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graphdriver/btrfs: needs kernel headers >= 4.12, not >= 4.7

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`linux/btrfs_tree.h` was not installed to `/usr/include` until kernel 4.12
fcc8487d47

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
This commit is contained in:
Akihiro Suda 2023-01-08 04:18:51 +09:00
parent 6834304feb
commit 89fb8b32f6
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GPG key ID: 49524C6F9F638F1A
2 changed files with 7 additions and 1 deletions
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6
daemon/graphdriver/btrfs/btrfs.go
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@ -8,6 +8,12 @@ package btrfs // import "github.com/docker/docker/daemon/graphdriver/btrfs"
#include <stdio.h>
#include <dirent.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0)
#error "Headers from kernel >= 4.12 are required to build with Btrfs support."
#error "HINT: Set 'DOCKER_BUILDTAGS=exclude_graphdriver_btrfs' to build without Btrfs."
#endif
#include <linux/btrfs.h>
#include <linux/btrfs_tree.h>

2
project/PACKAGERS.md
View file

@ -139,7 +139,7 @@ by having support for them in the kernel or userspace. A few examples include:
* AUFS graph driver (requires AUFS patches/support enabled in the kernel, and at
least the "auplink" utility from aufs-tools)
* BTRFS graph driver (requires suitable kernel headers: `linux/btrfs.h` and `linux/btrfs_tree.h`, present in 4.7+; and BTRFS support enabled in the kernel)
* BTRFS graph driver (requires suitable kernel headers: `linux/btrfs.h` and `linux/btrfs_tree.h`, present in 4.12+; and BTRFS support enabled in the kernel)
* ZFS graph driver (requires userspace zfs-utils and a corresponding kernel module)
* Libseccomp to allow running seccomp profiles with containers