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SMB3: Honor 'posix' flag for multiuser mounts

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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: ce558b0e17 ("smb3: Add posix create context for smb3.11 posix mounts")
Fixes: b326614ea2 ("smb3: allow "posix" mount option to enable new SMB311 protocol extensions")
Signed-off-by: Paul Aurich <paul@darkrain42.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
This commit is contained in:
Paul Aurich 2020-06-26 12:58:09 -07:00 committed by Steve French
parent 6b356f6cf9
commit 5391b8e1b7
1 changed files with 1 additions and 4 deletions
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5
fs/cifs/connect.c
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@ -5311,6 +5311,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
vol_info->persistent = master_tcon->use_persistent;
vol_info->handle_timeout = master_tcon->handle_timeout;
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;
vol_info->seal = master_tcon->seal;
@ -5339,10 +5340,6 @@ 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);