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[PATCH] knfsd: nfsd4: simplify filehandle check 

Kill another big "if" clause.

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 2006-12-13 00:35:43 -08:00 committed by Linus Torvalds
parent eeac294ebd
commit 27d630ece0
1 changed files with 12 additions and 17 deletions
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29
fs/nfsd/nfs4proc.c
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@ -802,8 +802,10 @@ typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *,
struct nfsd4_operation { struct nfsd4_operation {
nfsd4op_func op_func; nfsd4op_func op_func;
u32 op_flags; u32 op_flags;
/* Most ops require a valid current filehandle; a few don't: */
#define ALLOWED_WITHOUT_FH 1
/* GETATTR and ops not listed as returning NFS4ERR_MOVED: */ /* GETATTR and ops not listed as returning NFS4ERR_MOVED: */
#define ALLOWED_ON_ABSENT_FS 1 #define ALLOWED_ON_ABSENT_FS 2
}; };
static struct nfsd4_operation nfsd4_ops[]; static struct nfsd4_operation nfsd4_ops[];
@ -874,18 +876,8 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
opdesc = &nfsd4_ops[op->opnum]; opdesc = &nfsd4_ops[op->opnum];
/* All operations except RENEW, SETCLIENTID, RESTOREFH
* SETCLIENTID_CONFIRM, PUTFH and PUTROOTFH
* require a valid current filehandle
*/
if (!cstate->current_fh.fh_dentry) { if (!cstate->current_fh.fh_dentry) {
if (!((op->opnum == OP_PUTFH) || if (!(opdesc->op_flags & ALLOWED_WITHOUT_FH)) {
(op->opnum == OP_PUTROOTFH) ||
(op->opnum == OP_SETCLIENTID) ||
(op->opnum == OP_SETCLIENTID_CONFIRM) ||
(op->opnum == OP_RENEW) ||
(op->opnum == OP_RESTOREFH) ||
(op->opnum == OP_RELEASE_LOCKOWNER))) {
op->status = nfserr_nofilehandle; op->status = nfserr_nofilehandle;
goto encode_op; goto encode_op;
} }
@ -981,14 +973,15 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = {
}, },
[OP_PUTFH] = { [OP_PUTFH] = {
.op_func = (nfsd4op_func)nfsd4_putfh, .op_func = (nfsd4op_func)nfsd4_putfh,
.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
}, },
[OP_PUTPUBFH] = { [OP_PUTPUBFH] = {
/* unsupported; just for future reference: */ /* unsupported; just for future reference: */
.op_flags = ALLOWED_ON_ABSENT_FS, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
}, },
[OP_PUTROOTFH] = { [OP_PUTROOTFH] = {
.op_func = (nfsd4op_func)nfsd4_putrootfh, .op_func = (nfsd4op_func)nfsd4_putrootfh,
.op_flags = ALLOWED_ON_ABSENT_FS, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
}, },
[OP_READ] = { [OP_READ] = {
.op_func = (nfsd4op_func)nfsd4_read, .op_func = (nfsd4op_func)nfsd4_read,
@ -1007,10 +1000,11 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = {
}, },
[OP_RENEW] = { [OP_RENEW] = {
.op_func = (nfsd4op_func)nfsd4_renew, .op_func = (nfsd4op_func)nfsd4_renew,
.op_flags = ALLOWED_ON_ABSENT_FS, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
}, },
[OP_RESTOREFH] = { [OP_RESTOREFH] = {
.op_func = (nfsd4op_func)nfsd4_restorefh, .op_func = (nfsd4op_func)nfsd4_restorefh,
.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
}, },
[OP_SAVEFH] = { [OP_SAVEFH] = {
.op_func = (nfsd4op_func)nfsd4_savefh, .op_func = (nfsd4op_func)nfsd4_savefh,
@ -1020,10 +1014,11 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = {
}, },
[OP_SETCLIENTID] = { [OP_SETCLIENTID] = {
.op_func = (nfsd4op_func)nfsd4_setclientid, .op_func = (nfsd4op_func)nfsd4_setclientid,
.op_flags = ALLOWED_ON_ABSENT_FS, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
}, },
[OP_SETCLIENTID_CONFIRM] = { [OP_SETCLIENTID_CONFIRM] = {
.op_func = (nfsd4op_func)nfsd4_setclientid_confirm, .op_func = (nfsd4op_func)nfsd4_setclientid_confirm,
.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
}, },
[OP_VERIFY] = { [OP_VERIFY] = {
.op_func = (nfsd4op_func)nfsd4_verify, .op_func = (nfsd4op_func)nfsd4_verify,
@ -1033,7 +1028,7 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = {
}, },
[OP_RELEASE_LOCKOWNER] = { [OP_RELEASE_LOCKOWNER] = {
.op_func = (nfsd4op_func)nfsd4_release_lockowner, .op_func = (nfsd4op_func)nfsd4_release_lockowner,
.op_flags = ALLOWED_ON_ABSENT_FS, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
}, },
}; };