From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Create two incore dquot initialization functions that will help us to
disentangle dqget and dqread.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
fs/xfs/xfs_dquot.c | 80 +++++++++++++++++++++++++++++++++-------------------
1 file changed, 50 insertions(+), 30 deletions(-)
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 62415f1..7154909 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -491,26 +491,14 @@ xfs_qm_dqtobp(
return 0;
}
-
-/*
- * Read in the ondisk dquot using dqtobp() then copy it to an incore version,
- * and release the buffer immediately.
- *
- * If XFS_QMOPT_DQALLOC is set, allocate a dquot on disk if it needed.
- */
-int
-xfs_qm_dqread(
+/* Allocate and initialize everything we need for an incore dquot. */
+STATIC struct xfs_dquot *
+xfs_qm_dqinit_once(
struct xfs_mount *mp,
xfs_dqid_t id,
- uint type,
- uint flags,
- struct xfs_dquot **O_dqpp)
+ uint type)
{
struct xfs_dquot *dqp;
- struct xfs_disk_dquot *ddqp;
- struct xfs_buf *bp;
- struct xfs_trans *tp = NULL;
- int error;
dqp = kmem_zone_zalloc(xfs_qm_dqzone, KM_SLEEP);
@@ -549,7 +537,52 @@ xfs_qm_dqread(
}
XFS_STATS_INC(mp, xs_qm_dquot);
+ return dqp;
+}
+
+/* Copy the in-core quota fields in from the on-disk buffer. */
+STATIC void
+xfs_qm_dqinit_from_buf(
+ struct xfs_dquot *dqp,
+ struct xfs_disk_dquot *ddqp)
+{
+ /* copy everything from disk dquot to the incore dquot */
+ memcpy(&dqp->q_core, ddqp, sizeof(xfs_disk_dquot_t));
+ xfs_qm_dquot_logitem_init(dqp);
+
+ /*
+ * Reservation counters are defined as reservation plus current usage
+ * to avoid having to add every time.
+ */
+ dqp->q_res_bcount = be64_to_cpu(ddqp->d_bcount);
+ dqp->q_res_icount = be64_to_cpu(ddqp->d_icount);
+ dqp->q_res_rtbcount = be64_to_cpu(ddqp->d_rtbcount);
+
+ /* initialize the dquot speculative prealloc thresholds */
+ xfs_dquot_set_prealloc_limits(dqp);
+}
+
+/*
+ * Read in the ondisk dquot using dqtobp() then copy it to an incore version,
+ * and release the buffer immediately.
+ *
+ * If XFS_QMOPT_DQALLOC is set, allocate a dquot on disk if it needed.
+ */
+int
+xfs_qm_dqread(
+ struct xfs_mount *mp,
+ xfs_dqid_t id,
+ uint type,
+ uint flags,
+ struct xfs_dquot **O_dqpp)
+{
+ struct xfs_dquot *dqp;
+ struct xfs_disk_dquot *ddqp;
+ struct xfs_buf *bp;
+ struct xfs_trans *tp = NULL;
+ int error;
+ dqp = xfs_qm_dqinit_once(mp, id, type);
trace_xfs_dqread(dqp);
if (flags & XFS_QMOPT_DQALLOC) {
@@ -574,20 +607,7 @@ xfs_qm_dqread(
goto error1;
}
- /* copy everything from disk dquot to the incore dquot */
- memcpy(&dqp->q_core, ddqp, sizeof(xfs_disk_dquot_t));
- xfs_qm_dquot_logitem_init(dqp);
-
- /*
- * Reservation counters are defined as reservation plus current usage
- * to avoid having to add every time.
- */
- dqp->q_res_bcount = be64_to_cpu(ddqp->d_bcount);
- dqp->q_res_icount = be64_to_cpu(ddqp->d_icount);
- dqp->q_res_rtbcount = be64_to_cpu(ddqp->d_rtbcount);
-
- /* initialize the dquot speculative prealloc thresholds */
- xfs_dquot_set_prealloc_limits(dqp);
+ xfs_qm_dqinit_from_buf(dqp, ddqp);
/* Mark the buf so that this will stay incore a little longer */
xfs_buf_set_ref(bp, XFS_DQUOT_REF);
--
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