This is a second snapshot of migration support for the Linux NFS
client. This snapshot is untested. I think I've addressed recent
review comments.
The one remaining piece seems to be adding logic to send a SETCLIENTID
to the destination server to update the client's callback endpoint
information. I think we'll need to move cl_ipaddr and other fields
related to constructing the long-form client ID into the nfs_server
struct. More discussion is needed.
---
Chuck Lever (12):
NFS: Implement support for NFS4ERR_LEASE_MOVED
NFS: Add migration recovery callouts in nfs4proc.c
NFS: Remove "const" from "struct nfs_server *" fields
NFS: Add basic migration support to state manager thread
NFS: Add functions to swap transports during migration recovery
NFS: Introduce nfs4_proc_get_mig_status()
NFS: Introduce NFS_ATTR_FATTR_V4_LOCATIONS
NFS: Save root file handle in nfs_server
NFS: Add a client-side function to display file handles
NFS: Add NFS4CLNT_UPDATE_CLIENTID
SUNRPC: Add API to acquire source address
SUNRPC: Remove obsolete comment
fs/nfs/client.c | 2 +
fs/nfs/getroot.c | 5 +
fs/nfs/inode.c | 45 ++++++++++++
fs/nfs/internal.h | 2 +
fs/nfs/nfs4_fs.h | 7 ++
fs/nfs/nfs4namespace.c | 162 +++++++++++++++++++++++++++++++++++++++++++
fs/nfs/nfs4proc.c | 143 +++++++++++++++++++++++++++++++++-----
fs/nfs/nfs4state.c | 150 ++++++++++++++++++++++++++++++++++++++--
fs/nfs/nfs4xdr.c | 50 ++++++++++---
include/linux/nfs_fs.h | 14 ++++
include/linux/nfs_fs_sb.h | 6 ++
include/linux/nfs_xdr.h | 38 ++++++----
include/linux/sunrpc/clnt.h | 1
net/sunrpc/clnt.c | 136 +++++++++++++++++++++++++++++++++++-
14 files changed, 700 insertions(+), 61 deletions(-)
--
Chuck Lever
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