Remove WILLRELE from VOP_RENAME

This commit is contained in:
Eivind Eklund 1999-11-12 03:34:28 +00:00
parent 0e46cd3e22
commit edfe736df9
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=53101
10 changed files with 63 additions and 37 deletions

View File

@ -705,8 +705,7 @@ union_mknod(ap)
if ((dvp = union_lock_upper(dun, cnp->cn_proc)) != NULL) {
struct vnode *vp;
error = VOP_MKNOD(dvp, &vp, cnp, ap->a_vap);
/* vp is garbage whether an error occurs or not */
error = VOP_MKNOD(dvp, ap->a_vpp, cnp, ap->a_vap);
union_unlock_upper(dvp, cnp->cn_proc);
}
return (error);

View File

@ -43,6 +43,7 @@
*
* @(#)ufs_vnops.c 8.27 (Berkeley) 5/27/95
* @(#)ext2_vnops.c 8.7 (Berkeley) 2/3/94
* $FreeBSD$
*/
#include "opt_quota.h"
@ -262,14 +263,18 @@ ext2_mknod(ap)
ip->i_rdev = vap->va_rdev;
}
/*
* Remove inode so that it will be reloaded by VFS_VGET and
* Remove inode, then reload it through VFS_VGET so it is
* checked to see if it is an alias of an existing entry in
* the inode cache.
*/
vput(*vpp);
(*vpp)->v_type = VNON;
vgone(*vpp);
*vpp = 0;
error = VFS_VGET(ap->a_dvp->v_mount, ip->i_ino, vpp);
if (error) {
*vpp = NULL;
return (error);
}
return (0);
}

View File

@ -43,6 +43,7 @@
*
* @(#)ufs_vnops.c 8.27 (Berkeley) 5/27/95
* @(#)ext2_vnops.c 8.7 (Berkeley) 2/3/94
* $FreeBSD$
*/
#include "opt_quota.h"
@ -262,14 +263,18 @@ ext2_mknod(ap)
ip->i_rdev = vap->va_rdev;
}
/*
* Remove inode so that it will be reloaded by VFS_VGET and
* Remove inode, then reload it through VFS_VGET so it is
* checked to see if it is an alias of an existing entry in
* the inode cache.
*/
vput(*vpp);
(*vpp)->v_type = VNON;
vgone(*vpp);
*vpp = 0;
error = VFS_VGET(ap->a_dvp->v_mount, ip->i_ino, vpp);
if (error) {
*vpp = NULL;
return (error);
}
return (0);
}

View File

@ -1142,6 +1142,9 @@ mknod(p, uap)
} else {
error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp,
&nd.ni_cnd, &vattr);
if (error == 0) {
vput(nd.ni_vp);
}
vput(nd.ni_dvp);
}
} else {
@ -1197,6 +1200,9 @@ mkfifo(p, uap)
vattr.va_mode = (SCARG(uap, mode) & ALLPERMS) &~ p->p_fd->fd_cmask;
VOP_LEASE(nd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr);
if (error == 0) {
vput(nd.ni_vp);
}
vput(nd.ni_dvp);
return (error);
}

View File

@ -1142,6 +1142,9 @@ mknod(p, uap)
} else {
error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp,
&nd.ni_cnd, &vattr);
if (error == 0) {
vput(nd.ni_vp);
}
vput(nd.ni_dvp);
}
} else {
@ -1197,6 +1200,9 @@ mkfifo(p, uap)
vattr.va_mode = (SCARG(uap, mode) & ALLPERMS) &~ p->p_fd->fd_cmask;
VOP_LEASE(nd.ni_dvp, p, p->p_ucred, LEASE_WRITE);
error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, &vattr);
if (error == 0) {
vput(nd.ni_vp);
}
vput(nd.ni_dvp);
return (error);
}

View File

@ -109,7 +109,7 @@ vop_whiteout {
#
vop_mknod {
IN struct vnode *dvp;
OUT WILLRELE struct vnode **vpp;
OUT struct vnode **vpp;
IN struct componentname *cnp;
IN struct vattr *vap;
};

View File

@ -705,8 +705,7 @@ union_mknod(ap)
if ((dvp = union_lock_upper(dun, cnp->cn_proc)) != NULL) {
struct vnode *vp;
error = VOP_MKNOD(dvp, &vp, cnp, ap->a_vap);
/* vp is garbage whether an error occurs or not */
error = VOP_MKNOD(dvp, ap->a_vpp, cnp, ap->a_vap);
union_unlock_upper(dvp, cnp->cn_proc);
}
return (error);

View File

@ -68,11 +68,11 @@
* error occurs. If no error occurs, the VOP_*() routines only free
* the path component if SAVESTART is NOT set.
*
* Certain VOP calls (VOP_SYMLINK, VOP_MKNOD), lookup(), and namei()
* VOP_SYMLINK, lookup(), and namei()
* may return garbage in various structural fields/return elements
* if an error is returned, and may garbage up nd.ni_dvp even if no
* error is returned and you did not request LOCKPARENT or WANTPARENT.
* VOP_SYMLINK/VOP_MKNOD return garbage in their return vnode (i.e. not
* VOP_SYMLINK return garbage in its return vnode (i.e. not
* something we need to release) even if no error occurs. Our cleanup
* code is sensitive to garbage, so we have to carefully clear it out.
*
@ -1694,17 +1694,18 @@ nfsrv_create(nfsd, slp, procp, mrq)
vap->va_rdev = rdev;
nqsrv_getl(nd.ni_dvp, ND_WRITE);
/*
* VOP_MKNOD returns nd.ni_vp but already releases it,
* so we just NULL the pointer.
*/
error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap);
nd.ni_vp = NULL;
if (error) {
nd.ni_cnd.cn_flags &= ~HASBUF;
goto nfsmreply0;
}
/*
* release vp we do not use
*/
vput(nd.ni_vp);
nd.ni_vp = NULL;
/*
* release dvp prior to lookup
*/
@ -1906,18 +1907,18 @@ nfsrv_mknod(nfsd, slp, procp, mrq)
goto out;
nqsrv_getl(nd.ni_dvp, ND_WRITE);
/*
* VOP_MKNOD does not return a referenced or locked nd.ni_vp,
* but it may set it to (in my view) garbage.
*/
error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap);
nd.ni_vp = NULL;
if (error) {
nd.ni_cnd.cn_flags &= ~HASBUF;
goto out;
}
/*
* release vp we do not use
*/
vput(nd.ni_vp);
nd.ni_vp = NULL;
/*
* Release dvp prior to lookup
*/

View File

@ -68,11 +68,11 @@
* error occurs. If no error occurs, the VOP_*() routines only free
* the path component if SAVESTART is NOT set.
*
* Certain VOP calls (VOP_SYMLINK, VOP_MKNOD), lookup(), and namei()
* VOP_SYMLINK, lookup(), and namei()
* may return garbage in various structural fields/return elements
* if an error is returned, and may garbage up nd.ni_dvp even if no
* error is returned and you did not request LOCKPARENT or WANTPARENT.
* VOP_SYMLINK/VOP_MKNOD return garbage in their return vnode (i.e. not
* VOP_SYMLINK return garbage in its return vnode (i.e. not
* something we need to release) even if no error occurs. Our cleanup
* code is sensitive to garbage, so we have to carefully clear it out.
*
@ -1694,17 +1694,18 @@ nfsrv_create(nfsd, slp, procp, mrq)
vap->va_rdev = rdev;
nqsrv_getl(nd.ni_dvp, ND_WRITE);
/*
* VOP_MKNOD returns nd.ni_vp but already releases it,
* so we just NULL the pointer.
*/
error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap);
nd.ni_vp = NULL;
if (error) {
nd.ni_cnd.cn_flags &= ~HASBUF;
goto nfsmreply0;
}
/*
* release vp we do not use
*/
vput(nd.ni_vp);
nd.ni_vp = NULL;
/*
* release dvp prior to lookup
*/
@ -1906,18 +1907,18 @@ nfsrv_mknod(nfsd, slp, procp, mrq)
goto out;
nqsrv_getl(nd.ni_dvp, ND_WRITE);
/*
* VOP_MKNOD does not return a referenced or locked nd.ni_vp,
* but it may set it to (in my view) garbage.
*/
error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap);
nd.ni_vp = NULL;
if (error) {
nd.ni_cnd.cn_flags &= ~HASBUF;
goto out;
}
/*
* release vp we do not use
*/
vput(nd.ni_vp);
nd.ni_vp = NULL;
/*
* Release dvp prior to lookup
*/

View File

@ -223,14 +223,18 @@ ufs_mknod(ap)
ip->i_rdev = vap->va_rdev;
}
/*
* Remove inode so that it will be reloaded by VFS_VGET and
* Remove inode, then reload it through VFS_VGET so it is
* checked to see if it is an alias of an existing entry in
* the inode cache.
*/
vput(*vpp);
(*vpp)->v_type = VNON;
vgone(*vpp);
*vpp = 0;
error = VFS_VGET(ap->a_dvp->v_mount, ip->i_ino, vpp);
if (error) {
*vpp = NULL;
return (error);
}
return (0);
}