aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--fs/cifs/cifs_debug.c8
-rw-r--r--fs/cifs/cifs_swn.h27
-rw-r--r--fs/cifs/cifsfs.c2
-rw-r--r--fs/cifs/cifsglob.h4
-rw-r--r--fs/cifs/connect.c25
5 files changed, 33 insertions, 33 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 88a7958170ee..d8ae961a510f 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -23,9 +23,7 @@
#ifdef CONFIG_CIFS_SMB_DIRECT
#include "smbdirect.h"
#endif
-#ifdef CONFIG_CIFS_SWN_UPCALL
#include "cifs_swn.h"
-#endif
void
cifs_dump_mem(char *label, void *data, int length)
@@ -118,10 +116,8 @@ static void cifs_debug_tcon(struct seq_file *m, struct cifs_tcon *tcon)
seq_printf(m, " POSIX Extensions");
if (tcon->ses->server->ops->dump_share_caps)
tcon->ses->server->ops->dump_share_caps(m, tcon);
-#ifdef CONFIG_CIFS_SWN_UPCALL
if (tcon->use_witness)
seq_puts(m, " Witness");
-#endif
if (tcon->need_reconnect)
seq_puts(m, "\tDISCONNECTED ");
@@ -490,10 +486,8 @@ skip_rdma:
spin_unlock(&cifs_tcp_ses_lock);
seq_putc(m, '\n');
-
-#ifdef CONFIG_CIFS_SWN_UPCALL
cifs_swn_dump(m);
-#endif
+
/* BB add code to dump additional info such as TCP session info now */
return 0;
}
diff --git a/fs/cifs/cifs_swn.h b/fs/cifs/cifs_swn.h
index 236ecd4959d5..8a9d2a5c9077 100644
--- a/fs/cifs/cifs_swn.h
+++ b/fs/cifs/cifs_swn.h
@@ -7,11 +7,13 @@
#ifndef _CIFS_SWN_H
#define _CIFS_SWN_H
+#include "cifsglob.h"
struct cifs_tcon;
struct sk_buff;
struct genl_info;
+#ifdef CONFIG_CIFS_SWN_UPCALL
extern int cifs_swn_register(struct cifs_tcon *tcon);
extern int cifs_swn_unregister(struct cifs_tcon *tcon);
@@ -22,4 +24,29 @@ extern void cifs_swn_dump(struct seq_file *m);
extern void cifs_swn_check(void);
+static inline bool cifs_swn_set_server_dstaddr(struct TCP_Server_Info *server)
+{
+ if (server->use_swn_dstaddr) {
+ server->dstaddr = server->swn_dstaddr;
+ return true;
+ }
+ return false;
+}
+
+static inline void cifs_swn_reset_server_dstaddr(struct TCP_Server_Info *server)
+{
+ server->use_swn_dstaddr = false;
+}
+
+#else
+
+static inline int cifs_swn_register(struct cifs_tcon *tcon) { return 0; }
+static inline int cifs_swn_unregister(struct cifs_tcon *tcon) { return 0; }
+static inline int cifs_swn_notify(struct sk_buff *s, struct genl_info *i) { return 0; }
+static inline void cifs_swn_dump(struct seq_file *m) {}
+static inline void cifs_swn_check(void) {}
+static inline bool cifs_swn_set_server_dstaddr(struct TCP_Server_Info *server) { return false; }
+static inline void cifs_swn_reset_server_dstaddr(struct TCP_Server_Info *server) {}
+
+#endif /* CONFIG_CIFS_SWN_UPCALL */
#endif /* _CIFS_SWN_H */
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 5ddd20b62484..1b65ff9e9189 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -656,10 +656,8 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
seq_printf(s, ",multichannel,max_channels=%zu",
tcon->ses->chan_max);
-#ifdef CONFIG_CIFS_SWN_UPCALL
if (tcon->use_witness)
seq_puts(s, ",witness");
-#endif
return 0;
}
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 21a749074789..aafc985e98c2 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1070,6 +1070,7 @@ struct cifs_tcon {
bool use_resilient:1; /* use resilient instead of durable handles */
bool use_persistent:1; /* use persistent instead of durable handles */
bool no_lease:1; /* Do not request leases on files or directories */
+ bool use_witness:1; /* use witness protocol */
__le32 capabilities;
__u32 share_flags;
__u32 maximal_access;
@@ -1094,9 +1095,6 @@ struct cifs_tcon {
int remap:2;
struct list_head ulist; /* cache update list */
#endif
-#ifdef CONFIG_CIFS_SWN_UPCALL
- bool use_witness:1; /* use witness protocol */
-#endif
};
/*
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 24668eb006c6..35dbb9c836ea 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -62,9 +62,7 @@
#include "dfs_cache.h"
#endif
#include "fs_context.h"
-#ifdef CONFIG_CIFS_SWN_UPCALL
#include "cifs_swn.h"
-#endif
extern mempool_t *cifs_req_poolp;
extern bool disable_legacy_dialects;
@@ -314,12 +312,8 @@ cifs_reconnect(struct TCP_Server_Info *server)
mutex_lock(&server->srv_mutex);
-#ifdef CONFIG_CIFS_SWN_UPCALL
- if (server->use_swn_dstaddr) {
- server->dstaddr = server->swn_dstaddr;
- } else {
-#endif
+ if (!cifs_swn_set_server_dstaddr(server)) {
#ifdef CONFIG_CIFS_DFS_UPCALL
if (cifs_sb && cifs_sb->origin_fullpath)
/*
@@ -344,9 +338,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
#endif
-#ifdef CONFIG_CIFS_SWN_UPCALL
}
-#endif
if (cifs_rdma_enabled(server))
rc = smbd_reconnect(server);
@@ -363,9 +355,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
if (server->tcpStatus != CifsExiting)
server->tcpStatus = CifsNeedNegotiate;
spin_unlock(&GlobalMid_Lock);
-#ifdef CONFIG_CIFS_SWN_UPCALL
- server->use_swn_dstaddr = false;
-#endif
+ cifs_swn_reset_server_dstaddr(server);
mutex_unlock(&server->srv_mutex);
}
} while (server->tcpStatus == CifsNeedReconnect);
@@ -430,10 +420,8 @@ cifs_echo_request(struct work_struct *work)
cifs_dbg(FYI, "Unable to send echo request to server: %s\n",
server->hostname);
-#ifdef CONFIG_CIFS_SWN_UPCALL
/* Check witness registrations */
cifs_swn_check();
-#endif
requeue_echo:
queue_delayed_work(cifsiod_wq, &server->echo, server->echo_interval);
@@ -2009,7 +1997,6 @@ cifs_put_tcon(struct cifs_tcon *tcon)
return;
}
-#ifdef CONFIG_CIFS_SWN_UPCALL
if (tcon->use_witness) {
int rc;
@@ -2019,7 +2006,6 @@ cifs_put_tcon(struct cifs_tcon *tcon)
__func__, rc);
}
}
-#endif
list_del_init(&tcon->tcon_list);
spin_unlock(&cifs_tcp_ses_lock);
@@ -2181,9 +2167,9 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx)
}
tcon->use_resilient = true;
}
-#ifdef CONFIG_CIFS_SWN_UPCALL
+
tcon->use_witness = false;
- if (ctx->witness) {
+ if (IS_ENABLED(CONFIG_CIFS_SWN_UPCALL) && ctx->witness) {
if (ses->server->vals->protocol_id >= SMB30_PROT_ID) {
if (tcon->capabilities & SMB2_SHARE_CAP_CLUSTER) {
/*
@@ -2209,7 +2195,6 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx)
goto out_fail;
}
}
-#endif
/* If the user really knows what they are doing they can override */
if (tcon->share_flags & SMB2_SHAREFLAG_NO_CACHING) {
@@ -3877,9 +3862,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
ctx->sectype = master_tcon->ses->sectype;
ctx->sign = master_tcon->ses->sign;
ctx->seal = master_tcon->seal;
-#ifdef CONFIG_CIFS_SWN_UPCALL
ctx->witness = master_tcon->use_witness;
-#endif
rc = cifs_set_vol_auth(ctx, master_tcon->ses);
if (rc) {
Copyright © 1990 – 2022 jet tsang zeon-git.
All Rights Reverse Engineered.