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-rw-r--r--fs/cifs/cifsglob.h1
-rw-r--r--fs/cifs/file.c8
-rw-r--r--fs/cifs/smb2pdu.c14
-rw-r--r--fs/cifs/smb2pdu.h2
4 files changed, 19 insertions, 6 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 89a0d7f17cc7..59ab5a29d256 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -926,6 +926,7 @@ struct cifs_tcon {
bool broken_posix_open; /* e.g. Samba server versions < 3.3.2, 3.2.9 */
bool broken_sparse_sup; /* if server or share does not support sparse */
bool need_reconnect:1; /* connection reset, tid now invalid */
+ bool need_reopen_files:1; /* need to reopen tcon file handles */
bool use_resilient:1; /* use resilient instead of durable handles */
bool use_persistent:1; /* use persistent instead of durable handles */
#ifdef CONFIG_CIFS_SMB2
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 7f5f6176c6f1..18a1e1d6671f 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -777,6 +777,11 @@ cifs_reopen_persistent_handles(struct cifs_tcon *tcon)
struct list_head *tmp1;
struct list_head tmp_list;
+ if (!tcon->use_persistent || !tcon->need_reopen_files)
+ return;
+
+ tcon->need_reopen_files = false;
+
cifs_dbg(FYI, "Reopen persistent handles");
INIT_LIST_HEAD(&tmp_list);
@@ -793,7 +798,8 @@ cifs_reopen_persistent_handles(struct cifs_tcon *tcon)
list_for_each_safe(tmp, tmp1, &tmp_list) {
open_file = list_entry(tmp, struct cifsFileInfo, rlist);
- cifs_reopen_file(open_file, false /* do not flush */);
+ if (cifs_reopen_file(open_file, false /* do not flush */))
+ tcon->need_reopen_files = true;
list_del_init(&open_file->rlist);
cifsFileInfo_put(open_file);
}
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 4ba3f68a1766..87457227812c 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -250,16 +250,19 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon)
}
cifs_mark_open_files_invalid(tcon);
+ if (tcon->use_persistent)
+ tcon->need_reopen_files = true;
rc = SMB2_tcon(0, tcon->ses, tcon->treeName, tcon, nls_codepage);
mutex_unlock(&tcon->ses->session_mutex);
- if (tcon->use_persistent)
- cifs_reopen_persistent_handles(tcon);
-
cifs_dbg(FYI, "reconnect tcon rc = %d\n", rc);
if (rc)
goto out;
+
+ if (smb2_command != SMB2_INTERNAL_CMD)
+ queue_delayed_work(cifsiod_wq, &server->reconnect, 0);
+
atomic_inc(&tconInfoReconnectCount);
out:
/*
@@ -1990,7 +1993,7 @@ void smb2_reconnect_server(struct work_struct *work)
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
- if (tcon->need_reconnect) {
+ if (tcon->need_reconnect || tcon->need_reopen_files) {
tcon->tc_count++;
list_add_tail(&tcon->rlist, &tmp_list);
tcon_exist = true;
@@ -2007,7 +2010,8 @@ void smb2_reconnect_server(struct work_struct *work)
spin_unlock(&cifs_tcp_ses_lock);
list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) {
- smb2_reconnect(SMB2_ECHO, tcon);
+ if (!smb2_reconnect(SMB2_INTERNAL_CMD, tcon))
+ cifs_reopen_persistent_handles(tcon);
list_del_init(&tcon->rlist);
cifs_put_tcon(tcon);
}
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index fd3709e8de33..dc0d141f33e2 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -80,6 +80,8 @@
#define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE)
#define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
+#define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF)
+
#define NUMBER_OF_SMB2_COMMANDS 0x0013
/* BB FIXME - analyze following length BB */
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