On Sat 27-03-10 15:15:40, Dmitry Monakhov wrote: > Quota inode is append only. In most cases writes performed > to allocated blocks before i_size. Currently we grup i_mutex > for each quota write to protect i_size and i_mtime. But in most > cases i_size not changed. And i_mtime is not that important > as for regular files. So let's update it only when quota file > increased. This allow us to avoid i_mutex in most cases. But this won't help performance at all because dqio_mutex serializes writes to the file already, right? Honza -- Jan Kara <jack@xxxxxxx> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
