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 <[email protected]> --- fs/nilfs2/btnode.c | 5 +++-- fs/nilfs2/btnode.h | 2 +- fs/nilfs2/mdt.c | 2 +- fs/nilfs2/nilfs.h | 1 + fs/nilfs2/super.c | 9 +++++++-- 5 files changed, 13 insertions(+), 6 deletions(-) diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c index 4cc07b2..0e01957 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 35faa86..3e22751 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 c3eb539..9b149a1 100644 --- a/fs/nilfs2/mdt.c +++ b/fs/nilfs2/mdt.c @@ -453,7 +453,7 @@ 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 da6fc0b..edf6a59 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 1feb588..1de395f 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -132,7 +132,7 @@ 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; @@ -142,10 +142,15 @@ 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)); -- 1.6.2 _______________________________________________ users mailing list [email protected] https://www.nilfs.org/mailman/listinfo/users
