NFSv4.1: Ensure we clear the SP4_MACH_CRED flags in nfs4_sp4_select_mode()
If the server changes, so that it no longer supports SP4_MACH_CRED, or that it doesn't support the same set of SP4_MACH_CRED functionality, then we want to ensure that we clear the unsupported flags. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
parent
9c760d1fd5
commit
937e3133cd
|
@ -7319,7 +7319,9 @@ static int nfs4_sp4_select_mode(struct nfs_client *clp,
|
|||
1 << (OP_DESTROY_SESSION - 32) |
|
||||
1 << (OP_DESTROY_CLIENTID - 32)
|
||||
};
|
||||
unsigned long flags = 0;
|
||||
unsigned int i;
|
||||
int ret = 0;
|
||||
|
||||
if (sp->how == SP4_MACH_CRED) {
|
||||
/* Print state protect result */
|
||||
|
@ -7335,7 +7337,8 @@ static int nfs4_sp4_select_mode(struct nfs_client *clp,
|
|||
for (i = 0; i < NFS4_OP_MAP_NUM_WORDS; i++) {
|
||||
if (sp->enforce.u.words[i] & ~supported_enforce[i]) {
|
||||
dfprintk(MOUNT, "sp4_mach_cred: disabled\n");
|
||||
return -EINVAL;
|
||||
ret = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -7354,10 +7357,11 @@ static int nfs4_sp4_select_mode(struct nfs_client *clp,
|
|||
test_bit(OP_DESTROY_CLIENTID, sp->enforce.u.longs)) {
|
||||
dfprintk(MOUNT, "sp4_mach_cred:\n");
|
||||
dfprintk(MOUNT, " minimal mode enabled\n");
|
||||
set_bit(NFS_SP4_MACH_CRED_MINIMAL, &clp->cl_sp4_flags);
|
||||
__set_bit(NFS_SP4_MACH_CRED_MINIMAL, &flags);
|
||||
} else {
|
||||
dfprintk(MOUNT, "sp4_mach_cred: disabled\n");
|
||||
return -EINVAL;
|
||||
ret = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (test_bit(OP_CLOSE, sp->allow.u.longs) &&
|
||||
|
@ -7365,38 +7369,38 @@ static int nfs4_sp4_select_mode(struct nfs_client *clp,
|
|||
test_bit(OP_DELEGRETURN, sp->allow.u.longs) &&
|
||||
test_bit(OP_LOCKU, sp->allow.u.longs)) {
|
||||
dfprintk(MOUNT, " cleanup mode enabled\n");
|
||||
set_bit(NFS_SP4_MACH_CRED_CLEANUP, &clp->cl_sp4_flags);
|
||||
__set_bit(NFS_SP4_MACH_CRED_CLEANUP, &flags);
|
||||
}
|
||||
|
||||
if (test_bit(OP_LAYOUTRETURN, sp->allow.u.longs)) {
|
||||
dfprintk(MOUNT, " pnfs cleanup mode enabled\n");
|
||||
set_bit(NFS_SP4_MACH_CRED_PNFS_CLEANUP,
|
||||
&clp->cl_sp4_flags);
|
||||
__set_bit(NFS_SP4_MACH_CRED_PNFS_CLEANUP, &flags);
|
||||
}
|
||||
|
||||
if (test_bit(OP_SECINFO, sp->allow.u.longs) &&
|
||||
test_bit(OP_SECINFO_NO_NAME, sp->allow.u.longs)) {
|
||||
dfprintk(MOUNT, " secinfo mode enabled\n");
|
||||
set_bit(NFS_SP4_MACH_CRED_SECINFO, &clp->cl_sp4_flags);
|
||||
__set_bit(NFS_SP4_MACH_CRED_SECINFO, &flags);
|
||||
}
|
||||
|
||||
if (test_bit(OP_TEST_STATEID, sp->allow.u.longs) &&
|
||||
test_bit(OP_FREE_STATEID, sp->allow.u.longs)) {
|
||||
dfprintk(MOUNT, " stateid mode enabled\n");
|
||||
set_bit(NFS_SP4_MACH_CRED_STATEID, &clp->cl_sp4_flags);
|
||||
__set_bit(NFS_SP4_MACH_CRED_STATEID, &flags);
|
||||
}
|
||||
|
||||
if (test_bit(OP_WRITE, sp->allow.u.longs)) {
|
||||
dfprintk(MOUNT, " write mode enabled\n");
|
||||
set_bit(NFS_SP4_MACH_CRED_WRITE, &clp->cl_sp4_flags);
|
||||
__set_bit(NFS_SP4_MACH_CRED_WRITE, &flags);
|
||||
}
|
||||
|
||||
if (test_bit(OP_COMMIT, sp->allow.u.longs)) {
|
||||
dfprintk(MOUNT, " commit mode enabled\n");
|
||||
set_bit(NFS_SP4_MACH_CRED_COMMIT, &clp->cl_sp4_flags);
|
||||
__set_bit(NFS_SP4_MACH_CRED_COMMIT, &flags);
|
||||
}
|
||||
}
|
||||
|
||||
out:
|
||||
clp->cl_sp4_flags = flags;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue