[PATCH] Vectorize aio_read/aio_write fileop methods

This patch vectorizes aio_read() and aio_write() methods to prepare for
collapsing all aio & vectored operations into one interface - which is
aio_read()/aio_write().

Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Michael Holzheu <HOLZHEU@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 4 insertions, 5 deletions

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 247d7f619aa2..eb1a6cad21e6 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -356,10 +356,9 @@ The last two are called only from check_disk_change().
 prototypes:
         loff_t (*llseek) (struct file *, loff_t, int);
         ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
-        ssize_t (*aio_read) (struct kiocb *, char __user *, size_t, loff_t);
         ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
-        ssize_t (*aio_write) (struct kiocb *, const char __user *, size_t,
-                        loff_t);
+        ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
+        ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
         int (*readdir) (struct file *, void *, filldir_t);
         unsigned int (*poll) (struct file *, struct poll_table_struct *);
         int (*ioctl) (struct inode *, struct file *, unsigned int,
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 1cb7e8be927a..cd07c21b8400 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -699,9 +699,9 @@ This describes how the VFS can manipulate an open file. As of kernel
 struct file_operations {
         loff_t (*llseek) (struct file *, loff_t, int);
         ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
-        ssize_t (*aio_read) (struct kiocb *, char __user *, size_t, loff_t);
         ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
-        ssize_t (*aio_write) (struct kiocb *, const char __user *, size_t, loff_t);
+        ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
+        ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
         int (*readdir) (struct file *, void *, filldir_t);
         unsigned int (*poll) (struct file *, struct poll_table_struct *);
         int (*ioctl) (struct inode *, struct file *, unsigned int, unsigned long);