diff options
Diffstat (limited to 'fs/cifs/smb2file.c')
| -rw-r--r-- | fs/cifs/smb2file.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c index 2ab297dae5a7..f9e766f464be 100644 --- a/fs/cifs/smb2file.c +++ b/fs/cifs/smb2file.c @@ -43,6 +43,7 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms, struct smb2_file_all_info *smb2_data = NULL; __u8 smb2_oplock[17]; struct cifs_fid *fid = oparms->fid; + struct network_resiliency_req nr_ioctl_req; smb2_path = cifs_convert_path_to_utf16(oparms->path, oparms->cifs_sb); if (smb2_path == NULL) { @@ -67,6 +68,24 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms, if (rc) goto out; + + if (oparms->tcon->use_resilient) { + nr_ioctl_req.Timeout = 0; /* use server default (120 seconds) */ + nr_ioctl_req.Reserved = 0; + rc = SMB2_ioctl(xid, oparms->tcon, fid->persistent_fid, + fid->volatile_fid, FSCTL_LMR_REQUEST_RESILIENCY, true, + (char *)&nr_ioctl_req, sizeof(nr_ioctl_req), + NULL, NULL /* no return info */); + if (rc == -EOPNOTSUPP) { + cifs_dbg(VFS, + "resiliency not supported by server, disabling\n"); + oparms->tcon->use_resilient = false; + } else if (rc) + cifs_dbg(FYI, "error %d setting resiliency\n", rc); + + rc = 0; + } + if (buf) { /* open response does not have IndexNumber field - get it */ rc = SMB2_get_srv_num(xid, oparms->tcon, fid->persistent_fid, |