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    Push lock_super() into the ->remount_fs() of filesystems that care about it · bbd6851a
    Al Viro 提交于
    Note that since we can't run into contention between remount_fs and write_super
    (due to exclusion on s_umount), we have to care only about filesystems that
    touch lock_super() on their own.  Out of those ext3, ext4, hpfs, sysv and ufs
    do need it; fat doesn't since its ->remount_fs() only accesses assign-once
    data (basically, it's "we have no atime on directories and only have atime on
    files for vfat; force nodiratime and possibly noatime into *flags").
    
    [folded a build fix from hch]
    Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
    bbd6851a
super.c 43.7 KB