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 D704637F738 for ; Wed, 8 Apr 2026 10:35:56 +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=1775644556; cv=none; b=iGWXyFHKWOr49h15KezP/auP+PO/5gqsxYz4UVIO+AtkJMChyCpnDhizLWG9dvrL7O1vPbs7tF9vbN4j7LuMIRPYdW8Zg3pjag7ul/iboapmzawhX1sOdA9mOOrlFQWWBUHftrsLK7MVYmZzCGjSG32Jz+8qAD/bqwGSYq90Pho= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775644556; c=relaxed/simple; bh=uxXmkFTRHHSnlmWKFR9FBEQRLsF2FoJWAdB+cduBilA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=o5pSi7nUhe1MujtWTNoT76T0qVAmv9Wb54tQWsHaYpQtaob+omSkEoJXCrgXzg2h7uahV2VDWbxt+3V2tsZXWW2hz3SKtlmNPmj8XciSNTpK+8dcF10O67BRIQTU9KHl/URd2zhWJrDayz2ZIXyW+xxSBPr/86AeVNQj8ts61AM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gmYfCJ47; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gmYfCJ47" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2BFBAC19421; Wed, 8 Apr 2026 10:35:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775644556; bh=uxXmkFTRHHSnlmWKFR9FBEQRLsF2FoJWAdB+cduBilA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gmYfCJ47+kxBBByKN/YHinb5Yr1ho3KH73z/H4jucH/iTYYkhxxlvwZ+Ruk6pBZMB V+JF6UydAlapczftC6EtmwZtAYqxC6qMXHMpgXff4to3WQzgLO6atBG50TkeGtAdtn Xdv5mPr+9QoHLSg8Wu1cG6q4xtmpipZBzjfOZvhArtk0K+c5NGZn4lfCh2eF2+75W5 ext6Yei9esl4cXV7oVAtGeg6JrpjVBUXFGypIOK1Xm9bcSICgH+LgN3Zr64FgU6cfi weIwbHPr3uaFWFqHDnumBmLhJIJrsIZFUdAK4a5EI2QZxH661oLAJVwvvlFHJ5OvAU SwxsGg33VqQWg== From: cem@kernel.org To: kzak@redhat.com Cc: util-linux@vger.kernel.org, zkabelac@redhat.com, amulhern@redhat.com Subject: [PATCH RFC 2/2] Revert "libblkid: check for private DM device before open" Date: Wed, 8 Apr 2026 12:35:26 +0200 Message-ID: <20260408103538.134308-3-cem@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260408103538.134308-1-cem@kernel.org> References: <20260408103538.134308-1-cem@kernel.org> Precedence: bulk X-Mailing-List: util-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Carlos Maiolino This reverts commit d05a84b22e549527cbcbcc7d5efc6bad06668170. Signed-off-by: Carlos Maiolino --- libblkid/src/probe.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/libblkid/src/probe.c b/libblkid/src/probe.c index d47c22c72043..60af2915c0d7 100644 --- a/libblkid/src/probe.c +++ b/libblkid/src/probe.c @@ -216,18 +216,8 @@ blkid_probe blkid_new_probe_from_filename(const char *filename) { int fd; blkid_probe pr = NULL; - struct stat sb; - - /* - * Check for private device-mapper devices (LVM internals, etc.) - * before open() to avoid bumping the kernel open count. A racing - * DM_DEVICE_REMOVE would otherwise see EBUSY. - */ - if (stat(filename, &sb) == 0 && S_ISBLK(sb.st_mode) && - sysfs_devno_is_dm_private(sb.st_rdev, NULL)) - return NULL; - fd = open(filename, O_RDONLY | O_CLOEXEC | O_NONBLOCK); + fd = open(filename, O_RDONLY|O_CLOEXEC|O_NONBLOCK); if (fd < 0) return NULL; -- 2.53.0