sky2: Receive Overflows not counted

[pandora-kernel.git] / fs / read_write.c

diff --git a/fs/read_write.c b/fs/read_write.c
index a698eff..e6ddc8d 100644 (file)
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -17,6 +17,7 @@
 #include <linux/splice.h>
 #include <linux/compat.h>
 #include "read_write.h"
+#include "internal.h"
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
@@ -417,6 +418,33 @@ ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, lof
 
 EXPORT_SYMBOL(do_sync_write);
 
+ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t *pos)
+{
+       mm_segment_t old_fs;
+       const char __user *p;
+       ssize_t ret;
+
+       if (!file->f_op || (!file->f_op->write && !file->f_op->aio_write))
+               return -EINVAL;
+
+       old_fs = get_fs();
+       set_fs(get_ds());
+       p = (__force const char __user *)buf;
+       if (count > MAX_RW_COUNT)
+               count =  MAX_RW_COUNT;
+       if (file->f_op->write)
+               ret = file->f_op->write(file, p, count, pos);
+       else
+               ret = do_sync_write(file, p, count, pos);
+       set_fs(old_fs);
+       if (ret > 0) {
+               fsnotify_modify(file);
+               add_wchar(current, ret);
+       }
+       inc_syscw(current);
+       return ret;
+}
+
 ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_t *pos)
 {
        ssize_t ret;