quota: Reduce contention on dq_data_lock

[linux.git] / fs / ext4 / super.c

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 16a877a0f30934467b897e624c7969c0f024f18d..67ce21224dab44fdbd82cae7f4e37bec43fc6bc3 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5194,7 +5194,7 @@ static int ext4_statfs_project(struct super_block *sb,
        dquot = dqget(sb, qid);
        if (IS_ERR(dquot))
                return PTR_ERR(dquot);
-       spin_lock(&dq_data_lock);
+       spin_lock(&dquot->dq_dqb_lock);
 
        limit = (dquot->dq_dqb.dqb_bsoftlimit ?
                 dquot->dq_dqb.dqb_bsoftlimit :
@@ -5217,7 +5217,7 @@ static int ext4_statfs_project(struct super_block *sb,
                         (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0;
        }
 
-       spin_unlock(&dq_data_lock);
+       spin_unlock(&dquot->dq_dqb_lock);
        dqput(dquot);
        return 0;
 }