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-rw-r--r--cmds-filesystem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/cmds-filesystem.c b/cmds-filesystem.c
index 00e4bfe4..76ea82ed 100644
--- a/cmds-filesystem.c
+++ b/cmds-filesystem.c
@@ -524,7 +524,7 @@ static int dev_to_fsid(char *dev, __u8 *fsid)
disk_super = (struct btrfs_super_block *)buf;
ret = btrfs_read_dev_super(fd, disk_super,
- BTRFS_SUPER_INFO_OFFSET, 0);
+ BTRFS_SUPER_INFO_OFFSET, SBREAD_DEFAULT);
if (ret)
goto out;