nilfs2: get rid of GCDAT inode
This applies prepared rollback function and redirect function of
metadata file to DAT file, and eliminates GCDAT inode.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 6eeb4f0..b7666bc 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -96,7 +96,6 @@
nilfs_mdt_destroy(nilfs->ns_sufile);
nilfs_mdt_destroy(nilfs->ns_cpfile);
nilfs_mdt_destroy(nilfs->ns_dat);
- nilfs_mdt_destroy(nilfs->ns_gc_dat);
}
if (nilfs_init(nilfs)) {
brelse(nilfs->ns_sbh[0]);
@@ -131,20 +130,14 @@
if (unlikely(!nilfs->ns_dat))
goto failed;
- nilfs->ns_gc_dat = nilfs_dat_new(nilfs, dat_entry_size);
- if (unlikely(!nilfs->ns_gc_dat))
- goto failed_dat;
-
nilfs->ns_cpfile = nilfs_cpfile_new(nilfs, checkpoint_size);
if (unlikely(!nilfs->ns_cpfile))
- goto failed_gc_dat;
+ goto failed_dat;
nilfs->ns_sufile = nilfs_sufile_new(nilfs, segment_usage_size);
if (unlikely(!nilfs->ns_sufile))
goto failed_cpfile;
- nilfs_mdt_set_shadow(nilfs->ns_dat, nilfs->ns_gc_dat);
-
err = nilfs_dat_read(nilfs->ns_dat, (void *)bh_sr->b_data +
NILFS_SR_DAT_OFFSET(inode_size));
if (unlikely(err))
@@ -173,9 +166,6 @@
failed_cpfile:
nilfs_mdt_destroy(nilfs->ns_cpfile);
- failed_gc_dat:
- nilfs_mdt_destroy(nilfs->ns_gc_dat);
-
failed_dat:
nilfs_mdt_destroy(nilfs->ns_dat);
goto failed;
@@ -371,7 +361,6 @@
nilfs_mdt_destroy(nilfs->ns_cpfile);
nilfs_mdt_destroy(nilfs->ns_sufile);
nilfs_mdt_destroy(nilfs->ns_dat);
- nilfs_mdt_destroy(nilfs->ns_gc_dat);
failed:
nilfs_clear_recovery_info(&ri);