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Diffstat (limited to 'fs/nilfs2/bmap.c')
-rw-r--r--fs/nilfs2/bmap.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/fs/nilfs2/bmap.c b/fs/nilfs2/bmap.c
index 3dbdc1d356b..8b782b062ba 100644
--- a/fs/nilfs2/bmap.c
+++ b/fs/nilfs2/bmap.c
@@ -533,18 +533,20 @@ void nilfs_bmap_init_gc(struct nilfs_bmap *bmap)
nilfs_btree_init_gc(bmap);
}
-void nilfs_bmap_init_gcdat(struct nilfs_bmap *gcbmap, struct nilfs_bmap *bmap)
+void nilfs_bmap_save(const struct nilfs_bmap *bmap,
+ struct nilfs_bmap_store *store)
{
- memcpy(gcbmap, bmap, sizeof(*bmap));
- init_rwsem(&gcbmap->b_sem);
- lockdep_set_class(&bmap->b_sem, &nilfs_bmap_dat_lock_key);
- gcbmap->b_inode = &NILFS_BMAP_I(gcbmap)->vfs_inode;
+ memcpy(store->data, bmap->b_u.u_data, sizeof(store->data));
+ store->last_allocated_key = bmap->b_last_allocated_key;
+ store->last_allocated_ptr = bmap->b_last_allocated_ptr;
+ store->state = bmap->b_state;
}
-void nilfs_bmap_commit_gcdat(struct nilfs_bmap *gcbmap, struct nilfs_bmap *bmap)
+void nilfs_bmap_restore(struct nilfs_bmap *bmap,
+ const struct nilfs_bmap_store *store)
{
- memcpy(bmap, gcbmap, sizeof(*bmap));
- init_rwsem(&bmap->b_sem);
- lockdep_set_class(&bmap->b_sem, &nilfs_bmap_dat_lock_key);
- bmap->b_inode = &NILFS_BMAP_I(bmap)->vfs_inode;
+ memcpy(bmap->b_u.u_data, store->data, sizeof(store->data));
+ bmap->b_last_allocated_key = store->last_allocated_key;
+ bmap->b_last_allocated_ptr = store->last_allocated_ptr;
+ bmap->b_state = store->state;
}