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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
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>
-rw-r--r--fs/nilfs2/btnode.c4
-rw-r--r--fs/nilfs2/gcinode.c5
-rw-r--r--fs/nilfs2/mdt.c1
3 files changed, 7 insertions, 3 deletions
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index 0e01957ce56..7e0b61be212 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)
diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c
index 19d2102b6a6..1b3c2bb20da 100644
--- a/fs/nilfs2/gcinode.c
+++ b/fs/nilfs2/gcinode.c
@@ -52,8 +52,9 @@
#include "dat.h"
#include "ifile.h"
-static struct address_space_operations def_gcinode_aops = {};
-/* XXX need def_gcinode_iops/fops? */
+static struct address_space_operations def_gcinode_aops = {
+ .sync_page = block_sync_page,
+};
/*
* nilfs_gccache_submit_read_data() - add data buffer and submit read request
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 7b7032ea60d..3d3ddb3f517 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -430,6 +430,7 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
static struct address_space_operations def_mdt_aops = {
.writepage = nilfs_mdt_write_page,
+ .sync_page = block_sync_page,
};
static struct inode_operations def_mdt_iops;