If the node page was truncated, its block address became zero.
This means that we don't need to write the node page, but have to unlock
NODE_WRITE, decrease the number of dirty node pages, and then unlock_page
before returning the f2fs_write_node_page with zero.
Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
/* This page is already truncated */
if (ni.blk_addr == NULL_ADDR)
- return 0;
+ goto out;
set_page_writeback(page);
/* insert node offset */
write_node_page(sbi, page, nid, ni.blk_addr, &new_addr);
set_node_addr(sbi, &ni, new_addr);
+out:
dec_page_count(sbi, F2FS_DIRTY_NODES);
-
mutex_unlock_op(sbi, NODE_WRITE);
unlock_page(page);
return 0;