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. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@xxxxxxxxxxx> --- fs/f2fs/node.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index e275218..3dc63f4 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1106,15 +1106,15 @@ static int f2fs_write_node_page(struct page *page, /* 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; -- 1.8.1.3.566.gaa39828 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
