From patchwork Thu Dec 16 09:44:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Ghiti X-Patchwork-Id: 12680435 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9432BC433F5 for ; Thu, 16 Dec 2021 09:50:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231424AbhLPJuC (ORCPT ); Thu, 16 Dec 2021 04:50:02 -0500 Received: from smtp-relay-internal-1.canonical.com ([185.125.188.123]:50188 "EHLO smtp-relay-internal-1.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231438AbhLPJuC (ORCPT ); Thu, 16 Dec 2021 04:50:02 -0500 Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-1.canonical.com (Postfix) with ESMTPS id 22DB83F1C0 for ; Thu, 16 Dec 2021 09:50:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1639648201; bh=UE9qVdLRJW7bpl/DPmIb38u9EtZ1GCmDXsqavcnm0Z0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=TihPtfNPkBeUNOEAEzQ25xyVQPGPJbNCujbUQkqprU0irdWQQNwBaSt8CEDmRnM3i HM6sCeel9d03U9fi3IHOBbyTP3UR5VhOotzWLD6rYgrQ9wA2fW3sfIt+YDkH2xoYOm gDmNNn6XjiNnXMMaxINuCKJe831iHV+T2Z4XCQKiJrbVNBsAFTkY0SHtwyMBIFHB7g Ud9dYc/u//Q8YMAT1v6GrON9gEhr2QjJQKXYqGRVScJOXX5oyOsYJKCL9UOhnGQte2 dv9rAxfhi/p8bcJ4mdT6XfG24csC69x6h+kEePYPeazBUwTKUYEgxL8UqpA7cZmWMh 4sgA9s1Bfi5Ag== Received: by mail-wr1-f69.google.com with SMTP id l13-20020adfbd8d000000b001a23a990dbfso604523wrh.5 for ; Thu, 16 Dec 2021 01:50:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UE9qVdLRJW7bpl/DPmIb38u9EtZ1GCmDXsqavcnm0Z0=; b=ui4hB7Fk5mRCKgpRiLOweZlJ+ibWOy6MUhHBUMLlW4zvp/9mmDas+ESfHhTh0Z75xk 6MInrBH7ZlcbNZjsnjcDlfd+PZQ98O8P22GwxhvO5faN3wGX3Mz1s6Z+FD6nFBgkcluV f4o9vygwfg7cQSM4W82jsFsT4pxxHw6KbnLzurf43TQWYp+003nCMq229jAWUJEym5Re nB8dIYJv1taHkJAKYCx/TNMPZteqfmJiMWVOZSgEYitd9cjdZGGpkdZrYg9KhmUsG7zt PWIaps8+1ym4nDe3NaXTso6I5DCRLdXSRF13sRDnOAGkfFdwAEDtecXdaN/fZMDNtRWS 0Z5Q== X-Gm-Message-State: AOAM533ic3GXhTmq1W26Jpvnxexq5O1JO/JT0SYgY1KNQCypZxMtVkT1 Kb7F0MXSgrBsIaX9uZiTdb9sPDaNUXP5JWHHjEm2d2t/8R4vcJuCa1U/VpXvt2ls169tHOrMxn0 iZrFWg7Yxq9YZc818YN4QtdoedylosWwtxkEN X-Received: by 2002:a05:6000:1d1:: with SMTP id t17mr2381570wrx.569.1639648200618; Thu, 16 Dec 2021 01:50:00 -0800 (PST) X-Google-Smtp-Source: ABdhPJx/xLlJnCExECCDNoAM44eP9543vxxsGpjhjfHYoFuaFs3LQSghst7DJCdkhsW2zDOpmEE8rA== X-Received: by 2002:a05:6000:1d1:: with SMTP id t17mr2381544wrx.569.1639648200429; Thu, 16 Dec 2021 01:50:00 -0800 (PST) Received: from alex.home (lfbn-gre-1-195-1.w90-112.abo.wanadoo.fr. [90.112.158.1]) by smtp.gmail.com with ESMTPSA id k6sm3892637wmj.16.2021.12.16.01.49.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Dec 2021 01:50:00 -0800 (PST) From: Alexandre Ghiti To: Steve French , Jonathan Corbet , David Howells , Russell King , Thomas Bogendoerfer , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Yoshinori Sato , Rich Felker , Matti Vaittinen , Lee Jones , Jeff Layton , Greg Kroah-Hartman , Arnd Bergmann , Ronnie Sahlberg , Guenter Roeck , Wim Van Sebroeck , Lukas Bulwahn , Luis Chamberlain , Kalle Valo , linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-cachefs@redhat.com, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, linux-power@fi.rohmeurope.com Cc: Alexandre Ghiti Subject: [PATCH v2 5/6] Documentation, arch, fs: Remove leftovers from fscache object list Date: Thu, 16 Dec 2021 10:44:25 +0100 Message-Id: <20211216094426.2083802-6-alexandre.ghiti@canonical.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211216094426.2083802-1-alexandre.ghiti@canonical.com> References: <20211216094426.2083802-1-alexandre.ghiti@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org A few references to the fscache object list were left in the Documentation, some arch defconfigs and in fs: remove them since this config does not exists anymore. Fixes: 58f386a73f16 ("fscache: Remove the object list procfile") Signed-off-by: Alexandre Ghiti Acked-by: Arnd Bergmann [arch/arm/configs] --- Documentation/filesystems/caching/fscache.rst | 89 ------------------- arch/arm/configs/axm55xx_defconfig | 1 - fs/fscache/object.c | 3 - fs/fscache/proc.c | 12 --- 4 files changed, 105 deletions(-) diff --git a/Documentation/filesystems/caching/fscache.rst b/Documentation/filesystems/caching/fscache.rst index 66e31a6d1070..7cedab444947 100644 --- a/Documentation/filesystems/caching/fscache.rst +++ b/Documentation/filesystems/caching/fscache.rst @@ -411,95 +411,6 @@ proc file. +--------------+-------+-------------------------------------------------------+ - -Object List -=========== - -If CONFIG_FSCACHE_OBJECT_LIST is enabled, the FS-Cache facility will maintain a -list of all the objects currently allocated and allow them to be viewed -through:: - - /proc/fs/fscache/objects - -This will look something like:: - - [root@andromeda ~]# head /proc/fs/fscache/objects - OBJECT PARENT STAT CHLDN OPS OOP IPR EX READS EM EV F S | NETFS_COOKIE_DEF TY FL NETFS_DATA OBJECT_KEY, AUX_DATA - ======== ======== ==== ===== === === === == ===== == == = = | ================ == == ================ ================ - 17e4b 2 ACTV 0 0 0 0 0 0 7b 4 0 0 | NFS.fh DT 0 ffff88001dd82820 010006017edcf8bbc93b43298fdfbe71e50b57b13a172c0117f38472, e567634700000000000000000000000063f2404a000000000000000000000000c9030000000000000000000063f2404a - 1693a 2 ACTV 0 0 0 0 0 0 7b 4 0 0 | NFS.fh DT 0 ffff88002db23380 010006017edcf8bbc93b43298fdfbe71e50b57b1e0162c01a2df0ea6, 420ebc4a000000000000000000000000420ebc4a0000000000000000000000000e1801000000000000000000420ebc4a - -where the first set of columns before the '|' describe the object: - - ======= =============================================================== - COLUMN DESCRIPTION - ======= =============================================================== - OBJECT Object debugging ID (appears as OBJ%x in some debug messages) - PARENT Debugging ID of parent object - STAT Object state - CHLDN Number of child objects of this object - OPS Number of outstanding operations on this object - OOP Number of outstanding child object management operations - IPR - EX Number of outstanding exclusive operations - READS Number of outstanding read operations - EM Object's event mask - EV Events raised on this object - F Object flags - S Object work item busy state mask (1:pending 2:running) - ======= =============================================================== - -and the second set of columns describe the object's cookie, if present: - - ================ ====================================================== - COLUMN DESCRIPTION - ================ ====================================================== - NETFS_COOKIE_DEF Name of netfs cookie definition - TY Cookie type (IX - index, DT - data, hex - special) - FL Cookie flags - NETFS_DATA Netfs private data stored in the cookie - OBJECT_KEY Object key } 1 column, with separating comma - AUX_DATA Object aux data } presence may be configured - ================ ====================================================== - -The data shown may be filtered by attaching the a key to an appropriate keyring -before viewing the file. Something like:: - - keyctl add user fscache:objlist @s - -where are a selection of the following letters: - - == ========================================================= - K Show hexdump of object key (don't show if not given) - A Show hexdump of object aux data (don't show if not given) - == ========================================================= - -and the following paired letters: - - == ========================================================= - C Show objects that have a cookie - c Show objects that don't have a cookie - B Show objects that are busy - b Show objects that aren't busy - W Show objects that have pending writes - w Show objects that don't have pending writes - R Show objects that have outstanding reads - r Show objects that don't have outstanding reads - S Show objects that have work queued - s Show objects that don't have work queued - == ========================================================= - -If neither side of a letter pair is given, then both are implied. For example: - - keyctl add user fscache:objlist KB @s - -shows objects that are busy, and lists their object keys, but does not dump -their auxiliary data. It also implies "CcWwRrSs", but as 'B' is given, 'b' is -not implied. - -By default all objects and all fields will be shown. - - Debugging ========= diff --git a/arch/arm/configs/axm55xx_defconfig b/arch/arm/configs/axm55xx_defconfig index b36e0b347d1f..c0ea326d4c5e 100644 --- a/arch/arm/configs/axm55xx_defconfig +++ b/arch/arm/configs/axm55xx_defconfig @@ -205,7 +205,6 @@ CONFIG_CUSE=y CONFIG_FSCACHE=y CONFIG_FSCACHE_STATS=y CONFIG_FSCACHE_DEBUG=y -CONFIG_FSCACHE_OBJECT_LIST=y CONFIG_CACHEFILES=y CONFIG_ISO9660_FS=y CONFIG_UDF_FS=y diff --git a/fs/fscache/object.c b/fs/fscache/object.c index 6a675652129b..f31257a74f35 100644 --- a/fs/fscache/object.c +++ b/fs/fscache/object.c @@ -321,9 +321,6 @@ void fscache_object_init(struct fscache_object *object, object->cookie = cookie; fscache_cookie_get(cookie, fscache_cookie_get_attach_object); object->parent = NULL; -#ifdef CONFIG_FSCACHE_OBJECT_LIST - RB_CLEAR_NODE(&object->objlist_link); -#endif object->oob_event_mask = 0; for (t = object->oob_table; t->events; t++) diff --git a/fs/fscache/proc.c b/fs/fscache/proc.c index 061df8f61ffc..4c327aeed91b 100644 --- a/fs/fscache/proc.c +++ b/fs/fscache/proc.c @@ -31,18 +31,9 @@ int __init fscache_proc_init(void) goto error_stats; #endif -#ifdef CONFIG_FSCACHE_OBJECT_LIST - if (!proc_create("fs/fscache/objects", S_IFREG | 0444, NULL, - &fscache_objlist_proc_ops)) - goto error_objects; -#endif - _leave(" = 0"); return 0; -#ifdef CONFIG_FSCACHE_OBJECT_LIST -error_objects: -#endif #ifdef CONFIG_FSCACHE_STATS remove_proc_entry("fs/fscache/stats", NULL); error_stats: @@ -60,9 +51,6 @@ int __init fscache_proc_init(void) */ void fscache_proc_cleanup(void) { -#ifdef CONFIG_FSCACHE_OBJECT_LIST - remove_proc_entry("fs/fscache/objects", NULL); -#endif #ifdef CONFIG_FSCACHE_STATS remove_proc_entry("fs/fscache/stats", NULL); #endif