diff options
Diffstat (limited to 'fs/cifs/connect.c')
| -rw-r--r-- | fs/cifs/connect.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 4c0e44489f21..8dd6637a3cbb 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -323,8 +323,6 @@ static int ip_connect(struct TCP_Server_Info *server); static int generic_ip_connect(struct TCP_Server_Info *server); static void tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink); static void cifs_prune_tlinks(struct work_struct *work); -static int cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data, - const char *devname, bool is_smb3); static char *extract_hostname(const char *unc); /* @@ -478,6 +476,7 @@ cifs_reconnect(struct TCP_Server_Info *server) spin_lock(&GlobalMid_Lock); server->nr_targets = 1; #ifdef CONFIG_CIFS_DFS_UPCALL + spin_unlock(&GlobalMid_Lock); cifs_sb = find_super_by_tcp(server); if (IS_ERR(cifs_sb)) { rc = PTR_ERR(cifs_sb); @@ -495,6 +494,7 @@ cifs_reconnect(struct TCP_Server_Info *server) } cifs_dbg(FYI, "%s: will retry %d target(s)\n", __func__, server->nr_targets); + spin_lock(&GlobalMid_Lock); #endif if (server->tcpStatus == CifsExiting) { /* the demux thread will exit normally @@ -566,6 +566,12 @@ cifs_reconnect(struct TCP_Server_Info *server) mid_entry->callback(mid_entry); } + if (cifs_rdma_enabled(server)) { + mutex_lock(&server->srv_mutex); + smbd_destroy(server); + mutex_unlock(&server->srv_mutex); + } + do { try_to_freeze(); @@ -931,10 +937,8 @@ static void clean_demultiplex_info(struct TCP_Server_Info *server) wake_up_all(&server->request_q); /* give those requests time to exit */ msleep(125); - if (cifs_rdma_enabled(server) && server->smbd_conn) { - smbd_destroy(server->smbd_conn); - server->smbd_conn = NULL; - } + if (cifs_rdma_enabled(server)) + smbd_destroy(server); if (server->ssocket) { sock_release(server->ssocket); server->ssocket = NULL; @@ -2444,6 +2448,10 @@ match_port(struct TCP_Server_Info *server, struct sockaddr *addr) { __be16 port, *sport; + /* SMBDirect manages its own ports, don't match it here */ + if (server->rdma) + return true; + switch (addr->sa_family) { case AF_INET: sport = &((struct sockaddr_in *) &server->dstaddr)->sin_port; @@ -2904,8 +2912,7 @@ cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb_vol *vol) return NULL; } -static void -cifs_put_smb_ses(struct cifs_ses *ses) +void cifs_put_smb_ses(struct cifs_ses *ses) { unsigned int rc, xid; struct TCP_Server_Info *server = ses->server; @@ -3082,7 +3089,7 @@ cifs_set_cifscreds(struct smb_vol *vol __attribute__((unused)), * already got a server reference (server refcount +1). See * cifs_get_tcon() for refcount explanations. */ -static struct cifs_ses * +struct cifs_ses * cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) { int rc = -ENOMEM; @@ -4389,7 +4396,7 @@ static int mount_do_dfs_failover(const char *path, } #endif -static int +int cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data, const char *devname, bool is_smb3) { @@ -4543,7 +4550,7 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol) struct cifs_tcon *tcon = NULL; struct TCP_Server_Info *server; char *root_path = NULL, *full_path = NULL; - char *old_mountdata; + char *old_mountdata, *origin_mountdata = NULL; int count; rc = mount_get_conns(vol, cifs_sb, &xid, &server, &ses, &tcon); @@ -4602,6 +4609,14 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol) goto error; } + /* Save DFS root volume information for DFS refresh worker */ + origin_mountdata = kstrndup(cifs_sb->mountdata, + strlen(cifs_sb->mountdata), GFP_KERNEL); + if (!origin_mountdata) { + rc = -ENOMEM; + goto error; + } + if (cifs_sb->mountdata != old_mountdata) { /* If we were redirected, reconnect to new target server */ mount_put_conns(cifs_sb, xid, server, ses, tcon); @@ -4710,7 +4725,7 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol) } spin_unlock(&cifs_tcp_ses_lock); - rc = dfs_cache_add_vol(vol, cifs_sb->origin_fullpath); + rc = dfs_cache_add_vol(origin_mountdata, vol, cifs_sb->origin_fullpath); if (rc) { kfree(cifs_sb->origin_fullpath); goto error; @@ -4728,6 +4743,7 @@ out: error: kfree(full_path); kfree(root_path); + kfree(origin_mountdata); mount_put_conns(cifs_sb, xid, server, ses, tcon); return rc; } |