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-rw-r--r--fs/quota/dquot.c29
-rw-r--r--fs/quota/quota.c46
2 files changed, 33 insertions, 42 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 6c849de5dc8..4c2213f7ed3 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -570,7 +570,7 @@ out:
}
EXPORT_SYMBOL(dquot_scan_active);
-int vfs_quota_sync(struct super_block *sb, int type)
+int vfs_quota_sync(struct super_block *sb, int type, int wait)
{
struct list_head *dirty;
struct dquot *dquot;
@@ -615,6 +615,33 @@ int vfs_quota_sync(struct super_block *sb, int type)
spin_unlock(&dq_list_lock);
mutex_unlock(&dqopt->dqonoff_mutex);
+ if (!wait || (sb_dqopt(sb)->flags & DQUOT_QUOTA_SYS_FILE))
+ return 0;
+
+ /* This is not very clever (and fast) but currently I don't know about
+ * any other simple way of getting quota data to disk and we must get
+ * them there for userspace to be visible... */
+ if (sb->s_op->sync_fs)
+ sb->s_op->sync_fs(sb, 1);
+ sync_blockdev(sb->s_bdev);
+
+ /*
+ * Now when everything is written we can discard the pagecache so
+ * that userspace sees the changes.
+ */
+ mutex_lock(&sb_dqopt(sb)->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,
+ I_MUTEX_QUOTA);
+ truncate_inode_pages(&sb_dqopt(sb)->files[cnt]->i_data, 0);
+ mutex_unlock(&sb_dqopt(sb)->files[cnt]->i_mutex);
+ }
+ mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
+
return 0;
}
EXPORT_SYMBOL(vfs_quota_sync);
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 3d31228082e..0593b229656 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -48,44 +48,6 @@ static int check_quotactl_permission(struct super_block *sb, int type, int cmd,
return security_quotactl(cmd, type, id, sb);
}
-#ifdef CONFIG_QUOTA
-void sync_quota_sb(struct super_block *sb, int type)
-{
- int cnt;
-
- if (!sb->s_qcop || !sb->s_qcop->quota_sync)
- return;
-
- sb->s_qcop->quota_sync(sb, type);
-
- if (sb_dqopt(sb)->flags & DQUOT_QUOTA_SYS_FILE)
- return;
- /* This is not very clever (and fast) but currently I don't know about
- * any other simple way of getting quota data to disk and we must get
- * them there for userspace to be visible... */
- if (sb->s_op->sync_fs)
- sb->s_op->sync_fs(sb, 1);
- sync_blockdev(sb->s_bdev);
-
- /*
- * Now when everything is written we can discard the pagecache so
- * that userspace sees the changes.
- */
- mutex_lock(&sb_dqopt(sb)->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,
- I_MUTEX_QUOTA);
- truncate_inode_pages(&sb_dqopt(sb)->files[cnt]->i_data, 0);
- mutex_unlock(&sb_dqopt(sb)->files[cnt]->i_mutex);
- }
- mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
-}
-#endif
-
static int quota_sync_all(int type)
{
struct super_block *sb;
@@ -101,6 +63,9 @@ static int quota_sync_all(int type)
spin_lock(&sb_lock);
restart:
list_for_each_entry(sb, &super_blocks, s_list) {
+ if (!sb->s_qcop || !sb->s_qcop->quota_sync)
+ continue;
+
/* This test just improves performance so it needn't be
* reliable... */
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
@@ -119,7 +84,7 @@ restart:
spin_unlock(&sb_lock);
down_read(&sb->s_umount);
if (sb->s_root)
- sync_quota_sb(sb, type);
+ sb->s_qcop->quota_sync(sb, type, 1);
up_read(&sb->s_umount);
spin_lock(&sb_lock);
if (__put_super_and_need_restart(sb))
@@ -306,8 +271,7 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
case Q_SYNC:
if (!sb->s_qcop->quota_sync)
return -ENOSYS;
- sync_quota_sb(sb, type);
- return 0;
+ return sb->s_qcop->quota_sync(sb, type, 1);
case Q_XQUOTAON:
case Q_XQUOTAOFF:
case Q_XQUOTARM: