diff options
| author | Steve French <stfrench@microsoft.com> | 2022-02-07 01:59:57 +0100 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2022-02-07 01:59:57 +0100 |
| commit | d0cbe56a7d5ac170f6cf3757ef5a14dd854e7da9 (patch) | |
| tree | f49dba3d86fd748944cade6ee5b2e0b37a9c6613 /fs/cifs/connect.c | |
| parent | Linux 5.17-rc3 (diff) | |
| download | linux-d0cbe56a7d5ac170f6cf3757ef5a14dd854e7da9.tar.xz linux-d0cbe56a7d5ac170f6cf3757ef5a14dd854e7da9.zip | |
[smb3] improve error message when mount options conflict with posix
POSIX extensions require SMB3.1.1 (so improve the error
message when vers=3.0, 2.1 or 2.0 is specified on mount)
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/connect.c')
| -rw-r--r-- | fs/cifs/connect.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 0b742bd50642..cff6c01feae2 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2340,10 +2340,19 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx) if (ses->server->posix_ext_supported) { tcon->posix_extensions = true; pr_warn_once("SMB3.11 POSIX Extensions are experimental\n"); - } else { + } else if ((ses->server->vals->protocol_id == SMB311_PROT_ID) || + (strcmp(ses->server->vals->version_string, + SMB3ANY_VERSION_STRING) == 0) || + (strcmp(ses->server->vals->version_string, + SMBDEFAULT_VERSION_STRING) == 0)) { cifs_dbg(VFS, "Server does not support mounting with posix SMB3.11 extensions\n"); rc = -EOPNOTSUPP; goto out_fail; + } else { + cifs_dbg(VFS, "Check vers= mount option. SMB3.11 " + "disabled but required for POSIX extensions\n"); + rc = -EOPNOTSUPP; + goto out_fail; } } |