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authorPaulo Alcantara <pc@cjr.nz>2021-11-16 13:38:58 -0300
committerSteve French <stfrench@microsoft.com>2021-11-16 10:57:08 -0600
commit8ae87bbeb5d1bfd4ddf2f73f72be51d02d6be2eb (patch)
tree85dc294eabd65bf74decdc3e214d6697e7e6b933 /fs
parent446e21482e8c10b96d540862c5f6a37009436f00 (diff)
cifs: introduce cifs_ses_mark_for_reconnect() helper
Use new cifs_ses_mark_for_reconnect() helper to mark all session channels for reconnect instead of duplicating it in different places. Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/cifs_swn.c16
-rw-r--r--fs/cifs/cifsproto.h1
-rw-r--r--fs/cifs/connect.c14
-rw-r--r--fs/cifs/dfs_cache.c7
-rw-r--r--fs/cifs/sess.c13
5 files changed, 18 insertions, 33 deletions
diff --git a/fs/cifs/cifs_swn.c b/fs/cifs/cifs_swn.c
index 12bde7bfda86..23a1ed2fb769 100644
--- a/fs/cifs/cifs_swn.c
+++ b/fs/cifs/cifs_swn.c
@@ -393,26 +393,14 @@ static void cifs_put_swn_reg(struct cifs_swn_reg *swnreg)
static int cifs_swn_resource_state_changed(struct cifs_swn_reg *swnreg, const char *name, int state)
{
- int i;
-
switch (state) {
case CIFS_SWN_RESOURCE_STATE_UNAVAILABLE:
cifs_dbg(FYI, "%s: resource name '%s' become unavailable\n", __func__, name);
- for (i = 0; i < swnreg->tcon->ses->chan_count; i++) {
- spin_lock(&GlobalMid_Lock);
- if (swnreg->tcon->ses->chans[i].server->tcpStatus != CifsExiting)
- swnreg->tcon->ses->chans[i].server->tcpStatus = CifsNeedReconnect;
- spin_unlock(&GlobalMid_Lock);
- }
+ cifs_ses_mark_for_reconnect(swnreg->tcon->ses);
break;
case CIFS_SWN_RESOURCE_STATE_AVAILABLE:
cifs_dbg(FYI, "%s: resource name '%s' become available\n", __func__, name);
- for (i = 0; i < swnreg->tcon->ses->chan_count; i++) {
- spin_lock(&GlobalMid_Lock);
- if (swnreg->tcon->ses->chans[i].server->tcpStatus != CifsExiting)
- swnreg->tcon->ses->chans[i].server->tcpStatus = CifsNeedReconnect;
- spin_unlock(&GlobalMid_Lock);
- }
+ cifs_ses_mark_for_reconnect(swnreg->tcon->ses);
break;
case CIFS_SWN_RESOURCE_STATE_UNKNOWN:
cifs_dbg(FYI, "%s: resource name '%s' changed to unknown state\n", __func__, name);
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index f3073a62ce57..4f5a3e857df4 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -599,6 +599,7 @@ int cifs_try_adding_channels(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses)
bool is_server_using_iface(struct TCP_Server_Info *server,
struct cifs_server_iface *iface);
bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface);
+void cifs_ses_mark_for_reconnect(struct cifs_ses *ses);
void extract_unc_hostname(const char *unc, const char **h, size_t *len);
int copy_path_name(char *dst, const char *src);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index b98711b62897..67e4c5548e9d 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -4113,18 +4113,6 @@ cifs_prune_tlinks(struct work_struct *work)
}
#ifdef CONFIG_CIFS_DFS_UPCALL
-static void mark_tcon_tcp_ses_for_reconnect(struct cifs_tcon *tcon)
-{
- int i;
-
- for (i = 0; i < tcon->ses->chan_count; i++) {
- spin_lock(&GlobalMid_Lock);
- if (tcon->ses->chans[i].server->tcpStatus != CifsExiting)
- tcon->ses->chans[i].server->tcpStatus = CifsNeedReconnect;
- spin_unlock(&GlobalMid_Lock);
- }
-}
-
/* Update dfs referral path of superblock */
static int update_server_fullpath(struct TCP_Server_Info *server, struct cifs_sb_info *cifs_sb,
const char *target)
@@ -4301,7 +4289,7 @@ static int tree_connect_dfs_target(const unsigned int xid, struct cifs_tcon *tco
*/
if (rc && server->current_fullpath != server->origin_fullpath) {
server->current_fullpath = server->origin_fullpath;
- mark_tcon_tcp_ses_for_reconnect(tcon);
+ cifs_ses_mark_for_reconnect(tcon->ses);
}
dfs_cache_free_tgts(tl);
diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c
index 5c1259d2eeac..e9b0fa2a9614 100644
--- a/fs/cifs/dfs_cache.c
+++ b/fs/cifs/dfs_cache.c
@@ -1355,12 +1355,7 @@ static void mark_for_reconnect_if_needed(struct cifs_tcon *tcon, struct dfs_cach
}
cifs_dbg(FYI, "%s: no cached or matched targets. mark dfs share for reconnect.\n", __func__);
- for (i = 0; i < tcon->ses->chan_count; i++) {
- spin_lock(&GlobalMid_Lock);
- if (tcon->ses->chans[i].server->tcpStatus != CifsExiting)
- tcon->ses->chans[i].server->tcpStatus = CifsNeedReconnect;
- spin_unlock(&GlobalMid_Lock);
- }
+ cifs_ses_mark_for_reconnect(tcon->ses);
}
/* Refresh dfs referral of tcon and mark it for reconnect if needed */
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 7db8b22edac9..8ad2993785af 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -318,6 +318,19 @@ out:
return rc;
}
+/* Mark all session channels for reconnect */
+void cifs_ses_mark_for_reconnect(struct cifs_ses *ses)
+{
+ int i;
+
+ for (i = 0; i < ses->chan_count; i++) {
+ spin_lock(&GlobalMid_Lock);
+ if (ses->chans[i].server->tcpStatus != CifsExiting)
+ ses->chans[i].server->tcpStatus = CifsNeedReconnect;
+ spin_unlock(&GlobalMid_Lock);
+ }
+}
+
static __u32 cifs_ssetup_hdr(struct cifs_ses *ses, SESSION_SETUP_ANDX *pSMB)
{
__u32 capabilities = 0;