X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fsplice.c;h=5428b0ff3b6fcfebe6abd074cb9719ec48c9dbda;hb=66602c83dcb6a5d82772d88ae7a32cd4a1213528;hp=ae50208e3e6c174e178b35d444de197a85341656;hpb=08c72591636829d40bd695d43ec6d2a8191b668b;p=linux-2.6-omap-h63xx.git

diff --git a/fs/splice.c b/fs/splice.c
index ae50208e3e6..5428b0ff3b6 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -627,18 +627,25 @@ find_page:
 	}
 
 	ret = mapping->a_ops->commit_write(file, page, offset, offset+this_len);
-	if (!ret) {
+	if (ret) {
+		if (ret == AOP_TRUNCATED_PAGE) {
+			page_cache_release(page);
+			goto find_page;
+		}
+		if (ret < 0)
+			goto out;
 		/*
-		 * Return the number of bytes written and mark page as
-		 * accessed, we are now done!
+		 * Partial write has happened, so 'ret' already initialized by
+		 * number of bytes written, Where is nothing we have to do here.
 		 */
+	} else
 		ret = this_len;
-		mark_page_accessed(page);
-		balance_dirty_pages_ratelimited(mapping);
-	} else if (ret == AOP_TRUNCATED_PAGE) {
-		page_cache_release(page);
-		goto find_page;
-	}
+	/*
+	 * Return the number of bytes written and mark page as
+	 * accessed, we are now done!
+	 */
+	mark_page_accessed(page);
+	balance_dirty_pages_ratelimited(mapping);
 out:
 	page_cache_release(page);
 	unlock_page(page);
@@ -651,9 +658,9 @@ out_ret:
  * key here is the 'actor' worker passed in that actually moves the data
  * to the wanted destination. See pipe_to_file/pipe_to_sendpage above.
  */
-static ssize_t __splice_from_pipe(struct pipe_inode_info *pipe,
-				  struct file *out, loff_t *ppos, size_t len,
-				  unsigned int flags, splice_actor *actor)
+ssize_t __splice_from_pipe(struct pipe_inode_info *pipe,
+			   struct file *out, loff_t *ppos, size_t len,
+			   unsigned int flags, splice_actor *actor)
 {
 	int ret, do_wakeup, err;
 	struct splice_desc sd;
@@ -747,6 +754,7 @@ static ssize_t __splice_from_pipe(struct pipe_inode_info *pipe,
 
 	return ret;
 }
+EXPORT_SYMBOL(__splice_from_pipe);
 
 ssize_t splice_from_pipe(struct pipe_inode_info *pipe, struct file *out,
 			 loff_t *ppos, size_t len, unsigned int flags,