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-rw-r--r--fs/namespace.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index f8893dc..e42c9ab 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -275,7 +275,7 @@ int __mnt_is_readonly(struct vfsmount *mnt)
{
if (mnt->mnt_flags & MNT_READONLY)
return 1;
- if (mnt->mnt_sb->s_flags & MS_RDONLY)
+ if (sb_rdonly(mnt->mnt_sb))
return 1;
return 0;
}
@@ -1534,7 +1534,7 @@ static int do_umount(struct mount *mnt, int flags)
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
down_write(&sb->s_umount);
- if (!(sb->s_flags & MS_RDONLY))
+ if (!sb_rdonly(sb))
retval = do_remount_sb(sb, MS_RDONLY, NULL, 0);
up_write(&sb->s_umount);
return retval;
@@ -3300,7 +3300,7 @@ static bool mnt_already_visible(struct mnt_namespace *ns, struct vfsmount *new,
mnt_flags = mnt->mnt.mnt_flags;
/* Don't miss readonly hidden in the superblock flags */
- if (mnt->mnt.mnt_sb->s_flags & MS_RDONLY)
+ if (sb_rdonly(mnt->mnt.mnt_sb))
mnt_flags |= MNT_LOCK_READONLY;
/* Verify the mount flags are equal to or more permissive
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