diff options
| author | Namjae Jeon <linkinjeon@kernel.org> | 2023-12-15 08:35:00 +0900 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2024-01-09 12:52:33 -0600 |
| commit | b6e9a44e99603fe10e1d78901fdd97681a539612 (patch) | |
| tree | 1882a582cdf48f197f23cd7e30b397bc8a63f367 /fs/smb | |
| parent | 6fc0a265e1b932e5e97a038f99e29400a93baad0 (diff) | |
| download | linux-b6e9a44e99603fe10e1d78901fdd97681a539612.tar.gz | |
ksmbd: don't increment epoch if current state and request state are same
If existing lease state and request state are same, don't increment
epoch in create context.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/smb')
| -rw-r--r-- | fs/smb/server/oplock.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/smb/server/oplock.c b/fs/smb/server/oplock.c index 9a19d8b06c8c8..77f20d34ed9ae 100644 --- a/fs/smb/server/oplock.c +++ b/fs/smb/server/oplock.c @@ -105,7 +105,7 @@ static int alloc_lease(struct oplock_info *opinfo, struct lease_ctx_info *lctx) lease->is_dir = lctx->is_dir; memcpy(lease->parent_lease_key, lctx->parent_lease_key, SMB2_LEASE_KEY_SIZE); lease->version = lctx->version; - lease->epoch = le16_to_cpu(lctx->epoch); + lease->epoch = le16_to_cpu(lctx->epoch) + 1; INIT_LIST_HEAD(&opinfo->lease_entry); opinfo->o_lease = lease; @@ -541,6 +541,9 @@ static struct oplock_info *same_client_has_lease(struct ksmbd_inode *ci, continue; } + if (lctx->req_state != lease->state) + lease->epoch++; + /* upgrading lease */ if ((atomic_read(&ci->op_count) + atomic_read(&ci->sop_count)) == 1) { @@ -1035,7 +1038,7 @@ static void copy_lease(struct oplock_info *op1, struct oplock_info *op2) SMB2_LEASE_KEY_SIZE); lease2->duration = lease1->duration; lease2->flags = lease1->flags; - lease2->epoch = lease1->epoch++; + lease2->epoch = lease1->epoch; lease2->version = lease1->version; } @@ -1448,7 +1451,7 @@ void create_lease_buf(u8 *rbuf, struct lease *lease) memcpy(buf->lcontext.LeaseKey, lease->lease_key, SMB2_LEASE_KEY_SIZE); buf->lcontext.LeaseFlags = lease->flags; - buf->lcontext.Epoch = cpu_to_le16(++lease->epoch); + buf->lcontext.Epoch = cpu_to_le16(lease->epoch); buf->lcontext.LeaseState = lease->state; memcpy(buf->lcontext.ParentLeaseKey, lease->parent_lease_key, SMB2_LEASE_KEY_SIZE); |