/*
* smb_vop_rename()
*
* The rename is for files in the same tree (identical TID) only.
*/
int
smb_vop_rename(vnode_t *from_dvp, char *from_name, vnode_t *to_dvp,
char *to_name, int flags, cred_t *cr)
{
int error;
int option_flags = 0;
char *from, *to, *fbuf, *tbuf;
if (flags & SMB_IGNORE_CASE)
option_flags = FIGNORECASE;
if (flags & SMB_CATIA) {
tbuf = kmem_zalloc(MAXNAMELEN, KM_SLEEP);
to = smb_vop_catia_v5tov4(to_name, tbuf, MAXNAMELEN);
if (strchr(to, '/') != NULL) {
kmem_free(tbuf, MAXNAMELEN);
return (EILSEQ);
}
fbuf = kmem_zalloc(MAXNAMELEN, KM_SLEEP);
from = smb_vop_catia_v5tov4(from_name, fbuf, MAXNAMELEN);
error = VOP_RENAME(from_dvp, from, to_dvp, to, cr,
&smb_ct, option_flags);
kmem_free(tbuf, MAXNAMELEN);
kmem_free(fbuf, MAXNAMELEN);
return (error);
}
error = VOP_RENAME(from_dvp, from_name, to_dvp, to_name, cr,
&smb_ct, option_flags);
return (error);
}
STATIC int
linvfs_rename(
struct inode *odir,
struct dentry *odentry,
struct inode *ndir,
struct dentry *ndentry)
{
struct inode *new_inode = ndentry->d_inode;
vnode_t *fvp; /* from directory */
vnode_t *tvp; /* target directory */
int error;
fvp = LINVFS_GET_VP(odir);
tvp = LINVFS_GET_VP(ndir);
VOP_RENAME(fvp, odentry, tvp, ndentry, NULL, error);
if (error)
return -error;
if (new_inode)
validate_fields(new_inode);
validate_fields(odir);
if (ndir != odir)
validate_fields(ndir);
return 0;
}
static int
zfs_replay_rename(void *arg1, char *arg2, boolean_t byteswap)
{
zfsvfs_t *zfsvfs = (zfsvfs_t *)arg1;
lr_rename_t *lr = (lr_rename_t *)arg2;
char *sname = (char *)(lr + 1); /* sname and tname follow lr_rename_t */
char *tname = sname + strlen(sname) + 1;
znode_t *sdzp, *tdzp;
int error;
int vflg = 0;
if (byteswap)
byteswap_uint64_array(lr, sizeof (*lr));
if ((error = zfs_zget(zfsvfs, lr->lr_sdoid, &sdzp)) != 0)
return (error);
if ((error = zfs_zget(zfsvfs, lr->lr_tdoid, &tdzp)) != 0) {
VN_RELE(ZTOV(sdzp));
return (error);
}
if (lr->lr_common.lrc_txtype & TX_CI)
vflg |= FIGNORECASE;
error = VOP_RENAME(ZTOV(sdzp), sname, ZTOV(tdzp), tname, kcred,
NULL, vflg);
VN_RELE(ZTOV(tdzp));
VN_RELE(ZTOV(sdzp));
return (error);
}
/* Does most of the work for rename(). */
int
vfs_rename(char *oldpath, char *newpath)
{
struct vnode *olddir;
char oldname[NAME_MAX+1];
struct vnode *newdir;
char newname[NAME_MAX+1];
int result;
result = vfs_lookparent(oldpath, &olddir, oldname, sizeof(oldname));
if (result) {
return result;
}
result = vfs_lookparent(newpath, &newdir, newname, sizeof(newname));
if (result) {
VOP_DECREF(olddir);
return result;
}
if (olddir->vn_fs==NULL || newdir->vn_fs==NULL ||
olddir->vn_fs != newdir->vn_fs) {
VOP_DECREF(newdir);
VOP_DECREF(olddir);
return EXDEV;
}
result = VOP_RENAME(olddir, oldname, newdir, newname);
VOP_DECREF(newdir);
VOP_DECREF(olddir);
return result;
}
static int zfsfuse_rename(fuse_req_t req, fuse_ino_t parent, const char *name, fuse_ino_t newparent, const char *newname)
{
if(strlen(name) >= MAXNAMELEN)
return ENAMETOOLONG;
if(strlen(newname) >= MAXNAMELEN)
return ENAMETOOLONG;
vfs_t *vfs = (vfs_t *) fuse_req_userdata(req);
zfsvfs_t *zfsvfs = vfs->vfs_data;
ZFS_ENTER(zfsvfs);
znode_t *p_znode, *np_znode;
int error = zfs_zget(zfsvfs, parent, &p_znode, B_FALSE);
if(error) {
ZFS_EXIT(zfsvfs);
/* If the inode we are trying to get was recently deleted
dnode_hold_impl will return EEXIST instead of ENOENT */
return error == EEXIST ? ENOENT : error;
}
ASSERT(p_znode != NULL);
error = zfs_zget(zfsvfs, newparent, &np_znode, B_FALSE);
if(error) {
VN_RELE(ZTOV(p_znode));
ZFS_EXIT(zfsvfs);
/* If the inode we are trying to get was recently deleted
dnode_hold_impl will return EEXIST instead of ENOENT */
return error == EEXIST ? ENOENT : error;
}
ASSERT(np_znode != NULL);
vnode_t *p_vp = ZTOV(p_znode);
vnode_t *np_vp = ZTOV(np_znode);
ASSERT(p_vp != NULL);
ASSERT(np_vp != NULL);
cred_t cred;
zfsfuse_getcred(req, &cred);
error = VOP_RENAME(p_vp, (char *) name, np_vp, (char *) newname, &cred, NULL, 0);
VN_RELE(p_vp);
VN_RELE(np_vp);
ZFS_EXIT(zfsvfs);
return error;
}
int
RUMP_VOP_RENAME(struct vnode *fdvp,
struct vnode *fvp,
struct componentname *fcnp,
struct vnode *tdvp,
struct vnode *tvp,
struct componentname *tcnp)
{
int error;
rump_schedule();
error = VOP_RENAME(fdvp, fvp, fcnp, tdvp, tvp, tcnp);
rump_unschedule();
return error;
}
static int
xattr_dir_rename(vnode_t *sdvp, char *snm, vnode_t *tdvp, char *tnm,
cred_t *cr, caller_context_t *ct, int flags)
{
vnode_t *spvp, *tpvp;
int error;
if (is_sattr_name(snm) || is_sattr_name(tnm))
return (xattr_copy(sdvp, snm, tdvp, tnm, cr, ct));
/*
* We know that sdvp is a GFS dir, or we wouldn't be here.
* Get the real unnamed directory.
*/
error = xattr_dir_realdir(sdvp, &spvp, LOOKUP_XATTR, cr, ct);
if (error) {
return (error);
}
if (sdvp == tdvp) {
/*
* If the source and target are the same GFS directory, the
* underlying unnamed source and target dir will be the same.
*/
tpvp = spvp;
} else if (tdvp->v_flag & V_SYSATTR) {
/*
* If the target dir is a different GFS directory,
* find its underlying unnamed dir.
*/
error = xattr_dir_realdir(tdvp, &tpvp, LOOKUP_XATTR, cr, ct);
if (error) {
return (error);
}
} else {
/*
* Target dir is outside of GFS, pass it on through.
*/
tpvp = tdvp;
}
error = VOP_RENAME(spvp, snm, tpvp, tnm, cr, ct, flags);
return (error);
}
static int
zfs_replay_rename(zfsvfs_t *zfsvfs, lr_rename_t *lr, boolean_t byteswap)
{
char *sname = (char *)(lr + 1); /* sname and tname follow lr_rename_t */
char *tname = sname + strlen(sname) + 1;
znode_t *sdzp, *tdzp;
struct componentname scn, tcn;
vnode_t *svp, *tvp;
kthread_t *td = curthread;
int error;
int vflg = 0;
if (byteswap)
byteswap_uint64_array(lr, sizeof (*lr));
if ((error = zfs_zget(zfsvfs, lr->lr_sdoid, &sdzp)) != 0)
return (error);
if ((error = zfs_zget(zfsvfs, lr->lr_tdoid, &tdzp)) != 0) {
VN_RELE(ZTOV(sdzp));
return (error);
}
if (lr->lr_common.lrc_txtype & TX_CI)
vflg |= FIGNORECASE;
svp = tvp = NULL;
scn.cn_nameptr = sname;
scn.cn_namelen = strlen(sname);
scn.cn_nameiop = DELETE;
scn.cn_flags = ISLASTCN | SAVENAME;
scn.cn_lkflags = LK_EXCLUSIVE | LK_RETRY;
scn.cn_cred = kcred;
scn.cn_thread = td;
vn_lock(ZTOV(sdzp), LK_EXCLUSIVE | LK_RETRY);
error = VOP_LOOKUP(ZTOV(sdzp), &svp, &scn);
VOP_UNLOCK(ZTOV(sdzp), 0);
if (error != 0)
goto fail;
VOP_UNLOCK(svp, 0);
tcn.cn_nameptr = tname;
tcn.cn_namelen = strlen(tname);
tcn.cn_nameiop = RENAME;
tcn.cn_flags = ISLASTCN | SAVENAME;
tcn.cn_lkflags = LK_EXCLUSIVE | LK_RETRY;
tcn.cn_cred = kcred;
tcn.cn_thread = td;
vn_lock(ZTOV(tdzp), LK_EXCLUSIVE | LK_RETRY);
error = VOP_LOOKUP(ZTOV(tdzp), &tvp, &tcn);
if (error == EJUSTRETURN)
tvp = NULL;
else if (error != 0) {
VOP_UNLOCK(ZTOV(tdzp), 0);
goto fail;
}
error = VOP_RENAME(ZTOV(sdzp), svp, &scn, ZTOV(tdzp), tvp, &tcn /*,vflg*/);
return (error);
fail:
if (svp != NULL)
vrele(svp);
if (tvp != NULL)
vrele(tvp);
VN_RELE(ZTOV(tdzp));
VN_RELE(ZTOV(sdzp));
return (error);
}
static int
unionfs_rename(void *v)
{
struct vop_rename_args *ap = v;
int error;
struct vnode *fdvp;
struct vnode *fvp;
struct componentname *fcnp;
struct vnode *tdvp;
struct vnode *tvp;
struct componentname *tcnp;
struct vnode *ltdvp;
struct vnode *ltvp;
/* rename target vnodes */
struct vnode *rfdvp;
struct vnode *rfvp;
struct vnode *rtdvp;
struct vnode *rtvp;
int needrelookup;
struct unionfs_mount *ump;
struct unionfs_node *unp;
UNIONFS_INTERNAL_DEBUG("unionfs_rename: enter\n");
error = 0;
fdvp = ap->a_fdvp;
fvp = ap->a_fvp;
fcnp = ap->a_fcnp;
tdvp = ap->a_tdvp;
tvp = ap->a_tvp;
tcnp = ap->a_tcnp;
ltdvp = NULLVP;
ltvp = NULLVP;
rfdvp = fdvp;
rfvp = fvp;
rtdvp = tdvp;
rtvp = tvp;
needrelookup = 0;
/* check for cross device rename */
if (fvp->v_mount != tdvp->v_mount ||
(tvp != NULLVP && fvp->v_mount != tvp->v_mount)) {
error = EXDEV;
goto unionfs_rename_abort;
}
/* Renaming a file to itself has no effect. */
if (fvp == tvp)
goto unionfs_rename_abort;
/*
* from/to vnode is unionfs node.
*/
unp = VTOUNIONFS(fdvp);
#ifdef UNIONFS_IDBG_RENAME
UNIONFS_INTERNAL_DEBUG("fdvp=%p, ufdvp=%p, lfdvp=%p\n", fdvp, unp->un_uppervp, unp->un_lowervp);
#endif
if (unp->un_uppervp == NULLVP) {
error = ENODEV;
goto unionfs_rename_abort;
}
rfdvp = unp->un_uppervp;
vref(rfdvp);
unp = VTOUNIONFS(fvp);
#ifdef UNIONFS_IDBG_RENAME
UNIONFS_INTERNAL_DEBUG("fvp=%p, ufvp=%p, lfvp=%p\n", fvp, unp->un_uppervp, unp->un_lowervp);
#endif
ump = MOUNTTOUNIONFSMOUNT(fvp->v_mount);
if (unp->un_uppervp == NULLVP) {
switch (fvp->v_type) {
case VREG:
if ((error = vn_lock(fvp, LK_EXCLUSIVE)) != 0)
goto unionfs_rename_abort;
error = unionfs_copyfile(unp, 1, fcnp->cn_cred);
VOP_UNLOCK(fvp);
if (error != 0)
goto unionfs_rename_abort;
break;
case VDIR:
if ((error = vn_lock(fvp, LK_EXCLUSIVE)) != 0)
goto unionfs_rename_abort;
error = unionfs_mkshadowdir(ump, rfdvp, unp, fcnp);
VOP_UNLOCK(fvp);
if (error != 0)
goto unionfs_rename_abort;
break;
default:
error = ENODEV;
goto unionfs_rename_abort;
}
needrelookup = 1;
}
if (unp->un_lowervp != NULLVP)
fcnp->cn_flags |= DOWHITEOUT;
rfvp = unp->un_uppervp;
vref(rfvp);
unp = VTOUNIONFS(tdvp);
#ifdef UNIONFS_IDBG_RENAME
UNIONFS_INTERNAL_DEBUG("tdvp=%p, utdvp=%p, ltdvp=%p\n", tdvp, unp->un_uppervp, unp->un_lowervp);
#endif
if (unp->un_uppervp == NULLVP) {
error = ENODEV;
goto unionfs_rename_abort;
}
rtdvp = unp->un_uppervp;
ltdvp = unp->un_lowervp;
vref(rtdvp);
if (tdvp == tvp) {
rtvp = rtdvp;
vref(rtvp);
} else if (tvp != NULLVP) {
unp = VTOUNIONFS(tvp);
#ifdef UNIONFS_IDBG_RENAME
UNIONFS_INTERNAL_DEBUG("tvp=%p, utvp=%p, ltvp=%p\n", tvp, unp->un_uppervp, unp->un_lowervp);
#endif
if (unp->un_uppervp == NULLVP)
rtvp = NULLVP;
else {
if (tvp->v_type == VDIR) {
error = EINVAL;
goto unionfs_rename_abort;
}
rtvp = unp->un_uppervp;
ltvp = unp->un_lowervp;
vref(rtvp);
}
}
if (needrelookup != 0) {
if ((error = vn_lock(fdvp, LK_EXCLUSIVE)) != 0)
goto unionfs_rename_abort;
error = unionfs_relookup_for_delete(fdvp, fcnp);
VOP_UNLOCK(fdvp);
if (error != 0)
goto unionfs_rename_abort;
/* Locke of tvp is canceled in order to avoid recursive lock. */
if (tvp != NULLVP && tvp != tdvp)
VOP_UNLOCK(tvp);
error = unionfs_relookup_for_rename(tdvp, tcnp);
if (tvp != NULLVP && tvp != tdvp)
vn_lock(tvp, LK_EXCLUSIVE | LK_RETRY);
if (error != 0)
goto unionfs_rename_abort;
}
error = VOP_RENAME(rfdvp, rfvp, fcnp, rtdvp, rtvp, tcnp);
if (error == 0) {
if (rtvp != NULLVP && rtvp->v_type == VDIR)
cache_purge(tdvp);
if (fvp->v_type == VDIR && fdvp != tdvp)
cache_purge(fdvp);
}
if (fdvp != rfdvp)
vrele(fdvp);
if (fvp != rfvp)
vrele(fvp);
if (ltdvp != NULLVP)
VOP_UNLOCK(ltdvp);
if (tdvp != rtdvp)
vrele(tdvp);
if (ltvp != NULLVP)
VOP_UNLOCK(ltvp);
if (tvp != rtvp && tvp != NULLVP) {
if (rtvp == NULLVP)
vput(tvp);
else
vrele(tvp);
}
UNIONFS_INTERNAL_DEBUG("unionfs_rename: leave (%d)\n", error);
return (error);
unionfs_rename_abort:
if (fdvp != rfdvp)
vrele(rfdvp);
if (fvp != rfvp)
vrele(rfvp);
if (tdvp != rtdvp)
vrele(rtdvp);
vput(tdvp);
if (tvp != rtvp && rtvp != NULLVP)
vrele(rtvp);
if (tvp != NULLVP) {
if (tdvp != tvp)
vput(tvp);
else
vrele(tvp);
}
vrele(fdvp);
vrele(fvp);
UNIONFS_INTERNAL_DEBUG("unionfs_rename: leave (%d)\n", error);
return (error);
}
static int
auto_rename(
vnode_t *odvp,
char *onm,
vnode_t *ndvp,
char *nnm,
cred_t *cr,
caller_context_t *ct,
int flags)
{
vnode_t *o_newvp, *n_newvp;
int error;
AUTOFS_DPRINT((4, "auto_rename odvp %p onm %s to ndvp %p nnm %s\n",
(void *)odvp, onm, (void *)ndvp, nnm));
/*
* we know odvp is an autonode, otherwise this function
* could not have ever been called.
*/
ASSERT(vn_matchops(odvp, auto_vnodeops));
if (error = auto_trigger_mount(odvp, cr, &o_newvp))
goto done;
if (o_newvp == NULL) {
/*
* can't rename an autonode
*/
error = ENOSYS;
goto done;
}
if (vn_matchops(ndvp, auto_vnodeops)) {
/*
* directory is AUTOFS, need to trigger the
* mount of the real filesystem.
*/
if (error = auto_trigger_mount(ndvp, cr, &n_newvp)) {
VN_RELE(o_newvp);
goto done;
}
if (n_newvp == NULL) {
/*
* target can't be an autonode
*/
error = ENOSYS;
VN_RELE(o_newvp);
goto done;
}
} else {
/*
* destination directory mount had been
* triggered prior to the call to this function.
*/
n_newvp = ndvp;
}
ASSERT(!vn_matchops(n_newvp, auto_vnodeops));
if (vn_is_readonly(n_newvp)) {
error = EROFS;
VN_RELE(o_newvp);
if (n_newvp != ndvp)
VN_RELE(n_newvp);
goto done;
}
error = VOP_RENAME(o_newvp, onm, n_newvp, nnm, cr, ct, flags);
VN_RELE(o_newvp);
if (n_newvp != ndvp)
VN_RELE(n_newvp);
done:
AUTOFS_DPRINT((5, "auto_rename error=%d\n", error));
return (error);
}
/*
* union_rename(struct vnode *a_fdvp, struct vnode *a_fvp,
* struct componentname *a_fcnp, struct vnode *a_tdvp,
* struct vnode *a_tvp, struct componentname *a_tcnp)
*/
static int
union_rename(struct vop_old_rename_args *ap)
{
int error;
struct vnode *fdvp = ap->a_fdvp;
struct vnode *fvp = ap->a_fvp;
struct vnode *tdvp = ap->a_tdvp;
struct vnode *tvp = ap->a_tvp;
/*
* Figure out what fdvp to pass to our upper or lower vnode. If we
* replace the fdvp, release the original one and ref the new one.
*/
if (fdvp->v_tag == VT_UNION) { /* always true */
struct union_node *un = VTOUNION(fdvp);
if (un->un_uppervp == NULLVP) {
/*
* this should never happen in normal
* operation but might if there was
* a problem creating the top-level shadow
* directory.
*/
error = EXDEV;
goto bad;
}
fdvp = un->un_uppervp;
vref(fdvp);
vrele(ap->a_fdvp);
}
/*
* Figure out what fvp to pass to our upper or lower vnode. If we
* replace the fvp, release the original one and ref the new one.
*/
if (fvp->v_tag == VT_UNION) { /* always true */
struct union_node *un = VTOUNION(fvp);
#if 0
struct union_mount *um = MOUNTTOUNIONMOUNT(fvp->v_mount);
#endif
if (un->un_uppervp == NULLVP) {
switch(fvp->v_type) {
case VREG:
vn_lock(un->un_vnode, LK_EXCLUSIVE | LK_RETRY);
error = union_copyup(un, 1, ap->a_fcnp->cn_cred, ap->a_fcnp->cn_td);
vn_unlock(un->un_vnode);
if (error)
goto bad;
break;
case VDIR:
/*
* XXX not yet.
*
* There is only one way to rename a directory
* based in the lowervp, and that is to copy
* the entire directory hierarchy. Otherwise
* it would not last across a reboot.
*/
#if 0
vrele(fvp);
fvp = NULL;
vn_lock(fdvp, LK_EXCLUSIVE | LK_RETRY);
error = union_mkshadow(um, fdvp,
ap->a_fcnp, &un->un_uppervp);
vn_unlock(fdvp);
if (un->un_uppervp)
vn_unlock(un->un_uppervp);
if (error)
goto bad;
break;
#endif
default:
error = EXDEV;
goto bad;
}
}
if (un->un_lowervp != NULLVP)
ap->a_fcnp->cn_flags |= CNP_DOWHITEOUT;
fvp = un->un_uppervp;
vref(fvp);
vrele(ap->a_fvp);
}
/*
* Figure out what tdvp (destination directory) to pass to the
* lower level. If we replace it with uppervp, we need to vput the
* old one. The exclusive lock is transfered to what we will pass
* down in the VOP_RENAME and we replace uppervp with a simple
* reference.
*/
if (tdvp->v_tag == VT_UNION) {
struct union_node *un = VTOUNION(tdvp);
if (un->un_uppervp == NULLVP) {
/*
* this should never happen in normal
* operation but might if there was
* a problem creating the top-level shadow
* directory.
*/
error = EXDEV;
goto bad;
}
/*
* new tdvp is a lock and reference on uppervp, put away
* the old tdvp.
*/
tdvp = union_lock_upper(un, ap->a_tcnp->cn_td);
vput(ap->a_tdvp);
}
/*
* Figure out what tvp (destination file) to pass to the
* lower level.
*
* If the uppervp file does not exist put away the (wrong)
* file and change tvp to NULL.
*/
if (tvp != NULLVP && tvp->v_tag == VT_UNION) {
struct union_node *un = VTOUNION(tvp);
tvp = union_lock_upper(un, ap->a_tcnp->cn_td);
vput(ap->a_tvp);
/* note: tvp may be NULL */
}
/*
* VOP_RENAME releases/vputs prior to returning, so we have no
* cleanup to do.
*/
return (VOP_RENAME(fdvp, fvp, ap->a_fcnp, tdvp, tvp, ap->a_tcnp));
/*
* Error. We still have to release / vput the various elements.
*/
bad:
vrele(fdvp);
if (fvp)
vrele(fvp);
vput(tdvp);
if (tvp != NULLVP) {
if (tvp != tdvp)
vput(tvp);
else
vrele(tvp);
}
return (error);
}
/*
* Creates the fs cache directory.
* The directory name is the ascii version of the fsid.
* Also makes a symlink to the directory using the specified name.
*/
int
fscdir_create(cachefscache_t *cachep, char *namep, fscache_t *fscp)
{
int error;
vnode_t *fscdirvp = NULL;
vnode_t *infovp = NULL;
vnode_t *attrvp = NULL;
struct vattr *attrp = (struct vattr *)NULL;
char name[CFS_FRONTFILE_NAME_SIZE];
int files;
int blocks = 0;
cfs_cid_t cid;
ino64_t fsid;
ASSERT(MUTEX_HELD(&cachep->c_fslistlock));
ASSERT(fscp->fs_infovp == NULL);
ASSERT(fscp->fs_fscdirvp == NULL);
ASSERT(fscp->fs_fsattrdir == NULL);
/* directory, symlink and options file + attrcache dir */
files = 0;
while (files < 4) {
error = cachefs_allocfile(cachep);
if (error)
goto out;
files++;
}
error = cachefs_allocblocks(cachep, 4, CACHEFS_RL_NONE);
if (error)
goto out;
blocks = 4;
attrp = cachefs_kmem_alloc(sizeof (struct vattr), KM_SLEEP);
attrp->va_mode = S_IFDIR | 0777;
attrp->va_uid = 0;
attrp->va_gid = 0;
attrp->va_type = VDIR;
attrp->va_mask = AT_TYPE | AT_MODE | AT_UID | AT_GID;
error = VOP_MKDIR(cachep->c_dirvp, namep, attrp, &fscdirvp, kcred,
NULL, 0, NULL);
if (error) {
cmn_err(CE_WARN, "Can't create fs cache directory");
goto out;
}
/*
* Created the directory. Get the fileno. That'll be the cachefs_fsid.
*/
attrp->va_mask = AT_NODEID;
error = VOP_GETATTR(fscdirvp, attrp, 0, kcred, NULL);
if (error) {
goto out;
}
fsid = attrp->va_nodeid;
attrp->va_mode = S_IFREG | 0666;
attrp->va_uid = 0;
attrp->va_gid = 0;
attrp->va_type = VREG;
attrp->va_mask = AT_TYPE | AT_MODE | AT_UID | AT_GID;
error = VOP_CREATE(fscdirvp, CACHEFS_FSINFO, attrp, EXCL,
0600, &infovp, kcred, 0, NULL, NULL);
if (error) {
cmn_err(CE_WARN, "Can't create fs option file");
goto out;
}
attrp->va_size = MAXBSIZE;
attrp->va_mask = AT_SIZE;
error = VOP_SETATTR(infovp, attrp, 0, kcred, NULL);
if (error) {
cmn_err(CE_WARN, "Can't set size of fsinfo file");
goto out;
}
/* write out the info file */
fscp->fs_flags |= CFS_FS_DIRTYINFO;
error = fscache_info_sync(fscp);
if (error)
goto out;
/*
* Install the symlink from cachefs_fsid -> directory.
*/
cid.cid_flags = 0;
cid.cid_fileno = fsid;
make_ascii_name(&cid, name);
error = VOP_RENAME(cachep->c_dirvp, namep, cachep->c_dirvp,
name, kcred, NULL, 0);
if (error) {
cmn_err(CE_WARN, "Can't rename cache directory");
goto out;
}
attrp->va_mask = AT_MODE | AT_TYPE;
attrp->va_mode = 0777;
attrp->va_type = VLNK;
error = VOP_SYMLINK(cachep->c_dirvp, namep, attrp, name, kcred, NULL,
0);
if (error) {
cmn_err(CE_WARN, "Can't create cache directory symlink");
goto out;
}
/*
* Finally, make the attrcache directory
*/
attrp->va_mode = S_IFDIR | 0777;
attrp->va_uid = 0;
attrp->va_gid = 0;
attrp->va_type = VDIR;
attrp->va_mask = AT_TYPE | AT_MODE | AT_UID | AT_GID;
error = VOP_MKDIR(fscdirvp, ATTRCACHE_NAME, attrp, &attrvp, kcred, NULL,
0, NULL);
if (error) {
cmn_err(CE_WARN, "Can't create attrcache dir for fscache");
goto out;
}
mutex_enter(&fscp->fs_fslock);
fscp->fs_cfsid = fsid;
fscp->fs_fscdirvp = fscdirvp;
fscp->fs_fsattrdir = attrvp;
fscp->fs_infovp = infovp;
mutex_exit(&fscp->fs_fslock);
out:
if (error) {
while (files-- > 0)
cachefs_freefile(cachep);
if (fscdirvp)
VN_RELE(fscdirvp);
if (blocks)
cachefs_freeblocks(cachep, blocks, CACHEFS_RL_NONE);
if (attrvp)
VN_RELE(attrvp);
if (infovp)
VN_RELE(infovp);
}
if (attrp)
cachefs_kmem_free(attrp, sizeof (struct vattr));
return (error);
}