From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Use the incore dq_flags to figure out the dquot type. This is the first
step towards removing xfs_disk_dquot from the incore dquot.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_quota_defs.h | 2 ++
fs/xfs/scrub/quota.c | 4 ----
fs/xfs/xfs_dquot.c | 33 +++++++++++++++++++++++++++++++--
fs/xfs/xfs_dquot.h | 2 ++
fs/xfs/xfs_dquot_item.c | 6 ++++--
fs/xfs/xfs_qm.c | 4 ++--
fs/xfs/xfs_qm.h | 2 +-
fs/xfs/xfs_qm_syscalls.c | 9 +++------
8 files changed, 45 insertions(+), 17 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_quota_defs.h b/fs/xfs/libxfs/xfs_quota_defs.h
index 56d9dd787e7b..459023b0a304 100644
--- a/fs/xfs/libxfs/xfs_quota_defs.h
+++ b/fs/xfs/libxfs/xfs_quota_defs.h
@@ -29,6 +29,8 @@ typedef uint16_t xfs_qwarncnt_t;
#define XFS_DQ_ALLTYPES (XFS_DQ_USER|XFS_DQ_PROJ|XFS_DQ_GROUP)
+#define XFS_DQ_ONDISK (XFS_DQ_ALLTYPES)
+
#define XFS_DQ_FLAGS \
{ XFS_DQ_USER, "USER" }, \
{ XFS_DQ_PROJ, "PROJ" }, \
diff --git a/fs/xfs/scrub/quota.c b/fs/xfs/scrub/quota.c
index 905a34558361..710659d3fa28 100644
--- a/fs/xfs/scrub/quota.c
+++ b/fs/xfs/scrub/quota.c
@@ -108,10 +108,6 @@ xchk_quota_item(
sqi->last_id = id;
- /* Did we get the dquot type we wanted? */
- if (dqtype != (d->d_flags & XFS_DQ_ALLTYPES))
- xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, offset);
-
if (d->d_pad0 != cpu_to_be32(0) || d->d_pad != cpu_to_be16(0))
xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, offset);
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 46c8ca83c04d..59d1bce34a98 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -561,6 +561,16 @@ xfs_dquot_from_disk(
return 0;
}
+/* Copy the in-core quota fields into the on-disk buffer. */
+void
+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_flags = dqp->dq_flags & XFS_DQ_ONDISK;
+}
+
/* Allocate and initialize the dquot buffer for this in-core dquot. */
static int
xfs_qm_dqread_alloc(
@@ -1108,6 +1118,17 @@ xfs_qm_dqflush_done(
xfs_dqfunlock(dqp);
}
+/* Check incore dquot for errors before we flush. */
+static xfs_failaddr_t
+xfs_qm_dqflush_check(
+ struct xfs_dquot *dqp)
+{
+ if (hweight8(dqp->dq_flags & XFS_DQ_ALLTYPES) != 1)
+ return __this_address;
+
+ return NULL;
+}
+
/*
* Write a modified dquot to disk.
* The dquot must be locked and the flush lock too taken by caller.
@@ -1166,8 +1187,16 @@ xfs_qm_dqflush(
goto out_abort;
}
- /* This is the only portion of data that needs to persist */
- memcpy(ddqp, &dqp->q_core, sizeof(struct xfs_disk_dquot));
+ fa = xfs_qm_dqflush_check(dqp);
+ if (fa) {
+ xfs_alert(mp, "corrupt dquot ID 0x%x in memory at %pS",
+ be32_to_cpu(dqp->q_core.d_id), fa);
+ xfs_buf_relse(bp);
+ error = -EFSCORRUPTED;
+ goto out_abort;
+ }
+
+ xfs_dquot_to_disk(ddqp, dqp);
/*
* Clear the dirty field and remember the flush lsn for later use.
diff --git a/fs/xfs/xfs_dquot.h b/fs/xfs/xfs_dquot.h
index 71e36c85e20b..1b1a4261a580 100644
--- a/fs/xfs/xfs_dquot.h
+++ b/fs/xfs/xfs_dquot.h
@@ -144,6 +144,8 @@ static inline bool xfs_dquot_lowsp(struct xfs_dquot *dqp)
return false;
}
+void xfs_dquot_to_disk(struct xfs_disk_dquot *ddqp, struct xfs_dquot *dqp);
+
#define XFS_DQ_IS_LOCKED(dqp) (mutex_is_locked(&((dqp)->q_qlock)))
#define XFS_DQ_IS_DIRTY(dqp) ((dqp)->dq_flags & XFS_DQ_DIRTY)
#define XFS_QM_ISUDQ(dqp) ((dqp)->dq_flags & XFS_DQ_USER)
diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index 349c92d26570..ff0ab65cf413 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -45,6 +45,7 @@ xfs_qm_dquot_logitem_format(
struct xfs_log_item *lip,
struct xfs_log_vec *lv)
{
+ struct xfs_disk_dquot ddq;
struct xfs_dq_logitem *qlip = DQUOT_ITEM(lip);
struct xfs_log_iovec *vecp = NULL;
struct xfs_dq_logformat *qlf;
@@ -58,8 +59,9 @@ xfs_qm_dquot_logitem_format(
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,
+ xfs_dquot_to_disk(&ddq, qlip->qli_dquot);
+
+ xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_DQUOT, &ddq,
sizeof(struct xfs_disk_dquot));
}
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 938023dd8ce5..632025c2f00b 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -161,7 +161,7 @@ xfs_qm_dqpurge(
xfs_dqfunlock(dqp);
xfs_dqunlock(dqp);
- radix_tree_delete(xfs_dquot_tree(qi, dqp->q_core.d_flags),
+ radix_tree_delete(xfs_dquot_tree(qi, dqp->dq_flags),
be32_to_cpu(dqp->q_core.d_id));
qi->qi_dquots--;
@@ -1598,7 +1598,7 @@ xfs_qm_dqfree_one(
struct xfs_quotainfo *qi = mp->m_quotainfo;
mutex_lock(&qi->qi_tree_lock);
- radix_tree_delete(xfs_dquot_tree(qi, dqp->q_core.d_flags),
+ radix_tree_delete(xfs_dquot_tree(qi, dqp->dq_flags),
be32_to_cpu(dqp->q_core.d_id));
qi->qi_dquots--;
diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h
index 7b0e771fcbce..43b4650cdcdf 100644
--- a/fs/xfs/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
@@ -85,7 +85,7 @@ xfs_dquot_tree(
struct xfs_quotainfo *qi,
int type)
{
- switch (type) {
+ switch (type & XFS_DQ_ALLTYPES) {
case XFS_DQ_USER:
return &qi->qi_uquota_tree;
case XFS_DQ_GROUP:
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 7effd7a28136..8cbb65f01bf1 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -644,12 +644,9 @@ 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) &&
- dqp->q_core.d_flags == XFS_DQ_USER) ||
- (!XFS_IS_GQUOTA_ENFORCED(mp) &&
- dqp->q_core.d_flags == XFS_DQ_GROUP) ||
- (!XFS_IS_PQUOTA_ENFORCED(mp) &&
- dqp->q_core.d_flags == XFS_DQ_PROJ)) {
+ if ((!XFS_IS_UQUOTA_ENFORCED(mp) && (dqp->dq_flags & XFS_DQ_USER)) ||
+ (!XFS_IS_GQUOTA_ENFORCED(mp) && (dqp->dq_flags & XFS_DQ_GROUP)) ||
+ (!XFS_IS_PQUOTA_ENFORCED(mp) && (dqp->dq_flags & XFS_DQ_PROJ))) {
dst->d_spc_timer = 0;
dst->d_ino_timer = 0;
dst->d_rt_spc_timer = 0;
