From mboxrd@z Thu Jan 1 00:00:00 1970 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 picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C430DC54EBE for ; Mon, 16 Jan 2023 11:12:47 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id A85323CC8F9 for ; Mon, 16 Jan 2023 12:12:45 +0100 (CET) Received: from in-3.smtp.seeweb.it (in-3.smtp.seeweb.it [217.194.8.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 7B9753CB4C0 for ; Mon, 16 Jan 2023 12:12:35 +0100 (CET) Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) (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 in-3.smtp.seeweb.it (Postfix) with ESMTPS id CEF241A0080C for ; Mon, 16 Jan 2023 12:12:34 +0100 (CET) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 82C453728F; Mon, 16 Jan 2023 11:12:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1673867552; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=x/Yx1GTIaMGQjpCEO+NliwJIx+zl/nopFR2MsmmNyfw=; b=KBl5pTZGmjwx5yKtayDDJFShbm3HwACmiT1leOvAwgqmwurQEkTK0MsKuvd18zgsfmbIi+ l2eoLhtBeAwfSycr0KUH+FKHcjIxUQkazc0x1cdgCNPShBVUYGr8/z9rx06iUqY74fDgjJ Le60kebU4g+FJ6lyevcunBu9gF4LmBY= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 6CBF3138FA; Mon, 16 Jan 2023 11:12:31 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id IZoAEh8xxWO5agAAMHmgww (envelope-from ); Mon, 16 Jan 2023 11:12:31 +0000 To: ltp@lists.linux.it Date: Mon, 16 Jan 2023 03:48:02 -0500 Message-Id: <20230116084802.6510-1-wegao@suse.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230115234708.12802-1-wegao@suse.com> References: <20230115234708.12802-1-wegao@suse.com> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.102.4 at in-3.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH v3] readahead02.c: Fix check input fsize X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Wei Gao via ltp Reply-To: Wei Gao Cc: Richard Palethorpe Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" We run the test with a loop device it will fail with ENOSPC if we pass -s bigger than the loop device, we should at least check if the device is large enough in the test setup.The test should make use of use tst_parse_filesize() so that we can pass sizes with units e.g. -s 128M. Signed-off-by: Wei Gao Suggested-by: Petr Vorel Suggested-by: Richard Palethorpe Suggested-by: PCyril Hrubis --- include/tst_device.h | 4 +++- lib/tst_device.c | 2 +- .../kernel/syscalls/readahead/readahead02.c | 22 +++++++++++++++---- 3 files changed, 22 insertions(+), 6 deletions(-) diff --git a/include/tst_device.h b/include/tst_device.h index 977427f1c..f03f17f7d 100644 --- a/include/tst_device.h +++ b/include/tst_device.h @@ -6,6 +6,8 @@ #ifndef TST_DEVICE_H__ #define TST_DEVICE_H__ +#define DEV_SIZE_MB 300u + #include #include #include @@ -49,7 +51,7 @@ int tst_clear_device(const char *dev); * free loopdev). If path is non-NULL, it will be filled with free loopdev path. * */ -int tst_find_free_loopdev(const char *path, size_t path_len); +int tst_find_free_loopdev(char *path, size_t path_len); /* * Attaches a file to a loop device. diff --git a/lib/tst_device.c b/lib/tst_device.c index 48d7e3ab6..b098fc80b 100644 --- a/lib/tst_device.c +++ b/lib/tst_device.c @@ -38,6 +38,7 @@ #include "lapi/syscalls.h" #include "test.h" #include "safe_macros.h" +#include "tst_device.h" #ifndef LOOP_CTL_GET_FREE # define LOOP_CTL_GET_FREE 0x4C82 @@ -46,7 +47,6 @@ #define LOOP_CONTROL_FILE "/dev/loop-control" #define DEV_FILE "test_dev.img" -#define DEV_SIZE_MB 300u #define UUID_STR_SZ 37 #define UUID_FMT "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x" diff --git a/testcases/kernel/syscalls/readahead/readahead02.c b/testcases/kernel/syscalls/readahead/readahead02.c index 7acf4bb18..7cf6b5032 100644 --- a/testcases/kernel/syscalls/readahead/readahead02.c +++ b/testcases/kernel/syscalls/readahead/readahead02.c @@ -33,6 +33,7 @@ #include "tst_test.h" #include "tst_timer.h" #include "lapi/syscalls.h" +#include "tst_device.h" static char testfile[PATH_MAX] = "testfile"; #define DROP_CACHES_FNAME "/proc/sys/vm/drop_caches" @@ -366,11 +367,25 @@ static void setup_readahead_length(void) static void setup(void) { - if (opt_fsizestr) { - testfile_size = SAFE_STRTOL(opt_fsizestr, 1, INT_MAX); - tst_set_max_runtime(1 + testfile_size / (DEFAULT_FILESIZE/32)); + /* + * Acutaly dev size will reduced after create filesystem, + * so use dev_szie * 0.8 as dev real usage size, test case will + * create two files within dev so we need div 2 get max file size + */ + size_t dev_size = (tst_device->size ? tst_device->size : DEV_SIZE_MB) * 1024 * 1024; + size_t fsize_max = dev_size * 0.8 / 2; + + /* At least two pagesize for test case */ + pagesize = getpagesize(); + size_t fsize_min = pagesize * 2; + + if (tst_parse_filesize(opt_fsizestr, (long long *)&testfile_size, fsize_min, fsize_max)) { + tst_set_max_runtime(1 + DEFAULT_FILESIZE / (DEFAULT_FILESIZE/32)); + tst_brk(TBROK, "invalid initial filesize '%s'", opt_fsizestr); } + tst_set_max_runtime(1 + testfile_size / (DEFAULT_FILESIZE/32)); + if (access(PROC_IO_FNAME, F_OK)) tst_brk(TCONF, "Requires " PROC_IO_FNAME); @@ -380,7 +395,6 @@ static void setup(void) /* check if readahead is supported */ tst_syscall(__NR_readahead, 0, 0, 0); - pagesize = getpagesize(); setup_readahead_length(); tst_res(TINFO, "readahead length: %d", readahead_length); -- 2.35.3 -- Mailing list info: https://lists.linux.it/listinfo/ltp