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Merge pull request #21723 from devimc/master

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Fix compilation errors with btrfs-progs-4.5
Upstream-commit: 8c361eb5da51318168d7d1bd2214f7369de28394
Component: engine
This commit is contained in:
Tibor Vass
2016-04-06 15:56:42 -04:00
parent 1735136bd7 7929b2459d
commit 5ada0d9d57
1 changed files with 8 additions and 3 deletions
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11
components/engine/daemon/graphdriver/btrfs/btrfs.go
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@@ -7,6 +7,10 @@ package btrfs
#include <dirent.h>
#include <btrfs/ioctl.h>
#include <btrfs/ctree.h>
static void set_name_btrfs_ioctl_vol_args_v2(struct btrfs_ioctl_vol_args_v2* btrfs_struct, const char* value) {
snprintf(btrfs_struct->name, BTRFS_SUBVOL_NAME_MAX, "%s", value);
}
*/
import "C"
@@ -159,9 +163,10 @@ func subvolSnapshot(src, dest, name string) error {
var args C.struct_btrfs_ioctl_vol_args_v2
args.fd = C.__s64(getDirFd(srcDir))
for i, c := range []byte(name) {
args.name[i] = C.char(c)
}
var cs = C.CString(name)
C.set_name_btrfs_ioctl_vol_args_v2(&args, cs)
C.free(unsafe.Pointer(cs))
_, _, errno := syscall.Syscall(syscall.SYS_IOCTL, getDirFd(destDir), C.BTRFS_IOC_SNAP_CREATE_V2,
uintptr(unsafe.Pointer(&args)))