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SubjectRe: [PATCH] Fix build failure of OCFS2 when TCP/IP is disabled
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On 2020/6/7 03:08, Tom Seewald wrote:
> After commit 12abc5ee7873 ("tcp: add tcp_sock_set_nodelay") and
> commit c488aeadcbd0 ("tcp: add tcp_sock_set_user_timeout"), building the
> kernel with OCFS2_FS=y but without INET=y causes it to fail with:
>
> ld: fs/ocfs2/cluster/tcp.o: in function `o2net_accept_many':
> tcp.c:(.text+0x21b1): undefined reference to `tcp_sock_set_nodelay'
> ld: tcp.c:(.text+0x21c1): undefined reference to `tcp_sock_set_user_timeout
> '
> ld: fs/ocfs2/cluster/tcp.o: in function `o2net_start_connect':
> tcp.c:(.text+0x2633): undefined reference to `tcp_sock_set_nodelay'
> ld: tcp.c:(.text+0x2643): undefined reference to `tcp_sock_set_user_timeout
> '
>
> This is due to tcp_sock_set_nodelay() and tcp_sock_set_user_timeout() being
> declared in linux/tcp.h and defined in net/ipv4/tcp.c, which depend on
> TCP/IP being enabled.
>
> To fix this, make OCFS2_FS depend on INET=y which already requires NET=y.
>
> Signed-off-by: Tom Seewald <tseewald@gmail.com>

Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
> ---
> fs/ocfs2/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/ocfs2/Kconfig b/fs/ocfs2/Kconfig
> index 1177c33df895..aca16624b370 100644
> --- a/fs/ocfs2/Kconfig
> +++ b/fs/ocfs2/Kconfig
> @@ -1,7 +1,7 @@
> # SPDX-License-Identifier: GPL-2.0-only
> config OCFS2_FS
> tristate "OCFS2 file system support"
> - depends on NET && SYSFS && CONFIGFS_FS
> + depends on INET && SYSFS && CONFIGFS_FS
> select JBD2
> select CRC32
> select QUOTA
>

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