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 X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A9E14C32771 for ; Sat, 18 Jan 2020 22:48:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F832246AA for ; Sat, 18 Jan 2020 22:48:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="dgCr+WV+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727041AbgARWsP (ORCPT ); Sat, 18 Jan 2020 17:48:15 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:51884 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726960AbgARWsO (ORCPT ); Sat, 18 Jan 2020 17:48:14 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 00IMebV8073069 for ; Sat, 18 Jan 2020 22:48:13 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : subject : date : message-id : in-reply-to : references; s=corp-2019-08-05; bh=RRJopCHxSkzBb9Kxsnbaqpd6u/PmMu6kqKKpPymSzK8=; b=dgCr+WV+DqQnhLMV1pRSLm2OPQOVpMEdBvyGIqREqMPR+5GGHn+c/9Q8S//8RctC4MJX RU9FgKVwpyLn54yVB0A1G6L9txHum2HiFkWB4kg8XL8NwQHvjHeWGz1KQ34oJgdrpV0/ 3FmhEtYgSDHe7zyitv20lvAGMd7fPWjYl4SRLchgJtBjW1Hs6hre/SCJL5XtTn18N4qM IPW3hZ2GBLxAHTqjMZ4vnmisWzHV8SfJt7wbOQOpjFSkW5X76iZQVcGga09uBgSfPvt7 PBL1jcskIcpYRpyY8RuOazLwsMIgdwKtnZpF8vUw4fiKmCAtUFDcOibc1i4hUydwj7DH vA== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by userp2120.oracle.com with ESMTP id 2xktnqsw08-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sat, 18 Jan 2020 22:48:13 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 00IMcqOk125861 for ; Sat, 18 Jan 2020 22:46:12 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3030.oracle.com with ESMTP id 2xkr2danmg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sat, 18 Jan 2020 22:46:12 +0000 Received: from abhmp0020.oracle.com (abhmp0020.oracle.com [141.146.116.26]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 00IMkBGn025469 for ; Sat, 18 Jan 2020 22:46:11 GMT Received: from localhost.localdomain (/67.1.3.112) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sat, 18 Jan 2020 14:46:11 -0800 From: Allison Collins To: linux-xfs@vger.kernel.org Subject: [PATCH v6 01/17] xfsprogs: Remove all strlen in all xfs_attr_* functions for attr names. Date: Sat, 18 Jan 2020 15:45:42 -0700 Message-Id: <20200118224558.19382-2-allison.henderson@oracle.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200118224558.19382-1-allison.henderson@oracle.com> References: <20200118224558.19382-1-allison.henderson@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9504 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001180185 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9504 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001180185 Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org This helps to pre-simplify the extra handling of the null terminator in delayed operations which use memcpy rather than strlen. Later when we introduce parent pointers, attribute names will become binary, so strlen will not work at all. Removing uses of strlen now will help reduce complexities later Signed-off-by: Allison Collins Reviewed-by: Darrick J. Wong Reviewed-by: Brian Foster Reviewed-by: Christoph Hellwig Signed-off-by: Darrick J. Wong --- db/attrset.c | 4 ++-- libxfs/libxfs_priv.h | 9 +++++---- libxfs/xfs_attr.c | 12 ++++++++---- libxfs/xfs_attr.h | 8 +++++--- 4 files changed, 20 insertions(+), 13 deletions(-) diff --git a/db/attrset.c b/db/attrset.c index 5697250..5c0ec6e9 100644 --- a/db/attrset.c +++ b/db/attrset.c @@ -146,7 +146,7 @@ attr_set_f( goto out; } - if (libxfs_attr_set(ip, (unsigned char *)name, + if (libxfs_attr_set(ip, (unsigned char *)name, strlen(name), (unsigned char *)value, valuelen, flags)) { dbprintf(_("failed to set attr %s on inode %llu\n"), name, (unsigned long long)iocur_top->ino); @@ -222,7 +222,7 @@ attr_remove_f( goto out; } - if (libxfs_attr_remove(ip, (unsigned char *)name, flags)) { + if (libxfs_attr_remove(ip, (unsigned char *)name, strlen(name), flags)) { dbprintf(_("failed to remove attr %s from inode %llu\n"), name, (unsigned long long)iocur_top->ino); goto out; diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h index d944efc0..c25c5de 100644 --- a/libxfs/libxfs_priv.h +++ b/libxfs/libxfs_priv.h @@ -610,11 +610,12 @@ static inline int test_and_set_bit(int nr, volatile unsigned long *addr) int xfs_inode_hasattr(struct xfs_inode *ip); int xfs_attr_get_ilocked(struct xfs_inode *ip, struct xfs_da_args *args); int xfs_attr_get(struct xfs_inode *ip, const unsigned char *name, - unsigned char **value, int *valuelenp, int flags); + size_t namelen, unsigned char **value, int *valuelenp, + int flags); int xfs_attr_set(struct xfs_inode *dp, const unsigned char *name, - unsigned char *value, int valuelen, int flags); -int xfs_attr_remove(struct xfs_inode *dp, const unsigned char *name, int flags); - + size_t namelen, unsigned char *value, int valuelen, int flags); +int xfs_attr_remove(struct xfs_inode *dp, const unsigned char *name, + size_t namelen, int flags); int xfs_rtbuf_get(struct xfs_mount *mp, struct xfs_trans *tp, xfs_rtblock_t block, int issum, struct xfs_buf **bpp); int xfs_rtcheck_range(struct xfs_mount *mp, struct xfs_trans *tp, diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c index ada1b5f..925094d 100644 --- a/libxfs/xfs_attr.c +++ b/libxfs/xfs_attr.c @@ -61,6 +61,7 @@ xfs_attr_args_init( struct xfs_da_args *args, struct xfs_inode *dp, const unsigned char *name, + size_t namelen, int flags) { @@ -73,7 +74,7 @@ xfs_attr_args_init( args->dp = dp; args->flags = flags; args->name = name; - args->namelen = strlen((const char *)name); + args->namelen = namelen; if (args->namelen >= MAXNAMELEN) return -EFAULT; /* match IRIX behaviour */ @@ -138,6 +139,7 @@ int xfs_attr_get( struct xfs_inode *ip, const unsigned char *name, + size_t namelen, unsigned char **value, int *valuelenp, int flags) @@ -153,7 +155,7 @@ xfs_attr_get( if (XFS_FORCED_SHUTDOWN(ip->i_mount)) return -EIO; - error = xfs_attr_args_init(&args, ip, name, flags); + error = xfs_attr_args_init(&args, ip, name, namelen, flags); if (error) return error; @@ -337,6 +339,7 @@ int xfs_attr_set( struct xfs_inode *dp, const unsigned char *name, + size_t namelen, unsigned char *value, int valuelen, int flags) @@ -352,7 +355,7 @@ xfs_attr_set( if (XFS_FORCED_SHUTDOWN(dp->i_mount)) return -EIO; - error = xfs_attr_args_init(&args, dp, name, flags); + error = xfs_attr_args_init(&args, dp, name, namelen, flags); if (error) return error; @@ -441,6 +444,7 @@ int xfs_attr_remove( struct xfs_inode *dp, const unsigned char *name, + size_t namelen, int flags) { struct xfs_mount *mp = dp->i_mount; @@ -452,7 +456,7 @@ xfs_attr_remove( if (XFS_FORCED_SHUTDOWN(dp->i_mount)) return -EIO; - error = xfs_attr_args_init(&args, dp, name, flags); + error = xfs_attr_args_init(&args, dp, name, namelen, flags); if (error) return error; diff --git a/libxfs/xfs_attr.h b/libxfs/xfs_attr.h index 94badfa..106a2f2 100644 --- a/libxfs/xfs_attr.h +++ b/libxfs/xfs_attr.h @@ -145,11 +145,13 @@ int xfs_attr_list_int(struct xfs_attr_list_context *); int xfs_inode_hasattr(struct xfs_inode *ip); int xfs_attr_get_ilocked(struct xfs_inode *ip, struct xfs_da_args *args); int xfs_attr_get(struct xfs_inode *ip, const unsigned char *name, - unsigned char **value, int *valuelenp, int flags); + size_t namelen, unsigned char **value, int *valuelenp, + int flags); int xfs_attr_set(struct xfs_inode *dp, const unsigned char *name, - unsigned char *value, int valuelen, int flags); + size_t namelen, unsigned char *value, int valuelen, int flags); int xfs_attr_set_args(struct xfs_da_args *args); -int xfs_attr_remove(struct xfs_inode *dp, const unsigned char *name, int flags); +int xfs_attr_remove(struct xfs_inode *dp, const unsigned char *name, + size_t namelen, int flags); int xfs_attr_remove_args(struct xfs_da_args *args); int xfs_attr_list(struct xfs_inode *dp, char *buffer, int bufsize, int flags, struct attrlist_cursor_kern *cursor); -- 2.7.4