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nilfs2: get rid of mi_nilfs back pointer to nilfs object

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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>
This commit is contained in:
Ryusuke Konishi
2010-09-05 00:23:50 +09:00
parent 032dbb3b50
commit c6e071884a
4 changed files with 8 additions and 15 deletions
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9
fs/nilfs2/mdt.c
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@@ -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;