报错如下:
rsync -a --link-dest=/mnt/d/work/arm/output/per-package/host-skeleton/host/ /mnt/d/work/arm/buildroot/output/per-package/host-skeleton/host/ /mnt/d/work/arm/buildroot/output/per-package/host-ccache/host
rsync: failed to hard-link /mnt/d/work/arm/buildroot/output/per-package/host-skeleton/host/lib64 with lib64: Is a directory (21)
rsync: failed to hard-link /mnt/d/work/arm/buildroot/output/per-package/host-skeleton/host/usr with usr: Is a directory (21)
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1205) [sender=3.1.3]查看目标目录， lib64软链接已经被硬链接了，usr软链接是被复制过去的
ls -lia /mnt/d/work/arm/buildroot/output/per-package/host-ccache/host
total 0
844424931203368 drwxrwxrwx 1 kun kun 4096 Oct 9 09:19 .
1125899907914014 drwxrwxrwx 1 kun kun 4096 Oct 9 09:19 ..
844424931203523 drwxrwxrwx 1 kun kun 4096 Oct 9 09:19 arm-buildroot-linux-musleabi
844424931203581 drwxrwxrwx 1 kun kun 4096 Oct 9 09:19 bin
844424931203527 drwxrwxrwx 1 kun kun 4096 Oct 9 09:19 include
844424931203528 drwxrwxrwx 1 kun kun 4096 Oct 9 09:19 lib
844424931203525 lrwxrwxrwx 207 kun kun 3 Oct 9 09:19 lib64 -> lib
844424931203583 drwxrwxrwx 1 kun kun 4096 Oct 9 09:19 share
844424931203526 lrwxrwxrwx 1 kun kun 1 Oct 9 09:19 usr -> .修改package/pkg-utils.mk文件
rsync -a --link-dest=$(PER_PACKAGE_DIR)/$(pkg)/$(2)/ \改为
-rsync -a --link-dest=$(PER_PACKAGE_DIR)/$(pkg)/$(2)/ \临时忽略掉该命令错误
补充：用的是WSL1感觉读写IO会更快，但要关掉Microsoft Defender的实时保护
最近编辑记录 onion (2023-10-10 09:47:02)
离线
查看文件系统
rootfs on / type wslfs (rw,noatime)
none on /dev type tmpfs (rw,noatime,mode=755)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,noatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,noatime)
devpts on /dev/pts type devpts (rw,nosuid,noexec,noatime,gid=5,mode=620)
none on /run type tmpfs (rw,nosuid,noexec,noatime,mode=755)
none on /run/lock type tmpfs (rw,nosuid,nodev,noexec,noatime)
none on /run/shm type tmpfs (rw,nosuid,nodev,noatime)
none on /run/user type tmpfs (rw,nosuid,nodev,noexec,noatime,mode=755)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)
tmpfs on /sys/fs/cgroup type tmpfs (rw,nosuid,nodev,noexec,relatime,mode=755)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
C:\ on /mnt/c type drvfs (rw,noatime,uid=1000,gid=1000,case=off)
D:\ on /mnt/d type drvfs (rw,noatime,uid=1000,gid=1000,case=off)
E:\ on /mnt/e type drvfs (rw,noatime,uid=1000,gid=1000,case=off)
F:\ on /mnt/f type drvfs (rw,noatime,uid=1000,gid=1000,case=off)
G:\ on /mnt/g type drvfs (rw,noatime,uid=1000,gid=1000,case=off)在根目录下(wslfs系统)可以被正常创建硬链接，在drvfs下才有这个问题，d盘是ntfs的
rsync -a --link-dest=/home/user/a/ a/ b/
$ ls a -lai
total 0
45880421203913456 drwxr-xr-x 1 kun kun 4096 Oct 5 18:52 .
3377699720632823 drwxr-xr-x 1 kun kun 4096 Oct 10 08:10 ..
21110623253398590 -rwxr-xr-x 2 kun kun 8 Oct 5 18:52 1.txt
17451448556211638 drwxr-xr-x 1 kun kun 4096 Oct 5 18:52 lib
5066549580914859 lrwxrwxrwx 2 kun kun 3 Oct 5 18:52 lib64 -> lib
22799473113681371 lrwxrwxrwx 2 kun kun 1 Oct 5 18:52 usr -> .
$ ls b -lai
total 0
16044073672661868 drwxr-xr-x 1 kun kun 4096 Oct 5 18:52 .
3377699720632823 drwxr-xr-x 1 kun kun 4096 Oct 10 08:10 ..
21110623253398590 -rwxr-xr-x 2 kun kun 8 Oct 5 18:52 1.txt
4222124650816684 drwxr-xr-x 1 kun kun 4096 Oct 5 18:52 lib
5066549580914859 lrwxrwxrwx 2 kun kun 3 Oct 5 18:52 lib64 -> lib
22799473113681371 lrwxrwxrwx 2 kun kun 1 Oct 5 18:52 usr -> .离线