Date: Tue, 29 Jan 2008 22:13:31 GMT From: John Birrell <jb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 134416 for review Message-ID: <200801292213.m0TMDVwv031674@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=134416 Change 134416 by jb@jb_freebsd1 on 2008/01/29 22:13:29 Undo the over lerge of the locking changes from current. Affected files ... .. //depot/projects/dtrace7/src/sys/compat/opensolaris/kern/opensolaris_kobj.c#3 edit .. //depot/projects/dtrace7/src/sys/compat/opensolaris/kern/opensolaris_vfs.c#4 edit .. //depot/projects/dtrace7/src/sys/compat/opensolaris/sys/vnode.h#3 edit .. //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/gfs.c#4 edit .. //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c#4 edit .. //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c#4 edit .. //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_replay.c#4 edit .. //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c#4 edit .. //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c#4 edit .. //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c#4 edit Differences ... ==== //depot/projects/dtrace7/src/sys/compat/opensolaris/kern/opensolaris_kobj.c#3 (text+ko) ==== @@ -77,12 +77,12 @@ flags = FREAD; NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_SYSSPACE, file, td); - error = vn_open_cred(&nd, &flags, 0, curthread->td_ucred, NULL); + error = vn_open_cred(&nd, &flags, 0, td->td_ucred, NULL); NDFREE(&nd, NDF_ONLY_PNBUF); if (error != 0) return (NULL); /* We just unlock so we hold a reference. */ - VOP_UNLOCK(nd.ni_vp, 0); + VOP_UNLOCK(nd.ni_vp, 0, td); return (nd.ni_vp); } @@ -123,9 +123,9 @@ struct vattr va; int error; - vn_lock(vp, LK_SHARED | LK_RETRY); + vn_lock(vp, LK_SHARED | LK_RETRY, td); error = VOP_GETATTR(vp, &va, td->td_ucred, td); - VOP_UNLOCK(vp, 0); + VOP_UNLOCK(vp, 0, td); if (error == 0) *size = (uint64_t)va.va_size; return (error); @@ -176,9 +176,9 @@ auio.uio_resid = size; auio.uio_td = td; - vn_lock(vp, LK_SHARED | LK_RETRY); + vn_lock(vp, LK_SHARED | LK_RETRY, td); error = VOP_READ(vp, &auio, IO_UNIT | IO_SYNC, td->td_ucred); - VOP_UNLOCK(vp, 0); + VOP_UNLOCK(vp, 0, td); return (error != 0 ? -1 : size - auio.uio_resid); } ==== //depot/projects/dtrace7/src/sys/compat/opensolaris/kern/opensolaris_vfs.c#4 (text+ko) ==== @@ -192,9 +192,9 @@ /* * Allocate and initialize the filesystem. */ - vn_lock(vp, LK_SHARED | LK_RETRY); + vn_lock(vp, LK_SHARED | LK_RETRY, td); mp = vfs_mount_alloc(vp, vfsp, fspath, td); - VOP_UNLOCK(vp, 0); + VOP_UNLOCK(vp, 0, td); mp->mnt_optnew = NULL; vfs_setmntopt(mp, "from", fspec, 0); @@ -238,7 +238,7 @@ * mnt_optnew. */ mp->mnt_optnew = NULL; - vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td); /* * Put the new filesystem on the mount list after root. */ @@ -260,7 +260,7 @@ panic("mount: lost mount"); mountcheckdirs(vp, mvp); vput(mvp); - VOP_UNLOCK(vp, 0); + VOP_UNLOCK(vp, 0, td); if ((mp->mnt_flag & MNT_RDONLY) == 0) error = vfs_allocate_syncvnode(mp); vfs_unbusy(mp, td); @@ -272,7 +272,7 @@ VI_LOCK(vp); vp->v_iflag &= ~VI_MOUNT; VI_UNLOCK(vp); - VOP_UNLOCK(vp, 0); + VOP_UNLOCK(vp, 0, td); vfs_unbusy(mp, td); vfs_mount_destroy(mp); } ==== //depot/projects/dtrace7/src/sys/compat/opensolaris/sys/vnode.h#3 (text+ko) ==== @@ -175,7 +175,7 @@ if (error == 0) { /* We just unlock so we hold a reference. */ VN_HOLD(nd.ni_vp); - VOP_UNLOCK(nd.ni_vp, 0); + VOP_UNLOCK(nd.ni_vp, 0, td); *vpp = nd.ni_vp; } return (error); @@ -213,6 +213,7 @@ static __inline int zfs_vop_fsync(vnode_t *vp, int flag, cred_t *cr) { + struct thread *td = curthread; struct mount *mp; int error, vfslocked; @@ -221,9 +222,9 @@ vfslocked = VFS_LOCK_GIANT(vp->v_mount); if ((error = vn_start_write(vp, &mp, V_WAIT | PCATCH)) != 0) goto drop; - vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); - error = VOP_FSYNC(vp, MNT_WAIT, curthread); - VOP_UNLOCK(vp, 0); + vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td); + error = VOP_FSYNC(vp, MNT_WAIT, td); + VOP_UNLOCK(vp, 0, td); vn_finished_write(mp); drop: VFS_UNLOCK_GIANT(vfslocked); ==== //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/gfs.c#4 (text+ko) ==== @@ -321,7 +321,7 @@ VN_HOLD(pvp); *vpp = pvp; } - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, curthread); return (0); } ==== //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c#4 (text+ko) ==== @@ -207,7 +207,7 @@ ctx->gc_state = 2; wakeup_one(&ctx->gc_state); mtx_unlock(&ctx->gc_queue_mtx); - kproc_exit(0); + kthread_exit(0); } msleep(&ctx->gc_queue, &ctx->gc_queue_mtx, PRIBIO | PDROP, "vgeom:io", 0); @@ -440,7 +440,7 @@ vd->vdev_tsd = ctx; - kproc_create(vdev_geom_worker, ctx, NULL, 0, 0, "vdev:worker %s", + kthread_create(vdev_geom_worker, ctx, NULL, 0, 0, "vdev:worker %s", pp->name); return (0); ==== //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c#4 (text+ko) ==== @@ -391,7 +391,7 @@ if (strcmp(nm, "..") == 0) { err = VFS_ROOT(dvp->v_vfsp, LK_EXCLUSIVE, vpp, curthread); if (err == 0) - VOP_UNLOCK(*vpp, 0); + VOP_UNLOCK(*vpp, 0, curthread); } else { err = gfs_dir_lookup(dvp, nm, vpp); } @@ -429,7 +429,7 @@ err = zfsctl_root_lookup(dvp, nm, vpp, NULL, 0, NULL, cr); if (err == 0 && (nm[0] != '.' || nm[1] != '\0')) - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, curthread); return (err); } @@ -692,7 +692,7 @@ */ goto domount; } - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, curthread); mutex_exit(&sdp->sd_lock); ZFS_EXIT(zfsvfs); return (0); @@ -732,7 +732,7 @@ kmem_free(mountpoint, mountpoint_len); /* FreeBSD: This line was moved from below to avoid a lock recursion. */ if (err == 0) - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, curthread); mutex_exit(&sdp->sd_lock); /* @@ -882,7 +882,7 @@ VERIFY(gfs_dir_lookup(vp, "..", &dvp) == 0); sdp = dvp->v_data; - VOP_UNLOCK(dvp, 0); + VOP_UNLOCK(dvp, 0, curthread); if (!(locked = MUTEX_HELD(&sdp->sd_lock))) mutex_enter(&sdp->sd_lock); ==== //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_replay.c#4 (text+ko) ==== @@ -109,7 +109,7 @@ cn.cn_thread = curthread; cn.cn_flags = SAVENAME; - vn_lock(ZTOV(dzp), LK_EXCLUSIVE | LK_RETRY); + vn_lock(ZTOV(dzp), LK_EXCLUSIVE | LK_RETRY, curthread); switch ((int)lr->lr_common.lrc_txtype) { case TX_CREATE: error = VOP_CREATE(ZTOV(dzp), &vp, &cn, &va); @@ -127,10 +127,10 @@ default: error = ENOTSUP; } - VOP_UNLOCK(ZTOV(dzp), 0); + VOP_UNLOCK(ZTOV(dzp), 0, curthread); if (error == 0 && vp != NULL) { - VOP_UNLOCK(vp, 0); + VOP_UNLOCK(vp, 0, curthread); VN_RELE(vp); } @@ -162,10 +162,10 @@ cn.cn_lkflags = LK_EXCLUSIVE | LK_RETRY; cn.cn_cred = kcred; cn.cn_thread = curthread; - vn_lock(ZTOV(dzp), LK_EXCLUSIVE | LK_RETRY); + vn_lock(ZTOV(dzp), LK_EXCLUSIVE | LK_RETRY, curthread); error = VOP_LOOKUP(ZTOV(dzp), &vp, &cn); if (error != 0) { - VOP_UNLOCK(ZTOV(dzp), 0); + VOP_UNLOCK(ZTOV(dzp), 0, curthread); goto fail; } @@ -180,7 +180,7 @@ error = ENOTSUP; } vput(vp); - VOP_UNLOCK(ZTOV(dzp), 0); + VOP_UNLOCK(ZTOV(dzp), 0, curthread); fail: VN_RELE(ZTOV(dzp)); @@ -211,11 +211,11 @@ cn.cn_thread = curthread; cn.cn_flags = SAVENAME; - vn_lock(ZTOV(dzp), LK_EXCLUSIVE | LK_RETRY); - vn_lock(ZTOV(zp), LK_EXCLUSIVE | LK_RETRY); + vn_lock(ZTOV(dzp), LK_EXCLUSIVE | LK_RETRY, curthread); + vn_lock(ZTOV(zp), LK_EXCLUSIVE | LK_RETRY, curthread); error = VOP_LINK(ZTOV(dzp), ZTOV(zp), &cn); - VOP_UNLOCK(ZTOV(zp), 0); - VOP_UNLOCK(ZTOV(dzp), 0); + VOP_UNLOCK(ZTOV(zp), 0, curthread); + VOP_UNLOCK(ZTOV(dzp), 0, curthread); VN_RELE(ZTOV(zp)); VN_RELE(ZTOV(dzp)); @@ -255,12 +255,12 @@ scn.cn_lkflags = LK_EXCLUSIVE | LK_RETRY; scn.cn_cred = kcred; scn.cn_thread = td; - vn_lock(ZTOV(sdzp), LK_EXCLUSIVE | LK_RETRY); + vn_lock(ZTOV(sdzp), LK_EXCLUSIVE | LK_RETRY, curthread); error = VOP_LOOKUP(ZTOV(sdzp), &svp, &scn); - VOP_UNLOCK(ZTOV(sdzp), 0); + VOP_UNLOCK(ZTOV(sdzp), 0, curthread); if (error != 0) goto fail; - VOP_UNLOCK(svp, 0); + VOP_UNLOCK(svp, 0, curthread); bzero(&tcn, sizeof(tcn)); tcn.cn_nameptr = tname; @@ -270,12 +270,12 @@ tcn.cn_lkflags = LK_EXCLUSIVE | LK_RETRY; tcn.cn_cred = kcred; tcn.cn_thread = td; - vn_lock(ZTOV(tdzp), LK_EXCLUSIVE | LK_RETRY); + vn_lock(ZTOV(tdzp), LK_EXCLUSIVE | LK_RETRY, curthread); error = VOP_LOOKUP(ZTOV(tdzp), &tvp, &tcn); if (error == EJUSTRETURN) tvp = NULL; else if (error != 0) { - VOP_UNLOCK(ZTOV(tdzp), 0); + VOP_UNLOCK(ZTOV(tdzp), 0, curthread); goto fail; } @@ -360,9 +360,9 @@ ZFS_TIME_DECODE(&va.va_mtime, lr->lr_mtime); vp = ZTOV(zp); - vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, curthread); error = VOP_SETATTR(vp, &va, kcred, curthread); - VOP_UNLOCK(vp, 0); + VOP_UNLOCK(vp, 0, curthread); VN_RELE(vp); return (error); ==== //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c#4 (text+ko) ==== @@ -663,7 +663,7 @@ error = zfs_zget(zfsvfs, zfsvfs->z_root, &rootzp); if (error == 0) { *vpp = ZTOV(rootzp); - error = vn_lock(*vpp, flags); + error = vn_lock(*vpp, flags, td); (*vpp)->v_vflag |= VV_ROOT; } @@ -763,7 +763,7 @@ *vpp = NULL; else { *vpp = ZTOV(zp); - vn_lock(*vpp, flags); + vn_lock(*vpp, flags, curthread); } ZFS_EXIT(zfsvfs); return (err); @@ -830,7 +830,7 @@ } ZFS_EXIT(zfsvfs); /* XXX: LK_RETRY? */ - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, td); return (0); } @@ -853,7 +853,7 @@ *vpp = ZTOV(zp); /* XXX: LK_RETRY? */ - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, td); vnode_create_vobject(*vpp, zp->z_phys->zp_size, td); ZFS_EXIT(zfsvfs); return (0); ==== //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c#4 (text+ko) ==== @@ -1114,11 +1114,11 @@ if (cnp->cn_flags & ISDOTDOT) { ltype = VOP_ISLOCKED(dvp, td); - VOP_UNLOCK(dvp, 0); + VOP_UNLOCK(dvp, 0, td); } - error = vn_lock(*vpp, cnp->cn_lkflags); + error = vn_lock(*vpp, cnp->cn_lkflags, td); if (cnp->cn_flags & ISDOTDOT) - vn_lock(dvp, ltype | LK_RETRY); + vn_lock(dvp, ltype | LK_RETRY, td); if (error != 0) { VN_RELE(*vpp); *vpp = NULL; @@ -1302,7 +1302,7 @@ if (error == 0) { *vpp = ZTOV(zp); - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, td); } if (dl) @@ -1584,7 +1584,7 @@ zfs_log_create(zilog, tx, TX_MKDIR, dzp, zp, dirname); dmu_tx_commit(tx); - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, curthread); zfs_dirent_unlock(dl); @@ -2769,7 +2769,7 @@ if (error == 0) { zfs_log_symlink(zilog, tx, TX_SYMLINK, dzp, zp, name, link); *vpp = ZTOV(zp); - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, td); } dmu_tx_commit(tx); ==== //depot/projects/dtrace7/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c#4 (text+ko) ==== @@ -85,9 +85,9 @@ ZTOV(zp) = NULL; vhold(vp); mutex_exit(&zp->z_lock); - vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); + vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, curthread); vrecycle(vp, curthread); - VOP_UNLOCK(vp, 0); + VOP_UNLOCK(vp, 0, curthread); vdrop(vp); zfs_znode_free(zp); } else {
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