Commit f5f7abcf authored by Paolo Bonzini's avatar Paolo Bonzini Committed by Stefan Hajnoczi
Browse files

raw-posix: report unwritten extents as zero 



These are created for example with XFS_IOC_ZERO_RANGE.

Reviewed-by: default avatarEric Blake <eblake@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
parent 63390a8d

block/raw-posix.c

+3 −0
Original line number Diff line number Diff line
@@ -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