diff options
author | pjd <pjd@FreeBSD.org> | 2007-04-23 00:52:07 +0000 |
---|---|---|
committer | pjd <pjd@FreeBSD.org> | 2007-04-23 00:52:07 +0000 |
commit | 2063f013741d3fee2d48a255b6bbec6f1d15d003 (patch) | |
tree | 54c85efd93c3e6d93de3afcd7ec31f6e802cec59 /sys/cddl/contrib/opensolaris/uts/common/fs/zfs | |
parent | e06dca92fe6d546958ccf3012b122a74b8fffc9c (diff) | |
download | FreeBSD-src-2063f013741d3fee2d48a255b6bbec6f1d15d003.zip FreeBSD-src-2063f013741d3fee2d48a255b6bbec6f1d15d003.tar.gz |
MFp4: Reduce diff against vendor code:
- Move FreeBSD-specific code to zfs_freebsd_*() functions in zfs_vnops.c
and keep original functions as similar to vendor's code as possible.
- Add various includes back, now that we have them.
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/common/fs/zfs')
7 files changed, 784 insertions, 469 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c index c6a95a1..6a7c525 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c @@ -57,6 +57,7 @@ #include <sys/dsl_synctask.h> #include <sys/fs/zfs.h> #include <sys/callb.h> +#include <sys/sunddi.h> int zio_taskq_threads = 0; SYSCTL_DECL(_vfs_zfs); diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_config.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_config.c index 3bb8863..9e8bcf3 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_config.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_config.c @@ -35,6 +35,7 @@ #include <sys/vdev_impl.h> #include <sys/zfs_ioctl.h> #include <sys/utsname.h> +#include <sys/sunddi.h> #ifdef _KERNEL #include <sys/kobj.h> #endif diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c index b50d6ce..a9886b9 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c @@ -25,6 +25,7 @@ #pragma ident "%Z%%M% %I% %E% SMI" +#include <sys/types.h> #include <sys/param.h> #include <sys/systm.h> #include <sys/conf.h> @@ -35,6 +36,7 @@ #include <sys/proc.h> #include <sys/errno.h> #include <sys/uio.h> +#include <sys/buf.h> #include <sys/file.h> #include <sys/kmem.h> #include <sys/conf.h> @@ -50,6 +52,9 @@ #include <sys/dsl_dir.h> #include <sys/dsl_dataset.h> #include <sys/dsl_prop.h> +#include <sys/sunddi.h> +#include <sys/policy.h> +#include <sys/zone.h> #include <sys/nvpair.h> #include <sys/mount.h> #include <sys/taskqueue.h> diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c index 06cb95a..dde9ec1 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c @@ -37,6 +37,7 @@ #include <sys/zfs_dir.h> #include <sys/zil.h> #include <sys/byteorder.h> +#include <sys/policy.h> #include <sys/stat.h> #include <sys/acl.h> #include <sys/dmu.h> @@ -234,7 +235,7 @@ zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, */ if (len > zfs_immediate_write_sz) write_state = WR_INDIRECT; - else if (ioflag & IO_SYNC) + else if (ioflag & FDSYNC) write_state = WR_COPIED; else write_state = WR_NEED_COPY; diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c index c76d889..a82777a 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c @@ -47,9 +47,11 @@ #include <sys/spa.h> #include <sys/zap.h> #include <sys/varargs.h> +#include <sys/policy.h> #include <sys/atomic.h> #include <sys/zfs_ioctl.h> #include <sys/zfs_ctldir.h> +#include <sys/sunddi.h> #include <sys/dnlc.h> struct mtx atomic_mtx; diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c index 16afa9c..d20fac1 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c @@ -55,6 +55,8 @@ #include <sys/dbuf.h> #include <sys/zap.h> #include <sys/dirent.h> +#include <sys/policy.h> +#include <sys/sunddi.h> #include <sys/filio.h> #include <sys/zfs_ctldir.h> #include <sys/dnlc.h> @@ -152,43 +154,32 @@ */ /* ARGSUSED */ static int -zfs_open(ap) - struct vop_open_args /* { - struct vnode *a_vp; - int a_mode; - struct ucred *a_cred; - struct thread *a_td; - } */ *ap; +zfs_open(vnode_t **vpp, int flag, cred_t *cr) { - vnode_t *vp = ap->a_vp; - znode_t *zp = VTOZ(vp); - int flag = ap->a_mode; + znode_t *zp = VTOZ(*vpp); /* Keep a count of the synchronous opens in the znode */ - if (flag & FFSYNC) + if (flag & (FSYNC | FDSYNC)) atomic_inc_32(&zp->z_sync_cnt); - - vnode_create_vobject(vp, zp->z_phys->zp_size, ap->a_td); return (0); } /* ARGSUSED */ static int -zfs_close(ap) - struct vop_close_args /* { - struct vnode *a_vp; - int a_fflag; - struct ucred *a_cred; - struct thread *a_td; - } */ *ap; +zfs_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr) { - znode_t *zp = VTOZ(ap->a_vp); - int flag = ap->a_fflag; + znode_t *zp = VTOZ(vp); /* Decrement the synchronous opens in the znode */ - if (flag & FFSYNC) + if (flag & (FSYNC | FDSYNC)) atomic_dec_32(&zp->z_sync_cnt); + /* + * Clean up any locks held by this process on the vp. + */ + cleanlocks(vp, ddi_get_pid(), 0); + cleanshares(vp, ddi_get_pid()); + return (0); } @@ -197,7 +188,7 @@ zfs_close(ap) * data (cmd == _FIO_SEEK_DATA). "off" is an in/out parameter. */ static int -zfs_holey(vnode_t *vp, unsigned long cmd, offset_t *off) +zfs_holey(vnode_t *vp, int cmd, offset_t *off) { znode_t *zp = VTOZ(vp); uint64_t noff = (uint64_t)*off; /* new offset */ @@ -210,7 +201,7 @@ zfs_holey(vnode_t *vp, unsigned long cmd, offset_t *off) return (ENXIO); } - if (cmd == FIOSEEKHOLE) + if (cmd == _FIO_SEEK_HOLE) hole = B_TRUE; else hole = B_FALSE; @@ -237,27 +228,29 @@ zfs_holey(vnode_t *vp, unsigned long cmd, offset_t *off) /* ARGSUSED */ static int -zfs_ioctl(ap) - struct vop_ioctl_args /* { - struct vnode *a_vp; - u_long a_command; - caddr_t a_data; - int fflag; - struct ucred *cred; - struct thread *td; - } */ *ap; +zfs_ioctl(vnode_t *vp, int com, intptr_t data, int flag, cred_t *cred, + int *rvalp) { - vnode_t *vp = ap->a_vp; - int com = ap->a_command; - caddr_t data = ap->a_data; - offset_t off; - zfsvfs_t *zfsvfs; - int error; + offset_t off; + int error; + zfsvfs_t *zfsvfs; switch (com) { - case FIOSEEKDATA: - case FIOSEEKHOLE: - off = *(offset_t *)data; + case _FIOFFS: + return (0); + + /* + * The following two ioctls are used by bfu. Faking out, + * necessary to avoid bfu errors. + */ + case _FIOGDIO: + case _FIOSDIO: + return (0); + + case _FIO_SEEK_DATA: + case _FIO_SEEK_HOLE: + if (ddi_copyin((void *)data, &off, sizeof (off), flag)) + return (EFAULT); zfsvfs = VTOZ(vp)->z_zfsvfs; ZFS_ENTER(zfsvfs); @@ -267,7 +260,8 @@ zfs_ioctl(ap) ZFS_EXIT(zfsvfs); if (error) return (error); - *(offset_t *)data = off; + if (ddi_copyout(&off, (void *)data, sizeof (off), flag)) + return (EFAULT); return (0); } return (ENOTTY); @@ -388,6 +382,13 @@ again: VM_OBJECT_LOCK(obj); vm_page_wakeup(m); } else if (m != NULL && uio->uio_segflg == UIO_NOCOPY) { + /* + * The code below is here to make sendfile(2) work + * correctly with ZFS. As pointed out by ups@ + * sendfile(2) should be changed to use VOP_GETPAGES(), + * but it pessimize performance of sendfile/UFS, that's + * why I handle this special case in ZFS code. + */ if (vm_page_sleep_if_busy(m, FALSE, "zfsmrb")) goto again; vm_page_busy(m); @@ -437,17 +438,8 @@ offset_t zfs_read_chunk_size = 1024 * 1024; /* Tunable */ */ /* ARGSUSED */ static int -zfs_read(ap) - struct vop_read_args /* { - struct vnode *a_vp; - struct uio *a_uio; - int a_ioflag; - struct ucred *a_cred; - } */ *ap; +zfs_read(vnode_t *vp, uio_t *uio, int ioflag, cred_t *cr, caller_context_t *ct) { - vnode_t *vp = ap->a_vp; - uio_t *uio = ap->a_uio; - int ioflag = ap->a_ioflag; znode_t *zp = VTOZ(vp); zfsvfs_t *zfsvfs = zp->z_zfsvfs; objset_t *os = zfsvfs->z_os; @@ -474,9 +466,20 @@ zfs_read(ap) } /* + * Check for mandatory locks + */ + if (MANDMODE((mode_t)zp->z_phys->zp_mode)) { + if (error = chklock(vp, FREAD, + uio->uio_loffset, uio->uio_resid, uio->uio_fmode, ct)) { + ZFS_EXIT(zfsvfs); + return (error); + } + } + + /* * If we're in FRSYNC mode, sync out this znode before reading it. */ - if (ioflag & IO_SYNC) + if (ioflag & FRSYNC) zil_commit(zfsvfs->z_log, zp->z_last_itx, zp->z_id); /* @@ -506,6 +509,7 @@ zfs_read(ap) error = dmu_read_uio(os, zp->z_id, uio, nbytes); if (error) break; + n -= nbytes; } @@ -514,7 +518,6 @@ out: ZFS_ACCESSTIME_STAMP(zfsvfs, zp); ZFS_EXIT(zfsvfs); - return (error); } @@ -584,19 +587,10 @@ zfs_prefault_write(ssize_t n, struct uio *uio) */ /* ARGSUSED */ static int -zfs_write(ap) - struct vop_write_args /* { - struct vnode *a_vp; - struct uio *a_uio; - int a_ioflag; - struct ucred *a_cred; - } */ *ap; +zfs_write(vnode_t *vp, uio_t *uio, int ioflag, cred_t *cr, caller_context_t *ct) { - vnode_t *vp = ap->a_vp; - uio_t *uio = ap->a_uio; - int ioflag = ap->a_ioflag; - cred_t *cr = ap->a_cred; znode_t *zp = VTOZ(vp); + rlim64_t limit = MAXOFFSET_T; ssize_t start_resid = uio->uio_resid; ssize_t tx_bytes; uint64_t end_size; @@ -616,6 +610,9 @@ zfs_write(ap) if (n == 0) return (0); + if (limit == RLIM64_INFINITY || limit > MAXOFFSET_T) + limit = MAXOFFSET_T; + ZFS_ENTER(zfsvfs); /* @@ -661,6 +658,24 @@ zfs_write(ap) rl = zfs_range_lock(zp, woff, n, RL_WRITER); } + if (woff >= limit) { + zfs_range_unlock(rl); + ZFS_EXIT(zfsvfs); + return (EFBIG); + } + + if ((woff + n) > limit || woff > (limit - n)) + n = limit - woff; + + /* + * Check for mandatory locks + */ + if (MANDMODE((mode_t)zp->z_phys->zp_mode) && + (error = chklock(vp, FWRITE, woff, n, uio->uio_fmode, ct)) != 0) { + zfs_range_unlock(rl); + ZFS_EXIT(zfsvfs); + return (error); + } end_size = MAX(zp->z_phys->zp_size, woff + n); /* @@ -714,10 +729,10 @@ zfs_write(ap) nbytes = MIN(n, max_blksz - P2PHASE(woff, max_blksz)); rw_enter(&zp->z_map_lock, RW_READER); - tx_bytes = uio->uio_resid; if (woff + nbytes > zp->z_phys->zp_size) vnode_pager_setsize(vp, woff + nbytes); + tx_bytes = uio->uio_resid; if (vn_has_cached_data(vp)) { rw_exit(&zp->z_map_lock); error = mappedwrite(vp, nbytes, uio, tx); @@ -790,7 +805,7 @@ zfs_write(ap) return (error); } - if (ioflag & IO_SYNC) + if (ioflag & (FSYNC | FDSYNC)) zil_commit(zilog, zp->z_last_itx, zp->z_id); ZFS_EXIT(zfsvfs); @@ -918,21 +933,14 @@ out: /*ARGSUSED*/ static int -zfs_access(ap) - struct vop_access_args /* { - struct vnode *a_vp; - int a_mode; - struct ucred *a_cred; - struct thread *a_td; - } */ *ap; +zfs_access(vnode_t *vp, int mode, int flags, cred_t *cr) { - vnode_t *vp = ap->a_vp; znode_t *zp = VTOZ(vp); zfsvfs_t *zfsvfs = zp->z_zfsvfs; int error; ZFS_ENTER(zfsvfs); - error = zfs_zaccess_rwx(zp, ap->a_mode, ap->a_cred); + error = zfs_zaccess_rwx(zp, mode, cr); ZFS_EXIT(zfsvfs); return (error); } @@ -957,28 +965,14 @@ zfs_access(ap) * NA */ /* ARGSUSED */ -int -zfs_lookup(ap) - struct vop_lookup_args /* { - struct vnode *a_dvp; - struct vnode **a_vpp; - struct componentname *a_cnp; - } */ *ap; +static int +zfs_lookup(vnode_t *dvp, char *nm, vnode_t **vpp, struct componentname *cnp, + int nameiop, cred_t *cr, kthread_t *td) { - kthread_t *td = ap->a_cnp->cn_thread; - struct componentname *cnp = ap->a_cnp; - vnode_t *dvp = ap->a_dvp; - vnode_t **vpp = ap->a_vpp; - u_long flags = cnp->cn_flags; - cred_t *cr = cnp->cn_cred; - int nameiop = cnp->cn_nameiop; - char nm[NAME_MAX + 1]; - znode_t *zdp = VTOZ(dvp); - zfsvfs_t *zfsvfs = zdp->z_zfsvfs; - int error; - ASSERT(cnp->cn_namelen < sizeof(nm)); - strlcpy(nm, cnp->cn_nameptr, MIN(cnp->cn_namelen + 1, sizeof(nm))); + znode_t *zdp = VTOZ(dvp); + zfsvfs_t *zfsvfs = zdp->z_zfsvfs; + int error; ZFS_ENTER(zfsvfs); @@ -1035,7 +1029,22 @@ zfs_lookup(ap) return (error); } - error = zfs_dirlook(zdp, nm, vpp); + if ((error = zfs_dirlook(zdp, nm, vpp)) == 0) { + + /* + * Convert device special files + */ + if (IS_DEVVP(*vpp)) { + vnode_t *svp; + + svp = specvp(*vpp, (*vpp)->v_rdev, (*vpp)->v_type, cr); + VN_RELE(*vpp); + if (svp == NULL) + error = ENOSYS; + else + *vpp = svp; + } + } ZFS_EXIT(zfsvfs); @@ -1057,10 +1066,10 @@ zfs_lookup(ap) } } if (error == 0 && (nm[0] != '.' || nm[1] != '\0')) { - if (flags & ISDOTDOT) + if (cnp->cn_flags & ISDOTDOT) VOP_UNLOCK(dvp, 0, td); vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, td); - if (flags & ISDOTDOT) + if (cnp->cn_flags & ISDOTDOT) vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, td); } @@ -1108,19 +1117,9 @@ zfs_lookup(ap) */ /* ARGSUSED */ static int -zfs_create(ap) - struct vop_create_args /* { - struct vnode *a_dvp; - struct vnode **a_vpp; - struct componentname *a_cnp; - struct vattr *a_vap; - } */ *ap; +zfs_create(vnode_t *dvp, char *name, vattr_t *vap, int excl, int mode, + vnode_t **vpp, cred_t *cr, kthread_t *td) { - vnode_t *dvp = ap->a_dvp; - vnode_t **vpp = ap->a_vpp; - vattr_t *vap = ap->a_vap; - cred_t *cr = ap->a_cnp->cn_cred; - char *name = ap->a_cnp->cn_nameptr; znode_t *zp, *dzp = VTOZ(dvp); zfsvfs_t *zfsvfs = dzp->z_zfsvfs; zilog_t *zilog = zfsvfs->z_log; @@ -1129,12 +1128,6 @@ zfs_create(ap) dmu_tx_t *tx; int error; uint64_t zoid; - int mode; - - ASSERT(ap->a_cnp->cn_flags & SAVENAME); - - vattr_init_mask(vap); - mode = vap->va_mode & ALLPERMS; ZFS_ENTER(zfsvfs); @@ -1212,7 +1205,13 @@ top: /* * A directory entry already exists for this name. */ - + /* + * Can't truncate an existing file if in exclusive mode. + */ + if (excl == EXCL) { + error = EEXIST; + goto out; + } /* * Can't open a directory for writing. */ @@ -1251,7 +1250,7 @@ out: if (error == 0) { *vpp = ZTOV(zp); - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, ap->a_cnp->cn_thread); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, td); } if (dl) @@ -1260,6 +1259,21 @@ out: if (error) { if (zp) VN_RELE(ZTOV(zp)); + } else { + *vpp = ZTOV(zp); + /* + * If vnode is for a device return a specfs vnode instead. + */ + if (IS_DEVVP(*vpp)) { + struct vnode *svp; + + svp = specvp(*vpp, (*vpp)->v_rdev, (*vpp)->v_type, cr); + VN_RELE(*vpp); + if (svp == NULL) { + error = ENOSYS; + } + *vpp = svp; + } } ZFS_EXIT(zfsvfs); @@ -1281,31 +1295,20 @@ out: * vp - ctime (if nlink > 0) */ static int -zfs_remove(ap) - struct vop_remove_args /* { - struct vnode *a_dvp; - struct vnode *a_vp; - struct componentname *a_cnp; - } */ *ap; +zfs_remove(vnode_t *dvp, char *name, cred_t *cr) { - vnode_t *dvp = ap->a_dvp; - cred_t *cr = ap->a_cnp->cn_cred; - char *name = ap->a_cnp->cn_nameptr; znode_t *zp, *dzp = VTOZ(dvp); -#if 0 znode_t *xzp = NULL; -#endif vnode_t *vp; zfsvfs_t *zfsvfs = dzp->z_zfsvfs; zilog_t *zilog = zfsvfs->z_log; - uint64_t xattr_obj; + uint64_t acl_obj, xattr_obj; zfs_dirlock_t *dl; dmu_tx_t *tx; + boolean_t may_delete_now, delete_now = FALSE; boolean_t unlinked; int error; - ASSERT(ap->a_cnp->cn_flags & SAVENAME); - ZFS_ENTER(zfsvfs); top: @@ -1318,17 +1321,25 @@ top: } vp = ZTOV(zp); - ASSERT(vp == ap->a_vp); - ASSERT(vp->v_type != VDIR); - /* Drop an extra reference from zfs_dirent_lock(). */ - VN_RELE(vp); - ASSERT(vp->v_count > 0); - if (error = zfs_zaccess_delete(dzp, zp, cr)) + if (error = zfs_zaccess_delete(dzp, zp, cr)) { goto out; + } + + /* + * Need to use rmdir for removing directories. + */ + if (vp->v_type == VDIR) { + error = EPERM; + goto out; + } + + vnevent_remove(vp); dnlc_remove(dvp, name); + may_delete_now = FALSE; + /* * We may delete the znode now, or we may put it in the unlinked set; * it depends on whether we're the last link, and on whether there are @@ -1338,6 +1349,8 @@ top: tx = dmu_tx_create(zfsvfs->z_os); dmu_tx_hold_zap(tx, dzp->z_id, FALSE, name); dmu_tx_hold_bonus(tx, zp->z_id); + if (may_delete_now) + dmu_tx_hold_free(tx, zp->z_id, 0, DMU_OBJECT_END); /* are there any extended attributes? */ if ((xattr_obj = zp->z_phys->zp_xattr) != 0) { @@ -1345,12 +1358,18 @@ top: dmu_tx_hold_bonus(tx, xattr_obj); } + /* are there any additional acls */ + if ((acl_obj = zp->z_phys->zp_acl.z_acl_extern_obj) != 0 && + may_delete_now) + dmu_tx_hold_free(tx, acl_obj, 0, DMU_OBJECT_END); + /* charge as an update -- would be nice not to charge at all */ dmu_tx_hold_zap(tx, zfsvfs->z_unlinkedobj, FALSE, NULL); error = dmu_tx_assign(tx, zfsvfs->z_assign); if (error) { zfs_dirent_unlock(dl); + VN_RELE(vp); if (error == ERESTART && zfsvfs->z_assign == TXG_NOWAIT) { dmu_tx_wait(tx); dmu_tx_abort(tx); @@ -1371,8 +1390,39 @@ top: goto out; } - if (unlinked) + if (0 && unlinked) { + VI_LOCK(vp); + delete_now = may_delete_now && + vp->v_count == 1 && !vn_has_cached_data(vp) && + zp->z_phys->zp_xattr == xattr_obj && + zp->z_phys->zp_acl.z_acl_extern_obj == acl_obj; + VI_UNLOCK(vp); + } + + if (delete_now) { + if (zp->z_phys->zp_xattr) { + error = zfs_zget(zfsvfs, zp->z_phys->zp_xattr, &xzp); + ASSERT3U(error, ==, 0); + ASSERT3U(xzp->z_phys->zp_links, ==, 2); + dmu_buf_will_dirty(xzp->z_dbuf, tx); + mutex_enter(&xzp->z_lock); + xzp->z_unlinked = 1; + xzp->z_phys->zp_links = 0; + mutex_exit(&xzp->z_lock); + zfs_unlinked_add(xzp, tx); + zp->z_phys->zp_xattr = 0; /* probably unnecessary */ + } + mutex_enter(&zp->z_lock); + VI_LOCK(vp); + vp->v_count--; + ASSERT3U(vp->v_count, ==, 0); + VI_UNLOCK(vp); + mutex_exit(&zp->z_lock); + zfs_znode_delete(zp, tx); + VFS_RELE(zfsvfs->z_vfs); + } else if (unlinked) { zfs_unlinked_add(zp, tx); + } zfs_log_remove(zilog, tx, TX_REMOVE, dzp, name); @@ -1380,6 +1430,13 @@ top: out: zfs_dirent_unlock(dl); + if (!delete_now) { + VN_RELE(vp); + } else if (xzp) { + /* this rele delayed to prevent nesting transactions */ + VN_RELE(ZTOV(xzp)); + } + ZFS_EXIT(zfsvfs); return (error); } @@ -1403,19 +1460,8 @@ out: * vp - ctime|mtime|atime updated */ static int -zfs_mkdir(ap) - struct vop_mkdir_args /* { - struct vnode *a_dvp; - struct vnode **a_vpp; - struct componentname *a_cnp; - struct vattr *a_vap; - } */ *ap; +zfs_mkdir(vnode_t *dvp, char *dirname, vattr_t *vap, vnode_t **vpp, cred_t *cr) { - vnode_t *dvp = ap->a_dvp; - vnode_t **vpp = ap->a_vpp; - vattr_t *vap = ap->a_vap; - cred_t *cr = ap->a_cnp->cn_cred; - char *dirname = ap->a_cnp->cn_nameptr; znode_t *zp, *dzp = VTOZ(dvp); zfsvfs_t *zfsvfs = dzp->z_zfsvfs; zilog_t *zilog = zfsvfs->z_log; @@ -1424,9 +1470,7 @@ zfs_mkdir(ap) dmu_tx_t *tx; int error; - ASSERT(ap->a_cnp->cn_flags & SAVENAME); ASSERT(vap->va_type == VDIR); - vattr_init_mask(vap); ZFS_ENTER(zfsvfs); @@ -1488,7 +1532,7 @@ top: zfs_log_create(zilog, tx, TX_MKDIR, dzp, zp, dirname); dmu_tx_commit(tx); - vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, ap->a_cnp->cn_thread); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, curthread); zfs_dirent_unlock(dl); @@ -1513,16 +1557,8 @@ top: * dvp - ctime|mtime updated */ static int -zfs_rmdir(ap) - struct vop_rmdir_args /* { - struct vnode *a_dvp; - struct vnode *a_vp; - struct componentname *a_cnp; - } */ *ap; +zfs_rmdir(vnode_t *dvp, char *name, vnode_t *cwd, cred_t *cr) { - vnode_t *dvp = ap->a_dvp; - cred_t *cr = ap->a_cnp->cn_cred; - char *name = ap->a_cnp->cn_nameptr; znode_t *dzp = VTOZ(dvp); znode_t *zp; vnode_t *vp; @@ -1532,9 +1568,8 @@ zfs_rmdir(ap) dmu_tx_t *tx; int error; - ASSERT(ap->a_cnp->cn_flags & SAVENAME); - ZFS_ENTER(zfsvfs); + top: zp = NULL; @@ -1547,16 +1582,23 @@ top: } vp = ZTOV(zp); - ASSERT(vp == ap->a_vp); - ASSERT(vp->v_type == VDIR); - /* Drop an extra reference from zfs_dirent_lock(). */ - VN_RELE(vp); - ASSERT(vp->v_count > 0); if (error = zfs_zaccess_delete(dzp, zp, cr)) { goto out; } + if (vp->v_type != VDIR) { + error = ENOTDIR; + goto out; + } + + if (vp == cwd) { + error = EINVAL; + goto out; + } + + vnevent_rmdir(vp); + /* * Grab a lock on the directory to make sure that noone is * trying to add (or lookup) entries while we are removing it. @@ -1578,6 +1620,7 @@ top: rw_exit(&zp->z_parent_lock); rw_exit(&zp->z_name_lock); zfs_dirent_unlock(dl); + VN_RELE(vp); if (error == ERESTART && zfsvfs->z_assign == TXG_NOWAIT) { dmu_tx_wait(tx); dmu_tx_abort(tx); @@ -1607,6 +1650,8 @@ top: out: zfs_dirent_unlock(dl); + VN_RELE(vp); + ZFS_EXIT(zfsvfs); return (error); } @@ -1637,19 +1682,8 @@ out: */ /* ARGSUSED */ static int -zfs_readdir(ap) - struct vop_readdir_args /* { - struct vnode *a_vp; - struct uio *a_uio; - struct ucred *a_cred; - int *a_eofflag; - int *ncookies; - u_long **a_cookies; - } */ *ap; +zfs_readdir(vnode_t *vp, uio_t *uio, cred_t *cr, int *eofp, int *ncookies, u_long **cookies) { - vnode_t *vp = ap->a_vp; - uio_t *uio = ap->a_uio; - int *eofp = ap->a_eofflag; znode_t *zp = VTOZ(vp); iovec_t *iovp; dirent64_t *odp; @@ -1666,8 +1700,8 @@ zfs_readdir(ap) int error; uint8_t prefetch; uint8_t type; - int ncookies; - u_long *cookies = NULL; + int ncooks; + u_long *cooks = NULL; ZFS_ENTER(zfsvfs); @@ -1728,14 +1762,14 @@ zfs_readdir(ap) odp = (struct dirent64 *)iovp->iov_base; } - if (ap->a_ncookies) { + if (ncookies != NULL) { /* * Minimum entry size is dirent size and 1 byte for a file name. */ - ncookies = uio->uio_resid / (sizeof(struct dirent) - sizeof(((struct dirent *)NULL)->d_name) + 1); - cookies = malloc(ncookies * sizeof(u_long), M_TEMP, M_WAITOK); - *ap->a_cookies = cookies; - *ap->a_ncookies = ncookies; + ncooks = uio->uio_resid / (sizeof(struct dirent) - sizeof(((struct dirent *)NULL)->d_name) + 1); + cooks = malloc(ncooks * sizeof(u_long), M_TEMP, M_WAITOK); + *cookies = cooks; + *ncookies = ncooks; } /* @@ -1828,17 +1862,17 @@ zfs_readdir(ap) offset += 1; } - if (cookies != NULL) { - *cookies++ = offset; - ncookies--; - KASSERT(ncookies >= 0, ("ncookies=%d", ncookies)); + if (cooks != NULL) { + *cooks++ = offset; + ncooks--; + KASSERT(ncooks >= 0, ("ncookies=%d", ncooks)); } } zp->z_zn_prefetch = B_FALSE; /* a lookup will re-enable pre-fetching */ /* Subtract unused cookies */ - if (ap->a_ncookies) - *ap->a_ncookies -= ncookies; + if (ncookies != NULL) + *ncookies -= ncooks; if (uio->uio_segflg == UIO_SYSSPACE && uio->uio_iovcnt == 1) { iovp->iov_base += outcount; @@ -1864,20 +1898,18 @@ update: uio->uio_loffset = offset; ZFS_EXIT(zfsvfs); if (error != 0) { - free(*ap->a_cookies, M_TEMP); - *ap->a_cookies = NULL; - *ap->a_ncookies = 0; + free(*cookies, M_TEMP); + *cookies = NULL; + *ncookies = 0; } return (error); } static int -zfs_fsync(struct vop_fsync_args *ap) +zfs_fsync(vnode_t *vp, int syncflag, cred_t *cr) { - znode_t *zp = VTOZ(ap->a_vp); - zfsvfs_t *zfsvfs = zp->z_zfsvfs; - - vop_stdfsync(ap); + znode_t *zp = VTOZ(vp); + zfsvfs_t *zfsvfs = zp->z_zfsvfs; ZFS_ENTER(zfsvfs); zil_commit(zfsvfs->z_log, zp->z_last_itx, zp->z_id); @@ -1900,23 +1932,14 @@ zfs_fsync(struct vop_fsync_args *ap) */ /* ARGSUSED */ static int -zfs_getattr(ap) - struct vop_getattr_args /* { - struct vnode *a_vp; - struct vattr *a_vap; - struct ucred *a_cred; - struct thread *a_td; - } */ *ap; +zfs_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr) { - vnode_t *vp = ap->a_vp; - vattr_t *vap = ap->a_vap; - cred_t *cr = ap->a_cred; - znode_t *zp = VTOZ(vp); - zfsvfs_t *zfsvfs = zp->z_zfsvfs; - znode_phys_t *pzp = zp->z_phys; - uint32_t blksize; - u_longlong_t nblocks; - int error; + znode_t *zp = VTOZ(vp); + zfsvfs_t *zfsvfs = zp->z_zfsvfs; + znode_phys_t *pzp = zp->z_phys; + uint32_t blksize; + u_longlong_t nblocks; + int error; ZFS_ENTER(zfsvfs); @@ -1991,42 +2014,29 @@ zfs_getattr(ap) */ /* ARGSUSED */ static int -zfs_setattr(ap) - struct vop_setattr_args /* { - struct vnode *a_vp; - struct vattr *a_vap; - struct ucred *a_cred; - struct thread *a_td; - } */ *ap; +zfs_setattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr, + caller_context_t *ct) { - vnode_t *vp = ap->a_vp; - vattr_t *vap = ap->a_vap; - cred_t *cr = ap->a_cred; - znode_t *zp = VTOZ(vp); + struct znode *zp = VTOZ(vp); znode_phys_t *pzp = zp->z_phys; zfsvfs_t *zfsvfs = zp->z_zfsvfs; zilog_t *zilog = zfsvfs->z_log; dmu_tx_t *tx; vattr_t oldva; - uint_t mask; + uint_t mask = vap->va_mask; uint_t saved_mask; int trim_mask = 0; uint64_t new_mode; znode_t *attrzp; int need_policy = FALSE; - int flags = 0; int err; - /* No support for FreeBSD's chflags(2). */ - if (vap->va_flags != VNOVAL) - return (EOPNOTSUPP); - - vattr_init_mask(vap); - mask = vap->va_mask; - if (mask == 0) return (0); + if (mask & AT_NOSET) + return (EINVAL); + if (mask & AT_SIZE && vp->v_type == VDIR) return (EISDIR); @@ -2126,12 +2136,12 @@ top: if (mask & AT_MODE) { if (zfs_zaccess_v4_perm(zp, ACE_WRITE_ACL, cr) == 0) { - err = secpolicy_setid_setsticky_clear(vp, vap, - &oldva, cr); - if (err) { - ZFS_EXIT(zfsvfs); - return (err); - } + err = secpolicy_setid_setsticky_clear(vp, vap, + &oldva, cr); + if (err) { + ZFS_EXIT(zfsvfs); + return (err); + } trim_mask |= AT_MODE; } else { need_policy = TRUE; @@ -2383,50 +2393,29 @@ zfs_rename_lock(znode_t *szp, znode_t *tdzp, znode_t *sdzp, zfs_zlock_t **zlpp) * sdvp,tdvp - ctime|mtime updated */ static int -zfs_rename(ap) - struct vop_rename_args /* { - struct vnode *a_fdvp; - struct vnode *a_fvp; - struct componentname *a_fcnp; - struct vnode *a_tdvp; - struct vnode *a_tvp; - struct componentname *a_tcnp; - } */ *ap; +zfs_rename(vnode_t *sdvp, char *snm, vnode_t *tdvp, char *tnm, cred_t *cr) { - vnode_t *svp = ap->a_fvp; - vnode_t *tvp = ap->a_tvp; - vnode_t *sdvp = ap->a_fdvp; - vnode_t *tdvp = ap->a_tdvp; - char *snm = ap->a_fcnp->cn_nameptr; - char *tnm = ap->a_tcnp->cn_nameptr; - cred_t *cr = ap->a_fcnp->cn_cred; znode_t *tdzp, *szp, *tzp; znode_t *sdzp = VTOZ(sdvp); zfsvfs_t *zfsvfs = sdzp->z_zfsvfs; zilog_t *zilog = zfsvfs->z_log; + vnode_t *realvp; zfs_dirlock_t *sdl, *tdl; dmu_tx_t *tx; zfs_zlock_t *zl; - int serr, terr, error; - - ASSERT(ap->a_fcnp->cn_flags & SAVENAME); - ASSERT(ap->a_tcnp->cn_flags & SAVENAME); + int cmp, serr, terr, error; ZFS_ENTER(zfsvfs); + /* + * Make sure we have the real vp for the target directory. + */ + if (VOP_REALVP(tdvp, &realvp) == 0) + tdvp = realvp; + if (tdvp->v_vfsp != sdvp->v_vfsp) { - error = EXDEV; -abort: ZFS_EXIT(zfsvfs); - if (tdvp == tvp) - vrele(tdvp); - else - vput(tdvp); - if (tvp) - vput(tvp); - vrele(sdvp); - vrele(svp); - return (error); + return (EXDEV); } tdzp = VTOZ(tdvp); @@ -2442,66 +2431,63 @@ top: */ if ((tdzp->z_phys->zp_flags & ZFS_XATTR) != (sdzp->z_phys->zp_flags & ZFS_XATTR)) { - error = EINVAL; - goto abort; + ZFS_EXIT(zfsvfs); + return (EINVAL); } /* - * POSIX: "If the old argument and the new argument - * both refer to links to the same existing file, - * the rename() function shall return successfully - * and perform no other action." - * This case is already handled in kern_rename(). - */ - ASSERT(svp != tvp); - - /* * Lock source and target directory entries. To prevent deadlock, * a lock ordering must be defined. We lock the directory with * the smallest object id first, or if it's a tie, the one with * the lexically first name. */ if (sdzp->z_id < tdzp->z_id) { + cmp = -1; + } else if (sdzp->z_id > tdzp->z_id) { + cmp = 1; + } else { + cmp = strcmp(snm, tnm); + if (cmp == 0) { + /* + * POSIX: "If the old argument and the new argument + * both refer to links to the same existing file, + * the rename() function shall return successfully + * and perform no other action." + */ + ZFS_EXIT(zfsvfs); + return (0); + } + } + if (cmp < 0) { serr = zfs_dirent_lock(&sdl, sdzp, snm, &szp, ZEXISTS); terr = zfs_dirent_lock(&tdl, tdzp, tnm, &tzp, 0); - } else /* if (sdzp->z_id > tdzp->z_id) */ { + } else { terr = zfs_dirent_lock(&tdl, tdzp, tnm, &tzp, 0); serr = zfs_dirent_lock(&sdl, sdzp, snm, &szp, ZEXISTS); } - if (!terr && tzp != NULL) { - if (tvp) - vrele(tvp); - else { - ZFS_LOG(0x100, "Unexpected code path, report to pjd@FreeBSD.org"); - tvp = ZTOV(tzp); - vn_lock(tvp, LK_EXCLUSIVE | LK_RETRY, curthread); - } - ASSERT(tvp->v_count > 0); - } - if (serr || svp != ZTOV(szp)) { + if (serr) { /* * Source entry invalid or not there. */ - if (!serr) - zfs_dirent_unlock(sdl); - if (!terr) + if (!terr) { zfs_dirent_unlock(tdl); + if (tzp) + VN_RELE(ZTOV(tzp)); + } if (strcmp(snm, ".") == 0 || strcmp(snm, "..") == 0) serr = EINVAL; - error = serr; - goto abort; + ZFS_EXIT(zfsvfs); + return (serr); } if (terr) { zfs_dirent_unlock(sdl); + VN_RELE(ZTOV(szp)); if (strcmp(tnm, "..") == 0) terr = EINVAL; - error = terr; - goto abort; + ZFS_EXIT(zfsvfs); + return (terr); } - /* Remove an extra reference from zfs_dirent_lock(). */ - vrele(svp); - ASSERT(svp->v_count > 0); /* * Must have write access at the source to remove the old entry @@ -2513,7 +2499,7 @@ top: if (error = zfs_zaccess_rename(sdzp, szp, tdzp, tzp, cr)) goto out; - if (svp->v_type == VDIR) { + if (ZTOV(szp)->v_type == VDIR) { /* * Check to make sure rename is valid. * Can't do a move like this: /usr/a/b to /usr/a/b/c/d @@ -2529,13 +2515,13 @@ top: /* * Source and target must be the same type. */ - if (svp->v_type == VDIR) { - if (tvp->v_type != VDIR) { + if (ZTOV(szp)->v_type == VDIR) { + if (ZTOV(tzp)->v_type != VDIR) { error = ENOTDIR; goto out; } } else { - if (tvp->v_type == VDIR) { + if (ZTOV(tzp)->v_type == VDIR) { error = EISDIR; goto out; } @@ -2551,6 +2537,10 @@ top: } } + vnevent_rename_src(ZTOV(szp)); + if (tzp) + vnevent_rename_dest(ZTOV(tzp)); + tx = dmu_tx_create(zfsvfs->z_os); dmu_tx_hold_bonus(tx, szp->z_id); /* nlink changes */ dmu_tx_hold_bonus(tx, sdzp->z_id); /* nlink changes */ @@ -2567,17 +2557,17 @@ top: zfs_rename_unlock(&zl); zfs_dirent_unlock(sdl); zfs_dirent_unlock(tdl); + VN_RELE(ZTOV(szp)); + if (tzp) + VN_RELE(ZTOV(tzp)); if (error == ERESTART && zfsvfs->z_assign == TXG_NOWAIT) { dmu_tx_wait(tx); dmu_tx_abort(tx); - if (ap->a_tvp == NULL && tvp != NULL) { - vput(tvp); - tvp = NULL; - } goto top; } dmu_tx_abort(tx); - goto abort; + ZFS_EXIT(zfsvfs); + return (error); } if (tzp) /* Attempt to remove the existing target */ @@ -2607,11 +2597,9 @@ out: zfs_dirent_unlock(sdl); zfs_dirent_unlock(tdl); + VN_RELE(ZTOV(szp)); if (tzp) - vput(tvp); - vput(tdvp); - vrele(sdvp); - vrele(svp); + VN_RELE(ZTOV(tzp)); ZFS_EXIT(zfsvfs); @@ -2634,20 +2622,8 @@ out: * dvp - ctime|mtime updated */ static int -zfs_symlink(ap) - struct vop_symlink_args /* { - struct vnode *a_dvp; - struct vnode **a_vpp; - struct componentname *a_cnp; - struct vattr *a_vap; - char *a_target; - } */ *ap; +zfs_symlink(vnode_t *dvp, vnode_t **vpp, char *name, vattr_t *vap, char *link, cred_t *cr, kthread_t *td) { - vnode_t *dvp = ap->a_dvp; - vattr_t *vap = ap->a_vap; - cred_t *cr = ap->a_cnp->cn_cred; - char *name = ap->a_cnp->cn_nameptr; - char *link = ap->a_target; znode_t *zp, *dzp = VTOZ(dvp); zfs_dirlock_t *dl; dmu_tx_t *tx; @@ -2657,10 +2633,7 @@ zfs_symlink(ap) int len = strlen(link); int error; - ASSERT(ap->a_cnp->cn_flags & SAVENAME); - - vap->va_type = VLNK; /* FreeBSD: Syscall only sets va_mode. */ - vattr_init_mask(vap); + ASSERT(vap->va_type == VLNK); ZFS_ENTER(zfsvfs); top: @@ -2737,14 +2710,11 @@ top: * Insert the new object into the directory. */ (void) zfs_link_create(dl, zp, tx, ZNEW); - +out: if (error == 0) { zfs_log_symlink(zilog, tx, TX_SYMLINK, dzp, zp, name, link); - - *ap->a_vpp = ZTOV(zp); - - vn_lock(ZTOV(zp), LK_EXCLUSIVE | LK_RETRY, - ap->a_cnp->cn_thread); + *vpp = ZTOV(zp); + vn_lock(*vpp, LK_EXCLUSIVE | LK_RETRY, td); } dmu_tx_commit(tx); @@ -2773,15 +2743,8 @@ top: */ /* ARGSUSED */ static int -zfs_readlink(ap) - struct vop_readlink_args /* { - struct vnode *a_vp; - struct uio *a_uio; - struct ucred *a_cred; - } */ *ap; +zfs_readlink(vnode_t *vp, uio_t *uio, cred_t *cr) { - vnode_t *vp = ap->a_vp; - uio_t *uio = ap->a_uio; znode_t *zp = VTOZ(vp); zfsvfs_t *zfsvfs = zp->z_zfsvfs; size_t bufsz; @@ -2827,30 +2790,24 @@ zfs_readlink(ap) */ /* ARGSUSED */ static int -zfs_link(ap) - struct vop_link_args /* { - struct vnode *a_tdvp; - struct vnode *a_vp; - struct componentname *a_cnp; - } */ *ap; +zfs_link(vnode_t *tdvp, vnode_t *svp, char *name, cred_t *cr) { - vnode_t *svp = ap->a_vp; - vnode_t *tdvp = ap->a_tdvp; - cred_t *cr = ap->a_cnp->cn_cred; - char *name = ap->a_cnp->cn_nameptr; znode_t *dzp = VTOZ(tdvp); znode_t *tzp, *szp; zfsvfs_t *zfsvfs = dzp->z_zfsvfs; zilog_t *zilog = zfsvfs->z_log; zfs_dirlock_t *dl; dmu_tx_t *tx; + vnode_t *realvp; int error; - ASSERT(ap->a_cnp->cn_flags & SAVENAME); ASSERT(tdvp->v_type == VDIR); ZFS_ENTER(zfsvfs); + if (VOP_REALVP(svp, &realvp) == 0) + svp = realvp; + if (svp->v_vfsp != tdvp->v_vfsp) { ZFS_EXIT(zfsvfs); return (EXDEV); @@ -2927,22 +2884,12 @@ top: return (error); } -static int -zfs_inactive(ap) - struct vop_inactive_args /* { - struct vnode *a_vp; - struct thread *a_td; - } */ *ap; +void +zfs_inactive(vnode_t *vp, cred_t *cr) { - vnode_t *vp = ap->a_vp; - znode_t *zp = VTOZ(vp); - zfsvfs_t *zfsvfs = zp->z_zfsvfs; - int error; - - /* - * Destroy the vm object and flush associated pages. - */ - vnode_destroy_vobject(vp); + znode_t *zp = VTOZ(vp); + zfsvfs_t *zfsvfs = zp->z_zfsvfs; + int error; rw_enter(&zfsvfs->z_um_lock, RW_READER); if (zfsvfs->z_unmounted2) { @@ -2960,7 +2907,7 @@ zfs_inactive(ap) } rw_exit(&zfsvfs->z_um_lock); VFS_RELE(zfsvfs->z_vfs); - return (0); + return; } if (zp->z_atime_dirty && zp->z_unlinked == 0) { @@ -2981,53 +2928,14 @@ zfs_inactive(ap) zfs_zinactive(zp); rw_exit(&zfsvfs->z_um_lock); - return (0); -} - -static int -zfs_reclaim(ap) - struct vop_reclaim_args /* { - struct vnode *a_vp; - struct thread *a_td; - } */ *ap; -{ - vnode_t *vp = ap->a_vp; - znode_t *zp = VTOZ(vp); - - if (zp != NULL) - mutex_enter(&zp->z_lock); -#if 0 /* - * We do it from zfs_inactive(), because after zfs_inactive() we can't - * VOP_WRITE() to the vnode. - */ - /* - * Destroy the vm object and flush associated pages. - */ - vnode_destroy_vobject(vp); -#endif - VI_LOCK(vp); - vp->v_data = NULL; - if (zp != NULL) - zp->z_vnode = NULL; - ASSERT(vp->v_holdcnt > 1); - vdropl(vp); - if (zp != NULL) - mutex_exit(&zp->z_lock); - return (0); } CTASSERT(sizeof(struct zfid_short) <= sizeof(struct fid)); CTASSERT(sizeof(struct zfid_long) <= sizeof(struct fid)); static int -zfs_fid(ap) - struct vop_fid_args /* { - struct vnode *a_vp; - struct fid *a_fid; - } */ *ap; +zfs_fid(vnode_t *vp, fid_t *fidp) { - vnode_t *vp = ap->a_vp; - fid_t *fidp = (void *)ap->a_fid; znode_t *zp = VTOZ(vp); zfsvfs_t *zfsvfs = zp->z_zfsvfs; uint32_t gen = (uint32_t)zp->z_phys->zp_gen; @@ -3072,22 +2980,12 @@ zfs_fid(ap) } static int -zfs_pathconf(ap) - struct vop_pathconf_args /* { - struct vnode *a_vp; - int a_name; - register_t *a_retval; - } */ *ap; +zfs_pathconf(vnode_t *vp, int cmd, ulong_t *valp, cred_t *cr) { - int cmd = ap->a_name; - register_t *valp = ap->a_retval; -#if 0 - vnode_t *vp = ap->a_vp; znode_t *zp, *xzp; zfsvfs_t *zfsvfs; zfs_dirlock_t *dl; int error; -#endif switch (cmd) { case _PC_LINK_MAX: @@ -3131,7 +3029,7 @@ zfs_pathconf(ap) return (0); default: - return (vop_stdpathconf(ap)); + return (EOPNOTSUPP); } } @@ -3168,11 +3066,413 @@ zfs_setsecattr(vnode_t *vp, vsecattr_t *vsecp, int flag, cred_t *cr) } #endif /* TODO */ +static int +zfs_freebsd_open(ap) + struct vop_open_args /* { + struct vnode *a_vp; + int a_mode; + struct ucred *a_cred; + struct thread *a_td; + } */ *ap; +{ + vnode_t *vp = ap->a_vp; + znode_t *zp = VTOZ(vp); + int error; + + error = zfs_open(&vp, ap->a_mode, ap->a_cred); + if (error == 0) + vnode_create_vobject(vp, zp->z_phys->zp_size, ap->a_td); + return (error); +} + +static int +zfs_freebsd_close(ap) + struct vop_close_args /* { + struct vnode *a_vp; + int a_fflag; + struct ucred *a_cred; + struct thread *a_td; + } */ *ap; +{ + + return (zfs_close(ap->a_vp, ap->a_fflag, 0, 0, ap->a_cred)); +} + +static int +zfs_freebsd_ioctl(ap) + struct vop_ioctl_args /* { + struct vnode *a_vp; + u_long a_command; + caddr_t a_data; + int a_fflag; + struct ucred *cred; + struct thread *td; + } */ *ap; +{ + + return (zfs_ioctl(ap->a_vp, (int)ap->a_command, (intptr_t)ap->a_data, + ap->a_fflag, ap->a_cred, NULL)); +} + +static int +zfs_freebsd_read(ap) + struct vop_read_args /* { + struct vnode *a_vp; + struct uio *a_uio; + int a_ioflag; + struct ucred *a_cred; + } */ *ap; +{ + + return (zfs_read(ap->a_vp, ap->a_uio, ap->a_ioflag, ap->a_cred, NULL)); +} + +static int +zfs_freebsd_write(ap) + struct vop_write_args /* { + struct vnode *a_vp; + struct uio *a_uio; + int a_ioflag; + struct ucred *a_cred; + } */ *ap; +{ + + return (zfs_write(ap->a_vp, ap->a_uio, ap->a_ioflag, ap->a_cred, NULL)); +} + +static int +zfs_freebsd_access(ap) + struct vop_access_args /* { + struct vnode *a_vp; + int a_mode; + struct ucred *a_cred; + struct thread *a_td; + } */ *ap; +{ + + return (zfs_access(ap->a_vp, ap->a_mode, 0, ap->a_cred)); +} + +static int +zfs_freebsd_lookup(ap) + struct vop_lookup_args /* { + struct vnode *a_dvp; + struct vnode **a_vpp; + struct componentname *a_cnp; + } */ *ap; +{ + struct componentname *cnp = ap->a_cnp; + char nm[NAME_MAX + 1]; + + ASSERT(cnp->cn_namelen < sizeof(nm)); + strlcpy(nm, cnp->cn_nameptr, MIN(cnp->cn_namelen + 1, sizeof(nm))); + + return (zfs_lookup(ap->a_dvp, nm, ap->a_vpp, cnp, cnp->cn_nameiop, + cnp->cn_cred, cnp->cn_thread)); +} + +static int +zfs_freebsd_create(ap) + struct vop_create_args /* { + struct vnode *a_dvp; + struct vnode **a_vpp; + struct componentname *a_cnp; + struct vattr *a_vap; + } */ *ap; +{ + struct componentname *cnp = ap->a_cnp; + vattr_t *vap = ap->a_vap; + int mode; + + ASSERT(cnp->cn_flags & SAVENAME); + + vattr_init_mask(vap); + mode = vap->va_mode & ALLPERMS; + + return (zfs_create(ap->a_dvp, cnp->cn_nameptr, vap, !EXCL, mode, + ap->a_vpp, cnp->cn_cred, cnp->cn_thread)); +} + +static int +zfs_freebsd_remove(ap) + struct vop_remove_args /* { + struct vnode *a_dvp; + struct vnode *a_vp; + struct componentname *a_cnp; + } */ *ap; +{ + + ASSERT(ap->a_cnp->cn_flags & SAVENAME); + + return (zfs_remove(ap->a_dvp, ap->a_cnp->cn_nameptr, + ap->a_cnp->cn_cred)); +} + +static int +zfs_freebsd_mkdir(ap) + struct vop_mkdir_args /* { + struct vnode *a_dvp; + struct vnode **a_vpp; + struct componentname *a_cnp; + struct vattr *a_vap; + } */ *ap; +{ + vattr_t *vap = ap->a_vap; + + ASSERT(ap->a_cnp->cn_flags & SAVENAME); + + vattr_init_mask(vap); + + return (zfs_mkdir(ap->a_dvp, ap->a_cnp->cn_nameptr, vap, ap->a_vpp, + ap->a_cnp->cn_cred)); +} + +static int +zfs_freebsd_rmdir(ap) + struct vop_rmdir_args /* { + struct vnode *a_dvp; + struct vnode *a_vp; + struct componentname *a_cnp; + } */ *ap; +{ + struct componentname *cnp = ap->a_cnp; + + ASSERT(cnp->cn_flags & SAVENAME); + + return (zfs_rmdir(ap->a_dvp, cnp->cn_nameptr, NULL, cnp->cn_cred)); +} + +static int +zfs_freebsd_readdir(ap) + struct vop_readdir_args /* { + struct vnode *a_vp; + struct uio *a_uio; + struct ucred *a_cred; + int *a_eofflag; + int *a_ncookies; + u_long **a_cookies; + } */ *ap; +{ + + return (zfs_readdir(ap->a_vp, ap->a_uio, ap->a_cred, ap->a_eofflag, + ap->a_ncookies, ap->a_cookies)); +} + +static int +zfs_freebsd_fsync(ap) + struct vop_fsync_args /* { + struct vnode *a_vp; + int a_waitfor; + struct thread *a_td; + } */ *ap; +{ + + vop_stdfsync(ap); + return (zfs_fsync(ap->a_vp, 0, ap->a_td->td_ucred)); +} + +static int +zfs_freebsd_getattr(ap) + struct vop_getattr_args /* { + struct vnode *a_vp; + struct vattr *a_vap; + struct ucred *a_cred; + struct thread *a_td; + } */ *ap; +{ + + return (zfs_getattr(ap->a_vp, ap->a_vap, 0, ap->a_cred)); +} + +static int +zfs_freebsd_setattr(ap) + struct vop_setattr_args /* { + struct vnode *a_vp; + struct vattr *a_vap; + struct ucred *a_cred; + struct thread *a_td; + } */ *ap; +{ + vattr_t *vap = ap->a_vap; + + /* No support for FreeBSD's chflags(2). */ + if (vap->va_flags != VNOVAL) + return (EOPNOTSUPP); + + vattr_init_mask(vap); + + return (zfs_setattr(ap->a_vp, vap, 0, ap->a_cred, NULL)); +} + +static int +zfs_freebsd_rename(ap) + struct vop_rename_args /* { + struct vnode *a_fdvp; + struct vnode *a_fvp; + struct componentname *a_fcnp; + struct vnode *a_tdvp; + struct vnode *a_tvp; + struct componentname *a_tcnp; + } */ *ap; +{ + vnode_t *fdvp = ap->a_fdvp; + vnode_t *fvp = ap->a_fvp; + vnode_t *tdvp = ap->a_tdvp; + vnode_t *tvp = ap->a_tvp; + int error; + + ASSERT(ap->a_fcnp->cn_flags & SAVENAME); + ASSERT(ap->a_tcnp->cn_flags & SAVENAME); + + error = zfs_rename(fdvp, ap->a_fcnp->cn_nameptr, tdvp, + ap->a_tcnp->cn_nameptr, ap->a_fcnp->cn_cred); + + if (tdvp == tvp) + VN_RELE(tdvp); + else + VN_URELE(tdvp); + if (tvp) + VN_URELE(tvp); + VN_RELE(fdvp); + VN_RELE(fvp); + + return (error); +} + +static int +zfs_freebsd_symlink(ap) + struct vop_symlink_args /* { + struct vnode *a_dvp; + struct vnode **a_vpp; + struct componentname *a_cnp; + struct vattr *a_vap; + char *a_target; + } */ *ap; +{ + struct componentname *cnp = ap->a_cnp; + vattr_t *vap = ap->a_vap; + + ASSERT(cnp->cn_flags & SAVENAME); + + vap->va_type = VLNK; /* FreeBSD: Syscall only sets va_mode. */ + vattr_init_mask(vap); + + return (zfs_symlink(ap->a_dvp, ap->a_vpp, cnp->cn_nameptr, vap, + ap->a_target, cnp->cn_cred, cnp->cn_thread)); +} + +static int +zfs_freebsd_readlink(ap) + struct vop_readlink_args /* { + struct vnode *a_vp; + struct uio *a_uio; + struct ucred *a_cred; + } */ *ap; +{ + + return (zfs_readlink(ap->a_vp, ap->a_uio, ap->a_cred)); +} + +static int +zfs_freebsd_link(ap) + struct vop_link_args /* { + struct vnode *a_tdvp; + struct vnode *a_vp; + struct componentname *a_cnp; + } */ *ap; +{ + struct componentname *cnp = ap->a_cnp; + + ASSERT(cnp->cn_flags & SAVENAME); + + return (zfs_link(ap->a_tdvp, ap->a_vp, cnp->cn_nameptr, cnp->cn_cred)); +} + +static int +zfs_freebsd_inactive(ap) + struct vop_inactive_args /* { + struct vnode *a_vp; + struct thread *a_td; + } */ *ap; +{ + vnode_t *vp = ap->a_vp; + + /* + * Destroy the vm object and flush associated pages. + */ + vnode_destroy_vobject(vp); + + zfs_inactive(vp, ap->a_td->td_ucred); + return (0); +} + +static int +zfs_freebsd_reclaim(ap) + struct vop_reclaim_args /* { + struct vnode *a_vp; + struct thread *a_td; + } */ *ap; +{ + vnode_t *vp = ap->a_vp; + znode_t *zp = VTOZ(vp); + + if (zp != NULL) + mutex_enter(&zp->z_lock); +#if 0 /* + * We do it from zfs_inactive(), because after zfs_inactive() we can't + * VOP_WRITE() to the vnode. + */ + /* + * Destroy the vm object and flush associated pages. + */ + vnode_destroy_vobject(vp); +#endif + VI_LOCK(vp); + vp->v_data = NULL; + if (zp != NULL) + zp->z_vnode = NULL; + ASSERT(vp->v_holdcnt > 1); + vdropl(vp); + if (zp != NULL) + mutex_exit(&zp->z_lock); + return (0); +} + +static int +zfs_freebsd_fid(ap) + struct vop_fid_args /* { + struct vnode *a_vp; + struct fid *a_fid; + } */ *ap; +{ + + return (zfs_fid(ap->a_vp, (void *)ap->a_fid)); +} + +static int +zfs_freebsd_pathconf(ap) + struct vop_pathconf_args /* { + struct vnode *a_vp; + int a_name; + register_t *a_retval; + } */ *ap; +{ + ulong_t val; + int error; + + error = zfs_pathconf(ap->a_vp, ap->a_name, &val, curthread->td_ucred); + if (error == 0) + *ap->a_retval = val; + else if (error == EOPNOTSUPP) + error = vop_stdpathconf(ap); + return (error); +} + /* * Advisory record locking support */ static int -zfs_advlock(ap) +zfs_freebsd_advlock(ap) struct vop_advlock_args /* { struct vnode *a_vp; caddr_t a_id; @@ -3191,48 +3491,48 @@ struct vop_vector zfs_fifoops; struct vop_vector zfs_vnodeops = { .vop_default = &default_vnodeops, - .vop_inactive = zfs_inactive, - .vop_reclaim = zfs_reclaim, - .vop_access = zfs_access, + .vop_inactive = zfs_freebsd_inactive, + .vop_reclaim = zfs_freebsd_reclaim, + .vop_access = zfs_freebsd_access, #ifdef FREEBSD_NAMECACHE .vop_lookup = vfs_cache_lookup, - .vop_cachedlookup = zfs_lookup, + .vop_cachedlookup = zfs_freebsd_lookup, #else - .vop_lookup = zfs_lookup, + .vop_lookup = zfs_freebsd_lookup, #endif - .vop_getattr = zfs_getattr, - .vop_setattr = zfs_setattr, - .vop_create = zfs_create, - .vop_mknod = zfs_create, - .vop_mkdir = zfs_mkdir, - .vop_readdir = zfs_readdir, - .vop_fsync = zfs_fsync, - .vop_open = zfs_open, - .vop_close = zfs_close, - .vop_rmdir = zfs_rmdir, - .vop_ioctl = zfs_ioctl, - .vop_link = zfs_link, - .vop_symlink = zfs_symlink, - .vop_readlink = zfs_readlink, - .vop_read = zfs_read, - .vop_write = zfs_write, - .vop_remove = zfs_remove, - .vop_rename = zfs_rename, - .vop_advlock = zfs_advlock, - .vop_pathconf = zfs_pathconf, + .vop_getattr = zfs_freebsd_getattr, + .vop_setattr = zfs_freebsd_setattr, + .vop_create = zfs_freebsd_create, + .vop_mknod = zfs_freebsd_create, + .vop_mkdir = zfs_freebsd_mkdir, + .vop_readdir = zfs_freebsd_readdir, + .vop_fsync = zfs_freebsd_fsync, + .vop_open = zfs_freebsd_open, + .vop_close = zfs_freebsd_close, + .vop_rmdir = zfs_freebsd_rmdir, + .vop_ioctl = zfs_freebsd_ioctl, + .vop_link = zfs_freebsd_link, + .vop_symlink = zfs_freebsd_symlink, + .vop_readlink = zfs_freebsd_readlink, + .vop_read = zfs_freebsd_read, + .vop_write = zfs_freebsd_write, + .vop_remove = zfs_freebsd_remove, + .vop_rename = zfs_freebsd_rename, + .vop_advlock = zfs_freebsd_advlock, + .vop_pathconf = zfs_freebsd_pathconf, .vop_bmap = VOP_EOPNOTSUPP, - .vop_fid = zfs_fid, + .vop_fid = zfs_freebsd_fid, }; struct vop_vector zfs_fifoops = { .vop_default = &fifo_specops, .vop_fsync = VOP_PANIC, - .vop_access = zfs_access, - .vop_getattr = zfs_getattr, - .vop_inactive = zfs_inactive, + .vop_access = zfs_freebsd_access, + .vop_getattr = zfs_freebsd_getattr, + .vop_inactive = zfs_freebsd_inactive, .vop_read = VOP_PANIC, - .vop_reclaim = zfs_reclaim, - .vop_setattr = zfs_setattr, + .vop_reclaim = zfs_freebsd_reclaim, + .vop_setattr = zfs_freebsd_setattr, .vop_write = VOP_PANIC, - .vop_fid = zfs_fid, + .vop_fid = zfs_freebsd_fid, }; diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c index 9aa8b7f..c6aa07b 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c @@ -43,11 +43,13 @@ * run before opening and using a device. */ +#include <sys/types.h> #include <sys/param.h> #include <sys/kernel.h> #include <sys/errno.h> #include <sys/uio.h> #include <sys/bio.h> +#include <sys/buf.h> #include <sys/kmem.h> #include <sys/conf.h> #include <sys/cmn_err.h> @@ -56,8 +58,11 @@ #include <sys/spa.h> #include <sys/zio.h> #include <sys/dsl_prop.h> +#include <sys/dkio.h> #include <sys/byteorder.h> +#include <sys/sunddi.h> #include <sys/dirent.h> +#include <sys/policy.h> #include <sys/fs/zfs.h> #include <sys/zfs_ioctl.h> #include <sys/zil.h> |