Changeset 615 for GPL/branches/uniaud32-next/include/linux/uio.h

Timestamp:

Jan 1, 2021, 5:31:48 AM (5 years ago)

Author:

Paul Smedley

Message:

Add source for uniaud32 based on code from linux kernel 5.4.86

Location:

GPL/branches/uniaud32-next

Files:

• . (copied) (copied from GPL/branches/uniaud32-linux-3.2.102 )
• include/linux/uio.h (modified) (2 diffs)

GPL/branches/uniaud32-next/include/linux/uio.h

@@ -3 +3 @@
 #ifndef _LINUX_UIO_H
 #define _LINUX_UIO_H
+
+enum {
+        ITER_IOVEC = 0,
+        ITER_KVEC = 2,
+        ITER_BVEC = 4,
+};
+
 struct iovec {
         char    *iov_base;      /* Base address. */
@@ -12 +19 @@
 };
 
+struct iov_iter {
+        int type;
+        size_t iov_offset;
+        size_t count;
+        union {
+                const struct iovec *iov;
+                const struct kvec *kvec;
+                const struct bio_vec *bvec;
+        };
+        unsigned long nr_segs;
+};
+
+static inline bool iter_is_iovec(const struct iov_iter *i)
+{
+        return !(i->type & (ITER_BVEC | ITER_KVEC));
+}
+
 #endif /* _LINUX_UIO_H */