]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - fs/splice.c
cmd64x: use interrupt status from MRDMODE register (take 2)
[linux-2.6-omap-h63xx.git] / fs / splice.c
index ae50208e3e6c174e178b35d444de197a85341656..5428b0ff3b6fcfebe6abd074cb9719ec48c9dbda 100644 (file)
@@ -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,