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fs/quota: erase unused but set variable warning 

Local variable *reserved* of remove_dquot_ref() is only used if
define CONFIG_QUOTA_DEBUG, but not ebraced in CONFIG_QUOTA_DEBUG
macro, which leads to unused-but-set-variable warning when compiling.

This patch ebrace it into CONFIG_QUOTA_DEBUG macro like what is done
in add_dquot_ref().

Signed-off-by: Jiang Biao <benbjiang@tencent.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jiang Biao 2019-04-24 08:58:57 +08:00 committed by Jan Kara
parent 3ef177ec9d
commit 78bc3334a6
1 changed files with 4 additions and 0 deletions
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4
fs/quota/dquot.c
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@ -1050,7 +1050,9 @@ static void remove_dquot_ref(struct super_block *sb, int type,
struct list_head *tofree_head) struct list_head *tofree_head)
{ {
struct inode *inode; struct inode *inode;
#ifdef CONFIG_QUOTA_DEBUG
int reserved = 0; int reserved = 0;
#endif
spin_lock(&sb->s_inode_list_lock); spin_lock(&sb->s_inode_list_lock);
list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
@ -1062,8 +1064,10 @@ static void remove_dquot_ref(struct super_block *sb, int type,
*/ */
spin_lock(&dq_data_lock); spin_lock(&dq_data_lock);
if (!IS_NOQUOTA(inode)) { if (!IS_NOQUOTA(inode)) {
#ifdef CONFIG_QUOTA_DEBUG
if (unlikely(inode_get_rsv_space(inode) > 0)) if (unlikely(inode_get_rsv_space(inode) > 0))
reserved = 1; reserved = 1;
#endif
remove_inode_dquot_ref(inode, type, tofree_head); remove_inode_dquot_ref(inode, type, tofree_head);
} }
spin_unlock(&dq_data_lock); spin_unlock(&dq_data_lock);