[PATCH 2/4] xfs: get quota inode from mp & flags rather than dqp

[Eric Sandeen <sandeen@sandeen.net>]

Allow us to get the appropriate quota inode from any
mp & quota flags, not necessarily associated with a
particular dqp.  Needed for when we are searching for
the next active ID with quotas and we want to examine
the quota inode.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---
 fs/xfs/xfs_dquot.c |    3 ++-
 fs/xfs/xfs_qm.h    |   10 +++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 9c44d38..1983afc 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -464,12 +464,13 @@ xfs_qm_dqtobp(
 	struct xfs_bmbt_irec	map;
 	int			nmaps = 1, error;
 	struct xfs_buf		*bp;
-	struct xfs_inode	*quotip = xfs_dq_to_quota_inode(dqp);
+	struct xfs_inode	*quotip;
 	struct xfs_mount	*mp = dqp->q_mount;
 	xfs_dqid_t		id = be32_to_cpu(dqp->q_core.d_id);
 	struct xfs_trans	*tp = (tpp ? *tpp : NULL);
 	uint			lock_mode;
 
+	quotip = xfs_quota_inode(dqp->q_mount, dqp->dq_flags);
 	dqp->q_fileoffset = (xfs_fileoff_t)id / mp->m_quotainfo->qi_dqperchunk;
 
 	lock_mode = xfs_ilock_data_map_shared(quotip);
diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h
index 996a040..8901a01 100644
--- a/fs/xfs/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
@@ -104,15 +104,15 @@ xfs_dquot_tree(
 }
 
 static inline struct xfs_inode *
-xfs_dq_to_quota_inode(struct xfs_dquot *dqp)
+xfs_quota_inode(xfs_mount_t *mp, uint dq_flags)
 {
-	switch (dqp->dq_flags & XFS_DQ_ALLTYPES) {
+	switch (dq_flags & XFS_DQ_ALLTYPES) {
 	case XFS_DQ_USER:
-		return dqp->q_mount->m_quotainfo->qi_uquotaip;
+		return mp->m_quotainfo->qi_uquotaip;
 	case XFS_DQ_GROUP:
-		return dqp->q_mount->m_quotainfo->qi_gquotaip;
+		return mp->m_quotainfo->qi_gquotaip;
 	case XFS_DQ_PROJ:
-		return dqp->q_mount->m_quotainfo->qi_pquotaip;
+		return mp->m_quotainfo->qi_pquotaip;
 	default:
 		ASSERT(0);
 	}
-- 
1.7.1

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