linux-kernel - [PATCH v6 3/3] zram: use ATTRIBUTE

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Date:   Fri,  2 Jul 2021 17:19:58 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     akpm@...ux-foundation.org, minchan@...nel.org,
        gregkh@...uxfoundation.org, jeyu@...nel.org, ngupta@...are.org,
        sergey.senozhatsky.work@...il.com, rafael@...nel.org
Cc:     mcgrof@...nel.org, axboe@...nel.dk, tj@...nel.org, mbenes@...e.com,
        jpoimboe@...hat.com, tglx@...utronix.de, keescook@...omium.org,
        jikos@...nel.org, rostedt@...dmis.org, peterz@...radead.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v6 3/3] zram: use ATTRIBUTE_GROUPS

Remove boilerplate code and use ATTRIBUTE_GROUPS() to
simplify the code further. This produces no functional changes
other than reducing the size of the group name variable.

Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
---
 drivers/block/zram/zram_drv.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 205cf9287d0c..56be6817c5b2 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1902,14 +1902,7 @@ 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
@@ -1981,7 +1974,7 @@ 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);
-	device_add_disk(NULL, zram->disk, zram_disk_attr_groups);
+	device_add_disk(NULL, zram->disk, zram_disk_groups);
 
 	strlcpy(zram->compressor, default_compressor, sizeof(zram->compressor));
 
-- 
2.27.0