->m_sb_bp);  in xfs_log_force_umount()
3970 		_xfs_log_force(mp, XFS_LOG_SYNC, NULL);  in xfs_log_force_umount()
3977 	mp->m_flags |= XFS_MOUNT_FS_SHUTDOWN;  in xfs_log_force_umount()
3978 	if (mp->m_sb_bp)  in xfs_log_force_umount()
3979 		XFS_BUF_DONE(mp->m_sb_bp);  in xfs_log_force_umount()
4049 	struct xfs_mount	*mp,  in xfs_log_check_lsn()  argument
4052 	struct xlog		*log = mp->m_log;  in xfs_log_check_lsn()
4060 	if (mp->m_flags & XFS_MOUNT_NORECOVERY)  in xfs_log_check_lsn()
4070 	valid = xlog_valid_lsn(mp->m_log, lsn);  in xfs_log_check_lsn()
4075 		xfs_warn(mp,  in xfs_log_check_lsn()