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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>
This commit is contained in:
Ryusuke Konishi 2009-05-27 22:44:34 +09:00
parent a53b4751ae
commit fa032744ad
3 changed files with 7 additions and 3 deletions
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4
fs/nilfs2/btnode.c
View File

@ -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)

5
fs/nilfs2/gcinode.c
View File

@ -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

1
fs/nilfs2/mdt.c
View File

@ -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;