[PATCH] knfsd: nfsd4: reorganize compound ops
Define an op descriptor struct, use it to simplify nfsd4_proc_compound(). Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
J.Bruce Fields
committed by
Linus Torvalds
Linus Torvalds
parent
c954e2a5d1
commit
b591480bbe
@@ -258,7 +258,8 @@ out:
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* filehandle-manipulating ops.
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*/
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static __be32
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nfsd4_getfh(struct nfsd4_compound_state *cstate, struct svc_fh **getfh)
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nfsd4_getfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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struct svc_fh **getfh)
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{
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if (!cstate->current_fh.fh_dentry)
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return nfserr_nofilehandle;
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@@ -279,7 +280,8 @@ nfsd4_putfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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}
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static __be32
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nfsd4_putrootfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate)
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nfsd4_putrootfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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void *arg)
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{
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__be32 status;
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@@ -290,7 +292,8 @@ nfsd4_putrootfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate)
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}
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static __be32
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nfsd4_restorefh(struct nfsd4_compound_state *cstate)
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nfsd4_restorefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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void *arg)
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{
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if (!cstate->save_fh.fh_dentry)
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return nfserr_restorefh;
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@@ -300,7 +303,8 @@ nfsd4_restorefh(struct nfsd4_compound_state *cstate)
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}
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static __be32
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nfsd4_savefh(struct nfsd4_compound_state *cstate)
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nfsd4_savefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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void *arg)
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{
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if (!cstate->current_fh.fh_dentry)
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return nfserr_nofilehandle;
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@@ -463,7 +467,8 @@ nfsd4_link(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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}
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static __be32
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nfsd4_lookupp(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate)
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nfsd4_lookupp(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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void *arg)
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{
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struct svc_fh tmp_fh;
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__be32 ret;
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@@ -791,6 +796,16 @@ static struct nfsd4_compound_state *cstate_alloc(void)
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return cstate;
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}
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typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *,
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void *);
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struct nfsd4_operation {
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nfsd4op_func op_func;
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u32 op_flags;
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};
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static struct nfsd4_operation nfsd4_ops[];
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/*
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* COMPOUND call.
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*/
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@@ -800,6 +815,7 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
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struct nfsd4_compoundres *resp)
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{
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struct nfsd4_op *op;
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struct nfsd4_operation *opdesc;
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struct nfsd4_compound_state *cstate = NULL;
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int slack_bytes;
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__be32 status;
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@@ -854,6 +870,8 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
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goto encode_op;
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}
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opdesc = &nfsd4_ops[op->opnum];
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/* All operations except RENEW, SETCLIENTID, RESTOREFH
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* SETCLIENTID_CONFIRM, PUTFH and PUTROOTFH
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* require a valid current filehandle
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@@ -883,127 +901,11 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
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op->status = nfserr_moved;
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goto encode_op;
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}
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switch (op->opnum) {
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case OP_ACCESS:
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op->status = nfsd4_access(rqstp, cstate,
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&op->u.access);
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break;
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case OP_CLOSE:
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op->status = nfsd4_close(rqstp, cstate,
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&op->u.close);
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break;
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case OP_COMMIT:
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op->status = nfsd4_commit(rqstp, cstate,
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&op->u.commit);
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break;
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case OP_CREATE:
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op->status = nfsd4_create(rqstp, cstate,
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&op->u.create);
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break;
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case OP_DELEGRETURN:
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op->status = nfsd4_delegreturn(rqstp, cstate,
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&op->u.delegreturn);
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break;
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case OP_GETATTR:
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op->status = nfsd4_getattr(rqstp, cstate,
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&op->u.getattr);
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break;
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case OP_GETFH:
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op->status = nfsd4_getfh(cstate, &op->u.getfh);
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break;
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case OP_LINK:
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op->status = nfsd4_link(rqstp, cstate, &op->u.link);
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break;
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case OP_LOCK:
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op->status = nfsd4_lock(rqstp, cstate, &op->u.lock);
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break;
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case OP_LOCKT:
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op->status = nfsd4_lockt(rqstp, cstate, &op->u.lockt);
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break;
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case OP_LOCKU:
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op->status = nfsd4_locku(rqstp, cstate, &op->u.locku);
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break;
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case OP_LOOKUP:
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op->status = nfsd4_lookup(rqstp, cstate,
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&op->u.lookup);
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break;
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case OP_LOOKUPP:
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op->status = nfsd4_lookupp(rqstp, cstate);
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break;
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case OP_NVERIFY:
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op->status = nfsd4_nverify(rqstp, cstate,
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&op->u.nverify);
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break;
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case OP_OPEN:
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op->status = nfsd4_open(rqstp, cstate,
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&op->u.open);
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break;
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case OP_OPEN_CONFIRM:
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op->status = nfsd4_open_confirm(rqstp, cstate,
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&op->u.open_confirm);
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break;
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case OP_OPEN_DOWNGRADE:
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op->status = nfsd4_open_downgrade(rqstp, cstate,
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&op->u.open_downgrade);
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break;
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case OP_PUTFH:
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op->status = nfsd4_putfh(rqstp, cstate, &op->u.putfh);
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break;
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case OP_PUTROOTFH:
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op->status = nfsd4_putrootfh(rqstp, cstate);
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break;
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case OP_READ:
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op->status = nfsd4_read(rqstp, cstate, &op->u.read);
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break;
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case OP_READDIR:
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op->status = nfsd4_readdir(rqstp, cstate,
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&op->u.readdir);
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break;
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case OP_READLINK:
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op->status = nfsd4_readlink(rqstp, cstate,
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&op->u.readlink);
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break;
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case OP_REMOVE:
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op->status = nfsd4_remove(rqstp, cstate,
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&op->u.remove);
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break;
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case OP_RENAME:
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op->status = nfsd4_rename(rqstp, cstate,
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&op->u.rename);
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break;
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case OP_RENEW:
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op->status = nfsd4_renew(&op->u.renew);
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break;
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case OP_RESTOREFH:
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op->status = nfsd4_restorefh(cstate);
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break;
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case OP_SAVEFH:
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op->status = nfsd4_savefh(cstate);
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break;
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case OP_SETATTR:
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op->status = nfsd4_setattr(rqstp, cstate,
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&op->u.setattr);
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break;
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case OP_SETCLIENTID:
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op->status = nfsd4_setclientid(rqstp, &op->u.setclientid);
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break;
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case OP_SETCLIENTID_CONFIRM:
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op->status = nfsd4_setclientid_confirm(rqstp, &op->u.setclientid_confirm);
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break;
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case OP_VERIFY:
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op->status = nfsd4_verify(rqstp, cstate,
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&op->u.verify);
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break;
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case OP_WRITE:
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op->status = nfsd4_write(rqstp, cstate, &op->u.write);
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break;
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case OP_RELEASE_LOCKOWNER:
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op->status = nfsd4_release_lockowner(rqstp, &op->u.release_lockowner);
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break;
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default:
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if (opdesc->op_func)
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op->status = opdesc->op_func(rqstp, cstate, &op->u);
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else
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BUG_ON(op->status == nfs_ok);
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break;
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}
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encode_op:
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if (op->status == nfserr_replay_me) {
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@@ -1031,6 +933,108 @@ out:
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return status;
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}
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static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = {
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[OP_ACCESS] = {
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.op_func = (nfsd4op_func)nfsd4_access,
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},
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[OP_CLOSE] = {
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.op_func = (nfsd4op_func)nfsd4_close,
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},
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[OP_COMMIT] = {
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.op_func = (nfsd4op_func)nfsd4_commit,
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},
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[OP_CREATE] = {
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.op_func = (nfsd4op_func)nfsd4_create,
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},
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[OP_DELEGRETURN] = {
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.op_func = (nfsd4op_func)nfsd4_delegreturn,
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},
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[OP_GETATTR] = {
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.op_func = (nfsd4op_func)nfsd4_getattr,
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},
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[OP_GETFH] = {
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.op_func = (nfsd4op_func)nfsd4_getfh,
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},
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[OP_LINK] = {
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.op_func = (nfsd4op_func)nfsd4_link,
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},
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[OP_LOCK] = {
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.op_func = (nfsd4op_func)nfsd4_lock,
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},
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[OP_LOCKT] = {
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.op_func = (nfsd4op_func)nfsd4_lockt,
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},
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[OP_LOCKU] = {
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.op_func = (nfsd4op_func)nfsd4_locku,
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},
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[OP_LOOKUP] = {
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.op_func = (nfsd4op_func)nfsd4_lookup,
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},
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[OP_LOOKUPP] = {
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.op_func = (nfsd4op_func)nfsd4_lookupp,
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},
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[OP_NVERIFY] = {
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.op_func = (nfsd4op_func)nfsd4_nverify,
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},
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[OP_OPEN] = {
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.op_func = (nfsd4op_func)nfsd4_open,
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},
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[OP_OPEN_CONFIRM] = {
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.op_func = (nfsd4op_func)nfsd4_open_confirm,
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},
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[OP_OPEN_DOWNGRADE] = {
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.op_func = (nfsd4op_func)nfsd4_open_downgrade,
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},
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[OP_PUTFH] = {
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.op_func = (nfsd4op_func)nfsd4_putfh,
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},
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[OP_PUTROOTFH] = {
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.op_func = (nfsd4op_func)nfsd4_putrootfh,
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},
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[OP_READ] = {
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.op_func = (nfsd4op_func)nfsd4_read,
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},
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[OP_READDIR] = {
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.op_func = (nfsd4op_func)nfsd4_readdir,
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},
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[OP_READLINK] = {
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.op_func = (nfsd4op_func)nfsd4_readlink,
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},
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[OP_REMOVE] = {
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.op_func = (nfsd4op_func)nfsd4_remove,
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},
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[OP_RENAME] = {
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.op_func = (nfsd4op_func)nfsd4_rename,
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},
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[OP_RENEW] = {
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.op_func = (nfsd4op_func)nfsd4_renew,
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},
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[OP_RESTOREFH] = {
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.op_func = (nfsd4op_func)nfsd4_restorefh,
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},
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[OP_SAVEFH] = {
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.op_func = (nfsd4op_func)nfsd4_savefh,
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},
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[OP_SETATTR] = {
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.op_func = (nfsd4op_func)nfsd4_setattr,
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},
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[OP_SETCLIENTID] = {
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.op_func = (nfsd4op_func)nfsd4_setclientid,
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},
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[OP_SETCLIENTID_CONFIRM] = {
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.op_func = (nfsd4op_func)nfsd4_setclientid_confirm,
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},
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[OP_VERIFY] = {
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.op_func = (nfsd4op_func)nfsd4_verify,
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},
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[OP_WRITE] = {
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.op_func = (nfsd4op_func)nfsd4_write,
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},
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[OP_RELEASE_LOCKOWNER] = {
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.op_func = (nfsd4op_func)nfsd4_release_lockowner,
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},
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};
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#define nfs4svc_decode_voidargs NULL
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#define nfs4svc_release_void NULL
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#define nfsd4_voidres nfsd4_voidargs
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