From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B5E191F2B90 for ; Wed, 14 May 2025 22:46:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747262816; cv=none; b=uGonQ8Nna7cmGal8c0U2wmBuK/F5L958fIf85NYxkCwg3aJSUqbPrg320TgOlxPhZM1nTaK1cX1oMbgA74PavqAswGhD0/vDRryUsC8Sh9CIZ8IN/uZbXlzRcmAQxzNsGHHI21JS5+6R9ZYpWCd1M3Zgvk69Tt7ai2RNDozSpHg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747262816; c=relaxed/simple; bh=/yJwyTde4zxYXS/ecJ2yqUZCJjvygcO0NwHGS6ErkU4=; h=Date:To:From:Subject:Message-Id; b=ZcYVLJcbtnNUBecM2DjiCdINmQWrUn6YJ6mbbkWWNe+//VfDTKe3HMno0HFGAqZFCuxV5u6l0UvEgdzE6quoEF+sodO4pf7W9CzisWcIoDFaeCiVBVgg1vKFBEF7rHpsd8injwpYu8MJ6OFqbmoiZvW0Id8w7gSCceBCgnOPA00= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=kiyZtPmi; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="kiyZtPmi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 22624C4CEE3; Wed, 14 May 2025 22:46:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1747262816; bh=/yJwyTde4zxYXS/ecJ2yqUZCJjvygcO0NwHGS6ErkU4=; h=Date:To:From:Subject:From; b=kiyZtPmiNoRymaGzvphe80r3krGg3OMw+i5AFTwfpF4/54wiWD/KXKTwDxf78Ejzu oeFIFh8QoHlfZcU354rhf6+IbDQP972KwtSu4n+3iErlFmhP/WabvThy38KtOiVd8g hfEaBCnY/FzZhIXpfoLcVSfYu+6TzlpkVvMeMmMM= Date: Wed, 14 May 2025 15:46:55 -0700 To: mm-commits@vger.kernel.org,zaslonko@linux.ibm.com,minchan@kernel.org,senozhatsky@chromium.org,akpm@linux-foundation.org From: Andrew Morton Subject: + zram-rename-zcomp_param_no_level.patch added to mm-new branch Message-Id: <20250514224656.22624C4CEE3@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: zram: rename ZCOMP_PARAM_NO_LEVEL has been added to the -mm mm-new branch. Its filename is zram-rename-zcomp_param_no_level.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/zram-rename-zcomp_param_no_level.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. 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 via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Sergey Senozhatsky Subject: zram: rename ZCOMP_PARAM_NO_LEVEL Date: Wed, 14 May 2025 11:47:50 +0900 Patch series "zram: support algorithm-specific parameters". This patchset adds support for algorithm-specific parameters. For now, only deflate-specific winbits can be configured, which fixes deflate support on some s390 setups. This patch (of 2): Use more generic name because this will be default "un-set" value for more params in the future. Link: https://lkml.kernel.org/r/20250514024825.1745489-1-senozhatsky@chromium.org Link: https://lkml.kernel.org/r/20250514024825.1745489-2-senozhatsky@chromium.org Signed-off-by: Sergey Senozhatsky Reviewed-by: Mikhail Zaslonko Cc: Minchan Kim Signed-off-by: Andrew Morton --- drivers/block/zram/backend_deflate.c | 2 +- drivers/block/zram/backend_lz4.c | 2 +- drivers/block/zram/backend_lz4hc.c | 2 +- drivers/block/zram/backend_zstd.c | 2 +- drivers/block/zram/zcomp.h | 2 +- drivers/block/zram/zram_drv.c | 4 ++-- 6 files changed, 7 insertions(+), 7 deletions(-) --- a/drivers/block/zram/backend_deflate.c~zram-rename-zcomp_param_no_level +++ a/drivers/block/zram/backend_deflate.c @@ -22,7 +22,7 @@ static void deflate_release_params(struc static int deflate_setup_params(struct zcomp_params *params) { - if (params->level == ZCOMP_PARAM_NO_LEVEL) + if (params->level == ZCOMP_PARAM_NOT_SET) params->level = Z_DEFAULT_COMPRESSION; return 0; --- a/drivers/block/zram/backend_lz4.c~zram-rename-zcomp_param_no_level +++ a/drivers/block/zram/backend_lz4.c @@ -18,7 +18,7 @@ static void lz4_release_params(struct zc static int lz4_setup_params(struct zcomp_params *params) { - if (params->level == ZCOMP_PARAM_NO_LEVEL) + if (params->level == ZCOMP_PARAM_NOT_SET) params->level = LZ4_ACCELERATION_DEFAULT; return 0; --- a/drivers/block/zram/backend_lz4hc.c~zram-rename-zcomp_param_no_level +++ a/drivers/block/zram/backend_lz4hc.c @@ -18,7 +18,7 @@ static void lz4hc_release_params(struct static int lz4hc_setup_params(struct zcomp_params *params) { - if (params->level == ZCOMP_PARAM_NO_LEVEL) + if (params->level == ZCOMP_PARAM_NOT_SET) params->level = LZ4HC_DEFAULT_CLEVEL; return 0; --- a/drivers/block/zram/backend_zstd.c~zram-rename-zcomp_param_no_level +++ a/drivers/block/zram/backend_zstd.c @@ -58,7 +58,7 @@ static int zstd_setup_params(struct zcom return -ENOMEM; params->drv_data = zp; - if (params->level == ZCOMP_PARAM_NO_LEVEL) + if (params->level == ZCOMP_PARAM_NOT_SET) params->level = zstd_default_clevel(); zp->cprm = zstd_get_params(params->level, PAGE_SIZE); --- a/drivers/block/zram/zcomp.h~zram-rename-zcomp_param_no_level +++ a/drivers/block/zram/zcomp.h @@ -5,7 +5,7 @@ #include -#define ZCOMP_PARAM_NO_LEVEL INT_MIN +#define ZCOMP_PARAM_NOT_SET INT_MIN /* * Immutable driver (backend) parameters. The driver may attach private --- a/drivers/block/zram/zram_drv.c~zram-rename-zcomp_param_no_level +++ a/drivers/block/zram/zram_drv.c @@ -1276,7 +1276,7 @@ static void comp_params_reset(struct zra struct zcomp_params *params = &zram->params[prio]; vfree(params->dict); - params->level = ZCOMP_PARAM_NO_LEVEL; + params->level = ZCOMP_PARAM_NOT_SET; params->dict_sz = 0; params->dict = NULL; } @@ -1308,7 +1308,7 @@ static ssize_t algorithm_params_store(st const char *buf, size_t len) { - s32 prio = ZRAM_PRIMARY_COMP, level = ZCOMP_PARAM_NO_LEVEL; + s32 prio = ZRAM_PRIMARY_COMP, level = ZCOMP_PARAM_NOT_SET; char *args, *param, *val, *algo = NULL, *dict_path = NULL; struct zram *zram = dev_to_zram(dev); int ret; _ Patches currently in -mm which might be from senozhatsky@chromium.org are zram-rename-zcomp_param_no_level.patch zram-support-deflate-specific-params.patch