[PATCH 01/14] nfs, cifs, ceph, 9p: Disable use of fscache prior to its rewrite

From: David Howells
Date: Mon Jul 13 2020 - 12:28:10 EST


Temporarily disable the use of fscache by the various Linux network
filesystems, apart from afs, so that the fscache core can be rewritten.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Dave Wysochanski <dwysocha@xxxxxxxxxx>
cc: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
cc: Anna Schumaker <anna.schumaker@xxxxxxxxxx>
cc: linux-nfs@xxxxxxxxxxxxxxx
cc: Jeff Layton <jlayton@xxxxxxxxxx>
cc: Ilya Dryomov <idryomov@xxxxxxxxx>
cc: ceph-devel@xxxxxxxxxxxxxxx
cc: Steve French <sfrench@xxxxxxxxx>
cc: linux-cifs@xxxxxxxxxxxxxxx
cc: Eric Van Hensbergen <ericvh@xxxxxxxxx>
cc: Latchesar Ionkov <lucho@xxxxxxxxxx>
cc: Dominique Martinet <asmadeus@xxxxxxxxxxxxx>
cc: v9fs-developer@xxxxxxxxxxxxxxxxxxxxx
---

fs/9p/Kconfig | 2 +-
fs/ceph/Kconfig | 2 +-
fs/cifs/Kconfig | 2 +-
fs/fscache/Kconfig | 4 ++++
fs/nfs/Kconfig | 2 +-
5 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/fs/9p/Kconfig b/fs/9p/Kconfig
index 09fd4a185fd2..66ca72422961 100644
--- a/fs/9p/Kconfig
+++ b/fs/9p/Kconfig
@@ -13,7 +13,7 @@ config 9P_FS
if 9P_FS
config 9P_FSCACHE
bool "Enable 9P client caching support"
- depends on 9P_FS=m && FSCACHE || 9P_FS=y && FSCACHE=y
+ depends on 9P_FS=m && FSCACHE_OLD || 9P_FS=y && FSCACHE_OLD=y
help
Choose Y here to enable persistent, read-only local
caching support for 9p clients using FS-Cache
diff --git a/fs/ceph/Kconfig b/fs/ceph/Kconfig
index cf235f6eacf9..9aee341392a2 100644
--- a/fs/ceph/Kconfig
+++ b/fs/ceph/Kconfig
@@ -20,7 +20,7 @@ config CEPH_FS
if CEPH_FS
config CEPH_FSCACHE
bool "Enable Ceph client caching support"
- depends on CEPH_FS=m && FSCACHE || CEPH_FS=y && FSCACHE=y
+ depends on CEPH_FS=m && FSCACHE_OLD || CEPH_FS=y && FSCACHE_OLD=y
help
Choose Y here to enable persistent, read-only local
caching support for Ceph clients using FS-Cache
diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig
index 604f65f4b6c5..441f24bff49c 100644
--- a/fs/cifs/Kconfig
+++ b/fs/cifs/Kconfig
@@ -206,7 +206,7 @@ config CIFS_SMB_DIRECT

config CIFS_FSCACHE
bool "Provide CIFS client caching support"
- depends on CIFS=m && FSCACHE || CIFS=y && FSCACHE=y
+ depends on CIFS=m && FSCACHE_OLD || CIFS=y && FSCACHE_OLD=y
help
Makes CIFS FS-Cache capable. Say Y here if you want your CIFS data
to be cached locally on disk through the general filesystem cache
diff --git a/fs/fscache/Kconfig b/fs/fscache/Kconfig
index 5e796e6c38e5..ce6f731065d0 100644
--- a/fs/fscache/Kconfig
+++ b/fs/fscache/Kconfig
@@ -60,3 +60,7 @@ config FSCACHE_OBJECT_LIST
help
Maintain a global list of active fscache objects that can be
retrieved through /proc/fs/fscache/objects for debugging purposes
+
+config FSCACHE_OLD
+ bool
+ default n
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 88e1763e02f3..8909ef506073 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -170,7 +170,7 @@ config ROOT_NFS

config NFS_FSCACHE
bool "Provide NFS client caching support"
- depends on NFS_FS=m && FSCACHE || NFS_FS=y && FSCACHE=y
+ depends on NFS_FS=m && FSCACHE_OLD || NFS_FS=y && FSCACHE_OLD=y
help
Say Y here if you want NFS data to be cached locally on disc through
the general filesystem cache manager