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-rw-r--r--module/zfs/zfs_vfsops.c34
1 files changed, 25 insertions, 9 deletions
diff --git a/module/zfs/zfs_vfsops.c b/module/zfs/zfs_vfsops.c
index 175dca821..fc5c2ba39 100644
--- a/module/zfs/zfs_vfsops.c
+++ b/module/zfs/zfs_vfsops.c
@@ -49,6 +49,7 @@
#include <sys/spa.h>
#include <sys/zap.h>
#include <sys/sa.h>
+#include <sys/sa_impl.h>
#include <sys/varargs.h>
#include <sys/policy.h>
#include <sys/atomic.h>
@@ -63,7 +64,6 @@
#include <sys/dnlc.h>
#include <sys/dmu_objset.h>
#include <sys/spa_boot.h>
-#include <sys/sa.h>
#include <sys/zpl.h>
#include "zfs_comutil.h"
@@ -300,7 +300,6 @@ static int
zfs_space_delta_cb(dmu_object_type_t bonustype, void *data,
uint64_t *userp, uint64_t *groupp)
{
- znode_phys_t *znp = data;
int error = 0;
/*
@@ -319,20 +318,18 @@ zfs_space_delta_cb(dmu_object_type_t bonustype, void *data,
return (EEXIST);
if (bonustype == DMU_OT_ZNODE) {
+ znode_phys_t *znp = data;
*userp = znp->zp_uid;
*groupp = znp->zp_gid;
} else {
int hdrsize;
+ sa_hdr_phys_t *sap = data;
+ sa_hdr_phys_t sa = *sap;
+ boolean_t swap = B_FALSE;
ASSERT(bonustype == DMU_OT_SA);
- hdrsize = sa_hdrsize(data);
- if (hdrsize != 0) {
- *userp = *((uint64_t *)((uintptr_t)data + hdrsize +
- SA_UID_OFFSET));
- *groupp = *((uint64_t *)((uintptr_t)data + hdrsize +
- SA_GID_OFFSET));
- } else {
+ if (sa.sa_magic == 0) {
/*
* This should only happen for newly created
* files that haven't had the znode data filled
@@ -340,6 +337,25 @@ zfs_space_delta_cb(dmu_object_type_t bonustype, void *data,
*/
*userp = 0;
*groupp = 0;
+ return (0);
+ }
+ if (sa.sa_magic == BSWAP_32(SA_MAGIC)) {
+ sa.sa_magic = SA_MAGIC;
+ sa.sa_layout_info = BSWAP_16(sa.sa_layout_info);
+ swap = B_TRUE;
+ } else {
+ VERIFY3U(sa.sa_magic, ==, SA_MAGIC);
+ }
+
+ hdrsize = sa_hdrsize(&sa);
+ VERIFY3U(hdrsize, >=, sizeof (sa_hdr_phys_t));
+ *userp = *((uint64_t *)((uintptr_t)data + hdrsize +
+ SA_UID_OFFSET));
+ *groupp = *((uint64_t *)((uintptr_t)data + hdrsize +
+ SA_GID_OFFSET));
+ if (swap) {
+ *userp = BSWAP_64(*userp);
+ *groupp = BSWAP_64(*groupp);
}
}
return (error);