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nilfs2: unify bmap operations starting use of indirect block address

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This simplifies some low level functions of bmap.

Three bmap pointer operations, nilfs_bmap_start_v(),
nilfs_bmap_commit_v(), and nilfs_bmap_abort_v(), are unified into one
nilfs_bmap_start_v() function. And the related indirect function calls
are replaced with it.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi
2009-05-03 21:43:01 +09:00
parent 6582207064
commit d97a51a7e3
4 changed files with 14 additions and 45 deletions
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7
fs/nilfs2/btree.c
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@ -2066,12 +2066,9 @@ static int nilfs_btree_assign_v(struct nilfs_btree *btree,
ptr = nilfs_btree_node_get_ptr(btree, parent,
path[level + 1].bp_index);
req.bpr_ptr = ptr;
ret = btree->bt_bmap.b_pops->bpop_prepare_start_ptr(&btree->bt_bmap,
&req);
if (ret < 0)
ret = nilfs_bmap_start_v(&btree->bt_bmap, &req, blocknr);
if (unlikely(ret < 0))
return ret;
btree->bt_bmap.b_pops->bpop_commit_start_ptr(&btree->bt_bmap,
&req, blocknr);
key = nilfs_btree_node_get_key(btree, parent,
path[level + 1].bp_index);