CIFS: Show backupuid/gid in /proc/mounts

Show  backupuid/backupgid in /proc/mounts for cifs shares mounted with
the backupuid/backupgid feature.

Also consolidate the two separate checks for
pvolume_info->backupuid_specified into a single if condition in
cifs_setup_cifs_sb().

Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

2 files changed, 10 insertions, 6 deletions

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index d34212822444..ea8eb92b65b4 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -434,6 +434,10 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
                 seq_printf(s, ",noperm");
         if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO)
                 seq_printf(s, ",strictcache");
+        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPUID)
+                seq_printf(s, ",backupuid=%u", cifs_sb->mnt_backupuid);
+        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPGID)
+                seq_printf(s, ",backupgid=%u", cifs_sb->mnt_backupgid);
 
         seq_printf(s, ",rsize=%d", cifs_sb->rsize);
         seq_printf(s, ",wsize=%d", cifs_sb->wsize);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index f31dc9ac37b7..f4d381e331ce 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3228,10 +3228,6 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
 
         cifs_sb->mnt_uid = pvolume_info->linux_uid;
         cifs_sb->mnt_gid = pvolume_info->linux_gid;
-        if (pvolume_info->backupuid_specified)
-                cifs_sb->mnt_backupuid = pvolume_info->backupuid;
-        if (pvolume_info->backupgid_specified)
-                cifs_sb->mnt_backupgid = pvolume_info->backupgid;
         cifs_sb->mnt_file_mode = pvolume_info->file_mode;
         cifs_sb->mnt_dir_mode = pvolume_info->dir_mode;
         cFYI(1, "file mode: 0x%hx  dir mode: 0x%hx",
@@ -3262,10 +3258,14 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
                 cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_RWPIDFORWARD;
         if (pvolume_info->cifs_acl)
                 cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL;
-        if (pvolume_info->backupuid_specified)
+        if (pvolume_info->backupuid_specified) {
                 cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPUID;
-        if (pvolume_info->backupgid_specified)
+                cifs_sb->mnt_backupuid = pvolume_info->backupuid;
+        }
+        if (pvolume_info->backupgid_specified) {
                 cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPGID;
+                cifs_sb->mnt_backupgid = pvolume_info->backupgid;
+        }
         if (pvolume_info->override_uid)
                 cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_UID;
         if (pvolume_info->override_gid)