Message ID | 1373992168-26043-16-git-send-email-pbonzini@redhat.com |
---|---|
State | New |
Headers | show |
On 07/16/2013 10:29 AM, Paolo Bonzini wrote: > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > --- > block/raw-posix.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/block/raw-posix.c b/block/raw-posix.c > index d011cfd..1b41ea3 100644 > --- a/block/raw-posix.c > +++ b/block/raw-posix.c > @@ -1128,6 +1128,9 @@ static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs, > } else { > data = f.fe.fe_logical; > hole = f.fe.fe_logical + f.fe.fe_length; > + if (f.fe.fe_flags & FIEMAP_EXTENT_UNWRITTEN) { > + ret |= BDRV_BLOCK_ZERO; > + } > } Reviewed-by: Eric Blake <eblake@redhat.com>
On Tue, Jul 16, 2013 at 06:29:26PM +0200, Paolo Bonzini wrote:
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This isn't really XFS specific, at least ext4 and ocfs2 can report the same.
diff --git a/block/raw-posix.c b/block/raw-posix.c index d011cfd..1b41ea3 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -1128,6 +1128,9 @@ static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs, } else { data = f.fe.fe_logical; hole = f.fe.fe_logical + f.fe.fe_length; + if (f.fe.fe_flags & FIEMAP_EXTENT_UNWRITTEN) { + ret |= BDRV_BLOCK_ZERO; + } } #elif defined SEEK_HOLE && defined SEEK_DATA
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- block/raw-posix.c | 3 +++ 1 file changed, 3 insertions(+)