btrfs-progs has to read fs info from the kernel to
read the latest info instead of reading it from the disks,
which generally is a stale info after certain critical
operation.
getting used_bytes parameter will help to fix
btrfs filesystem show --kernel
to show the current info of the fs
Signed-off-by: Anand Jain <anand.j...@oracle.com>
---
ioctl.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/ioctl.h b/ioctl.h
index a40a4a1..d035201 100644
--- a/ioctl.h
+++ b/ioctl.h
@@ -169,7 +169,8 @@ struct btrfs_ioctl_fs_info_args {
__u64 max_id; /* out */
__u64 num_devices; /* out */
__u8 fsid[BTRFS_FSID_SIZE]; /* out */
- __u64 reserved[124]; /* pad to 1k */
+ __u64 used_bytes; /* out */
+ __u64 reserved[123]; /* pad to 1k */
};
/* balance control ioctl modes */
--
1.8.1.227.g44fe835
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
