[PATCH v1 hot_track 13/18] vfs: add debugfs support

From: Zhi Yong Wu Add a /sys/kernel/debug/hot_track// directory for each volume that contains two files. The first, `inode_stats', contains the heat information for inodes that have been brought into the hot data map structures. The second, `range_stats', contains similar information for

[PATCH v1 hot_track 13/18] vfs: add debugfs support

From: Zhi Yong Wu wu...@linux.vnet.ibm.com Add a /sys/kernel/debug/hot_track/device_name/ directory for each volume that contains two files. The first, `inode_stats', contains the heat information for inodes that have been brought into the hot data map structures. The second, `range_stats',