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nfsd: add some kerneldoc comments for stateid preprocessing functions 

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Jeff Layton 2023-01-18 12:31:38 -05:00 committed by Chuck Lever
parent 45ba66cc2c
commit ee97e73015
1 changed files with 25 additions and 4 deletions
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29
fs/nfsd/nfs4state.c
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@ -6539,8 +6539,19 @@ void nfs4_put_cpntf_state(struct nfsd_net *nn, struct nfs4_cpntf_state *cps)
spin_unlock(&nn->s2s_cp_lock);
}
/*
* Checks for stateid operations
/**
* nfs4_preprocess_stateid_op - find and prep stateid for an operation
* @rqstp: incoming request from client
* @cstate: current compound state
* @fhp: filehandle associated with requested stateid
* @stateid: stateid (provided by client)
* @flags: flags describing type of operation to be done
* @nfp: optional nfsd_file return pointer (may be NULL)
* @cstid: optional returned nfs4_stid pointer (may be NULL)
*
* Given info from the client, look up a nfs4_stid for the operation. On
* success, it returns a reference to the nfs4_stid and/or the nfsd_file
* associated with it.
*/
__be32
nfs4_preprocess_stateid_op(struct svc_rqst *rqstp,
@ -6729,8 +6740,18 @@ static __be32 nfs4_seqid_op_checks(struct nfsd4_compound_state *cstate, stateid_
return status;
}
/*
* Checks for sequence id mutating operations.
/**
* nfs4_preprocess_seqid_op - find and prep an ol_stateid for a seqid-morphing op
* @cstate: compund state
* @seqid: seqid (provided by client)
* @stateid: stateid (provided by client)
* @typemask: mask of allowable types for this operation
* @stpp: return pointer for the stateid found
* @nn: net namespace for request
*
* Given a stateid+seqid from a client, look up an nfs4_ol_stateid and
* return it in @stpp. On a nfs_ok return, the returned stateid will
* have its st_mutex locked.
*/
static __be32
nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,