err = 0;
switch (type) {
case S_IFREG:
+ host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ if (host_err)
+ goto out_nfserr;
host_err = vfs_create(dirp, dchild, iap->ia_mode, NULL);
break;
case S_IFDIR:
+ host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ if (host_err)
+ goto out_nfserr;
host_err = vfs_mkdir(dirp, dchild, iap->ia_mode);
break;
case S_IFCHR:
case S_IFBLK:
case S_IFIFO:
case S_IFSOCK:
+ host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ if (host_err)
+ goto out_nfserr;
host_err = vfs_mknod(dirp, dchild, iap->ia_mode, rdev);
break;
default:
printk("nfsd: bad file type %o in nfsd_create\n", type);
host_err = -EINVAL;
+ goto out_nfserr;
}
- if (host_err < 0)
+ if (host_err < 0) {
+ mnt_drop_write(fhp->fh_export->ex_path.mnt);
goto out_nfserr;
+ }
if (EX_ISSYNC(fhp->fh_export)) {
err = nfserrno(nfsd_sync_dir(dentry));
err2 = nfsd_create_setattr(rqstp, resfhp, iap);
if (err2)
err = err2;
+ mnt_drop_write(fhp->fh_export->ex_path.mnt);
/*
* Update the file handle to get the new inode info.
*/
v_atime = verifier[1]&0x7fffffff;
}
+ host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ if (host_err)
+ goto out_nfserr;
if (dchild->d_inode) {
err = 0;
case NFS3_CREATE_GUARDED:
err = nfserr_exist;
}
+ mnt_drop_write(fhp->fh_export->ex_path.mnt);
goto out;
}
host_err = vfs_create(dirp, dchild, iap->ia_mode, NULL);
- if (host_err < 0)
+ if (host_err < 0) {
+ mnt_drop_write(fhp->fh_export->ex_path.mnt);
goto out_nfserr;
+ }
if (created)
*created = 1;
if (err2)
err = err2;
+ mnt_drop_write(fhp->fh_export->ex_path.mnt);
/*
* Update the filehandle to get the new inode info.
*/
if (!type)
type = rdentry->d_inode->i_mode & S_IFMT;
+ host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ if (host_err)
+ goto out_nfserr;
+
if (type != S_IFDIR) { /* It's UNLINK */
#ifdef MSNFS
if ((fhp->fh_export->ex_flags & NFSEXP_MSNFS) &&
dput(rdentry);
if (host_err)
- goto out_nfserr;
+ goto out_drop;
if (EX_ISSYNC(fhp->fh_export))
host_err = nfsd_sync_dir(dentry);
+out_drop:
+ mnt_drop_write(fhp->fh_export->ex_path.mnt);
out_nfserr:
err = nfserrno(host_err);
out: