From: Andrew Morton <[email protected]>
More dirty code.
Signed-off-by: Andrew Morton <[email protected]>
---
mm/filemap.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff -puN mm/filemap.c~generic_file_buffered_write-max_len-cleanup mm/filemap.c
--- a/mm/filemap.c~generic_file_buffered_write-max_len-cleanup
+++ a/mm/filemap.c
@@ -2090,7 +2090,6 @@ generic_file_buffered_write(struct kiocb
do {
pgoff_t index; /* Pagecache index for current page */
unsigned long offset; /* Offset into pagecache page */
- unsigned long maxlen; /* Bytes remaining in current iovec */
size_t bytes; /* Bytes to write to page */
size_t copied; /* Bytes copied from user */
@@ -2100,9 +2099,7 @@ generic_file_buffered_write(struct kiocb
if (bytes > count)
bytes = count;
- maxlen = cur_iov->iov_len - iov_offset;
- if (maxlen > bytes)
- maxlen = bytes;
+ bytes = min(cur_iov->iov_len - iov_offset, bytes);
/*
* Bring in the user page that we will copy from _first_.
_
-
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