nilfs2: unify bmap operations starting use of indirect block address
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>
diff --git a/fs/nilfs2/direct.c b/fs/nilfs2/direct.c
index c6379e4..5cbba82 100644
--- a/fs/nilfs2/direct.c
+++ b/fs/nilfs2/direct.c
@@ -327,12 +327,9 @@
int ret;
req.bpr_ptr = ptr;
- ret = direct->d_bmap.b_pops->bpop_prepare_start_ptr(
- &direct->d_bmap, &req);
- if (ret < 0)
+ ret = nilfs_bmap_start_v(&direct->d_bmap, &req, blocknr);
+ if (unlikely(ret < 0))
return ret;
- direct->d_bmap.b_pops->bpop_commit_start_ptr(&direct->d_bmap,
- &req, blocknr);
binfo->bi_v.bi_vblocknr = nilfs_bmap_ptr_to_dptr(ptr);
binfo->bi_v.bi_blkoff = nilfs_bmap_key_to_dkey(key);