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erofs: remove unused tag argument while finding a workgroup 

It is feasible to simplify erofs_find_workgroup() interface by removing
an unused function argument. While formally the argument is used in the
function itself, its assigned value is ignored on the caller side.

Signed-off-by: Vladimir Zapolskiy <vladimir@tuxera.com>
Link: https://lore.kernel.org/r/20200102120118.14979-2-vladimir@tuxera.com
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
This commit is contained in:
Vladimir Zapolskiy 2020-01-02 14:01:16 +02:00 committed by Gao Xiang
parent a55861c800
commit 997626d838
3 changed files with 3 additions and 5 deletions
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2
fs/erofs/internal.h
View File

@ -401,7 +401,7 @@ static inline void *erofs_get_pcpubuf(unsigned int pagenr)
#ifdef CONFIG_EROFS_FS_ZIP
int erofs_workgroup_put(struct erofs_workgroup *grp);
struct erofs_workgroup *erofs_find_workgroup(struct super_block *sb,
pgoff_t index, bool *tag);
pgoff_t index);
int erofs_register_workgroup(struct super_block *sb,
struct erofs_workgroup *grp, bool tag);
void erofs_workgroup_free_rcu(struct erofs_workgroup *grp);

3
fs/erofs/utils.c
View File

@ -59,7 +59,7 @@ static int erofs_workgroup_get(struct erofs_workgroup *grp)
}
struct erofs_workgroup *erofs_find_workgroup(struct super_block *sb,
pgoff_t index, bool *tag)
pgoff_t index)
{
struct erofs_sb_info *sbi = EROFS_SB(sb);
struct erofs_workgroup *grp;
@ -68,7 +68,6 @@ struct erofs_workgroup *erofs_find_workgroup(struct super_block *sb,
rcu_read_lock();
grp = radix_tree_lookup(&sbi->workstn_tree, index);
if (grp) {
*tag = xa_pointer_tag(grp);
grp = xa_untag_pointer(grp);
if (erofs_workgroup_get(grp)) {

3
fs/erofs/zdata.c
View File

@ -345,9 +345,8 @@ static int z_erofs_lookup_collection(struct z_erofs_collector *clt,
struct z_erofs_pcluster *pcl;
struct z_erofs_collection *cl;
unsigned int length;
bool tag;
grp = erofs_find_workgroup(inode->i_sb, map->m_pa >> PAGE_SHIFT, &tag);
grp = erofs_find_workgroup(inode->i_sb, map->m_pa >> PAGE_SHIFT);
if (!grp)
return -ENOENT;