v0->v1: fix a bug in ext4_ext_convert_to_initialized() reported by Allison <achender@xxxxxxxxxxxxxxxxxx>. optimize ext4_ext_convert_to_initialized(). -- factor common code These patches factor common code from ext4_ext_convert_to_initialized() and ext4_split_unwritten_extents() so that extent-move-on-write in snapshot and punch hole can be built on the common code. -- optimization the 4th and the 5th patch optimize ext4_ext_convert_to_initialized() by zeroing out in memory. [PATCH RFC v1 1/5] ext4:Add a function merging extent right and left. [PATCH RFC v1 2/5] ext4:Add two functions splitting an extent. [PATCH RFC v1 3/5] ext4:Reimplement convert and split_unwritten. [PATCH RFC v1 4/5] ext4: Add a function ext4_ext_zeroout_mem(). [PATCH RFC v1 5/5] ext4: optimize ext4_ext_convert_to_initialized(). -- 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