--- zzzz-none-000/linux-3.10.107/fs/xfs/xfs_dquot_item.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/xfs/xfs_dquot_item.c	2021-02-04 17:41:59.000000000 +0000
@@ -17,23 +17,18 @@
  */
 #include "xfs.h"
 #include "xfs_fs.h"
-#include "xfs_log.h"
-#include "xfs_trans.h"
-#include "xfs_sb.h"
-#include "xfs_ag.h"
-#include "xfs_alloc.h"
-#include "xfs_quota.h"
+#include "xfs_format.h"
+#include "xfs_log_format.h"
+#include "xfs_trans_resv.h"
 #include "xfs_mount.h"
-#include "xfs_bmap_btree.h"
 #include "xfs_inode.h"
-#include "xfs_bmap.h"
-#include "xfs_rtalloc.h"
+#include "xfs_quota.h"
 #include "xfs_error.h"
-#include "xfs_itable.h"
-#include "xfs_attr.h"
+#include "xfs_trans.h"
 #include "xfs_buf_item.h"
 #include "xfs_trans_priv.h"
 #include "xfs_qm.h"
+#include "xfs_log.h"
 
 static inline struct xfs_dq_logitem *DQUOT_ITEM(struct xfs_log_item *lip)
 {
@@ -43,14 +38,15 @@
 /*
  * returns the number of iovecs needed to log the given dquot item.
  */
-STATIC uint
+STATIC void
 xfs_qm_dquot_logitem_size(
-	struct xfs_log_item	*lip)
+	struct xfs_log_item	*lip,
+	int			*nvecs,
+	int			*nbytes)
 {
-	/*
-	 * we need only two iovecs, one for the format, one for the real thing
-	 */
-	return 2;
+	*nvecs += 2;
+	*nbytes += sizeof(struct xfs_dq_logformat) +
+		   sizeof(struct xfs_disk_dquot);
 }
 
 /*
@@ -59,20 +55,24 @@
 STATIC void
 xfs_qm_dquot_logitem_format(
 	struct xfs_log_item	*lip,
-	struct xfs_log_iovec	*logvec)
+	struct xfs_log_vec	*lv)
 {
 	struct xfs_dq_logitem	*qlip = DQUOT_ITEM(lip);
+	struct xfs_log_iovec	*vecp = NULL;
+	struct xfs_dq_logformat	*qlf;
 
-	logvec->i_addr = &qlip->qli_format;
-	logvec->i_len  = sizeof(xfs_dq_logformat_t);
-	logvec->i_type = XLOG_REG_TYPE_QFORMAT;
-	logvec++;
-	logvec->i_addr = &qlip->qli_dquot->q_core;
-	logvec->i_len  = sizeof(xfs_disk_dquot_t);
-	logvec->i_type = XLOG_REG_TYPE_DQUOT;
-
-	qlip->qli_format.qlf_size = 2;
-
+	qlf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_QFORMAT);
+	qlf->qlf_type = XFS_LI_DQUOT;
+	qlf->qlf_size = 2;
+	qlf->qlf_id = be32_to_cpu(qlip->qli_dquot->q_core.d_id);
+	qlf->qlf_blkno = qlip->qli_dquot->q_blkno;
+	qlf->qlf_len = 1;
+	qlf->qlf_boffset = qlip->qli_dquot->q_bufoffset;
+	xlog_finish_iovec(lv, vecp, sizeof(struct xfs_dq_logformat));
+
+	xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_DQUOT,
+			&qlip->qli_dquot->q_core,
+			sizeof(struct xfs_disk_dquot));
 }
 
 /*
@@ -140,7 +140,8 @@
 STATIC uint
 xfs_qm_dquot_logitem_push(
 	struct xfs_log_item	*lip,
-	struct list_head	*buffer_list)
+	struct list_head	*buffer_list) __releases(&lip->li_ailp->xa_lock)
+					      __acquires(&lip->li_ailp->xa_lock)
 {
 	struct xfs_dquot	*dqp = DQUOT_ITEM(lip)->qli_dquot;
 	struct xfs_buf		*bp = NULL;
@@ -258,18 +259,6 @@
 	xfs_log_item_init(dqp->q_mount, &lp->qli_item, XFS_LI_DQUOT,
 					&xfs_dquot_item_ops);
 	lp->qli_dquot = dqp;
-	lp->qli_format.qlf_type = XFS_LI_DQUOT;
-	lp->qli_format.qlf_id = be32_to_cpu(dqp->q_core.d_id);
-	lp->qli_format.qlf_blkno = dqp->q_blkno;
-	lp->qli_format.qlf_len = 1;
-	/*
-	 * This is just the offset of this dquot within its buffer
-	 * (which is currently 1 FSB and probably won't change).
-	 * Hence 32 bits for this offset should be just fine.
-	 * Alternatively, we can store (bufoffset / sizeof(xfs_dqblk_t))
-	 * here, and recompute it at recovery time.
-	 */
-	lp->qli_format.qlf_boffset = (__uint32_t)dqp->q_bufoffset;
 }
 
 /*------------------  QUOTAOFF LOG ITEMS  -------------------*/
@@ -285,33 +274,30 @@
  * We only need 1 iovec for an quotaoff item.  It just logs the
  * quotaoff_log_format structure.
  */
-STATIC uint
+STATIC void
 xfs_qm_qoff_logitem_size(
-	struct xfs_log_item	*lip)
+	struct xfs_log_item	*lip,
+	int			*nvecs,
+	int			*nbytes)
 {
-	return 1;
+	*nvecs += 1;
+	*nbytes += sizeof(struct xfs_qoff_logitem);
 }
 
-/*
- * This is called to fill in the vector of log iovecs for the
- * given quotaoff log item. We use only 1 iovec, and we point that
- * at the quotaoff_log_format structure embedded in the quotaoff item.
- * It is at this point that we assert that all of the extent
- * slots in the quotaoff item have been filled.
- */
 STATIC void
 xfs_qm_qoff_logitem_format(
 	struct xfs_log_item	*lip,
-	struct xfs_log_iovec	*log_vector)
+	struct xfs_log_vec	*lv)
 {
 	struct xfs_qoff_logitem	*qflip = QOFF_ITEM(lip);
+	struct xfs_log_iovec	*vecp = NULL;
+	struct xfs_qoff_logformat *qlf;
 
-	ASSERT(qflip->qql_format.qf_type == XFS_LI_QUOTAOFF);
-
-	log_vector->i_addr = &qflip->qql_format;
-	log_vector->i_len = sizeof(xfs_qoff_logitem_t);
-	log_vector->i_type = XLOG_REG_TYPE_QUOTAOFF;
-	qflip->qql_format.qf_size = 1;
+	qlf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_QUOTAOFF);
+	qlf->qf_type = XFS_LI_QUOTAOFF;
+	qlf->qf_size = 1;
+	qlf->qf_flags = qflip->qql_flags;
+	xlog_finish_iovec(lv, vecp, sizeof(struct xfs_qoff_logitem));
 }
 
 /*
@@ -451,8 +437,7 @@
 	xfs_log_item_init(mp, &qf->qql_item, XFS_LI_QUOTAOFF, start ?
 			&xfs_qm_qoffend_logitem_ops : &xfs_qm_qoff_logitem_ops);
 	qf->qql_item.li_mountp = mp;
-	qf->qql_format.qf_type = XFS_LI_QUOTAOFF;
-	qf->qql_format.qf_flags = flags;
 	qf->qql_start_lip = start;
+	qf->qql_flags = flags;
 	return qf;
 }