linux-loongson/fs/smb/server/mgmt/ksmbd_ida.c
Namjae Jeon 0066f623bc ksmbd: use __GFP_RETRY_MAYFAIL
Prefer to report ENOMEM rather than incur the oom for allocations in
ksmbd. __GFP_NORETRY could not achieve that, It would fail the allocations
just too easily. __GFP_RETRY_MAYFAIL will keep retrying the allocation
until there is no more progress and fail the allocation instead go OOM
and let the caller to deal with it.

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
2024-11-25 18:58:02 -06:00

39 lines
713 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2018 Samsung Electronics Co., Ltd.
*/
#include "ksmbd_ida.h"
#include "../glob.h"
int ksmbd_acquire_smb2_tid(struct ida *ida)
{
return ida_alloc_range(ida, 1, 0xFFFFFFFE, KSMBD_DEFAULT_GFP);
}
int ksmbd_acquire_smb2_uid(struct ida *ida)
{
int id;
id = ida_alloc_min(ida, 1, KSMBD_DEFAULT_GFP);
if (id == 0xFFFE)
id = ida_alloc_min(ida, 1, KSMBD_DEFAULT_GFP);
return id;
}
int ksmbd_acquire_async_msg_id(struct ida *ida)
{
return ida_alloc_min(ida, 1, KSMBD_DEFAULT_GFP);
}
int ksmbd_acquire_id(struct ida *ida)
{
return ida_alloc(ida, KSMBD_DEFAULT_GFP);
}
void ksmbd_release_id(struct ida *ida, int id)
{
ida_free(ida, id);
}