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=-6.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 0C58DC432C1 for ; Tue, 24 Sep 2019 13:23:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D4A0A2064A for ; Tue, 24 Sep 2019 13:22:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2505047AbfIXNW7 (ORCPT ); Tue, 24 Sep 2019 09:22:59 -0400 Received: from icp-osb-irony-out7.external.iinet.net.au ([203.59.1.107]:6015 "EHLO icp-osb-irony-out7.external.iinet.net.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730078AbfIXNW7 (ORCPT ); Tue, 24 Sep 2019 09:22:59 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A2AxAAA1GIpd/9+j0HYNWBwBAQEEAQE?= =?us-ascii?q?MBAEBgVUFAQELAYQ5hCKPWQEBAQEBAQaBEYoahR+KDoF7CQEBAQEBAQEBATc?= =?us-ascii?q?BAYQ6AwICg0Q2Bw4CDAEBAQQBAQEBAQUDAYVYhhkCAQMjBFIQGA0CJgICRxA?= =?us-ascii?q?GE4UZrRNzfzMaijSBDCgBgWKKPniBB4ERM4Mdh0+CWASMcYJlhixClkiCLJU?= =?us-ascii?q?lDIIqi10DEIp/LYQGpH0BgghNLgqDJ1CQRGaNJQEB?= X-IPAS-Result: =?us-ascii?q?A2AxAAA1GIpd/9+j0HYNWBwBAQEEAQEMBAEBgVUFAQELA?= =?us-ascii?q?YQ5hCKPWQEBAQEBAQaBEYoahR+KDoF7CQEBAQEBAQEBATcBAYQ6AwICg0Q2B?= =?us-ascii?q?w4CDAEBAQQBAQEBAQUDAYVYhhkCAQMjBFIQGA0CJgICRxAGE4UZrRNzfzMai?= =?us-ascii?q?jSBDCgBgWKKPniBB4ERM4Mdh0+CWASMcYJlhixClkiCLJUlDIIqi10DEIp/L?= =?us-ascii?q?YQGpH0BgghNLgqDJ1CQRGaNJQEB?= X-IronPort-AV: E=Sophos;i="5.64,544,1559491200"; d="scan'208";a="205615159" Received: from unknown (HELO [192.168.1.222]) ([118.208.163.223]) by icp-osb-irony-out7.iinet.net.au with ESMTP; 24 Sep 2019 21:22:28 +0800 Subject: [REPOST PATCH v3 05/16] xfs: mount-api - refactor xfs_parseags() From: Ian Kent To: linux-xfs Cc: David Howells , Dave Chinner , Al Viro , Eric Sandeen Date: Tue, 24 Sep 2019 21:22:28 +0800 Message-ID: <156933134801.20933.12482233632646976347.stgit@fedora-28> In-Reply-To: <156933112949.20933.12761540130806431294.stgit@fedora-28> References: <156933112949.20933.12761540130806431294.stgit@fedora-28> User-Agent: StGit/unknown-version MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org Refactor xfs_parseags(), move the entire token case block to a separate function in an attempt to highlight the code that actually changes in converting to use the new mount api. The only changes are what's needed to communicate the variables dsunit, dswidth and iosizelog back to xfs_parseags(). Signed-off-by: Ian Kent --- fs/xfs/xfs_super.c | 290 ++++++++++++++++++++++++++++------------------------ 1 file changed, 155 insertions(+), 135 deletions(-) diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 6a16750b1314..b04aebab69ab 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -205,6 +205,156 @@ match_kstrtoint(const substring_t *s, unsigned int base, int *res) return ret; } +STATIC int +xfs_parse_param( + int token, + char *p, + substring_t *args, + struct xfs_mount *mp, + int *dsunit, + int *dswidth, + uint8_t *iosizelog) +{ + int iosize = 0; + + switch (token) { + case Opt_logbufs: + if (match_int(args, &mp->m_logbufs)) + return -EINVAL; + break; + case Opt_logbsize: + if (match_kstrtoint(args, 10, &mp->m_logbsize)) + return -EINVAL; + break; + case Opt_logdev: + kfree(mp->m_logname); + mp->m_logname = match_strdup(args); + if (!mp->m_logname) + return -ENOMEM; + break; + case Opt_rtdev: + kfree(mp->m_rtname); + mp->m_rtname = match_strdup(args); + if (!mp->m_rtname) + return -ENOMEM; + break; + case Opt_allocsize: + if (match_kstrtoint(args, 10, &iosize)) + return -EINVAL; + *iosizelog = ffs(iosize) - 1; + break; + case Opt_grpid: + case Opt_bsdgroups: + mp->m_flags |= XFS_MOUNT_GRPID; + break; + case Opt_nogrpid: + case Opt_sysvgroups: + mp->m_flags &= ~XFS_MOUNT_GRPID; + break; + case Opt_wsync: + mp->m_flags |= XFS_MOUNT_WSYNC; + break; + case Opt_norecovery: + mp->m_flags |= XFS_MOUNT_NORECOVERY; + break; + case Opt_noalign: + mp->m_flags |= XFS_MOUNT_NOALIGN; + break; + case Opt_swalloc: + mp->m_flags |= XFS_MOUNT_SWALLOC; + break; + case Opt_sunit: + if (match_int(args, dsunit)) + return -EINVAL; + break; + case Opt_swidth: + if (match_int(args, dswidth)) + return -EINVAL; + break; + case Opt_inode32: + mp->m_flags |= XFS_MOUNT_SMALL_INUMS; + break; + case Opt_inode64: + mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS; + break; + case Opt_nouuid: + mp->m_flags |= XFS_MOUNT_NOUUID; + break; + case Opt_ikeep: + mp->m_flags |= XFS_MOUNT_IKEEP; + break; + case Opt_noikeep: + mp->m_flags &= ~XFS_MOUNT_IKEEP; + break; + case Opt_largeio: + mp->m_flags &= ~XFS_MOUNT_COMPAT_IOSIZE; + break; + case Opt_nolargeio: + mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE; + break; + case Opt_attr2: + mp->m_flags |= XFS_MOUNT_ATTR2; + break; + case Opt_noattr2: + mp->m_flags &= ~XFS_MOUNT_ATTR2; + mp->m_flags |= XFS_MOUNT_NOATTR2; + break; + case Opt_filestreams: + mp->m_flags |= XFS_MOUNT_FILESTREAMS; + break; + case Opt_noquota: + mp->m_qflags &= ~XFS_ALL_QUOTA_ACCT; + mp->m_qflags &= ~XFS_ALL_QUOTA_ENFD; + mp->m_qflags &= ~XFS_ALL_QUOTA_ACTIVE; + break; + case Opt_quota: + case Opt_uquota: + case Opt_usrquota: + mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE | + XFS_UQUOTA_ENFD); + break; + case Opt_qnoenforce: + case Opt_uqnoenforce: + mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE); + mp->m_qflags &= ~XFS_UQUOTA_ENFD; + break; + case Opt_pquota: + case Opt_prjquota: + mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE | + XFS_PQUOTA_ENFD); + break; + case Opt_pqnoenforce: + mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE); + mp->m_qflags &= ~XFS_PQUOTA_ENFD; + break; + case Opt_gquota: + case Opt_grpquota: + mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE | + XFS_GQUOTA_ENFD); + break; + case Opt_gqnoenforce: + mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE); + mp->m_qflags &= ~XFS_GQUOTA_ENFD; + break; + case Opt_discard: + mp->m_flags |= XFS_MOUNT_DISCARD; + break; + case Opt_nodiscard: + mp->m_flags &= ~XFS_MOUNT_DISCARD; + break; +#ifdef CONFIG_FS_DAX + case Opt_dax: + mp->m_flags |= XFS_MOUNT_DAX; + break; +#endif + default: + xfs_warn(mp, "unknown mount option [%s].", p); + return -EINVAL; + } + + return 0; +} + /* * This function fills in xfs_mount_t fields based on mount args. * Note: the superblock has _not_ yet been read in. @@ -226,7 +376,6 @@ xfs_parseargs( substring_t args[MAX_OPT_ARGS]; int dsunit = 0; int dswidth = 0; - int iosize = 0; uint8_t iosizelog = 0; /* @@ -265,145 +414,16 @@ xfs_parseargs( while ((p = strsep(&options, ",")) != NULL) { int token; + int ret; if (!*p) continue; token = match_token(p, tokens, args); - switch (token) { - case Opt_logbufs: - if (match_int(args, &mp->m_logbufs)) - return -EINVAL; - break; - case Opt_logbsize: - if (match_kstrtoint(args, 10, &mp->m_logbsize)) - return -EINVAL; - break; - case Opt_logdev: - kfree(mp->m_logname); - mp->m_logname = match_strdup(args); - if (!mp->m_logname) - return -ENOMEM; - break; - case Opt_rtdev: - kfree(mp->m_rtname); - mp->m_rtname = match_strdup(args); - if (!mp->m_rtname) - return -ENOMEM; - break; - case Opt_allocsize: - if (match_kstrtoint(args, 10, &iosize)) - return -EINVAL; - iosizelog = ffs(iosize) - 1; - break; - case Opt_grpid: - case Opt_bsdgroups: - mp->m_flags |= XFS_MOUNT_GRPID; - break; - case Opt_nogrpid: - case Opt_sysvgroups: - mp->m_flags &= ~XFS_MOUNT_GRPID; - break; - case Opt_wsync: - mp->m_flags |= XFS_MOUNT_WSYNC; - break; - case Opt_norecovery: - mp->m_flags |= XFS_MOUNT_NORECOVERY; - break; - case Opt_noalign: - mp->m_flags |= XFS_MOUNT_NOALIGN; - break; - case Opt_swalloc: - mp->m_flags |= XFS_MOUNT_SWALLOC; - break; - case Opt_sunit: - if (match_int(args, &dsunit)) - return -EINVAL; - break; - case Opt_swidth: - if (match_int(args, &dswidth)) - return -EINVAL; - break; - case Opt_inode32: - mp->m_flags |= XFS_MOUNT_SMALL_INUMS; - break; - case Opt_inode64: - mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS; - break; - case Opt_nouuid: - mp->m_flags |= XFS_MOUNT_NOUUID; - break; - case Opt_ikeep: - mp->m_flags |= XFS_MOUNT_IKEEP; - break; - case Opt_noikeep: - mp->m_flags &= ~XFS_MOUNT_IKEEP; - break; - case Opt_largeio: - mp->m_flags &= ~XFS_MOUNT_COMPAT_IOSIZE; - break; - case Opt_nolargeio: - mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE; - break; - case Opt_attr2: - mp->m_flags |= XFS_MOUNT_ATTR2; - break; - case Opt_noattr2: - mp->m_flags &= ~XFS_MOUNT_ATTR2; - mp->m_flags |= XFS_MOUNT_NOATTR2; - break; - case Opt_filestreams: - mp->m_flags |= XFS_MOUNT_FILESTREAMS; - break; - case Opt_noquota: - mp->m_qflags &= ~XFS_ALL_QUOTA_ACCT; - mp->m_qflags &= ~XFS_ALL_QUOTA_ENFD; - mp->m_qflags &= ~XFS_ALL_QUOTA_ACTIVE; - break; - case Opt_quota: - case Opt_uquota: - case Opt_usrquota: - mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE | - XFS_UQUOTA_ENFD); - break; - case Opt_qnoenforce: - case Opt_uqnoenforce: - mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE); - mp->m_qflags &= ~XFS_UQUOTA_ENFD; - break; - case Opt_pquota: - case Opt_prjquota: - mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE | - XFS_PQUOTA_ENFD); - break; - case Opt_pqnoenforce: - mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE); - mp->m_qflags &= ~XFS_PQUOTA_ENFD; - break; - case Opt_gquota: - case Opt_grpquota: - mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE | - XFS_GQUOTA_ENFD); - break; - case Opt_gqnoenforce: - mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE); - mp->m_qflags &= ~XFS_GQUOTA_ENFD; - break; - case Opt_discard: - mp->m_flags |= XFS_MOUNT_DISCARD; - break; - case Opt_nodiscard: - mp->m_flags &= ~XFS_MOUNT_DISCARD; - break; -#ifdef CONFIG_FS_DAX - case Opt_dax: - mp->m_flags |= XFS_MOUNT_DAX; - break; -#endif - default: - xfs_warn(mp, "unknown mount option [%s].", p); - return -EINVAL; - } + ret = xfs_parse_param(token, p, args, mp, + &dsunit, &dswidth, &iosizelog); + if (ret) + return ret; } /*