5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Namjae Jeon linkinjeon@kernel.org
[ Upstream commit 77bebd186442a7d703b796784db7495129cc3e70 ]
When smb2 leases is disable, ksmbd can send oplock break notification and cause wait oplock break ack timeout. It may appear like hang when accessing a directory. This patch make only v2 leases handle the directory.
Cc: stable@vger.kernel.org Signed-off-by: Namjae Jeon linkinjeon@kernel.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/ksmbd/oplock.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/fs/ksmbd/oplock.c b/fs/ksmbd/oplock.c index 2da256259722..678627659803 100644 --- a/fs/ksmbd/oplock.c +++ b/fs/ksmbd/oplock.c @@ -1191,6 +1191,12 @@ int smb_grant_oplock(struct ksmbd_work *work, int req_op_level, u64 pid, bool prev_op_has_lease; __le32 prev_op_state = 0;
+ /* Only v2 leases handle the directory */ + if (S_ISDIR(file_inode(fp->filp)->i_mode)) { + if (!lctx || lctx->version != 2) + return 0; + } + opinfo = alloc_opinfo(work, pid, tid); if (!opinfo) return -ENOMEM;