No need to do the confusing switch of variables from copied into status.
Signed-off-by: Nick Piggin <npiggin@xxxxxxx>
Index: linux-2.6/mm/filemap.c
===================================================================
--- linux-2.6.orig/mm/filemap.c
+++ linux-2.6/mm/filemap.c
@@ -1898,28 +1898,22 @@ generic_file_buffered_write(struct kiocb
goto fs_write_aop_error;
if (likely(copied > 0)) {
- if (!status)
- status = copied;
-
- if (status >= 0) {
- written += status;
- count -= status;
- pos += status;
- buf += status;
- if (unlikely(nr_segs > 1)) {
- filemap_set_next_iovec(&cur_iov,
- &iov_offset, status);
- if (count)
- buf = cur_iov->iov_base +
- iov_offset;
- } else {
- iov_offset += status;
- }
+ written += copied;
+ count -= copied;
+ pos += copied;
+ buf += copied;
+ if (unlikely(nr_segs > 1)) {
+ filemap_set_next_iovec(&cur_iov,
+ &iov_offset, copied);
+ if (count)
+ buf = cur_iov->iov_base + iov_offset;
+ } else {
+ iov_offset += copied;
}
}
if (unlikely(copied != bytes))
- if (status >= 0)
- status = -EFAULT;
+ status = -EFAULT;
+
unlock_page(page);
mark_page_accessed(page);
page_cache_release(page);
-
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