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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2010-09-05 00:23:50 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2010-10-23 09:24:38 +0900
commitc6e071884aca360a14c21757d760e76ec34b4894 (patch)
tree341d4130f06f1063bd63ed8a8cdb3f602848ff17 /fs/nilfs2/mdt.c
parent032dbb3b503a30fce732ec4c05525d0abed1f1d6 (diff)
downloadlinux-c6e071884aca360a14c21757d760e76ec34b4894.tar.gz
nilfs2: get rid of mi_nilfs back pointer to nilfs object
This removes a back pointer to nilfs object from nilfs_mdt_info structure that is attached to metadata files. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/mdt.c')
-rw-r--r--fs/nilfs2/mdt.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 44326cfe1fa..32695f3c4b9 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -78,7 +78,7 @@ static int nilfs_mdt_create_block(struct inode *inode, unsigned long block,
struct buffer_head *,
void *))
{
- struct the_nilfs *nilfs = NILFS_MDT(inode)->mi_nilfs;
+ struct the_nilfs *nilfs = NILFS_I_NILFS(inode);
struct super_block *sb = inode->i_sb;
struct nilfs_transaction_info ti;
struct buffer_head *bh;
@@ -167,9 +167,7 @@ nilfs_mdt_submit_block(struct inode *inode, unsigned long blkoff,
unlock_buffer(bh);
goto failed_bh;
}
- bh->b_bdev = NILFS_MDT(inode)->mi_nilfs->ns_bdev;
- bh->b_blocknr = (sector_t)blknum;
- set_buffer_mapped(bh);
+ map_bh(bh, inode->i_sb, (sector_t)blknum);
bh->b_end_io = end_buffer_read_sync;
get_bh(bh);
@@ -412,7 +410,7 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
return 0;
sb = inode->i_sb;
- nilfs = NILFS_MDT(inode)->mi_nilfs;
+ nilfs = NILFS_SB(sb)->s_nilfs;
if (!sb) {
down_read(&nilfs->ns_writer_sem);
@@ -452,7 +450,6 @@ int nilfs_mdt_init(struct inode *inode, gfp_t gfp_mask, size_t objsz)
if (!mi)
return -ENOMEM;
- mi->mi_nilfs = NILFS_I_NILFS(inode);
init_rwsem(&mi->mi_sem);
inode->i_private = mi;