diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/qgroup.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 11f4fffe503e..50b32cb25bdb 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -131,8 +131,15 @@ struct btrfs_qgroup_list { struct btrfs_qgroup *member; }; -#define ptr_to_u64(x) ((u64)(uintptr_t)x) -#define u64_to_ptr(x) ((struct btrfs_qgroup *)(uintptr_t)x) +static inline u64 qgroup_to_aux(struct btrfs_qgroup *qg) +{ + return (u64)(uintptr_t)qg; +} + +static inline struct btrfs_qgroup* unode_aux_to_qgroup(struct ulist_node *n) +{ + return (struct btrfs_qgroup *)(uintptr_t)n->aux; +} static int qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid, @@ -1066,7 +1073,7 @@ static int __qgroup_excl_accounting(struct btrfs_fs_info *fs_info, /* Get all of the parent groups that contain this qgroup */ list_for_each_entry(glist, &qgroup->groups, next_group) { ret = ulist_add(tmp, glist->group->qgroupid, - ptr_to_u64(glist->group), GFP_ATOMIC); + qgroup_to_aux(glist->group), GFP_ATOMIC); if (ret < 0) goto out; } @@ -1074,7 +1081,7 @@ static int __qgroup_excl_accounting(struct btrfs_fs_info *fs_info, /* Iterate all of the parents and adjust their reference counts */ ULIST_ITER_INIT(&uiter); while ((unode = ulist_next(tmp, &uiter))) { - qgroup = u64_to_ptr(unode->aux); + qgroup = unode_aux_to_qgroup(unode); qgroup->rfer += sign * num_bytes; qgroup->rfer_cmpr += sign * num_bytes; WARN_ON(sign < 0 && qgroup->excl < num_bytes); @@ -1087,7 +1094,7 @@ static int __qgroup_excl_accounting(struct btrfs_fs_info *fs_info, /* Add any parents of the parents */ list_for_each_entry(glist, &qgroup->groups, next_group) { ret = ulist_add(tmp, glist->group->qgroupid, - ptr_to_u64(glist->group), GFP_ATOMIC); + qgroup_to_aux(glist->group), GFP_ATOMIC); if (ret < 0) goto out; } @@ -1535,30 +1542,30 @@ static int qgroup_update_refcnt(struct btrfs_fs_info *fs_info, continue; ulist_reinit(tmp); - ret = ulist_add(qgroups, qg->qgroupid, ptr_to_u64(qg), + ret = ulist_add(qgroups, qg->qgroupid, qgroup_to_aux(qg), GFP_ATOMIC); if (ret < 0) return ret; - ret = ulist_add(tmp, qg->qgroupid, ptr_to_u64(qg), GFP_ATOMIC); + ret = ulist_add(tmp, qg->qgroupid, qgroup_to_aux(qg), GFP_ATOMIC); if (ret < 0) return ret; ULIST_ITER_INIT(&tmp_uiter); while ((tmp_unode = ulist_next(tmp, &tmp_uiter))) { struct btrfs_qgroup_list *glist; - qg = u64_to_ptr(tmp_unode->aux); + qg = unode_aux_to_qgroup(tmp_unode); if (update_old) btrfs_qgroup_update_old_refcnt(qg, seq, 1); else btrfs_qgroup_update_new_refcnt(qg, seq, 1); list_for_each_entry(glist, &qg->groups, next_group) { ret = ulist_add(qgroups, glist->group->qgroupid, - ptr_to_u64(glist->group), + qgroup_to_aux(glist->group), GFP_ATOMIC); if (ret < 0) return ret; ret = ulist_add(tmp, glist->group->qgroupid, - ptr_to_u64(glist->group), + qgroup_to_aux(glist->group), GFP_ATOMIC); if (ret < 0) return ret; @@ -1619,7 +1626,7 @@ static int qgroup_update_counters(struct btrfs_fs_info *fs_info, while ((unode = ulist_next(qgroups, &uiter))) { bool dirty = false; - qg = u64_to_ptr(unode->aux); + qg = unode_aux_to_qgroup(unode); cur_old_count = btrfs_qgroup_get_old_refcnt(qg, seq); cur_new_count = btrfs_qgroup_get_new_refcnt(qg, seq); @@ -2125,7 +2132,7 @@ static int qgroup_reserve(struct btrfs_root *root, u64 num_bytes) struct btrfs_qgroup *qg; struct btrfs_qgroup_list *glist; - qg = u64_to_ptr(unode->aux); + qg = unode_aux_to_qgroup(unode); if ((qg->lim_flags & BTRFS_QGROUP_LIMIT_MAX_RFER) && qg->reserved + (s64)qg->rfer + num_bytes > @@ -2157,7 +2164,7 @@ static int qgroup_reserve(struct btrfs_root *root, u64 num_bytes) while ((unode = ulist_next(fs_info->qgroup_ulist, &uiter))) { struct btrfs_qgroup *qg; - qg = u64_to_ptr(unode->aux); + qg = unode_aux_to_qgroup(unode); qg->reserved += num_bytes; } @@ -2202,7 +2209,7 @@ void btrfs_qgroup_free_refroot(struct btrfs_fs_info *fs_info, struct btrfs_qgroup *qg; struct btrfs_qgroup_list *glist; - qg = u64_to_ptr(unode->aux); + qg = unode_aux_to_qgroup(unode); qg->reserved -= num_bytes; |