Merge branch 'next' into for-linus

Prepare input updates for 7.1 merge window.

1 files changed, 28 insertions, 0 deletions

diff --git a/include/linux/buildid.h b/include/linux/buildid.h
index 014a88c41073..7acc06b22fb7 100644
--- a/include/linux/buildid.h
+++ b/include/linux/buildid.h
@@ -7,7 +7,10 @@
 #define BUILD_ID_SIZE_MAX 20
 
 struct vm_area_struct;
+struct file;
+
 int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id, __u32 *size);
+int build_id_parse_file(struct file *file, unsigned char *build_id, __u32 *size);
 int build_id_parse_nofault(struct vm_area_struct *vma, unsigned char *build_id, __u32 *size);
 int build_id_parse_buf(const void *buf, unsigned char *build_id, u32 buf_size);
 
@@ -18,4 +21,29 @@ void init_vmlinux_build_id(void);
 static inline void init_vmlinux_build_id(void) { }
 #endif
 
+struct freader {
+	void *buf;
+	u32 buf_sz;
+	int err;
+	union {
+		struct {
+			struct file *file;
+			struct folio *folio;
+			void *addr;
+			loff_t folio_off;
+			bool may_fault;
+		};
+		struct {
+			const char *data;
+			u64 data_sz;
+		};
+	};
+};
+
+void freader_init_from_file(struct freader *r, void *buf, u32 buf_sz,
+			    struct file *file, bool may_fault);
+void freader_init_from_mem(struct freader *r, const char *data, u64 data_sz);
+const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz);
+void freader_cleanup(struct freader *r);
+
 #endif