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daemon/graphdriver/btrfs: workaround field rename in btrfs-progs 6.1 #44707

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merged 1 commit into from Dec 29, 2022
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daemon/graphdriver/btrfs: workaround field rename in btrfs-progs 6.1 #44707

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5 changes: 4 additions & 1 deletion daemon/graphdriver/btrfs/btrfs.go
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Expand Up @@ -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>

Expand Down Expand Up @@ -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)))
Expand Down