Hi All, The following three patches are the updated patch set to allow ext4 DIO read without holding i_mutex lock. I re-partitioned the patches so the first patch contains only mechinical changes. The fourth patch was dropped since it is only code cleanup to avoid function declearation. This version of patches also contains a couple of bug fixes for the previous one. Jiaying -- 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