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From ffbbe3d103b045c3f8ec5f74aa71b7a314fd57fe Mon Sep 17 00:00:00 2001
From: Shengjing Zhu <zhsj@debian.org>
Date: Thu, 29 Dec 2022 02:37:39 +0800
Subject: [PATCH] daemon/graphdriver/btrfs: workaround field rename in
btrfs-progs 6.1
Closes: #44698
Signed-off-by: Shengjing Zhu <zhsj@debian.org>
---
daemon/graphdriver/btrfs/btrfs.go | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/daemon/graphdriver/btrfs/btrfs.go b/daemon/graphdriver/btrfs/btrfs.go
index 720f1ab0cd43..f2f6bf9e975b 100644
--- a/daemon/graphdriver/btrfs/btrfs.go
+++ b/daemon/graphdriver/btrfs/btrfs.go
@@ -6,6 +6,9 @@ package btrfs // import "github.com/docker/docker/daemon/graphdriver/btrfs"
/*
#include <stdlib.h>
#include <dirent.h>
+
+// keep struct field name compatible with btrfs-progs < 6.1.
+#define max_referenced max_rfer
#include <btrfs/ioctl.h>
#include <btrfs/ctree.h>
@@ -395,7 +398,7 @@ func subvolLimitQgroup(path string, size uint64) error {
defer closeDir(dir)
var args C.struct_btrfs_ioctl_qgroup_limit_args
- args.lim.max_referenced = C.__u64(size)
+ args.lim.max_rfer = C.__u64(size)
args.lim.flags = C.BTRFS_QGROUP_LIMIT_MAX_RFER
_, _, errno := unix.Syscall(unix.SYS_IOCTL, getDirFd(dir), C.BTRFS_IOC_QGROUP_LIMIT,
uintptr(unsafe.Pointer(&args)))
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