linux/fs/nfs
Roi Azarzar 615e693b14 NFSv4.2: Fix detection of "Proxying of Times" server support
According to draft-ietf-nfsv4-delstid-07:
   If a server informs the client via the fattr4_open_arguments
   attribute that it supports
   OPEN_ARGS_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS and it returns a valid
   delegation stateid for an OPEN operation which sets the
   OPEN4_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS flag, then it MUST query the
   client via a CB_GETATTR for the fattr4_time_deleg_access (see
   Section 5.2) attribute and fattr4_time_deleg_modify attribute (see
   Section 5.2).

Thus, we should look that the server supports proxying of times via
OPEN4_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS.

We want to be extra pedantic and continue to check that FATTR4_TIME_DELEG_ACCESS
and FATTR4_TIME_DELEG_MODIFY are set. The server needs to expose both for the
client to correctly detect "Proxying of Times" support.

Signed-off-by: Roi Azarzar <roi.azarzar@vastdata.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Fixes: dcb3c20f74 ("NFSv4: Add a capability for delegated attributes")
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
2024-09-23 15:03:13 -04:00
..
blocklayout nfs/blocklayout: add support for NVMe 2024-07-12 11:35:50 -04:00
filelayout nfs: remove dead code for the old swap over NFS implementation 2024-07-08 13:47:51 -04:00
flexfilelayout NFSv4/pNFS: Do layout state recovery upon reboot 2024-07-08 13:47:26 -04:00
cache_lib.c
cache_lib.h
callback_proc.c pNFS: Add a flag argument to pnfs_destroy_layouts_byclid() 2024-07-08 13:47:26 -04:00
callback_xdr.c nfs: fix bitmap decoder to handle a 3rd word 2024-08-22 17:01:10 -04:00
callback.c sunrpc: allow svc threads to fail initialisation cleanly 2024-09-20 19:31:03 -04:00
callback.h NFSv4: Add CB_GETATTR support for delegated attributes 2024-07-08 13:47:25 -04:00
client.c nfs: simplify and guarantee owner uniqueness. 2024-09-23 15:03:12 -04:00
delegation.c NFS: Avoid unnecessary rescanning of the per-server delegation list 2024-08-22 17:01:10 -04:00
delegation.h NFSv4: Delegreturn must set m/atime when they are delegated 2024-07-08 13:47:25 -04:00
dir.c nfs: Annotate struct nfs_cache_array with __counted_by() 2024-09-23 15:03:12 -04:00
direct.c nfs: drop the incorrect assertion in nfs_swap_rw() 2024-06-24 20:52:11 -07:00
dns_resolve.c NFS: Move common includes outside ifdef 2023-08-24 13:24:15 -04:00
dns_resolve.h
export.c
file.c - 875fa64577da ("mm/hugetlb_vmemmap: fix race with speculative PFN 2024-07-21 17:15:46 -07:00
fs_context.c nfs: keep server info for remounts 2024-05-20 11:37:15 -04:00
fscache.c 9p: Fix DIO read through netfs 2024-08-13 13:53:09 +02:00
fscache.h netfs: Fix handling of USE_PGPRIV2 and WRITE_TO_CACHE flags 2024-08-12 22:03:27 +02:00
getroot.c
inode.c NFSv4: Fix up delegated attributes in nfs_setattr 2024-07-08 13:47:25 -04:00
internal.h nfs: Remove obsoleted declaration for nfs_read_prepare 2024-09-23 15:03:13 -04:00
io.c
iostat.h mm: add comments for allocation helpers explaining why they are macros 2024-07-12 15:52:20 -07:00
Kconfig NFS: Don't enable NFS v2 by default 2024-05-20 11:37:15 -04:00
Makefile
mount_clnt.c NFS: remove unused struct 'mnt_fhstatus' 2024-07-08 13:47:24 -04:00
namespace.c fs: pass the request_mask to generic_fillattr 2023-08-09 08:56:36 +02:00
netns.h nfs: make the rpc_stat per net namespace 2024-03-09 09:14:51 -05:00
nfs2super.c fs: nfs: add missing MODULE_DESCRIPTION() macros 2024-07-08 13:47:24 -04:00
nfs2xdr.c NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN 2023-08-30 11:08:27 -04:00
nfs3_fs.h
nfs3acl.c
nfs3client.c NFS: enable nconnect for RDMA 2024-03-09 09:14:51 -05:00
nfs3proc.c Return the delegation when deleting sillyrenamed files 2024-07-08 13:47:26 -04:00
nfs3super.c fs: nfs: add missing MODULE_DESCRIPTION() macros 2024-07-08 13:47:24 -04:00
nfs3xdr.c NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN 2023-08-30 11:08:27 -04:00
nfs4_fs.h nfs: simplify and guarantee owner uniqueness. 2024-09-23 15:03:12 -04:00
nfs4client.c NFSv4.1 another fix for EXCHGID4_FLAG_USE_PNFS_DS for DS server 2024-07-08 13:47:27 -04:00
nfs4file.c filelock: split leases out of struct file_lock 2024-02-05 13:11:44 +01:00
nfs4getroot.c
nfs4idmap.c
nfs4idmap.h
nfs4namespace.c
nfs4proc.c NFSv4.2: Fix detection of "Proxying of Times" server support 2024-09-23 15:03:13 -04:00
nfs4renewd.c
nfs4session.c
nfs4session.h
nfs4state.c NFSv4: Fail mounts if the lease setup times out 2024-09-23 15:03:13 -04:00
nfs4super.c fs: nfs: add missing MODULE_DESCRIPTION() macros 2024-07-08 13:47:24 -04:00
nfs4sysctl.c fs: Remove the now superfluous sentinel elements from ctl_table array 2023-12-28 04:57:57 -08:00
nfs4trace.c nfs/blocklayout: SCSI layout trace points for reservation key reg/unreg 2024-07-08 13:47:27 -04:00
nfs4trace.h nfs/blocklayout: SCSI layout trace points for reservation key reg/unreg 2024-07-08 13:47:27 -04:00
nfs4xdr.c nfs: simplify and guarantee owner uniqueness. 2024-09-23 15:03:12 -04:00
nfs42.h NFSv4.2: fix listxattr maximum XDR buffer size 2024-02-28 16:18:18 -05:00
nfs42proc.c nfs42: client needs to strip file mode's suid/sgid bit after ALLOCATE op 2023-10-11 09:37:48 -04:00
nfs42xattr.c mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
nfs42xdr.c NFSv4.2: Rework scratch handling for READ_PLUS (again) 2023-08-23 15:58:47 -04:00
nfs.h nfs: move nfs4_xattr_handlers to .rodata 2023-10-09 16:24:20 +02:00
nfsroot.c NFS: Fix an off by one in root_nfs_cat() 2024-03-09 09:14:51 -05:00
nfstrace.c
nfstrace.h nfs: pass explicit offset/count to trace events 2024-07-17 13:15:35 -04:00
pagelist.c nfs: move nfs_wait_on_request to write.c 2024-07-08 13:47:51 -04:00
pnfs_dev.c nfs: remove the unused max_deviceinfo_size field from struct pnfs_layoutdriver_type 2024-07-10 13:23:17 -04:00
pnfs_nfs.c nfs: remove dead code for the old swap over NFS implementation 2024-07-08 13:47:51 -04:00
pnfs.c NFSv4: Fix clearing of layout segments in layoutreturn 2024-08-22 17:01:10 -04:00
pnfs.h nfs: remove the unused max_deviceinfo_size field from struct pnfs_layoutdriver_type 2024-07-10 13:23:17 -04:00
proc.c Return the delegation when deleting sillyrenamed files 2024-07-08 13:47:26 -04:00
read.c nfs: Remove unnecessary NULL check before kfree() 2024-09-23 15:03:12 -04:00
super.c NFSv4: Add missing rescheduling points in nfs_client_return_marked_delegations 2024-08-22 17:01:10 -04:00
symlink.c nfs: Remove calls to folio_set_error 2024-05-31 12:31:41 +02:00
sysctl.c fs: Remove the now superfluous sentinel elements from ctl_table array 2023-12-28 04:57:57 -08:00
sysfs.c NFS: Fix sysfs server name memory leak 2023-08-19 10:26:29 -04:00
sysfs.h
unlink.c Return the delegation when deleting sillyrenamed files 2024-07-08 13:47:26 -04:00
write.c fs: nfs: fix missing refcnt by replacing folio_set_private by folio_attach_private 2024-09-23 15:03:13 -04:00