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 3FA8A235041 for ; Mon, 13 Oct 2025 02:42:35 +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=1760323358; cv=none; b=DNd4uZGHRSv7X0nqRK+Siz6ezKVtcmfzwRnTfFpfrJPJhfdNub6YdgcFqLCtHjNXU/2YxpMYKcQHNlLa4xxo0e7eaIwDpRORGnCS2XcnUpvFSxRGtfgpUzHho67poir7ulP6s3+jH9L9AMyc4zOw3GQDfCuAlQwZAGFI7QhmC00= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760323358; c=relaxed/simple; bh=rslePG0yLJdKlcu562xeP8TNMr1NaVCICfpwDbT5xU0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cMd+63EQdksu/90+WP1SguS9nc4S7/e0qGYxlXSIrTzuB3to/5rhY3cEXoXK+te20vp1r3KryNpxaFKfnG2cgdQ7/Wd+bkXyP1gduQeNYlqE/nztxBDbY4GRfEmCk80SV4pUBxYxqLOKjEhQb4Pe/KtOyHzFnlEixCStNb0SACw= 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=sg8AMg4V; 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="sg8AMg4V" 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=hKWDJiEFxpthRFVnvoIrT2jFsXHg4u+HnCaGX96Io/Q=; b=sg8AMg4VklR2Q3Je6VVmXszmRy QPS3ugIDlhNCWRA4wfUZTNrCWyWs2u1904aIec53f/wri6gcvfbehyMHRwyxpgielFlmqMxmZzN+G os7dc1nCJcDlacASAYhwmF31d85qxjKOG4jCIQncL3y/qo8D8qNZ/0k1LTVPJJbIYsWbl2okDVVkd kEd9oAGFJbUqitw5DvN7QQ89o5RNGoVKgZce7nQswy6WWrmNwhm8dES7+xHX04o4w5l45vKJ95lof cRzB8+I8P20AXHNT2sup2zE+zkDTjv3clh9E8WIkAjde/BCAUankIWVKiGQrORBC31eQtHI8h1iub 9rn66FuA==; Received: from [220.85.59.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1v88WB-0000000C7F4-1u0A; Mon, 13 Oct 2025 02:42:35 +0000 From: Christoph Hellwig To: Carlos Maiolino Cc: linux-xfs@vger.kernel.org Subject: [PATCH 1/9] xfs: add a XLOG_CYCLE_DATA_SIZE constant Date: Mon, 13 Oct 2025 11:42:05 +0900 Message-ID: <20251013024228.4109032-2-hch@lst.de> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251013024228.4109032-1-hch@lst.de> References: <20251013024228.4109032-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-xfs@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 The XLOG_HEADER_CYCLE_SIZE / BBSIZE expression is used a lot in the log code, give it a symbolic name. Signed-off-by: Christoph Hellwig --- fs/xfs/libxfs/xfs_log_format.h | 5 +++-- fs/xfs/xfs_log.c | 18 +++++++++--------- fs/xfs/xfs_log_recover.c | 6 +++--- 3 files changed, 15 insertions(+), 14 deletions(-) diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index 6c50cb2ece19..91a841ea5bb3 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -31,6 +31,7 @@ typedef uint32_t xlog_tid_t; #define XLOG_BIG_RECORD_BSIZE (32*1024) /* 32k buffers */ #define XLOG_MAX_RECORD_BSIZE (256*1024) #define XLOG_HEADER_CYCLE_SIZE (32*1024) /* cycle data in header */ +#define XLOG_CYCLE_DATA_SIZE (XLOG_HEADER_CYCLE_SIZE / BBSIZE) #define XLOG_MIN_RECORD_BSHIFT 14 /* 16384 == 1 << 14 */ #define XLOG_BIG_RECORD_BSHIFT 15 /* 32k == 1 << 15 */ #define XLOG_MAX_RECORD_BSHIFT 18 /* 256k == 1 << 18 */ @@ -135,7 +136,7 @@ typedef struct xlog_rec_header { __le32 h_crc; /* crc of log record : 4 */ __be32 h_prev_block; /* block number to previous LR : 4 */ __be32 h_num_logops; /* number of log operations in this LR : 4 */ - __be32 h_cycle_data[XLOG_HEADER_CYCLE_SIZE / BBSIZE]; + __be32 h_cycle_data[XLOG_CYCLE_DATA_SIZE]; /* fields added by the Linux port: */ __be32 h_fmt; /* format of log record : 4 */ @@ -172,7 +173,7 @@ typedef struct xlog_rec_header { typedef struct xlog_rec_ext_header { __be32 xh_cycle; /* write cycle of log : 4 */ - __be32 xh_cycle_data[XLOG_HEADER_CYCLE_SIZE / BBSIZE]; /* : 256 */ + __be32 xh_cycle_data[XLOG_CYCLE_DATA_SIZE]; /* : 256 */ } xlog_rec_ext_header_t; /* diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 603e85c1ab4c..e09e5f71ed8c 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -1533,7 +1533,7 @@ xlog_pack_data( dp = iclog->ic_datap; for (i = 0; i < BTOBB(size); i++) { - if (i >= (XLOG_HEADER_CYCLE_SIZE / BBSIZE)) + if (i >= XLOG_CYCLE_DATA_SIZE) break; iclog->ic_header.h_cycle_data[i] = *(__be32 *)dp; *(__be32 *)dp = cycle_lsn; @@ -1544,8 +1544,8 @@ xlog_pack_data( xlog_in_core_2_t *xhdr = iclog->ic_data; for ( ; i < BTOBB(size); i++) { - j = i / (XLOG_HEADER_CYCLE_SIZE / BBSIZE); - k = i % (XLOG_HEADER_CYCLE_SIZE / BBSIZE); + j = i / XLOG_CYCLE_DATA_SIZE; + k = i % XLOG_CYCLE_DATA_SIZE; xhdr[j].hic_xheader.xh_cycle_data[k] = *(__be32 *)dp; *(__be32 *)dp = cycle_lsn; dp += BBSIZE; @@ -3368,9 +3368,9 @@ xlog_verify_iclog( clientid = ophead->oh_clientid; } else { idx = BTOBBT((void *)&ophead->oh_clientid - iclog->ic_datap); - if (idx >= (XLOG_HEADER_CYCLE_SIZE / BBSIZE)) { - j = idx / (XLOG_HEADER_CYCLE_SIZE / BBSIZE); - k = idx % (XLOG_HEADER_CYCLE_SIZE / BBSIZE); + if (idx >= XLOG_CYCLE_DATA_SIZE) { + j = idx / XLOG_CYCLE_DATA_SIZE; + k = idx % XLOG_CYCLE_DATA_SIZE; clientid = xlog_get_client_id( xhdr[j].hic_xheader.xh_cycle_data[k]); } else { @@ -3392,9 +3392,9 @@ xlog_verify_iclog( op_len = be32_to_cpu(ophead->oh_len); } else { idx = BTOBBT((void *)&ophead->oh_len - iclog->ic_datap); - if (idx >= (XLOG_HEADER_CYCLE_SIZE / BBSIZE)) { - j = idx / (XLOG_HEADER_CYCLE_SIZE / BBSIZE); - k = idx % (XLOG_HEADER_CYCLE_SIZE / BBSIZE); + if (idx >= XLOG_CYCLE_DATA_SIZE) { + j = idx / XLOG_CYCLE_DATA_SIZE; + k = idx % XLOG_CYCLE_DATA_SIZE; op_len = be32_to_cpu(xhdr[j].hic_xheader.xh_cycle_data[k]); } else { op_len = be32_to_cpu(iclog->ic_header.h_cycle_data[idx]); diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 549d60959aee..bb2b3f976deb 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2866,7 +2866,7 @@ xlog_unpack_data( int i, j, k; for (i = 0; i < BTOBB(be32_to_cpu(rhead->h_len)) && - i < (XLOG_HEADER_CYCLE_SIZE / BBSIZE); i++) { + i < XLOG_CYCLE_DATA_SIZE; i++) { *(__be32 *)dp = *(__be32 *)&rhead->h_cycle_data[i]; dp += BBSIZE; } @@ -2874,8 +2874,8 @@ xlog_unpack_data( if (xfs_has_logv2(log->l_mp)) { xlog_in_core_2_t *xhdr = (xlog_in_core_2_t *)rhead; for ( ; i < BTOBB(be32_to_cpu(rhead->h_len)); i++) { - j = i / (XLOG_HEADER_CYCLE_SIZE / BBSIZE); - k = i % (XLOG_HEADER_CYCLE_SIZE / BBSIZE); + j = i / XLOG_CYCLE_DATA_SIZE; + k = i % XLOG_CYCLE_DATA_SIZE; *(__be32 *)dp = xhdr[j].hic_xheader.xh_cycle_data[k]; dp += BBSIZE; } -- 2.47.3