ovl: create ovl_need_index() helper
[linux/fpc-iii.git] / Documentation / ABI / testing / sysfs-class-zram
blob48ddacbe0e69e5b11be9e280fe56de602034ccab
1 What:           /sys/class/zram-control/
2 Date:           August 2015
3 KernelVersion:  4.2
4 Contact:        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
5 Description:
6                 The zram-control/ class sub-directory belongs to zram
7                 device class
9 What:           /sys/class/zram-control/hot_add
10 Date:           August 2015
11 KernelVersion:  4.2
12 Contact:        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
13 Description:
14                 RO attribute. Read operation will cause zram to add a new
15                 device and return its device id back to user (so one can
16                 use /dev/zram<id>), or error code.
18 What:           /sys/class/zram-control/hot_remove
19 Date:           August 2015
20 KernelVersion:  4.2
21 Contact:        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
22 Description:
23                 WO attribute. Remove a specific /dev/zramX device, where X
24                 is a device_id provided by user.