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-rw-r--r--block/raw-posix.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c
index 86ce4f2607..d672c739c8 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1482,7 +1482,7 @@ static int64_t try_fiemap(BlockDriverState *bs, off_t start, off_t *data,
f.fm.fm_start = start;
f.fm.fm_length = (int64_t)nb_sectors * BDRV_SECTOR_SIZE;
- f.fm.fm_flags = 0;
+ f.fm.fm_flags = FIEMAP_FLAG_SYNC;
f.fm.fm_extent_count = 1;
f.fm.fm_reserved = 0;
if (ioctl(s->fd, FS_IOC_FIEMAP, &f) == -1) {