[PATCH 03/11] xfs: refactor testing if a particular dquot is being enforced

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From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

Create a small helper to test if enforcement is enabled for a
given incore dquot and replace the open-code logic testing.

Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
 fs/xfs/xfs_dquot.h       |   17 +++++++++++++++++
 fs/xfs/xfs_qm_syscalls.c |    9 ++-------
 fs/xfs/xfs_trans_dquot.c |    4 +---
 3 files changed, 20 insertions(+), 10 deletions(-)


diff --git a/fs/xfs/xfs_dquot.h b/fs/xfs/xfs_dquot.h
index 17a21677723f..fcf9bd676615 100644
--- a/fs/xfs/xfs_dquot.h
+++ b/fs/xfs/xfs_dquot.h
@@ -156,6 +156,23 @@ static inline struct xfs_dquot *xfs_inode_dquot(struct xfs_inode *ip, int type)
 	}
 }
 
+/* Decide if the dquot's limits are actually being enforced. */
+static inline bool
+xfs_dquot_is_enforced(
+	const struct xfs_dquot	*dqp)
+{
+	switch (dqp->dq_flags & XFS_DQTYPE_REC_MASK) {
+	case XFS_DQTYPE_USER:
+		return XFS_IS_UQUOTA_ENFORCED(dqp->q_mount);
+	case XFS_DQTYPE_GROUP:
+		return XFS_IS_GQUOTA_ENFORCED(dqp->q_mount);
+	case XFS_DQTYPE_PROJ:
+		return XFS_IS_PQUOTA_ENFORCED(dqp->q_mount);
+	}
+	ASSERT(0);
+	return false;
+}
+
 /*
  * Check whether a dquot is under low free space conditions. We assume the quota
  * is enabled and enforced.
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 119c3d7d5f51..f7dbc702e4d6 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -660,19 +660,14 @@ xfs_qm_scall_getquota_fill_qc(
 	 * gets turned off. No need to confuse the user level code,
 	 * so return zeroes in that case.
 	 */
-	if ((!XFS_IS_UQUOTA_ENFORCED(mp) && type == XFS_DQTYPE_USER) ||
-	    (!XFS_IS_GQUOTA_ENFORCED(mp) && type == XFS_DQTYPE_GROUP) ||
-	    (!XFS_IS_PQUOTA_ENFORCED(mp) && type == XFS_DQTYPE_PROJ)) {
+	if (!xfs_dquot_is_enforced(dqp)) {
 		dst->d_spc_timer = 0;
 		dst->d_ino_timer = 0;
 		dst->d_rt_spc_timer = 0;
 	}
 
 #ifdef DEBUG
-	if (((XFS_IS_UQUOTA_ENFORCED(mp) && type == XFS_DQTYPE_USER) ||
-	     (XFS_IS_GQUOTA_ENFORCED(mp) && type == XFS_DQTYPE_GROUP) ||
-	     (XFS_IS_PQUOTA_ENFORCED(mp) && type == XFS_DQTYPE_PROJ)) &&
-	    dqp->q_id != 0) {
+	if (xfs_dquot_is_enforced(dqp) && dqp->q_id != 0) {
 		if ((dst->d_space > dst->d_spc_softlimit) &&
 		    (dst->d_spc_softlimit > 0)) {
 			ASSERT(dst->d_spc_timer != 0);
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index ea61e279f831..d7d710d25bbd 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -650,9 +650,7 @@ xfs_trans_dqresv(
 	}
 
 	if ((flags & XFS_QMOPT_FORCE_RES) == 0 && dqp->q_id &&
-	    ((XFS_IS_UQUOTA_ENFORCED(dqp->q_mount) && XFS_QM_ISUDQ(dqp)) ||
-	     (XFS_IS_GQUOTA_ENFORCED(dqp->q_mount) && XFS_QM_ISGDQ(dqp)) ||
-	     (XFS_IS_PQUOTA_ENFORCED(dqp->q_mount) && XFS_QM_ISPDQ(dqp)))) {
+	    xfs_dquot_is_enforced(dqp)) {
 		int		quota_nl;
 		bool		fatal;
 




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