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Commit ee1ac541 authored by Jan Kara's avatar Jan Kara
Browse files

quota: Remove dqonoff_mutex from dquot_scan_active() 



All callers of dquot_scan_active() now hold s_umount so we can rely on
that lock to protect us against quota state changes.

Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent 2a64f80e

fs/quota/dquot.c

+2 −2
Original line number Diff line number Diff line
@@ -572,7 +572,8 @@ int dquot_scan_active(struct super_block *sb, 
	struct dquot *dquot, *old_dquot = NULL;

	int ret = 0;



	mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);

	WARN_ON_ONCE(!rwsem_is_locked(&sb->s_umount));



	spin_lock(&dq_list_lock);

	list_for_each_entry(dquot, &inuse_list, dq_inuse) {

		if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags))
@@ -603,7 +604,6 @@ int dquot_scan_active(struct super_block *sb, 
	spin_unlock(&dq_list_lock);

out:

	dqput(old_dquot);

	mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);

	return ret;

}

EXPORT_SYMBOL(dquot_scan_active);