int ftruncate(int fd, off_t len)
{
if (nfs_fd_list[fd].is_nfs == 1) {
int ret;
LD_NFS_DPRINTF(9, "ftruncate(%d, %d)", fd, (int)len);
if ((ret = nfs_ftruncate(nfs_fd_list[fd].nfs,
nfs_fd_list[fd].fh,
len)) < 0) {
errno = -ret;
return -1;
}
return 0;
}
return real_ftruncate(fd, len);
}
static void workspace_nfs_fsetattr(fuse_req_t req, struct workspace_fh_struct *fh, struct stat *st, int toset)
{
struct resource_struct *resource=fh->object->resource;
struct net_nfs_export_struct *nfs_export=(struct net_nfs_export_struct *) resource->data;
struct nfs_context *nfs_ctx=(struct nfs_context *) nfs_export->data;
struct nfsfh *nfsfh=(struct nfsfh *) fh->handle.data;
int result=0;
struct inode_struct *inode=fh->entry->inode;
logoutput("workspace_nfs_fsetattr");
if (toset & FUSE_SET_ATTR_MODE) {
pthread_mutex_lock(&nfs_export->mutex);
result=nfs_fchmod(nfs_ctx, nfsfh, st->st_mode);
pthread_mutex_unlock(&nfs_export->mutex);
if (result<0) {
fuse_reply_err(req, -result);
return;
} else {
inode->mode=st->st_mode;
}
}
if (toset & (FUSE_SET_ATTR_UID | FUSE_SET_ATTR_GID)) {
uid_t uid=inode->uid;
gid_t gid=inode->gid;
if (toset & FUSE_SET_ATTR_UID) uid=st->st_uid;
if (toset & FUSE_SET_ATTR_GID) gid=st->st_gid;
pthread_mutex_lock(&nfs_export->mutex);
result=nfs_fchown(nfs_ctx, nfsfh, uid, gid);
pthread_mutex_unlock(&nfs_export->mutex);
if (result<0) {
fuse_reply_err(req, -result);
return;
} else {
if (toset & FUSE_SET_ATTR_UID) {
inode->uid=st->st_uid;
} else {
st->st_uid=inode->uid;
}
if (toset & FUSE_SET_ATTR_GID) {
inode->gid=st->st_gid;
} else {
st->st_gid=inode->gid;
}
}
}
if (toset & FUSE_SET_ATTR_SIZE) {
pthread_mutex_lock(&nfs_export->mutex);
result=nfs_ftruncate(nfs_ctx, nfsfh, st->st_size);
pthread_mutex_unlock(&nfs_export->mutex);
if (result<0) {
fuse_reply_err(req, -result);
return;
} else {
inode->size=st->st_size;
}
}
if (toset & (FUSE_SET_ATTR_ATIME | FUSE_SET_ATTR_MTIME)) {
logoutput("workspace_mfs_fsetattr: setting times through filehandle not supported yet");
}
out:
st->st_dev=0;
st->st_ino=inode->ino;
st->st_mode=inode->mode;
st->st_nlink=inode->nlink;
st->st_uid=inode->uid;
st->st_gid=inode->gid;
st->st_rdev=inode->rdev;
st->st_size=inode->size;
st->st_blksize=_DEFAULT_BLOCKSIZE;
if (inode->size % st->st_blksize == 0) {
st->st_blocks = inode->size / st->st_blksize;
} else {
st->st_blocks = 1 + inode->size / st->st_blksize;
}
memcpy(&st->st_mtim, &inode->mtim, sizeof(struct timespec));
memcpy(&st->st_ctim, &inode->ctim, sizeof(struct timespec));
st->st_atim.tv_sec=0;
st->st_atim.tv_nsec=0;
fuse_reply_attr(req, st, fs_options.attr_timeout);
}
