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ksmbd: only v2 leases handle the directory

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commit 77bebd1864 upstream.

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Namjae Jeon 2024-01-15 10:24:54 +09:00 committed by Greg Kroah-Hartman
parent 24290ba94c
commit 08e6c82300
1 changed files with 6 additions and 0 deletions
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6
fs/smb/server/oplock.c
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@ -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;