[patch 33/41] smb convert to new aops.

[npiggin]

Cc: Linux Filesystems <linux-fsdevel@vger.kernel.org>
Signed-off-by: Nick Piggin <[EMAIL PROTECTED]>

 fs/smbfs/file.c |   34 +++++++++++++++++++++++++---------
 1 file changed, 25 insertions(+), 9 deletions(-)

Index: linux-2.6/fs/smbfs/file.c
===================================================================
--- linux-2.6.orig/fs/smbfs/file.c
+++ linux-2.6/fs/smbfs/file.c
@@ -291,29 +291,45 @@ out:
  * If the writer ends up delaying the write, the writer needs to
  * increment the page use counts until he is done with the page.
  */
-static int smb_prepare_write(struct file *file, struct page *page, 
-                            unsigned offset, unsigned to)
-{
+static int smb_write_begin(struct file *file, struct address_space *mapping,
+                       loff_t pos, unsigned len, unsigned flags,
+                       struct page **pagep, void **fsdata)
+{
+       pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+       *pagep = __grab_cache_page(mapping, index);
+       if (!*pagep)
+               return -ENOMEM;
        return 0;
 }
 
-static int smb_commit_write(struct file *file, struct page *page,
-                           unsigned offset, unsigned to)
+static int smb_write_end(struct file *file, struct address_space *mapping,
+                       loff_t pos, unsigned len, unsigned copied,
+                       struct page *page, void *fsdata)
 {
        int status;
+       unsigned offset = pos & (PAGE_CACHE_SIZE - 1);
 
-       status = -EFAULT;
        lock_kernel();
-       status = smb_updatepage(file, page, offset, to-offset);
+       status = smb_updatepage(file, page, offset, copied);
        unlock_kernel();
+
+       if (!status) {
+               if (!PageUptodate(page) && copied == PAGE_CACHE_SIZE)
+                       SetPageUptodate(page);
+               status = copied;
+       }
+
+       unlock_page(page);
+       page_cache_release(page);
+
        return status;
 }
 
 const struct address_space_operations smb_file_aops = {
        .readpage = smb_readpage,
        .writepage = smb_writepage,
-       .prepare_write = smb_prepare_write,
-       .commit_write = smb_commit_write
+       .write_begin = smb_write_begin,
+       .write_end = smb_write_end,
 };
 
 /* 

-- 

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