kindly ignore this patch, the feature now is implemented
without adding any _new_ ioctl or _new_ parameters.
Thanks, Anand
On 06/21/2013 03:58 PM, Anand Jain wrote:
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.jain@xxxxxxxxxx>
---
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 */
--
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