diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/raw-posix.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c index bf7700a238..0dce089be5 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -606,7 +606,6 @@ static int coroutine_fn raw_co_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors, int *pnum) { - BDRVRawState *s = bs->opaque; off_t start, data, hole; int ret; @@ -616,11 +615,15 @@ static int coroutine_fn raw_co_is_allocated(BlockDriverState *bs, } start = sector_num * BDRV_SECTOR_SIZE; + #ifdef CONFIG_FIEMAP + + BDRVRawState *s = bs->opaque; struct { struct fiemap fm; struct fiemap_extent fe; } f; + f.fm.fm_start = start; f.fm.fm_length = (int64_t)nb_sectors * BDRV_SECTOR_SIZE; f.fm.fm_flags = 0; @@ -643,7 +646,11 @@ static int coroutine_fn raw_co_is_allocated(BlockDriverState *bs, data = f.fe.fe_logical; hole = f.fe.fe_logical + f.fe.fe_length; } + #elif defined SEEK_HOLE && defined SEEK_DATA + + BDRVRawState *s = bs->opaque; + hole = lseek(s->fd, start, SEEK_HOLE); if (hole == -1) { /* -ENXIO indicates that sector_num was past the end of the file. |