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Date: Fri, 17 Dec 2010 16:59:33 +0100 From: Jerome Marchand <jmarchan@...hat.com> To: Greg Kroah-Hartman <gregkh@...e.de> CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Nitin Gupta <ngupta@...are.org> Subject: [PATCH 1/4] Staging: zram: make ZRAM depends on SYSFS We can not configure zram device without sysfs anyway, so make zram depends on it. Signed-off-by: Jerome Marchand <jmarchan@...hat.com> --- Kconfig | 2 +- zram_drv.c | 4 ---- zram_sysfs.c | 4 ---- 3 files changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/staging/zram/Kconfig b/drivers/staging/zram/Kconfig index da079f8..d3982e6 100644 --- a/drivers/staging/zram/Kconfig +++ b/drivers/staging/zram/Kconfig @@ -1,6 +1,6 @@ config ZRAM tristate "Compressed RAM block device support" - depends on BLOCK + depends on BLOCK && SYSFS select LZO_COMPRESS select LZO_DECOMPRESS default n diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c index 8c3c057..d649b3e 100644 --- a/drivers/staging/zram/zram_drv.c +++ b/drivers/staging/zram/zram_drv.c @@ -633,14 +633,12 @@ static int create_device(struct zram *zram, int device_id) add_disk(zram->disk); -#ifdef CONFIG_SYSFS ret = sysfs_create_group(&disk_to_dev(zram->disk)->kobj, &zram_disk_attr_group); if (ret < 0) { pr_warning("Error creating sysfs group"); goto out; } -#endif zram->init_done = 0; @@ -650,10 +648,8 @@ out: static void destroy_device(struct zram *zram) { -#ifdef CONFIG_SYSFS sysfs_remove_group(&disk_to_dev(zram->disk)->kobj, &zram_disk_attr_group); -#endif if (zram->disk) { del_gendisk(zram->disk); diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c index 6b3cf00..ad62db2 100644 --- a/drivers/staging/zram/zram_sysfs.c +++ b/drivers/staging/zram/zram_sysfs.c @@ -17,8 +17,6 @@ #include "zram_drv.h" -#ifdef CONFIG_SYSFS - static u64 zram_stat64_read(struct zram *zram, u64 *v) { u64 val; @@ -220,5 +218,3 @@ static struct attribute *zram_disk_attrs[] = { struct attribute_group zram_disk_attr_group = { .attrs = zram_disk_attrs, }; - -#endif /* CONFIG_SYSFS */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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