From: Paul Aurich <p...@darkrain42.org>

[ Upstream commit 5391b8e1b7b7e5cfa2dd4ffdc4b8c6b64dfd1866 ]

The flag from the primary tcon needs to be copied into the volume info
so that cifs_get_tcon will try to enable extensions on the per-user
tcon. At that point, since posix extensions must have already been
enabled on the superblock, don't try to needlessly adjust the mount
flags.

Fixes: ce558b0e17f8 ("smb3: Add posix create context for smb3.11 posix mounts")
Fixes: b326614ea215 ("smb3: allow "posix" mount option to enable new SMB311 
protocol extensions")
Signed-off-by: Paul Aurich <p...@darkrain42.org>
Signed-off-by: Steve French <stfre...@microsoft.com>
Reviewed-by: Aurelien Aptel <aap...@suse.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 fs/cifs/connect.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 947c4aad5d6a4..134a90dc72322 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -5282,6 +5282,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t 
fsuid)
        vol_info->nohandlecache = master_tcon->nohandlecache;
        vol_info->local_lease = master_tcon->local_lease;
        vol_info->no_linux_ext = !master_tcon->unix_ext;
+       vol_info->linux_ext = master_tcon->posix_extensions;
        vol_info->sectype = master_tcon->ses->sectype;
        vol_info->sign = master_tcon->ses->sign;
 
@@ -5309,10 +5310,6 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t 
fsuid)
                goto out;
        }
 
-       /* if new SMB3.11 POSIX extensions are supported do not remap / and \ */
-       if (tcon->posix_extensions)
-               cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_POSIX_PATHS;
-
        if (cap_unix(ses))
                reset_cifs_unix_caps(0, tcon, NULL, vol_info);
 
-- 
2.25.1



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