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-rw-r--r--include/linux/stackleak.h6
-rw-r--r--include/linux/virtio_pci_modern.h7
-rw-r--r--include/uapi/linux/btrfs_tree.h24
-rw-r--r--include/uapi/linux/virtio_pci.h11
4 files changed, 33 insertions, 15 deletions
diff --git a/include/linux/stackleak.h b/include/linux/stackleak.h
index c36e7a3b45e7..3be2cb564710 100644
--- a/include/linux/stackleak.h
+++ b/include/linux/stackleak.h
@@ -14,6 +14,7 @@
#ifdef CONFIG_GCC_PLUGIN_STACKLEAK
#include <asm/stacktrace.h>
+#include <linux/linkage.h>
/*
* The lowest address on tsk's stack which we can plausibly erase.
@@ -76,6 +77,11 @@ static inline void stackleak_task_init(struct task_struct *t)
# endif
}
+asmlinkage void noinstr stackleak_erase(void);
+asmlinkage void noinstr stackleak_erase_on_task_stack(void);
+asmlinkage void noinstr stackleak_erase_off_task_stack(void);
+void __no_caller_saved_registers noinstr stackleak_track_stack(void);
+
#else /* !CONFIG_GCC_PLUGIN_STACKLEAK */
static inline void stackleak_task_init(struct task_struct *t) { }
#endif
diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h
index d0f2797420f7..a09e13a577a9 100644
--- a/include/linux/virtio_pci_modern.h
+++ b/include/linux/virtio_pci_modern.h
@@ -5,13 +5,6 @@
#include <linux/pci.h>
#include <linux/virtio_pci.h>
-struct virtio_pci_modern_common_cfg {
- struct virtio_pci_common_cfg cfg;
-
- __le16 queue_notify_data; /* read-write */
- __le16 queue_reset; /* read-write */
-};
-
/**
* struct virtio_pci_modern_device - info for modern PCI virtio
* @pci_dev: Ptr to the PCI device struct
diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h
index c25fc9614594..d24e8e121507 100644
--- a/include/uapi/linux/btrfs_tree.h
+++ b/include/uapi/linux/btrfs_tree.h
@@ -219,6 +219,22 @@
*/
#define BTRFS_METADATA_ITEM_KEY 169
+/*
+ * Special inline ref key which stores the id of the subvolume which originally
+ * created the extent. This subvolume owns the extent permanently from the
+ * perspective of simple quotas. Needed to know which subvolume to free quota
+ * usage from when the extent is deleted.
+ *
+ * Stored as an inline ref rather to avoid wasting space on a separate item on
+ * top of the existing extent item. However, unlike the other inline refs,
+ * there is one one owner ref per extent rather than one per extent.
+ *
+ * Because of this, it goes at the front of the list of inline refs, and thus
+ * must have a lower type value than any other inline ref type (to satisfy the
+ * disk format rule that inline refs have non-decreasing type).
+ */
+#define BTRFS_EXTENT_OWNER_REF_KEY 172
+
#define BTRFS_TREE_BLOCK_REF_KEY 176
#define BTRFS_EXTENT_DATA_REF_KEY 178
@@ -234,14 +250,6 @@
#define BTRFS_SHARED_DATA_REF_KEY 184
/*
- * Special inline ref key which stores the id of the subvolume which originally
- * created the extent. This subvolume owns the extent permanently from the
- * perspective of simple quotas. Needed to know which subvolume to free quota
- * usage from when the extent is deleted.
- */
-#define BTRFS_EXTENT_OWNER_REF_KEY 188
-
-/*
* block groups give us hints into the extent allocation trees. Which
* blocks are free etc etc
*/
diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h
index f703afc7ad31..44f4dd2add18 100644
--- a/include/uapi/linux/virtio_pci.h
+++ b/include/uapi/linux/virtio_pci.h
@@ -166,6 +166,17 @@ struct virtio_pci_common_cfg {
__le32 queue_used_hi; /* read-write */
};
+/*
+ * Warning: do not use sizeof on this: use offsetofend for
+ * specific fields you need.
+ */
+struct virtio_pci_modern_common_cfg {
+ struct virtio_pci_common_cfg cfg;
+
+ __le16 queue_notify_data; /* read-write */
+ __le16 queue_reset; /* read-write */
+};
+
/* Fields in VIRTIO_PCI_CAP_PCI_CFG: */
struct virtio_pci_cfg_cap {
struct virtio_pci_cap cap;