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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-05-27 22:44:34 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-06-10 23:41:12 +0900
commitfa032744ad41de1b0a1807e7c379c6196e72ad80 (patch)
treeb88d335fd367ffee7e22403037e637da44a6ab68 /fs/nilfs2/btnode.c
parenta53b4751ae92adb372017222887f3ec625cba60b (diff)
downloadlinux-fa032744ad41de1b0a1807e7c379c6196e72ad80.tar.gz
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>
Diffstat (limited to 'fs/nilfs2/btnode.c')
-rw-r--r--fs/nilfs2/btnode.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index 0e01957ce566..7e0b61be212e 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -46,7 +46,9 @@ void nilfs_btnode_cache_init_once(struct address_space *btnc)
 	INIT_LIST_HEAD(&btnc->i_mmap_nonlinear);
 }
 
-static struct address_space_operations def_btnode_aops;
+static struct address_space_operations def_btnode_aops = {
+	.sync_page		= block_sync_page,
+};
 
 void nilfs_btnode_cache_init(struct address_space *btnc,
 			     struct backing_dev_info *bdi)