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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2010-08-29 07:44:56 +0400
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2010-10-23 04:24:38 +0400
commitc1c1d7092072093ad960db2f6c08f06705c57fa4 (patch)
tree115796528882ed5d8d21258ad8cf481765a5035a /fs/nilfs2/segment.c
parentb1f6a4f294088b3fcf9ae67915ca550a1ded2819 (diff)
downloadlinux-c1c1d7092072093ad960db2f6c08f06705c57fa4.tar.xz
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>
Diffstat (limited to 'fs/nilfs2/segment.c')
-rw-r--r--fs/nilfs2/segment.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 91dc0668ec83..b0c5e08d06c8 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -1945,11 +1945,9 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
nilfs_drop_collected_inodes(&sci->sc_dirty_files);
- if (nilfs_doing_gc()) {
+ if (nilfs_doing_gc())
nilfs_drop_collected_inodes(&sci->sc_gc_inodes);
- if (update_sr)
- nilfs_commit_gcdat_inode(nilfs);
- } else
+ else
nilfs->ns_nongc_ctime = sci->sc_seg_ctime;
sci->sc_nblk_inc += sci->sc_nblk_this_inc;
@@ -2472,13 +2470,15 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv,
nilfs_transaction_lock(sbi, &ti, 1);
- err = nilfs_init_gcdat_inode(nilfs);
+ err = nilfs_mdt_save_to_shadow_map(nilfs->ns_dat);
if (unlikely(err))
goto out_unlock;
err = nilfs_ioctl_prepare_clean_segments(nilfs, argv, kbufs);
- if (unlikely(err))
+ if (unlikely(err)) {
+ nilfs_mdt_restore_from_shadow_map(nilfs->ns_dat);
goto out_unlock;
+ }
sci->sc_freesegs = kbufs[4];
sci->sc_nfreesegs = argv[4].v_nmembs;
@@ -2510,7 +2510,7 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv,
out_unlock:
sci->sc_freesegs = NULL;
sci->sc_nfreesegs = 0;
- nilfs_clear_gcdat_inode(nilfs);
+ nilfs_mdt_clear_shadow_map(nilfs->ns_dat);
nilfs_transaction_unlock(sbi);
return err;
}