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=-9.8 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 A6340C2D0C7 for ; Thu, 12 Dec 2019 04:15:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7B23224658 for ; Thu, 12 Dec 2019 04:15:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="sVRnQPbk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726689AbfLLEPb (ORCPT ); Wed, 11 Dec 2019 23:15:31 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:43014 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726413AbfLLEPa (ORCPT ); Wed, 11 Dec 2019 23:15:30 -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 xBC4ENPe128897 for ; Thu, 12 Dec 2019 04:15:28 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=2txeFEAnUZhIWyNOtBciboKS5/5M9iTMPaFZ2mw+wc8=; b=sVRnQPbk5yw1d6lUTQ5x0otwi2k1MIZEm2ujVSVDBuYVW3f3EBMCleda9jU++omU6Srh swWaVNlgpcLWYn1HOgfPuAzNywg9v3n+sm0H9DiiI74HvNzixkJCHU2KjpcIWJmSwxVe CFqzxeCLBj9+0DUkJAAMa4wPL/QpW9Dx7e04XsC0mrJnzYW+la4Ya7n8RQt9TN+UxPjI 1exPDqP7LIX6fnWBEVd18QXxxvvoDfYsGt9O6X6fqJ1qZixmpqwoK378NfCzznZn7KGM 1kMVEKLj6NdHAJw2kt2JWu1AW1pQOREz5Z8IqAjQ5FKaSliZwBKMaGMsIeCWDGJK9LqD 6g== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2120.oracle.com with ESMTP id 2wr4qrre08-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 12 Dec 2019 04:15:28 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xBC4E4Iw127190 for ; Thu, 12 Dec 2019 04:15:27 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3020.oracle.com with ESMTP id 2wu2fvekn5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 12 Dec 2019 04:15:27 +0000 Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id xBC4FRpx003622 for ; Thu, 12 Dec 2019 04:15:27 GMT Received: from localhost.localdomain (/67.1.205.161) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 11 Dec 2019 20:15:26 -0800 From: Allison Collins To: linux-xfs@vger.kernel.org Subject: [PATCH v5 02/14] xfs: Replace attribute parameters with struct xfs_name Date: Wed, 11 Dec 2019 21:15:01 -0700 Message-Id: <20191212041513.13855-3-allison.henderson@oracle.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191212041513.13855-1-allison.henderson@oracle.com> References: <20191212041513.13855-1-allison.henderson@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9468 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=4 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-1912120022 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9468 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=4 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-1912120022 Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org This patch replaces the attribute name and length parameters with a single struct xfs_name parameter. This helps to clean up the numbers of parameters being passed around and pre-simplifies the code some. Signed-off-by: Allison Collins --- fs/xfs/libxfs/xfs_attr.c | 22 +++++++++------------- fs/xfs/libxfs/xfs_attr.h | 12 +++++------- fs/xfs/libxfs/xfs_types.c | 10 ++++++++++ fs/xfs/libxfs/xfs_types.h | 1 + fs/xfs/xfs_acl.c | 27 +++++++++++++-------------- fs/xfs/xfs_ioctl.c | 23 +++++++++++++---------- fs/xfs/xfs_iops.c | 6 +++--- fs/xfs/xfs_xattr.c | 23 +++++++++++++---------- 8 files changed, 67 insertions(+), 57 deletions(-) diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c index 6ad566f..de718ac7f 100644 --- a/fs/xfs/libxfs/xfs_attr.c +++ b/fs/xfs/libxfs/xfs_attr.c @@ -61,8 +61,7 @@ STATIC int xfs_attr_args_init( struct xfs_da_args *args, struct xfs_inode *dp, - const unsigned char *name, - size_t namelen, + struct xfs_name *name, int flags) { @@ -74,8 +73,8 @@ xfs_attr_args_init( args->whichfork = XFS_ATTR_FORK; args->dp = dp; args->flags = flags; - args->name = name; - args->namelen = namelen; + args->name = name->name; + args->namelen = name->len; if (args->namelen >= MAXNAMELEN) return -EFAULT; /* match IRIX behaviour */ @@ -139,8 +138,7 @@ xfs_attr_get_ilocked( int xfs_attr_get( struct xfs_inode *ip, - const unsigned char *name, - size_t namelen, + struct xfs_name *name, unsigned char **value, int *valuelenp, int flags) @@ -156,7 +154,7 @@ xfs_attr_get( if (XFS_FORCED_SHUTDOWN(ip->i_mount)) return -EIO; - error = xfs_attr_args_init(&args, ip, name, namelen, flags); + error = xfs_attr_args_init(&args, ip, name, flags); if (error) return error; @@ -339,8 +337,7 @@ xfs_attr_remove_args( int xfs_attr_set( struct xfs_inode *dp, - const unsigned char *name, - size_t namelen, + struct xfs_name *name, unsigned char *value, int valuelen, int flags) @@ -356,7 +353,7 @@ xfs_attr_set( if (XFS_FORCED_SHUTDOWN(dp->i_mount)) return -EIO; - error = xfs_attr_args_init(&args, dp, name, namelen, flags); + error = xfs_attr_args_init(&args, dp, name, flags); if (error) return error; @@ -444,8 +441,7 @@ xfs_attr_set( int xfs_attr_remove( struct xfs_inode *dp, - const unsigned char *name, - size_t namelen, + struct xfs_name *name, int flags) { struct xfs_mount *mp = dp->i_mount; @@ -457,7 +453,7 @@ xfs_attr_remove( if (XFS_FORCED_SHUTDOWN(dp->i_mount)) return -EIO; - error = xfs_attr_args_init(&args, dp, name, namelen, flags); + error = xfs_attr_args_init(&args, dp, name, flags); if (error) return error; diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h index 106a2f2..44dd07a 100644 --- a/fs/xfs/libxfs/xfs_attr.h +++ b/fs/xfs/libxfs/xfs_attr.h @@ -144,14 +144,12 @@ int xfs_attr_list_int_ilocked(struct xfs_attr_list_context *); 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, - size_t namelen, unsigned char **value, int *valuelenp, - int flags); -int xfs_attr_set(struct xfs_inode *dp, const unsigned char *name, - size_t namelen, unsigned char *value, int valuelen, int flags); +int xfs_attr_get(struct xfs_inode *ip, struct xfs_name *name, + unsigned char **value, int *valuelenp, int flags); +int xfs_attr_set(struct xfs_inode *dp, struct xfs_name *name, + 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, - size_t namelen, int flags); +int xfs_attr_remove(struct xfs_inode *dp, struct xfs_name *name, 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); diff --git a/fs/xfs/libxfs/xfs_types.c b/fs/xfs/libxfs/xfs_types.c index 4f59554..c81a904 100644 --- a/fs/xfs/libxfs/xfs_types.c +++ b/fs/xfs/libxfs/xfs_types.c @@ -12,6 +12,16 @@ #include "xfs_bit.h" #include "xfs_mount.h" +/* Initialize a struct xfs_name with a null terminated string name */ +void +xfs_name_init( + struct xfs_name *xname, + const char *name) +{ + xname->name = name; + xname->len = (strlen(name)); +} + /* Find the size of the AG, in blocks. */ xfs_agblock_t xfs_ag_block_count( diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h index 397d947..b94acb5 100644 --- a/fs/xfs/libxfs/xfs_types.h +++ b/fs/xfs/libxfs/xfs_types.h @@ -180,6 +180,7 @@ enum xfs_ag_resv_type { */ struct xfs_mount; +void xfs_name_init(struct xfs_name *xname, const char *name); xfs_agblock_t xfs_ag_block_count(struct xfs_mount *mp, xfs_agnumber_t agno); bool xfs_verify_agbno(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno); diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index b58e18c..7b0e5b7 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -123,7 +123,7 @@ xfs_get_acl(struct inode *inode, int type) struct xfs_inode *ip = XFS_I(inode); struct posix_acl *acl = NULL; struct xfs_acl *xfs_acl = NULL; - unsigned char *ea_name; + struct xfs_name name; int error; int len; @@ -131,10 +131,10 @@ xfs_get_acl(struct inode *inode, int type) switch (type) { case ACL_TYPE_ACCESS: - ea_name = SGI_ACL_FILE; + name.name = SGI_ACL_FILE; break; case ACL_TYPE_DEFAULT: - ea_name = SGI_ACL_DEFAULT; + name.name = SGI_ACL_DEFAULT; break; default: BUG(); @@ -145,9 +145,9 @@ xfs_get_acl(struct inode *inode, int type) * go out to the disk. */ len = XFS_ACL_MAX_SIZE(ip->i_mount); - error = xfs_attr_get(ip, ea_name, strlen(ea_name), - (unsigned char **)&xfs_acl, &len, - ATTR_ALLOC | ATTR_ROOT); + xfs_name_init(&name, name.name); + error = xfs_attr_get(ip, &name, (unsigned char **)&xfs_acl, &len, + ATTR_ALLOC | ATTR_ROOT); if (error) { /* * If the attribute doesn't exist make sure we have a negative @@ -167,17 +167,17 @@ int __xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) { struct xfs_inode *ip = XFS_I(inode); - unsigned char *ea_name; + struct xfs_name name; int error; switch (type) { case ACL_TYPE_ACCESS: - ea_name = SGI_ACL_FILE; + name.name = SGI_ACL_FILE; break; case ACL_TYPE_DEFAULT: if (!S_ISDIR(inode->i_mode)) return acl ? -EACCES : 0; - ea_name = SGI_ACL_DEFAULT; + name.name = SGI_ACL_DEFAULT; break; default: return -EINVAL; @@ -197,17 +197,16 @@ __xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) len -= sizeof(struct xfs_acl_entry) * (XFS_ACL_MAX_ENTRIES(ip->i_mount) - acl->a_count); - error = xfs_attr_set(ip, ea_name, strlen(ea_name), - (unsigned char *)xfs_acl, len, ATTR_ROOT); + xfs_name_init(&name, name.name); + error = xfs_attr_set(ip, &name, (unsigned char *)xfs_acl, len, + ATTR_ROOT); kmem_free(xfs_acl); } else { /* * A NULL ACL argument means we want to remove the ACL. */ - error = xfs_attr_remove(ip, ea_name, - strlen(ea_name), - ATTR_ROOT); + error = xfs_attr_remove(ip, &name, ATTR_ROOT); /* * If the attribute didn't exist to start with that's fine. diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index f5a9bf9..4fc8698 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -357,7 +357,9 @@ xfs_attrmulti_attr_get( { unsigned char *kbuf; int error = -EFAULT; - size_t namelen; + struct xfs_name xname; + + xfs_name_init(&xname, name); if (*len > XFS_XATTR_SIZE_MAX) return -EINVAL; @@ -365,9 +367,7 @@ xfs_attrmulti_attr_get( if (!kbuf) return -ENOMEM; - namelen = strlen(name); - error = xfs_attr_get(XFS_I(inode), name, namelen, &kbuf, (int *)len, - flags); + error = xfs_attr_get(XFS_I(inode), &xname, &kbuf, (int *)len, flags); if (error) goto out_kfree; @@ -389,7 +389,9 @@ xfs_attrmulti_attr_set( { unsigned char *kbuf; int error; - size_t namelen; + struct xfs_name xname; + + xfs_name_init(&xname, name); if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) return -EPERM; @@ -400,8 +402,7 @@ xfs_attrmulti_attr_set( if (IS_ERR(kbuf)) return PTR_ERR(kbuf); - namelen = strlen(name); - error = xfs_attr_set(XFS_I(inode), name, namelen, kbuf, len, flags); + error = xfs_attr_set(XFS_I(inode), &xname, kbuf, len, flags); if (!error) xfs_forget_acl(inode, name, flags); kfree(kbuf); @@ -415,12 +416,14 @@ xfs_attrmulti_attr_remove( uint32_t flags) { int error; - size_t namelen; + struct xfs_name xname; + + xfs_name_init(&xname, name); if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) return -EPERM; - namelen = strlen(name); - error = xfs_attr_remove(XFS_I(inode), name, namelen, flags); + + error = xfs_attr_remove(XFS_I(inode), &xname, flags); if (!error) xfs_forget_acl(inode, name, flags); return error; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 81f2f93..e85bbf5 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -48,11 +48,11 @@ xfs_initxattrs( const struct xattr *xattr; struct xfs_inode *ip = XFS_I(inode); int error = 0; + struct xfs_name name; for (xattr = xattr_array; xattr->name != NULL; xattr++) { - error = xfs_attr_set(ip, xattr->name, - strlen(xattr->name), - xattr->value, xattr->value_len, + xfs_name_init(&name, xattr->name); + error = xfs_attr_set(ip, &name, xattr->value, xattr->value_len, ATTR_SECURE); if (error < 0) break; diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c index 1f1601f..5623682 100644 --- a/fs/xfs/xfs_xattr.c +++ b/fs/xfs/xfs_xattr.c @@ -21,10 +21,12 @@ static int xfs_xattr_get(const struct xattr_handler *handler, struct dentry *unused, struct inode *inode, const char *name, void *value, size_t size) { - int xflags = handler->flags; - struct xfs_inode *ip = XFS_I(inode); - int error, asize = size; - size_t namelen = strlen(name); + int xflags = handler->flags; + struct xfs_inode *ip = XFS_I(inode); + int error, asize = size; + struct xfs_name xname; + + xfs_name_init(&xname, name); /* Convert Linux syscall to XFS internal ATTR flags */ if (!size) { @@ -32,8 +34,8 @@ xfs_xattr_get(const struct xattr_handler *handler, struct dentry *unused, value = NULL; } - error = xfs_attr_get(ip, name, namelen, (unsigned char **)&value, - &asize, xflags); + error = xfs_attr_get(ip, &xname, (unsigned char **)&value, &asize, + xflags); if (error) return error; return asize; @@ -69,7 +71,9 @@ xfs_xattr_set(const struct xattr_handler *handler, struct dentry *unused, int xflags = handler->flags; struct xfs_inode *ip = XFS_I(inode); int error; - size_t namelen = strlen(name); + struct xfs_name xname; + + xfs_name_init(&xname, name); /* Convert Linux syscall to XFS internal ATTR flags */ if (flags & XATTR_CREATE) @@ -78,9 +82,8 @@ xfs_xattr_set(const struct xattr_handler *handler, struct dentry *unused, xflags |= ATTR_REPLACE; if (!value) - return xfs_attr_remove(ip, name, - namelen, xflags); - error = xfs_attr_set(ip, name, namelen, (void *)value, size, xflags); + return xfs_attr_remove(ip, &xname, xflags); + error = xfs_attr_set(ip, &xname, (void *)value, size, xflags); if (!error) xfs_forget_acl(inode, name, xflags); -- 2.7.4