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Commit f9ef1784 authored by Jan Kara's avatar Jan Kara
Browse files

quota: Use precomputed value of sb_dqopt in dquot_quota_sync 



Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent e2a3fde7

fs/quota/dquot.c

+6 −6
Original line number Diff line number Diff line
@@ -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;

}