quota: Use precomputed value of sb_dqopt in dquot_quota_sync

Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 6 insertions, 6 deletions

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 0dcdda305c99..6e429fdda17d 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -638,7 +638,7 @@ int dquot_quota_sync(struct super_block *sb, int type, int wait)
         dqstats_inc(DQST_SYNCS);
         mutex_unlock(&dqopt->dqonoff_mutex);
 
-        if (!wait || (sb_dqopt(sb)->flags & DQUOT_QUOTA_SYS_FILE))
+        if (!wait || (dqopt->flags & DQUOT_QUOTA_SYS_FILE))
                 return 0;
 
         /* This is not very clever (and fast) but currently I don't know about
@@ -652,18 +652,18 @@ int dquot_quota_sync(struct super_block *sb, int type, int wait)
          * Now when everything is written we can discard the pagecache so
          * that userspace sees the changes.
          */
-        mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
+        mutex_lock(&dqopt->dqonoff_mutex);
         for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
                 if (type != -1 && cnt != type)
                         continue;
                 if (!sb_has_quota_active(sb, cnt))
                         continue;
-                mutex_lock_nested(&sb_dqopt(sb)->files[cnt]->i_mutex,
+                mutex_lock_nested(&dqopt->files[cnt]->i_mutex,
                                   I_MUTEX_QUOTA);
-                truncate_inode_pages(&sb_dqopt(sb)->files[cnt]->i_data, 0);
-                mutex_unlock(&sb_dqopt(sb)->files[cnt]->i_mutex);
+                truncate_inode_pages(&dqopt->files[cnt]->i_data, 0);
+                mutex_unlock(&dqopt->files[cnt]->i_mutex);
         }
-        mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
+        mutex_unlock(&dqopt->dqonoff_mutex);
 
         return 0;
 }