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738401a9bd
Includes:
. CB_GETATTR proc for nfs4_cb_procedures[]
. XDR encoding and decoding function for CB_GETATTR request/reply
. add nfs4_cb_fattr to nfs4_delegation for sending CB_GETATTR
and store file attributes from client's reply.
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#define NFS4_MAXTAGLEN 20
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#define NFS4_enc_cb_null_sz 0
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#define NFS4_dec_cb_null_sz 0
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#define cb_compound_enc_hdr_sz 4
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#define cb_compound_dec_hdr_sz (3 + (NFS4_MAXTAGLEN >> 2))
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#define sessionid_sz (NFS4_MAX_SESSIONID_LEN >> 2)
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#define cb_sequence_enc_sz (sessionid_sz + 4 + \
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1 /* no referring calls list yet */)
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#define cb_sequence_dec_sz (op_dec_sz + sessionid_sz + 4)
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#define op_enc_sz 1
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#define op_dec_sz 2
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#define enc_nfs4_fh_sz (1 + (NFS4_FHSIZE >> 2))
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#define enc_stateid_sz (NFS4_STATEID_SIZE >> 2)
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#define NFS4_enc_cb_recall_sz (cb_compound_enc_hdr_sz + \
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cb_sequence_enc_sz + \
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1 + enc_stateid_sz + \
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enc_nfs4_fh_sz)
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#define NFS4_dec_cb_recall_sz (cb_compound_dec_hdr_sz + \
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cb_sequence_dec_sz + \
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op_dec_sz)
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#define NFS4_enc_cb_layout_sz (cb_compound_enc_hdr_sz + \
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cb_sequence_enc_sz + \
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1 + 3 + \
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enc_nfs4_fh_sz + 4)
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#define NFS4_dec_cb_layout_sz (cb_compound_dec_hdr_sz + \
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cb_sequence_dec_sz + \
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op_dec_sz)
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#define NFS4_enc_cb_notify_lock_sz (cb_compound_enc_hdr_sz + \
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cb_sequence_enc_sz + \
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2 + 1 + \
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XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
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enc_nfs4_fh_sz)
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#define NFS4_dec_cb_notify_lock_sz (cb_compound_dec_hdr_sz + \
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cb_sequence_dec_sz + \
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op_dec_sz)
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#define enc_cb_offload_info_sz (1 + 1 + 2 + 1 + \
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XDR_QUADLEN(NFS4_VERIFIER_SIZE))
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#define NFS4_enc_cb_offload_sz (cb_compound_enc_hdr_sz + \
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cb_sequence_enc_sz + \
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enc_nfs4_fh_sz + \
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enc_stateid_sz + \
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enc_cb_offload_info_sz)
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#define NFS4_dec_cb_offload_sz (cb_compound_dec_hdr_sz + \
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cb_sequence_dec_sz + \
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op_dec_sz)
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#define NFS4_enc_cb_recall_any_sz (cb_compound_enc_hdr_sz + \
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cb_sequence_enc_sz + \
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1 + 1 + 1)
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#define NFS4_dec_cb_recall_any_sz (cb_compound_dec_hdr_sz + \
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cb_sequence_dec_sz + \
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op_dec_sz)
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/*
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* 1: CB_GETATTR opcode (32-bit)
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* N: file_handle
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* 1: number of entry in attribute array (32-bit)
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* 1: entry 0 in attribute array (32-bit)
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*/
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#define NFS4_enc_cb_getattr_sz (cb_compound_enc_hdr_sz + \
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cb_sequence_enc_sz + \
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1 + enc_nfs4_fh_sz + 1 + 1)
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/*
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* 4: fattr_bitmap_maxsz
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* 1: attribute array len
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* 2: change attr (64-bit)
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* 2: size (64-bit)
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*/
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#define NFS4_dec_cb_getattr_sz (cb_compound_dec_hdr_sz + \
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cb_sequence_dec_sz + 4 + 1 + 2 + 2 + op_dec_sz)
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