Introduce this function which just writes all the quota structures but
avoids all the syncing and cache pruning work to expose quota structures
to userspace. Use this function from __sync_filesystem when wait == 0.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
*/
static int __sync_filesystem(struct super_block *sb, int wait)
{
*/
static int __sync_filesystem(struct super_block *sb, int wait)
{
+ /* Avoid doing twice syncing and cache pruning for quota sync */
+ if (!wait)
+ writeout_quota_sb(sb, -1);
+ else
+ sync_quota_sb(sb, -1);
sync_inodes_sb(sb, wait);
lock_super(sb);
if (sb->s_dirt && sb->s_op->write_super)
sync_inodes_sb(sb, wait);
lock_super(sb);
if (sb->s_dirt && sb->s_op->write_super)
* declaration of quota_function calls in kernel.
*/
void sync_quota_sb(struct super_block *sb, int type);
* declaration of quota_function calls in kernel.
*/
void sync_quota_sb(struct super_block *sb, int type);
+static inline void writeout_quota_sb(struct super_block *sb, int type)
+{
+ if (sb->s_qcop->quota_sync)
+ sb->s_qcop->quota_sync(sb, type);
+}
int dquot_initialize(struct inode *inode, int type);
int dquot_drop(struct inode *inode);
int dquot_initialize(struct inode *inode, int type);
int dquot_drop(struct inode *inode);
+static inline void writeout_quota_sb(struct super_block *sb, int type)
+{
+}
+
static inline int vfs_dq_off(struct super_block *sb, int remount)
{
return 0;
static inline int vfs_dq_off(struct super_block *sb, int remount)
{
return 0;