From d7c8c94d3e4c1cab7feedbb34297caa5babe1a7f Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 3 Mar 2006 10:43:49 +0000 Subject: [PATCH] [CIFS] Fix slow oplock break response when mounts to different servers have same tid and we try to match oplock break to wrong tid. Signed-off-by: Steve French --- fs/cifs/cifsproto.h | 2 +- fs/cifs/connect.c | 2 +- fs/cifs/misc.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index b866e3a7ba67..2879ba343ca7 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -52,7 +52,7 @@ extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *, int * /* type of buf returned */ , const int long_op); extern int checkSMBhdr(struct smb_hdr *smb, __u16 mid); extern int checkSMB(struct smb_hdr *smb, __u16 mid, int length); -extern int is_valid_oplock_break(struct smb_hdr *smb); +extern int is_valid_oplock_break(struct smb_hdr *smb, struct TCP_Server_Info *); extern int is_size_safe_to_change(struct cifsInodeInfo *); extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *); extern unsigned int smbCalcSize(struct smb_hdr *ptr); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 3651deca4f24..0b86d5ca9014 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -630,7 +630,7 @@ multi_t2_fnd: smallbuf = NULL; } wake_up_process(task_to_wake); - } else if ((is_valid_oplock_break(smb_buffer) == FALSE) + } else if ((is_valid_oplock_break(smb_buffer, server) == FALSE) && (isMultiRsp == FALSE)) { cERROR(1, ("No task to wake, unknown frame rcvd!")); cifs_dump_mem("Received Data is: ",(char *)smb_buffer, diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 5d2fd70b50f8..fafd056426e4 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -481,7 +481,7 @@ checkSMB(struct smb_hdr *smb, __u16 mid, int length) return 0; } int -is_valid_oplock_break(struct smb_hdr *buf) +is_valid_oplock_break(struct smb_hdr *buf, struct TCP_Server_Info *srv) { struct smb_com_lock_req * pSMB = (struct smb_com_lock_req *)buf; struct list_head *tmp; @@ -541,7 +541,7 @@ is_valid_oplock_break(struct smb_hdr *buf) read_lock(&GlobalSMBSeslock); list_for_each(tmp, &GlobalTreeConnectionList) { tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList); - if (tcon->tid == buf->Tid) { + if ((tcon->tid == buf->Tid) && (srv == tcon->ses->server)) { cifs_stats_inc(&tcon->num_oplock_brks); list_for_each(tmp1,&tcon->openFileList){ netfile = list_entry(tmp1,struct cifsFileInfo, -- 2.39.5