From owner-svn-src-stable-11@freebsd.org Thu Sep 22 08:56:55 2016 Return-Path: Delivered-To: svn-src-stable-11@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 86811BE4FE5; Thu, 22 Sep 2016 08:56:55 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4A942AE7; Thu, 22 Sep 2016 08:56:55 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u8M8usb3011440; Thu, 22 Sep 2016 08:56:54 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u8M8usi1011435; Thu, 22 Sep 2016 08:56:54 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201609220856.u8M8usi1011435@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Thu, 22 Sep 2016 08:56:54 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r306165 - stable/11/sys/ufs/ffs X-SVN-Group: stable-11 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-11@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for only the 11-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Sep 2016 08:56:55 -0000 Author: kib Date: Thu Sep 22 08:56:54 2016 New Revision: 306165 URL: https://svnweb.freebsd.org/changeset/base/306165 Log: MFC r305592: Partially lift suspension when ffs_reload() finished with cgs and going to re-read inodes. Modified: stable/11/sys/ufs/ffs/ffs_extern.h stable/11/sys/ufs/ffs/ffs_suspend.c stable/11/sys/ufs/ffs/ffs_vfsops.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/ufs/ffs/ffs_extern.h ============================================================================== --- stable/11/sys/ufs/ffs/ffs_extern.h Thu Sep 22 08:51:42 2016 (r306164) +++ stable/11/sys/ufs/ffs/ffs_extern.h Thu Sep 22 08:56:54 2016 (r306165) @@ -106,6 +106,9 @@ void ffs_susp_uninitialize(void); #define FFSV_FORCEINSMQ 0x0001 +#define FFSR_FORCE 0x0001 +#define FFSR_UNSUSPEND 0x0002 + extern struct vop_vector ffs_vnodeops1; extern struct vop_vector ffs_fifoops1; extern struct vop_vector ffs_vnodeops2; Modified: stable/11/sys/ufs/ffs/ffs_suspend.c ============================================================================== --- stable/11/sys/ufs/ffs/ffs_suspend.c Thu Sep 22 08:51:42 2016 (r306164) +++ stable/11/sys/ufs/ffs/ffs_suspend.c Thu Sep 22 08:56:54 2016 (r306165) @@ -235,7 +235,7 @@ ffs_susp_dtor(void *data) KASSERT((mp->mnt_kern_flag & MNTK_SUSPEND) != 0, ("MNTK_SUSPEND not set")); - error = ffs_reload(mp, curthread, 1); + error = ffs_reload(mp, curthread, FFSR_FORCE | FFSR_UNSUSPEND); if (error != 0) panic("failed to unsuspend writes on %s", fs->fs_fsmnt); Modified: stable/11/sys/ufs/ffs/ffs_vfsops.c ============================================================================== --- stable/11/sys/ufs/ffs/ffs_vfsops.c Thu Sep 22 08:51:42 2016 (r306164) +++ stable/11/sys/ufs/ffs/ffs_vfsops.c Thu Sep 22 08:56:54 2016 (r306165) @@ -573,11 +573,13 @@ ffs_cmount(struct mntarg *ma, void *data * 2) re-read superblock from disk. * 3) re-read summary information from disk. * 4) invalidate all inactive vnodes. - * 5) invalidate all cached file data. - * 6) re-read inode data for all active vnodes. + * 5) clear MNTK_SUSPEND2 and MNTK_SUSPENDED flags, allowing secondary + * writers, if requested. + * 6) invalidate all cached file data. + * 7) re-read inode data for all active vnodes. */ int -ffs_reload(struct mount *mp, struct thread *td, int force) +ffs_reload(struct mount *mp, struct thread *td, int flags) { struct vnode *vp, *mvp, *devvp; struct inode *ip; @@ -592,7 +594,7 @@ ffs_reload(struct mount *mp, struct thre ump = VFSTOUFS(mp); MNT_ILOCK(mp); - if ((mp->mnt_flag & MNT_RDONLY) == 0 && force == 0) { + if ((mp->mnt_flag & MNT_RDONLY) == 0 && (flags & FFSR_FORCE) == 0) { MNT_IUNLOCK(mp); return (EINVAL); } @@ -682,6 +684,12 @@ ffs_reload(struct mount *mp, struct thre size = fs->fs_ncg * sizeof(u_int8_t); fs->fs_contigdirs = (u_int8_t *)space; bzero(fs->fs_contigdirs, size); + if ((flags & FFSR_UNSUSPEND) != 0) { + MNT_ILOCK(mp); + mp->mnt_kern_flag &= ~(MNTK_SUSPENDED | MNTK_SUSPEND2); + wakeup(&mp->mnt_flag); + MNT_IUNLOCK(mp); + } loop: MNT_VNODE_FOREACH_ALL(vp, mp, mvp) {