static int
smb_fem_oplock_vnevent(
femarg_t *arg,
vnevent_t vnevent,
vnode_t *dvp,
char *name,
caller_context_t *ct)
{
uint32_t flags;
int rc = 0;
if (ct != &smb_ct) {
switch (vnevent) {
case VE_REMOVE:
case VE_RENAME_DEST:
flags = SMB_OPLOCK_BREAK_TO_NONE |
SMB_OPLOCK_BREAK_BATCH;
rc = smb_fem_oplock_break(arg, ct, flags);
break;
case VE_RENAME_SRC:
flags = SMB_OPLOCK_BREAK_TO_LEVEL_II |
SMB_OPLOCK_BREAK_BATCH;
rc = smb_fem_oplock_break(arg, ct, flags);
break;
default:
rc = 0;
break;
}
}
if (rc == 0)
rc = vnext_vnevent(arg, vnevent, dvp, name, ct);
return (rc);
}
/*
* FEM oplock monitors
*
* The monitors below are not intended to intercept CIFS calls.
* CIFS higher-level routines will break oplocks as needed prior
* to getting to the VFS layer.
*/
static int
smb_fem_oplock_open(
femarg_t *arg,
int mode,
cred_t *cr,
caller_context_t *ct)
{
int rc;
rc = smb_fem_oplock_break(arg, ct);
if (rc == 0)
rc = vnext_open(arg, mode, cr, ct);
return (rc);
}
static int
smb_fem_oplock_setsecattr(
femarg_t *arg,
vsecattr_t *vsap,
int flag,
cred_t *cr,
caller_context_t *ct)
{
int rc;
rc = smb_fem_oplock_break(arg, ct);
if (rc == 0)
rc = vnext_setsecattr(arg, vsap, flag, cr, ct);
return (rc);
}
static int
smb_fem_oplock_rwlock(
femarg_t *arg,
int write_lock,
caller_context_t *ct)
{
if (write_lock) {
int rc;
rc = smb_fem_oplock_break(arg, ct);
if (rc != 0)
return (rc);
}
return (vnext_rwlock(arg, write_lock, ct));
}
static int
smb_fem_oplock_write(
femarg_t *arg,
uio_t *uiop,
int ioflag,
cred_t *cr,
caller_context_t *ct)
{
int rc;
rc = smb_fem_oplock_break(arg, ct);
if (rc == 0)
rc = vnext_write(arg, uiop, ioflag, cr, ct);
return (rc);
}
static int
smb_fem_oplock_setattr(
femarg_t *arg,
vattr_t *vap,
int flags,
cred_t *cr,
caller_context_t *ct)
{
int rc = 0;
if (ct != &smb_ct && (vap->va_mask & AT_SIZE) != 0)
rc = smb_fem_oplock_break(arg, ct, SMB_OPLOCK_BREAK_TO_NONE);
if (rc == 0)
rc = vnext_setattr(arg, vap, flags, cr, ct);
return (rc);
}
static int
smb_fem_oplock_space(
femarg_t *arg,
int cmd,
flock64_t *bfp,
int flag,
offset_t offset,
cred_t *cr,
caller_context_t *ct)
{
int rc;
rc = smb_fem_oplock_break(arg, ct);
if (rc == 0)
rc = vnext_space(arg, cmd, bfp, flag, offset, cr, ct);
return (rc);
}
static int
smb_fem_oplock_write(
femarg_t *arg,
uio_t *uiop,
int ioflag,
cred_t *cr,
caller_context_t *ct)
{
int rc = 0;
if (ct != &smb_ct)
rc = smb_fem_oplock_break(arg, ct, SMB_OPLOCK_BREAK_TO_NONE);
if (rc == 0)
rc = vnext_write(arg, uiop, ioflag, cr, ct);
return (rc);
}
static int
smb_fem_oplock_space(
femarg_t *arg,
int cmd,
flock64_t *bfp,
int flag,
offset_t offset,
cred_t *cr,
caller_context_t *ct)
{
int rc = 0;
if (ct != &smb_ct)
rc = smb_fem_oplock_break(arg, ct, SMB_OPLOCK_BREAK_TO_NONE);
if (rc == 0)
rc = vnext_space(arg, cmd, bfp, flag, offset, cr, ct);
return (rc);
}
static int
smb_fem_oplock_rwlock(
femarg_t *arg,
int write_lock,
caller_context_t *ct)
{
uint32_t flags;
int rc = 0;
if (ct != &smb_ct) {
if (write_lock)
flags = SMB_OPLOCK_BREAK_TO_NONE;
else
flags = SMB_OPLOCK_BREAK_TO_LEVEL_II;
rc = smb_fem_oplock_break(arg, ct, flags);
}
if (rc == 0)
rc = vnext_rwlock(arg, write_lock, ct);
return (rc);
}
/*
* FEM oplock monitors
*
* The monitors below are not intended to intercept CIFS calls.
* CIFS higher-level routines will break oplocks as needed prior
* to getting to the VFS layer.
*/
static int
smb_fem_oplock_open(
femarg_t *arg,
int mode,
cred_t *cr,
caller_context_t *ct)
{
uint32_t flags;
int rc = 0;
if (ct != &smb_ct) {
if (mode & (FWRITE|FTRUNC))
flags = SMB_OPLOCK_BREAK_TO_NONE;
else
flags = SMB_OPLOCK_BREAK_TO_LEVEL_II;
rc = smb_fem_oplock_break(arg, ct, flags);
}
if (rc == 0)
rc = vnext_open(arg, mode, cr, ct);
return (rc);
}
static int
smb_fem_oplock_vnevent(
femarg_t *arg,
vnevent_t vnevent,
vnode_t *dvp,
char *name,
caller_context_t *ct)
{
int rc;
switch (vnevent) {
case VE_REMOVE:
case VE_RENAME_DEST:
case VE_RENAME_SRC:
rc = smb_fem_oplock_break(arg, ct);
if (rc != 0)
return (rc);
break;
default:
break;
}
return (vnext_vnevent(arg, vnevent, dvp, name, ct));
}
