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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-08-15 17:22:13 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-09-14 18:27:15 +0900
commitbd8169efae8bdd292675c386010f6b35f0771057 (patch)
treeaea73bd670910874eb78fd1f2c8ce8b2a494dfcb /fs/nilfs2/dat.h
parent7a102b09232be1ad7c180dfd1f46c7aa95dff1e0 (diff)
downloadop-kernel-dev-bd8169efae8bdd292675c386010f6b35f0771057.zip
op-kernel-dev-bd8169efae8bdd292675c386010f6b35f0771057.tar.gz
nilfs2: add update functions of virtual block address to dat
This is a preparation for the successive cleanup ("nilfs2: allow btree to directly call dat operations"). This adds functions bundling a few operations to change an entry of virtual block address on the dat file. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/dat.h')
-rw-r--r--fs/nilfs2/dat.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nilfs2/dat.h b/fs/nilfs2/dat.h
index 91dc337..406070d 100644
--- a/fs/nilfs2/dat.h
+++ b/fs/nilfs2/dat.h
@@ -41,6 +41,12 @@ void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *,
int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *);
void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int);
void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *);
+int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *,
+ struct nilfs_palloc_req *);
+void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *,
+ struct nilfs_palloc_req *, int);
+void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *,
+ struct nilfs_palloc_req *);
int nilfs_dat_mark_dirty(struct inode *, __u64);
int nilfs_dat_freev(struct inode *, __u64 *, size_t);
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