xfs: remove qcore from incore dquots

Now that we've stopped using qcore entirely, drop it from the incore
dquot.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

1 files changed, 13 insertions, 23 deletions

diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index b094fc495407..6ed3cdeb67f0 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -529,7 +529,6 @@ xfs_dquot_from_disk(
 	}
 
 	/* copy everything from disk dquot to the incore dquot */
-	memcpy(&dqp->q_core, ddqp, sizeof(struct xfs_disk_dquot));
 	dqp->q_blk.hardlimit = be64_to_cpu(ddqp->d_blk_hardlimit);
 	dqp->q_blk.softlimit = be64_to_cpu(ddqp->d_blk_softlimit);
 	dqp->q_ino.hardlimit = be64_to_cpu(ddqp->d_ino_hardlimit);
@@ -568,7 +567,13 @@ xfs_dquot_to_disk(
 	struct xfs_disk_dquot	*ddqp,
 	struct xfs_dquot	*dqp)
 {
-	memcpy(ddqp, &dqp->q_core, sizeof(struct xfs_disk_dquot));
+	ddqp->d_magic = cpu_to_be16(XFS_DQUOT_MAGIC);
+	ddqp->d_version = XFS_DQUOT_VERSION;
+	ddqp->d_flags = dqp->dq_flags & XFS_DQ_ALLTYPES;
+	ddqp->d_id = cpu_to_be32(dqp->q_id);
+	ddqp->d_pad0 = 0;
+	ddqp->d_pad = 0;
+
 	ddqp->d_blk_hardlimit = cpu_to_be64(dqp->q_blk.hardlimit);
 	ddqp->d_blk_softlimit = cpu_to_be64(dqp->q_blk.softlimit);
 	ddqp->d_ino_hardlimit = cpu_to_be64(dqp->q_ino.hardlimit);
@@ -1189,8 +1194,7 @@ xfs_qm_dqflush(
 	struct xfs_mount	*mp = dqp->q_mount;
 	struct xfs_log_item	*lip = &dqp->q_logitem.qli_item;
 	struct xfs_buf		*bp;
-	struct xfs_dqblk	*dqb;
-	struct xfs_disk_dquot	*ddqp;
+	struct xfs_dqblk	*dqblk;
 	xfs_failaddr_t		fa;
 	int			error;
 
@@ -1214,22 +1218,6 @@ xfs_qm_dqflush(
 	if (error)
 		goto out_abort;
 
-	/*
-	 * Calculate the location of the dquot inside the buffer.
-	 */
-	dqb = bp->b_addr + dqp->q_bufoffset;
-	ddqp = &dqb->dd_diskdq;
-
-	/* sanity check the in-core structure before we flush */
-	fa = xfs_dquot_verify(mp, &dqp->q_core, dqp->q_id, 0);
-	if (fa) {
-		xfs_alert(mp, "corrupt dquot ID 0x%x in memory at %pS",
-				dqp->q_id, fa);
-		xfs_buf_relse(bp);
-		error = -EFSCORRUPTED;
-		goto out_abort;
-	}
-
 	fa = xfs_qm_dqflush_check(dqp);
 	if (fa) {
 		xfs_alert(mp, "corrupt dquot ID 0x%x in memory at %pS",
@@ -1239,7 +1227,9 @@ xfs_qm_dqflush(
 		goto out_abort;
 	}
 
-	xfs_dquot_to_disk(ddqp, dqp);
+	/* Flush the incore dquot to the ondisk buffer. */
+	dqblk = bp->b_addr + dqp->q_bufoffset;
+	xfs_dquot_to_disk(&dqblk->dd_diskdq, dqp);
 
 	/*
 	 * Clear the dirty field and remember the flush lsn for later use.
@@ -1259,8 +1249,8 @@ xfs_qm_dqflush(
 	 * of a dquot without an up-to-date CRC getting to disk.
 	 */
 	if (xfs_sb_version_hascrc(&mp->m_sb)) {
-		dqb->dd_lsn = cpu_to_be64(dqp->q_logitem.qli_item.li_lsn);
-		xfs_update_cksum((char *)dqb, sizeof(struct xfs_dqblk),
+		dqblk->dd_lsn = cpu_to_be64(dqp->q_logitem.qli_item.li_lsn);
+		xfs_update_cksum((char *)dqblk, sizeof(struct xfs_dqblk),
 				 XFS_DQUOT_CRC_OFF);
 	}