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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-05-27 22:11:46 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-06-10 23:41:12 +0900
commita53b4751ae92adb372017222887f3ec625cba60b (patch)
tree454c0876bb532ee44ad07485e6d40c60e157ca34
parent30c25be71fcbd87fd33518045cc014e69bff3d6f (diff)
downloadlinux-a53b4751ae92adb372017222887f3ec625cba60b.tar.gz
nilfs2: use device's backing_dev_info for btree node caches
Previously, default_backing_dev_info was used for the mapping of btree node caches. This uses device dependent backing_dev_info to allow detailed control of the device for the btree node pages. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
-rw-r--r--fs/nilfs2/btnode.c5
-rw-r--r--fs/nilfs2/btnode.h2
-rw-r--r--fs/nilfs2/mdt.c2
-rw-r--r--fs/nilfs2/nilfs.h1
-rw-r--r--fs/nilfs2/super.c9
5 files changed, 13 insertions, 6 deletions
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index 4cc07b2c30e..0e01957ce56 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -48,13 +48,14 @@ void nilfs_btnode_cache_init_once(struct address_space *btnc)
static struct address_space_operations def_btnode_aops;
-void nilfs_btnode_cache_init(struct address_space *btnc)
+void nilfs_btnode_cache_init(struct address_space *btnc,
+ struct backing_dev_info *bdi)
{
btnc->host = NULL; /* can safely set to host inode ? */
btnc->flags = 0;
mapping_set_gfp_mask(btnc, GFP_NOFS);
btnc->assoc_mapping = NULL;
- btnc->backing_dev_info = &default_backing_dev_info;
+ btnc->backing_dev_info = bdi;
btnc->a_ops = &def_btnode_aops;
}
diff --git a/fs/nilfs2/btnode.h b/fs/nilfs2/btnode.h
index 35faa86444a..3e2275172ed 100644
--- a/fs/nilfs2/btnode.h
+++ b/fs/nilfs2/btnode.h
@@ -38,7 +38,7 @@ struct nilfs_btnode_chkey_ctxt {
};
void nilfs_btnode_cache_init_once(struct address_space *);
-void nilfs_btnode_cache_init(struct address_space *);
+void nilfs_btnode_cache_init(struct address_space *, struct backing_dev_info *);
void nilfs_btnode_cache_clear(struct address_space *);
int nilfs_btnode_submit_block(struct address_space *, __u64, sector_t,
struct buffer_head **, int);
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index bb78745a0e3..7b7032ea60d 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -449,7 +449,7 @@ struct inode *
nilfs_mdt_new_common(struct the_nilfs *nilfs, struct super_block *sb,
ino_t ino, gfp_t gfp_mask)
{
- struct inode *inode = nilfs_alloc_inode(sb);
+ struct inode *inode = nilfs_alloc_inode_common(nilfs);
if (!inode)
return NULL;
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index da6fc0bba2e..edf6a59d9f2 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -263,6 +263,7 @@ extern void nilfs_dirty_inode(struct inode *);
extern struct dentry *nilfs_get_parent(struct dentry *);
/* super.c */
+extern struct inode *nilfs_alloc_inode_common(struct the_nilfs *);
extern struct inode *nilfs_alloc_inode(struct super_block *);
extern void nilfs_destroy_inode(struct inode *);
extern void nilfs_error(struct super_block *, const char *, const char *, ...)
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 6989b03e97a..9acf30b6060 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -134,7 +134,7 @@ void nilfs_warning(struct super_block *sb, const char *function,
static struct kmem_cache *nilfs_inode_cachep;
-struct inode *nilfs_alloc_inode(struct super_block *sb)
+struct inode *nilfs_alloc_inode_common(struct the_nilfs *nilfs)
{
struct nilfs_inode_info *ii;
@@ -144,10 +144,15 @@ struct inode *nilfs_alloc_inode(struct super_block *sb)
ii->i_bh = NULL;
ii->i_state = 0;
ii->vfs_inode.i_version = 1;
- nilfs_btnode_cache_init(&ii->i_btnode_cache);
+ nilfs_btnode_cache_init(&ii->i_btnode_cache, nilfs->ns_bdi);
return &ii->vfs_inode;
}
+struct inode *nilfs_alloc_inode(struct super_block *sb)
+{
+ return nilfs_alloc_inode_common(NILFS_SB(sb)->s_nilfs);
+}
+
void nilfs_destroy_inode(struct inode *inode)
{
kmem_cache_free(nilfs_inode_cachep, NILFS_I(inode));