Add ioctl to set integrity

[cascardo/linux.git] / fs / cifs / smb2ops.c

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index b1e9c0f..df91bcf 100644 (file)
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -861,6 +861,28 @@ smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
                            cfile->fid.volatile_fid);
 }
 
+static int
+smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon,
+                  struct cifsFileInfo *cfile)
+{
+       struct fsctl_set_integrity_information_req integr_info;
+       char *retbuf = NULL;
+       unsigned int ret_data_len;
+
+       integr_info.ChecksumAlgorithm = cpu_to_le16(CHECKSUM_TYPE_UNCHANGED);
+       integr_info.Flags = 0;
+       integr_info.Reserved = 0;
+
+       return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
+                       cfile->fid.volatile_fid,
+                       FSCTL_SET_INTEGRITY_INFORMATION,
+                       true /* is_fsctl */, (char *)&integr_info,
+                       sizeof(struct fsctl_set_integrity_information_req),
+                       (char **)&retbuf,
+                       &ret_data_len);
+
+}
+
 static int
 smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
                     const char *path, struct cifs_sb_info *cifs_sb,
@@ -1671,6 +1693,7 @@ struct smb_version_operations smb30_operations = {
        .new_lease_key = smb2_new_lease_key,
        .generate_signingkey = generate_smb3signingkey,
        .calc_signature = smb3_calc_signature,
+       .set_integrity  = smb3_set_integrity,
        .is_read_op = smb21_is_read_op,
        .set_oplock_level = smb3_set_oplock_level,
        .create_lease_buf = smb3_create_lease_buf,
@@ -1756,6 +1779,7 @@ struct smb_version_operations smb311_operations = {
        .new_lease_key = smb2_new_lease_key,
        .generate_signingkey = generate_smb3signingkey,
        .calc_signature = smb3_calc_signature,
+       .set_integrity  = smb3_set_integrity,
        .is_read_op = smb21_is_read_op,
        .set_oplock_level = smb3_set_oplock_level,
        .create_lease_buf = smb3_create_lease_buf,