Hello,
This patchset introduces zram-control sysfs class, which has two sysfs
attrs:
- zram_add -- add a new specific (device_id) zram device
- zram_remove -- remove a specific (device_id) zram device
Usage example:
# add a new specific zram device
echo 4 > /sys/class/zram-control/zram_add
# remove a specific zram device
echo 4 > /sys/class/zram-control/zram_remove
Patch set also does some cleanups and huge code reorganization.
v2:
switch to sysfs class, rather than using /dev/zram-control node and
doing IOCTL on it. we lose some features, though. like automatic
device_id generation.
Sergey Senozhatsky (7):
zram: cosmetic ZRAM_ATTR_RO code formatting tweak
zram: use idr instead of `zram_devices' array
zram: factor out device reset from reset_store()
zram: reorganize code layout
zram: add dynamic device add/remove functionality
zram: remove max_num_devices limitation
zram: report every added and removed device
Documentation/ABI/testing/sysfs-class-zram | 23 +
drivers/block/zram/zram_drv.c | 780 +++++++++++++++++------------
drivers/block/zram/zram_drv.h | 6 -
3 files changed, 474 insertions(+), 335 deletions(-)
create mode 100644 Documentation/ABI/testing/sysfs-class-zram
--
2.3.1.167.g7f4ba4b
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