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NFSERR_OPNOTSUPP is not described by any RFC, and should not be used.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Pull NFS client updates from Trond Myklebust:
"Highlights include:
Bugfixes:
- Fix for an Oops in the NFSv4.2 listxattr handler
- Correct an incorrect buffer size in listxattr
- Fix for an Oops in the pNFS flexfiles layout
- Fix a refcount leak in NFS O_DIRECT writes
- Fix missing locking in NFS O_DIRECT
- Avoid an infinite loop in pnfs_update_layout
- Fix an overflow in the RPC waitqueue queue length counter
- Ensure that pNFS I/O is also protected by TLS when xprtsec is
specified by the mount options
- Fix a leaked folio lock in the netfs read code
- Fix a potential deadlock in fscache
- Allow setting the fscache uniquifier in NFSv4
- Fix an off by one in root_nfs_cat()
- Fix another off by one in rpc_sockaddr2uaddr()
- nfs4_do_open() can incorrectly trigger state recovery
- Various fixes for connection shutdown
Features and cleanups:
- Ensure that containers only see their own RPC and NFS stats
- Enable nconnect for RDMA
- Remove dead code from nfs_writepage_locked()
- Various tracepoint additions to track EXCHANGE_ID, GETDEVICEINFO,
and mount options"
* tag 'nfs-for-6.9-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (29 commits)
nfs: fix panic when nfs4_ff_layout_prepare_ds() fails
NFS: trace the uniquifier of fscache
NFS: Read unlock folio on nfs_page_create_from_folio() error
NFS: remove unused variable nfs_rpcstat
nfs: fix UAF in direct writes
nfs: properly protect nfs_direct_req fields
NFS: enable nconnect for RDMA
NFSv4: nfs4_do_open() is incorrectly triggering state recovery
NFS: avoid infinite loop in pnfs_update_layout.
NFS: remove sync_mode test from nfs_writepage_locked()
NFSv4.1/pnfs: fix NFS with TLS in pnfs
NFS: Fix an off by one in root_nfs_cat()
nfs: make the rpc_stat per net namespace
nfs: expose /proc/net/sunrpc/nfs in net namespaces
sunrpc: add a struct rpc_stats arg to rpc_create_args
nfs: remove unused NFS_CALL macro
NFSv4.1: add tracepoint to trunked nfs4_exchange_id calls
NFS: Fix nfs_netfs_issue_read() xarray locking for writeback interrupt
SUNRPC: increase size of rpc_wait_queue.qlen from unsigned short to unsigned int
nfs: fix regression in handling of fsc= option in NFSv4
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Add a tracepoint to track when the client sends EXCHANGE_ID to test
a new transport for session trunking.
nfs4_detect_session_trunking() tests for trunking and returns
EINVAL if trunking can't be done, add EINVAL mapping to
show_nfs4_status() in tracepoints.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Help observe the flow of callback operations.
bc_shutdown() records exactly when the backchannel RPC client is
destroyed and cl_cb_client is replaced with NULL.
Examples include:
nfsd-955 [004] 650.013997: nfsd_cb_queue: addr=192.168.122.6:0 client 65b3c5b8:f541f749 cb=0xffff8881134b02f8 (first try)
kworker/u21:4-497 [004] 650.014050: nfsd_cb_seq_status: task:00000001@00000001 sessionid=65b3c5b8:f541f749:00000001:00000000 tk_status=-107 seq_status=1
kworker/u21:4-497 [004] 650.014051: nfsd_cb_restart: addr=192.168.122.6:0 client 65b3c5b8:f541f749 cb=0xffff88810e39f400 (first try)
kworker/u21:4-497 [004] 650.014066: nfsd_cb_queue: addr=192.168.122.6:0 client 65b3c5b8:f541f749 cb=0xffff88810e39f400 (need restart)
kworker/u16:0-10 [006] 650.065750: nfsd_cb_start: addr=192.168.122.6:0 client 65b3c5b8:f541f749 state=UNKNOWN
kworker/u16:0-10 [006] 650.065752: nfsd_cb_bc_update: addr=192.168.122.6:0 client 65b3c5b8:f541f749 cb=0xffff8881134b02f8 (first try)
kworker/u16:0-10 [006] 650.065754: nfsd_cb_bc_shutdown: addr=192.168.122.6:0 client 65b3c5b8:f541f749 cb=0xffff8881134b02f8 (first try)
kworker/u16:0-10 [006] 650.065810: nfsd_cb_new_state: addr=192.168.122.6:0 client 65b3c5b8:f541f749 state=DOWN
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Add tracepoints to trace start and end of CB_RECALL_ANY operation.
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
[ cel: added show_rca_mask() macro ]
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Steven Rostedt says:
> The include/trace/events/ directory should only hold files that
> are to create events, not headers that hold helper functions.
>
> Can you please move them out of include/trace/events/ as that
> directory is "special" in the creation of events.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Acked-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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