pstore: Replace arguments for write_buf_user() API
Removes argument list in favor of pstore record, though the user buffer
remains passed separately since it must carry the __user annotation.
Signed-off-by: Kees Cook <keescook@chromium.org>
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index cbf5e56..9b85d3e 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -152,18 +152,11 @@ struct pstore_record {
*
* @write_buf_user:
* Perform a frontend write to a backend record, using a specified
- * buffer that is coming directly from userspace.
+ * buffer that is coming directly from userspace, instead of the
+ * @record @buf.
*
- * @type: in: pstore record type to write
- * @reason:
- * in: pstore write reason
- * @id: out: unique identifier for the record
- * @part: in: position in a multipart write
- * @buf: in: pointer to userspace contents to write to backend record
- * @compressed:
- * in: if the record is compressed
- * @size: in: size of the write
- * @psi: in: pointer to the struct pstore_info for the backend
+ * @record: pointer to record metadata.
+ * @buf: pointer to userspace contents to write to backend
*
* Returns 0 on success, and non-zero on error.
*
@@ -196,10 +189,8 @@ struct pstore_info {
ssize_t (*read)(struct pstore_record *record);
int (*write)(struct pstore_record *record);
int (*write_buf)(struct pstore_record *record);
- int (*write_buf_user)(enum pstore_type_id type,
- enum kmsg_dump_reason reason, u64 *id,
- unsigned int part, const char __user *buf,
- bool compressed, size_t size, struct pstore_info *psi);
+ int (*write_buf_user)(struct pstore_record *record,
+ const char __user *buf);
int (*erase)(struct pstore_record *record);
};