---

yaml --- r: 1836 b: refs/heads/master c: a511718 h: refs/heads/master v: v3
git-mirror · Jun 6, 2005 · 1098449 · 1098449
1 parent f8d8e93
commit 1098449
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7cef5677ef3a8084f2588ce0a129dc95d65161f6
+refs/heads/master: a51171816826b074828fa96cb6ef60fc3b13631a
diff --git a/trunk/mm/filemap.c b/trunk/mm/filemap.c
@@ -1968,6 +1968,7 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov,
 	do {
 		unsigned long index;
 		unsigned long offset;
+		unsigned long maxlen;
 		size_t copied;
 
 		offset = (pos & (PAGE_CACHE_SIZE -1)); /* Within page */
@@ -1982,7 +1983,10 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov,
 		 * same page as we're writing to, without it being marked
 		 * up-to-date.
 		 */
-		fault_in_pages_readable(buf, bytes);
+		maxlen = cur_iov->iov_len - iov_base;
+		if (maxlen > bytes)
+			maxlen = bytes;
+		fault_in_pages_readable(buf, maxlen);
 
 		page = __grab_cache_page(mapping,index,&cached_page,&lru_pvec);
 		if (!page) {
@@ -2024,6 +2028,8 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov,
 					filemap_set_next_iovec(&cur_iov,
 							&iov_base, status);
 					buf = cur_iov->iov_base + iov_base;
+				} else {
+					iov_base += status;
 				}
 			}
 		}