kernel : 5.10: backport NFSv4_2 SSC helper commit

This allows kmod-fs-nfs-ssc to compile on both 5.10 and 5.15 kernel.
This commit is contained in:
AmadeusGhost 2022-01-06 23:10:50 +08:00
parent 3c1b417e8f
commit 75193fa45c
2 changed files with 244 additions and 0 deletions

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@ -0,0 +1,152 @@
From 02591f9febd5f69bb4c266a4abf899c4cf21964f Mon Sep 17 00:00:00 2001
From: Dai Ngo <dai.ngo@oracle.com>
Date: Thu, 28 Jan 2021 01:42:26 -0500
Subject: [PATCH] NFSv4_2: SSC helper should use its own config.
Currently NFSv4_2 SSC helper, nfs_ssc, incorrectly uses GRACE_PERIOD
as its config. Fix by adding new config NFS_V4_2_SSC_HELPER which
depends on NFS_V4_2 and is automatically selected when NFSD_V4 is
enabled. Also removed the file name from a comment in nfs_ssc.c.
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
fs/Kconfig | 4 ++++
fs/nfs/nfs4file.c | 4 ++++
fs/nfs/super.c | 12 ++++++++++++
fs/nfs_common/Makefile | 2 +-
fs/nfs_common/nfs_ssc.c | 2 --
fs/nfsd/Kconfig | 1 +
6 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/fs/Kconfig b/fs/Kconfig
index aa4c122823018b..a55bda4233bbea 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -333,6 +333,10 @@ config NFS_COMMON
depends on NFSD || NFS_FS || LOCKD
default y
+config NFS_V4_2_SSC_HELPER
+ tristate
+ default y if NFS_V4=y || NFS_FS=y
+
source "net/sunrpc/Kconfig"
source "fs/ceph/Kconfig"
source "fs/cifs/Kconfig"
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index 57b3821d975a35..441a2fa073c8f2 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -420,7 +420,9 @@ static const struct nfs4_ssc_client_ops nfs4_ssc_clnt_ops_tbl = {
*/
void nfs42_ssc_register_ops(void)
{
+#ifdef CONFIG_NFSD_V4
nfs42_ssc_register(&nfs4_ssc_clnt_ops_tbl);
+#endif
}
/**
@@ -431,7 +433,9 @@ void nfs42_ssc_register_ops(void)
*/
void nfs42_ssc_unregister_ops(void)
{
+#ifdef CONFIG_NFSD_V4
nfs42_ssc_unregister(&nfs4_ssc_clnt_ops_tbl);
+#endif
}
#endif /* CONFIG_NFS_V4_2 */
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 4034102010f055..c7a924580eec9c 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -86,9 +86,11 @@ const struct super_operations nfs_sops = {
};
EXPORT_SYMBOL_GPL(nfs_sops);
+#ifdef CONFIG_NFS_V4_2
static const struct nfs_ssc_client_ops nfs_ssc_clnt_ops_tbl = {
.sco_sb_deactive = nfs_sb_deactive,
};
+#endif
#if IS_ENABLED(CONFIG_NFS_V4)
static int __init register_nfs4_fs(void)
@@ -111,15 +113,21 @@ static void unregister_nfs4_fs(void)
}
#endif
+#ifdef CONFIG_NFS_V4_2
static void nfs_ssc_register_ops(void)
{
+#ifdef CONFIG_NFSD_V4
nfs_ssc_register(&nfs_ssc_clnt_ops_tbl);
+#endif
}
static void nfs_ssc_unregister_ops(void)
{
+#ifdef CONFIG_NFSD_V4
nfs_ssc_unregister(&nfs_ssc_clnt_ops_tbl);
+#endif
}
+#endif /* CONFIG_NFS_V4_2 */
static struct shrinker acl_shrinker = {
.count_objects = nfs_access_cache_count,
@@ -148,7 +156,9 @@ int __init register_nfs_fs(void)
ret = register_shrinker(&acl_shrinker);
if (ret < 0)
goto error_3;
+#ifdef CONFIG_NFS_V4_2
nfs_ssc_register_ops();
+#endif
return 0;
error_3:
nfs_unregister_sysctl();
@@ -168,7 +178,9 @@ void __exit unregister_nfs_fs(void)
unregister_shrinker(&acl_shrinker);
nfs_unregister_sysctl();
unregister_nfs4_fs();
+#ifdef CONFIG_NFS_V4_2
nfs_ssc_unregister_ops();
+#endif
unregister_filesystem(&nfs_fs_type);
}
diff --git a/fs/nfs_common/Makefile b/fs/nfs_common/Makefile
index fa82f5aaa6d95b..119c75ab9fd08e 100644
--- a/fs/nfs_common/Makefile
+++ b/fs/nfs_common/Makefile
@@ -7,4 +7,4 @@ obj-$(CONFIG_NFS_ACL_SUPPORT) += nfs_acl.o
nfs_acl-objs := nfsacl.o
obj-$(CONFIG_GRACE_PERIOD) += grace.o
-obj-$(CONFIG_GRACE_PERIOD) += nfs_ssc.o
+obj-$(CONFIG_NFS_V4_2_SSC_HELPER) += nfs_ssc.o
diff --git a/fs/nfs_common/nfs_ssc.c b/fs/nfs_common/nfs_ssc.c
index f43bbb3739134b..7c1509e968c817 100644
--- a/fs/nfs_common/nfs_ssc.c
+++ b/fs/nfs_common/nfs_ssc.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * fs/nfs_common/nfs_ssc_comm.c
- *
* Helper for knfsd's SSC to access ops in NFS client modules
*
* Author: Dai Ngo <dai.ngo@oracle.com>
diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index dbbc583d627306..821e5913faee49 100644
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -77,6 +77,7 @@ config NFSD_V4
select CRYPTO_MD5
select CRYPTO_SHA256
select GRACE_PERIOD
+ select NFS_V4_2_SSC_HELPER if NFS_V4_2
help
This option enables support in your system's NFS server for
version 4 of the NFS protocol (RFC 3530).

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@ -0,0 +1,92 @@
From d9092b4bb2109502eb8972021a3f74febc931a63 Mon Sep 17 00:00:00 2001
From: Dai Ngo <dai.ngo@oracle.com>
Date: Thu, 22 Apr 2021 03:37:49 -0400
Subject: [PATCH] NFSv4.2: Remove ifdef CONFIG_NFSD from NFSv4.2 client SSC
code.
The client SSC code should not depend on any of the CONFIG_NFSD config.
This patch removes all CONFIG_NFSD from NFSv4.2 client SSC code and
simplifies the config of CONFIG_NFS_V4_2_SSC_HELPER, NFSD_V4_2_INTER_SSC.
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
fs/Kconfig | 4 ++--
fs/nfs/nfs4file.c | 4 ----
fs/nfs/super.c | 4 ----
fs/nfsd/Kconfig | 2 +-
4 files changed, 3 insertions(+), 11 deletions(-)
diff --git a/fs/Kconfig b/fs/Kconfig
index a55bda4233bbea..afa585e62332bf 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -334,8 +334,8 @@ config NFS_COMMON
default y
config NFS_V4_2_SSC_HELPER
- tristate
- default y if NFS_V4=y || NFS_FS=y
+ bool
+ default y if NFS_V4_2
source "net/sunrpc/Kconfig"
source "fs/ceph/Kconfig"
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index 441a2fa073c8f2..57b3821d975a35 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -420,9 +420,7 @@ static const struct nfs4_ssc_client_ops nfs4_ssc_clnt_ops_tbl = {
*/
void nfs42_ssc_register_ops(void)
{
-#ifdef CONFIG_NFSD_V4
nfs42_ssc_register(&nfs4_ssc_clnt_ops_tbl);
-#endif
}
/**
@@ -433,9 +431,7 @@ void nfs42_ssc_register_ops(void)
*/
void nfs42_ssc_unregister_ops(void)
{
-#ifdef CONFIG_NFSD_V4
nfs42_ssc_unregister(&nfs4_ssc_clnt_ops_tbl);
-#endif
}
#endif /* CONFIG_NFS_V4_2 */
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 13a650750f04a8..5bfcc25571879a 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -116,16 +116,12 @@ static void unregister_nfs4_fs(void)
#ifdef CONFIG_NFS_V4_2
static void nfs_ssc_register_ops(void)
{
-#ifdef CONFIG_NFSD_V4
nfs_ssc_register(&nfs_ssc_clnt_ops_tbl);
-#endif
}
static void nfs_ssc_unregister_ops(void)
{
-#ifdef CONFIG_NFSD_V4
nfs_ssc_unregister(&nfs_ssc_clnt_ops_tbl);
-#endif
}
#endif /* CONFIG_NFS_V4_2 */
diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index d6cff5fbe705b4..c5346196c46f7e 100644
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -138,7 +138,7 @@ config NFSD_FLEXFILELAYOUT
config NFSD_V4_2_INTER_SSC
bool "NFSv4.2 inter server to server COPY"
- depends on NFSD_V4 && NFS_V4_1 && NFS_V4_2
+ depends on NFSD_V4 && NFS_V4_2
help
This option enables support for NFSv4.2 inter server to
server copy where the destination server calls the NFSv4.2