FADVISE_MODIFIABLE_BITS 104 fs/f2fs/xattr.c if (new_advise & ~FADVISE_MODIFIABLE_BITS) FADVISE_MODIFIABLE_BITS 107 fs/f2fs/xattr.c new_advise = new_advise & FADVISE_MODIFIABLE_BITS; FADVISE_MODIFIABLE_BITS 108 fs/f2fs/xattr.c new_advise |= old_advise & ~FADVISE_MODIFIABLE_BITS;