1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (c) 2013 Jie Liu.
20  * Shortly after enabling the large extents count feature in 2023, longstanding
22  * the bugs resulted in over-estimates of that size, so there's no impact to
33  * features that didn't exist in 2023.  In other words, only turn this on if
58 	size = xfs_attr_leaf_entsize_local_max(mp->m_attr_geo->blksize) -  in xfs_log_calc_max_attrsetm_res()
59 	       MAXNAMELEN - 1;  in xfs_log_calc_max_attrsetm_res()
68 	if (xfs_want_minlogsize_fixes(&mp->m_sb))  in xfs_log_calc_max_attrsetm_res()
73 	return  M_RES(mp)->tr_attrsetm.tr_logres +  in xfs_log_calc_max_attrsetm_res()
74 		M_RES(mp)->tr_attrsetrt.tr_logres * nblks;  in xfs_log_calc_max_attrsetm_res()
86 	unsigned int		rmap_maxlevels = mp->m_rmap_maxlevels;  in xfs_log_calc_trans_resv_for_minlogblocks()
92 	if (xfs_want_minlogsize_fixes(&mp->m_sb)) {  in xfs_log_calc_trans_resv_for_minlogblocks()
106 		mp->m_rmap_maxlevels = XFS_OLD_REFLINK_RMAP_MAXLEVELS;  in xfs_log_calc_trans_resv_for_minlogblocks()
115 		resv->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT_REFLINK;  in xfs_log_calc_trans_resv_for_minlogblocks()
116 		resv->tr_itruncate.tr_logcount =  in xfs_log_calc_trans_resv_for_minlogblocks()
118 		resv->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT_REFLINK;  in xfs_log_calc_trans_resv_for_minlogblocks()
121 		 * In the early days of non-reflink rmap, the impact of rmapbt  in xfs_log_calc_trans_resv_for_minlogblocks()
124 		resv->tr_write.tr_logcount = XFS_WRITE_LOG_COUNT;  in xfs_log_calc_trans_resv_for_minlogblocks()
125 		resv->tr_itruncate.tr_logcount = XFS_ITRUNCATE_LOG_COUNT;  in xfs_log_calc_trans_resv_for_minlogblocks()
126 		resv->tr_qm_dqalloc.tr_logcount = XFS_WRITE_LOG_COUNT;  in xfs_log_calc_trans_resv_for_minlogblocks()
134 	resv->tr_write.tr_logres =  in xfs_log_calc_trans_resv_for_minlogblocks()
136 	resv->tr_itruncate.tr_logres =  in xfs_log_calc_trans_resv_for_minlogblocks()
138 	resv->tr_qm_dqalloc.tr_logres =  in xfs_log_calc_trans_resv_for_minlogblocks()
142 	mp->m_rmap_maxlevels = rmap_maxlevels;  in xfs_log_calc_trans_resv_for_minlogblocks()
147  * the maximum one in terms of the pre-calculated values which were done
169 		int		tmp = resp->tr_logcount > 1 ?  in xfs_log_get_max_trans_res()
170 				      resp->tr_logres * resp->tr_logcount :  in xfs_log_get_max_trans_res()
171 				      resp->tr_logres;  in xfs_log_get_max_trans_res()
182 		max_resp->tr_logres = attr_space;  in xfs_log_get_max_trans_res()
208 	if (xfs_has_logv2(mp) && mp->m_sb.sb_logsunit > 1)  in xfs_log_calc_minimum_size()
209 		lsunit = BTOBB(mp->m_sb.sb_logsunit);  in xfs_log_calc_minimum_size()
224 	 *    require padding - the transaction data and the commit record which  in xfs_log_calc_minimum_size()