[PATCH 2/2] net: Remove fs.h from net.h

From: Matthew Wilcox (Oracle)
Date: Mon Jun 21 2021 - 13:05:45 EST


We only need read_descriptor_t from fs.h, but the funny thing is that
fs.h doesn't need read_descriptor_t any more, so just move it to net.h.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
Documentation/filesystems/locking.rst | 2 --
include/linux/fs.h | 22 ----------------------
include/linux/net.h | 21 ++++++++++++++++++++-
3 files changed, 20 insertions(+), 25 deletions(-)

diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst
index 1e894480115b..4f519d6efb73 100644
--- a/Documentation/filesystems/locking.rst
+++ b/Documentation/filesystems/locking.rst
@@ -522,8 +522,6 @@ prototypes::
loff_t *);
ssize_t (*writev) (struct file *, const struct iovec *, unsigned long,
loff_t *);
- ssize_t (*sendfile) (struct file *, loff_t *, size_t, read_actor_t,
- void __user *);
ssize_t (*sendpage) (struct file *, struct page *, int, size_t,
loff_t *, int);
unsigned long (*get_unmapped_area)(struct file *, unsigned long,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index c3c88fdb9b2a..f2710ef476a4 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -345,28 +345,6 @@ static inline bool is_sync_kiocb(struct kiocb *kiocb)
return kiocb->ki_complete == NULL;
}

-/*
- * "descriptor" for what we're up to with a read.
- * This allows us to use the same read code yet
- * have multiple different users of the data that
- * we read from a file.
- *
- * The simplest case just copies the data to user
- * mode.
- */
-typedef struct {
- size_t written;
- size_t count;
- union {
- char __user *buf;
- void *data;
- } arg;
- int error;
-} read_descriptor_t;
-
-typedef int (*read_actor_t)(read_descriptor_t *, struct page *,
- unsigned long, unsigned long);
-
struct address_space_operations {
int (*writepage)(struct page *page, struct writeback_control *wbc);
int (*readpage)(struct file *, struct page *);
diff --git a/include/linux/net.h b/include/linux/net.h
index f54c8f478f3e..f6f9603a60bf 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -20,7 +20,6 @@
#include <linux/fcntl.h> /* For O_CLOEXEC and O_NONBLOCK */
#include <linux/rcupdate.h>
#include <linux/once.h>
-#include <linux/fs.h>
#include <linux/page_ref.h>
#include <linux/sockptr.h>

@@ -131,6 +130,26 @@ struct sockaddr;
struct msghdr;
struct module;
struct sk_buff;
+
+/*
+ * "descriptor" for what we're up to with a read.
+ * This allows us to use the same read code yet
+ * have multiple different users of the data that
+ * we read from a file.
+ *
+ * The simplest case just copies the data to user
+ * mode.
+ */
+typedef struct read_descriptor {
+ size_t written;
+ size_t count;
+ union {
+ char __user *buf;
+ void *data;
+ } arg;
+ int error;
+} read_descriptor_t;
+
typedef int (*sk_read_actor_t)(read_descriptor_t *, struct sk_buff *,
unsigned int, size_t);

--
2.30.2