commit fa032744ad41de1b0a1807e7c379c6196e72ad80
author Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Wed May 27 22:44:34 2009 +0900
committer Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Wed Jun 10 23:41:12 2009 +0900
tree b88d335fd367ffee7e22403037e637da44a6ab68
parent a53b4751ae92adb372017222887f3ec625cba60b

nilfs2: add sync_page method to page caches of meta data

This applies block_sync_page() function to the sync_page method of
page caches for meta data files, gc page caches, and btree node
buffers.  This is a companion patch of ("nilfs2: enable sync_page
mothod") which applied the function for data pages.

This allows lock_page() for those meta data to unplug pending bio
requests.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>