From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 AF982379C23; Tue, 2 Jun 2026 05:46:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780379207; cv=none; b=dU8bs8rwGslwZzlpuwQddoTCA+cGEuSFwHFTXELtGznn+SozFYVBtQW9bPzMJiefjUauR9JzQakCDQsO5UbMuTtQmtNkr2/g5gQttC4tTl+jZXeRcKlYSHbf6Ca3lYN+w2uCp14Ht5MBYNKGim25BlH8t1wkmG961f4DrjLeEYA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780379207; c=relaxed/simple; bh=APCw1cEWopHWhwedbCIUvSoTSp5H7NijbX7pVtv/Pww=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bUj8/QZonG8ksH2xf8CRIMQRmbpvAiOZdE9NABbhYdjkQSHU83d33ZOJa2tubT8WZ95YtInICq/kwog1RM2mUlPjx3Qb7mjdF00ERmAcS6yCLyuse8ZIkwcOYSICNmgxqTrAqH8KHjtChIr2/ctWBNiGxAFgpoM7yScPwdTMhC0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=lst.de; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=AkEliDO9; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="AkEliDO9" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=g663VL2As30LH7t1nj4DdbKAj/dqzmJVSf2vvAp0Q1g=; b=AkEliDO92rQyhHClqJ22QD/u/4 6XOVyTWAVqUCDGTwcNgD5ev1X4SOsu2zpKYbeGlNLYbUpq1lpMcrhRR3iTdl9UlUxZFo2k53AMJvD T2gfExYqmM978w1VxIeHE9FwNBwgnLXh299OBQjGJtjKQxaeWSUeD4Ec0BOIN5DaYvZUGqHGMFvbn G14SKUxTs01/izxkfxKLRV8RruiWjI2+PgRs53ErzsQOJTgtXg91FwqajGV17vJLwWCUk3tMsxqlL Qndw8wivQWcBiL6Ibgk1a0dzGtZrTz1Tsn9EPkzMKI/q+dOjuoN03y4S81q39Dnlbs4EVZ71Tm86I jY5WQ9Qg==; Received: from 2a02-8389-2341-5b80-decc-1a96-daaa-a2cc.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:decc:1a96:daaa:a2cc] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.99.1 #2 (Red Hat Linux)) id 1wUHxc-0000000CLBt-3lcD; Tue, 02 Jun 2026 05:46:45 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Jonathan Corbet , linux-block@vger.kernel.org, linux-doc@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH 7/9] block: add a str_to_blk_op helper Date: Tue, 2 Jun 2026 07:45:39 +0200 Message-ID: <20260602054615.3788425-8-hch@lst.de> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260602054615.3788425-1-hch@lst.de> References: <20260602054615.3788425-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Add a helper to find the REQ_OP_XYZ constant from the "XYZ" string. This will be used for the error injection debugfs interface. Signed-off-by: Christoph Hellwig --- block/blk-core.c | 13 +++++++++++++ block/blk.h | 1 + 2 files changed, 14 insertions(+) diff --git a/block/blk-core.c b/block/blk-core.c index 19a4d0672b3d..8bbc03ce924f 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -132,6 +132,19 @@ inline const char *blk_op_str(enum req_op op) } EXPORT_SYMBOL_GPL(blk_op_str); +enum req_op str_to_blk_op(const char *op) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(blk_op_name); i++) { + if (blk_op_name[i] && + !strcmp(blk_op_name[i], op)) + return i; + } + + return REQ_OP_LAST; +} + #define ENT(_tag, _errno, _desc) \ [BLK_STS_##_tag] = { \ .errno = _errno, \ diff --git a/block/blk.h b/block/blk.h index 1e80338af858..4857b899e2b6 100644 --- a/block/blk.h +++ b/block/blk.h @@ -52,6 +52,7 @@ void blk_free_flush_queue(struct blk_flush_queue *q); const char *blk_status_to_str(blk_status_t status); const char *blk_status_to_tag(blk_status_t status); blk_status_t tag_to_blk_status(const char *tag); +enum req_op str_to_blk_op(const char *op); bool __blk_mq_unfreeze_queue(struct request_queue *q, bool force_atomic); bool blk_queue_start_drain(struct request_queue *q); -- 2.53.0