The patch titled Subject: zram: use ATTRIBUTE_GROUPS has been added to the -mm tree. Its filename is zram-use-attribute_groups.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/zram-use-attribute_groups.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/zram-use-attribute_groups.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Luis Chamberlain <mcgrof@xxxxxxxxxx> Subject: zram: use ATTRIBUTE_GROUPS Embrace ATTRIBUTE_GROUPS to avoid boiler plate code. This should not introduce any functional changes. Link: https://lkml.kernel.org/r/20211028203600.2157356-1-mcgrof@xxxxxxxxxx Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx> Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx> Cc: Minchan Kim <minchan@xxxxxxxxxx> Cc: Nitin Gupta <ngupta@xxxxxxxxxx> Cc: Jens Axboe <axboe@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/block/zram/zram_drv.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) --- a/drivers/block/zram/zram_drv.c~zram-use-attribute_groups +++ a/drivers/block/zram/zram_drv.c @@ -1901,14 +1901,7 @@ static struct attribute *zram_disk_attrs NULL, }; -static const struct attribute_group zram_disk_attr_group = { - .attrs = zram_disk_attrs, -}; - -static const struct attribute_group *zram_disk_attr_groups[] = { - &zram_disk_attr_group, - NULL, -}; +ATTRIBUTE_GROUPS(zram_disk); /* * Allocate and initialize new zram device. the function returns @@ -1980,7 +1973,7 @@ static int zram_add(void) blk_queue_max_write_zeroes_sectors(zram->disk->queue, UINT_MAX); blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, zram->disk->queue); - ret = device_add_disk(NULL, zram->disk, zram_disk_attr_groups); + ret = device_add_disk(NULL, zram->disk, zram_disk_groups); if (ret) goto out_cleanup_disk; _ Patches currently in -mm which might be from mcgrof@xxxxxxxxxx are zram-use-attribute_groups.patch