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| author | J.Bruce Fields <bfields@fieldses.org> | 2006-12-13 00:35:43 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-13 09:05:54 -0800 |
| commit | 27d630ece08ae15e35d54201665c247a9fae584c (patch) | |
| tree | f679628de2d82d809303d1ca838afececed4ebaf /fs/nfsd | |
| parent | eeac294ebd9254a937d90b00c48863e3af229047 (diff) | |
| download | lwn-27d630ece08ae15e35d54201665c247a9fae584c.tar.gz lwn-27d630ece08ae15e35d54201665c247a9fae584c.zip | |
[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>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 3a652e741374..8522729830db 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -802,8 +802,10 @@ typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_operation { nfsd4op_func op_func; 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: */ -#define ALLOWED_ON_ABSENT_FS 1 +#define ALLOWED_ON_ABSENT_FS 2 }; static struct nfsd4_operation nfsd4_ops[]; @@ -874,18 +876,8 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, 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 (!((op->opnum == OP_PUTFH) || - (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))) { + if (!(opdesc->op_flags & ALLOWED_WITHOUT_FH)) { op->status = nfserr_nofilehandle; goto encode_op; } @@ -981,14 +973,15 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = { }, [OP_PUTFH] = { .op_func = (nfsd4op_func)nfsd4_putfh, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, }, [OP_PUTPUBFH] = { /* unsupported; just for future reference: */ - .op_flags = ALLOWED_ON_ABSENT_FS, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, }, [OP_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_func = (nfsd4op_func)nfsd4_read, @@ -1007,10 +1000,11 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = { }, [OP_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_func = (nfsd4op_func)nfsd4_restorefh, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, }, [OP_SAVEFH] = { .op_func = (nfsd4op_func)nfsd4_savefh, @@ -1020,10 +1014,11 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = { }, [OP_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_func = (nfsd4op_func)nfsd4_setclientid_confirm, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, }, [OP_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_func = (nfsd4op_func)nfsd4_release_lockowner, - .op_flags = ALLOWED_ON_ABSENT_FS, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, }, }; |