nfsd: vfs_llseek() with 32 or 64 bit offsets (hashes)

[pandora-kernel.git] / fs / nfsd / vfs.c

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 3a80c40..61b697e 100644 (file)
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -786,9 +786,15 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
        if (IS_ERR(*filp)) {
                host_err = PTR_ERR(*filp);
                *filp = NULL;
-       } else
+       } else {
                host_err = ima_file_check(*filp, may_flags);
 
+               if (may_flags & NFSD_MAY_64BIT_COOKIE)
+                       (*filp)->f_mode |= FMODE_64BITHASH;
+               else
+                       (*filp)->f_mode |= FMODE_32BITHASH;
+       }
+
 out_nfserr:
        err = nfserrno(host_err);
 out:
@@ -2018,8 +2024,13 @@ nfsd_readdir(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t *offsetp,
        __be32          err;
        struct file     *file;
        loff_t          offset = *offsetp;
+       int             may_flags = NFSD_MAY_READ;
+
+       /* NFSv2 only supports 32 bit cookies */
+       if (rqstp->rq_vers > 2)
+               may_flags |= NFSD_MAY_64BIT_COOKIE;
 
-       err = nfsd_open(rqstp, fhp, S_IFDIR, NFSD_MAY_READ, &file);
+       err = nfsd_open(rqstp, fhp, S_IFDIR, may_flags, &file);
        if (err)
                goto out;