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btrfs: rename helper macros for qgroup and aux data casts 

The helpers are not meant to be generic, the name is misleading. Convert
them to static inlines for type checking.

Signed-off-by: David Sterba <dsterba@suse.com>
hifive-unleashed-5.1
David Sterba 2016-10-26 16:23:50 +02:00 committed by David Sterba
parent 5d9dbe617a
commit ef2fff64fd
1 changed files with 21 additions and 14 deletions
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35
fs/btrfs/qgroup.c
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@ -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;