Message ID | 1387293974-24718-17-git-send-email-quintela@redhat.com |
---|---|
State | New |
Headers | show |
On 12/17/2013 05:25 PM, Juan Quintela wrote: > Signed-off-by: Juan Quintela <quintela@redhat.com> > Reviewed-by: Eric Blake <eblake@redhat.com> > --- > include/qemu/bitmap.h | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/include/qemu/bitmap.h b/include/qemu/bitmap.h > index afdd257..1babd5d 100644 > --- a/include/qemu/bitmap.h > +++ b/include/qemu/bitmap.h > @@ -220,4 +220,13 @@ unsigned long bitmap_find_next_zero_area(unsigned long *map, > unsigned long nr, > unsigned long align_mask); > > +static inline unsigned long *bitmap_zero_extend(unsigned long *old, > + long old_nbits, long new_nbits) > +{ > + long new_len = BITS_TO_LONGS(new_nbits) * sizeof(unsigned long); > + unsigned long *new = g_realloc(old, new_len); > + bitmap_clear(new, old_nbits, new_nbits - old_nbits); > + return new; > +} > + > #endif /* BITMAP_H */ > Reviewed-by: Orit Wasserman <owasserm@redhat.com>
diff --git a/include/qemu/bitmap.h b/include/qemu/bitmap.h index afdd257..1babd5d 100644 --- a/include/qemu/bitmap.h +++ b/include/qemu/bitmap.h @@ -220,4 +220,13 @@ unsigned long bitmap_find_next_zero_area(unsigned long *map, unsigned long nr, unsigned long align_mask); +static inline unsigned long *bitmap_zero_extend(unsigned long *old, + long old_nbits, long new_nbits) +{ + long new_len = BITS_TO_LONGS(new_nbits) * sizeof(unsigned long); + unsigned long *new = g_realloc(old, new_len); + bitmap_clear(new, old_nbits, new_nbits - old_nbits); + return new; +} + #endif /* BITMAP_H */