[PATCH 3/3] writeback: writeback clustering by inode number

Organize dirty inodes in the order of location instead of dirty time. It helps write extensive workloads to be more seek-friendly. There are 2 candidates for this feature: 1) XFS style piggybacking write all expired(age>30s) inodes, plus the ones near them(any ages) 2)

[PATCH 3/3] writeback: writeback clustering by inode number

Organize dirty inodes in the order of location instead of dirty time. It helps write extensive workloads to be more seek-friendly. There are 2 candidates for this feature: 1) XFS style piggybacking write all expired(age30s) inodes, plus the ones near them(any ages) 2)