nfs4proc.c (db985cbd67c45f875ef43cb5febfaa8cbd203c27) nfs4proc.c (24bab491220faa446d945624086d838af41d616c)
1/*
2 * Server-side procedures for NFSv4.
3 *
4 * Copyright (c) 2002 The Regents of the University of Michigan.
5 * All rights reserved.
6 *
7 * Kendrick Smith <kmsmith@umich.edu>
8 * Andy Adamson <andros@umich.edu>

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1008 if (filp)
1009 fput(filp);
1010
1011 write->wr_bytes_written = cnt;
1012
1013 return status;
1014}
1015
1/*
2 * Server-side procedures for NFSv4.
3 *
4 * Copyright (c) 2002 The Regents of the University of Michigan.
5 * All rights reserved.
6 *
7 * Kendrick Smith <kmsmith@umich.edu>
8 * Andy Adamson <andros@umich.edu>

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1008 if (filp)
1009 fput(filp);
1010
1011 write->wr_bytes_written = cnt;
1012
1013 return status;
1014}
1015
1016static __be32
1017nfsd4_seek(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
1018 struct nfsd4_seek *seek)
1019{
1020 int whence;
1021 __be32 status;
1022 struct file *file;
1023
1024 status = nfs4_preprocess_stateid_op(SVC_NET(rqstp), cstate,
1025 &seek->seek_stateid,
1026 RD_STATE, &file);
1027 if (status) {
1028 dprintk("NFSD: nfsd4_seek: couldn't process stateid!\n");
1029 return status;
1030 }
1031
1032 switch (seek->seek_whence) {
1033 case NFS4_CONTENT_DATA:
1034 whence = SEEK_DATA;
1035 break;
1036 case NFS4_CONTENT_HOLE:
1037 whence = SEEK_HOLE;
1038 break;
1039 default:
1040 status = nfserr_union_notsupp;
1041 goto out;
1042 }
1043
1044 /*
1045 * Note: This call does change file->f_pos, but nothing in NFSD
1046 * should ever file->f_pos.
1047 */
1048 seek->seek_pos = vfs_llseek(file, seek->seek_offset, whence);
1049 if (seek->seek_pos < 0)
1050 status = nfserrno(seek->seek_pos);
1051 else if (seek->seek_pos >= i_size_read(file_inode(file)))
1052 seek->seek_eof = true;
1053
1054out:
1055 fput(file);
1056 return status;
1057}
1058
1016/* This routine never returns NFS_OK! If there are no other errors, it
1017 * will return NFSERR_SAME or NFSERR_NOT_SAME depending on whether the
1018 * attributes matched. VERIFY is implemented by mapping NFSERR_SAME
1019 * to NFS_OK after the call; NVERIFY by mapping NFSERR_NOT_SAME to NFS_OK.
1020 */
1021static __be32
1022_nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
1023 struct nfsd4_verify *verify)

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1876 },
1877 [OP_FREE_STATEID] = {
1878 .op_func = (nfsd4op_func)nfsd4_free_stateid,
1879 .op_flags = ALLOWED_WITHOUT_FH | OP_MODIFIES_SOMETHING,
1880 .op_name = "OP_FREE_STATEID",
1881 .op_get_currentstateid = (stateid_getter)nfsd4_get_freestateid,
1882 .op_rsize_bop = (nfsd4op_rsize)nfsd4_only_status_rsize,
1883 },
1059/* This routine never returns NFS_OK! If there are no other errors, it
1060 * will return NFSERR_SAME or NFSERR_NOT_SAME depending on whether the
1061 * attributes matched. VERIFY is implemented by mapping NFSERR_SAME
1062 * to NFS_OK after the call; NVERIFY by mapping NFSERR_NOT_SAME to NFS_OK.
1063 */
1064static __be32
1065_nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
1066 struct nfsd4_verify *verify)

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1919 },
1920 [OP_FREE_STATEID] = {
1921 .op_func = (nfsd4op_func)nfsd4_free_stateid,
1922 .op_flags = ALLOWED_WITHOUT_FH | OP_MODIFIES_SOMETHING,
1923 .op_name = "OP_FREE_STATEID",
1924 .op_get_currentstateid = (stateid_getter)nfsd4_get_freestateid,
1925 .op_rsize_bop = (nfsd4op_rsize)nfsd4_only_status_rsize,
1926 },
1927
1928 /* NFSv4.2 operations */
1929 [OP_SEEK] = {
1930 .op_func = (nfsd4op_func)nfsd4_seek,
1931 .op_name = "OP_SEEK",
1932 },
1884};
1885
1886int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op)
1887{
1888 struct nfsd4_operation *opdesc;
1889 nfsd4op_rsize estimator;
1890
1891 if (op->opnum == OP_ILLEGAL)

--- 60 unchanged lines hidden --- 		1933};
1934
1935int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op)
1936{
1937 struct nfsd4_operation *opdesc;
1938 nfsd4op_rsize estimator;
1939
1940 if (op->opnum == OP_ILLEGAL)

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