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cifs: use new enum for ses_status

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ses->status today shares statusEnum with server->tcpStatus.
This has been confusing, and tcon->status has deviated to use
a new enum. Follow suit and use new enum for ses_status as well.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Shyam Prasad N 2022-04-07 13:15:49 +00:00 committed by Steve French
parent 1a6a41d4ce
commit dd3cd8709e
8 changed files with 39 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/cifs/cifs_debug.c
View File

@ -387,7 +387,7 @@ skip_rdma:
(ses->serverNOS == NULL)) {
seq_printf(m, "\n\t%d) Address: %s Uses: %d Capability: 0x%x\tSession Status: %d ",
i, ses->ip_addr, ses->ses_count,
ses->capabilities, ses->status);
ses->capabilities, ses->ses_status);
if (ses->session_flags & SMB2_SESSION_FLAG_IS_GUEST)
seq_printf(m, "Guest ");
else if (ses->session_flags & SMB2_SESSION_FLAG_IS_NULL)
@ -399,7 +399,7 @@ skip_rdma:
"\n\tSMB session status: %d ",
i, ses->ip_addr, ses->serverDomain,
ses->ses_count, ses->serverOS, ses->serverNOS,
ses->capabilities, ses->status);
ses->capabilities, ses->ses_status);
}
seq_printf(m, "\n\tSecurity type: %s ",

15
fs/cifs/cifsglob.h
View File

@ -106,7 +106,7 @@
* CIFS vfs client Status information (based on what we know.)
*/
/* associated with each tcp and smb session */
/* associated with each connection */
enum statusEnum {
CifsNew = 0,
CifsGood,
@ -114,8 +114,15 @@ enum statusEnum {
CifsNeedReconnect,
CifsNeedNegotiate,
CifsInNegotiate,
CifsNeedSessSetup,
CifsInSessSetup,
};
/* associated with each smb session */
enum ses_status_enum {
SES_NEW = 0,
SES_GOOD,
SES_EXITING,
SES_NEED_RECON,
SES_IN_SETUP
};
/* associated with each tree connection to the server */
@ -930,7 +937,7 @@ struct cifs_ses {
struct mutex session_mutex;
struct TCP_Server_Info *server; /* pointer to server info */
int ses_count; /* reference counter */
enum statusEnum status; /* updates protected by cifs_tcp_ses_lock */
enum ses_status_enum ses_status; /* updates protected by cifs_tcp_ses_lock */
unsigned overrideSecFlg; /* if non-zero override global sec flags */
char *serverOS; /* name of operating system underlying server */
char *serverNOS; /* name of network operating system of server */

2
fs/cifs/cifssmb.c
View File

@ -75,7 +75,7 @@ cifs_mark_open_files_invalid(struct cifs_tcon *tcon)
/* only send once per connect */
spin_lock(&cifs_tcp_ses_lock);
if ((tcon->ses->status != CifsGood) || (tcon->status != TID_NEED_RECON)) {
if ((tcon->ses->ses_status != SES_GOOD) || (tcon->status != TID_NEED_RECON)) {
spin_unlock(&cifs_tcp_ses_lock);
return;
}

34
fs/cifs/connect.c
View File

@ -241,7 +241,7 @@ cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server,
if (!mark_smb_session && !CIFS_ALL_CHANS_NEED_RECONNECT(ses))
goto next_session;
ses->status = CifsNeedReconnect;
ses->ses_status = SES_NEED_RECON;
list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
tcon->need_reconnect = true;
@ -1828,7 +1828,7 @@ cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx)
spin_lock(&cifs_tcp_ses_lock);
list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
if (ses->status == CifsExiting)
if (ses->ses_status == SES_EXITING)
continue;
if (!match_session(ses, ctx))
continue;
@ -1848,7 +1848,7 @@ void cifs_put_smb_ses(struct cifs_ses *ses)
cifs_dbg(FYI, "%s: ses_count=%d\n", __func__, ses->ses_count);
spin_lock(&cifs_tcp_ses_lock);
if (ses->status == CifsExiting) {
if (ses->ses_status == SES_EXITING) {
spin_unlock(&cifs_tcp_ses_lock);
return;
}
@ -1864,13 +1864,13 @@ void cifs_put_smb_ses(struct cifs_ses *ses)
/* ses_count can never go negative */
WARN_ON(ses->ses_count < 0);
if (ses->status == CifsGood)
ses->status = CifsExiting;
if (ses->ses_status == SES_GOOD)
ses->ses_status = SES_EXITING;
spin_unlock(&cifs_tcp_ses_lock);
cifs_free_ipc(ses);
if (ses->status == CifsExiting && server->ops->logoff) {
if (ses->ses_status == SES_EXITING && server->ops->logoff) {
xid = get_xid();
rc = server->ops->logoff(xid, ses);
if (rc)
@ -2090,7 +2090,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx)
ses = cifs_find_smb_ses(server, ctx);
if (ses) {
cifs_dbg(FYI, "Existing smb sess found (status=%d)\n",
ses->status);
ses->ses_status);
spin_lock(&ses->chan_lock);
if (cifs_chan_needs_reconnect(ses, server)) {
@ -4001,11 +4001,13 @@ cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
spin_unlock(&ses->chan_lock);
spin_lock(&cifs_tcp_ses_lock);
if (ses->status == CifsExiting) {
if (ses->ses_status == SES_EXITING) {
spin_unlock(&cifs_tcp_ses_lock);
return 0;
}
ses->status = CifsInSessSetup;
if (!is_binding)
ses->ses_status = SES_IN_SETUP;
spin_unlock(&cifs_tcp_ses_lock);
if (!is_binding) {
@ -4031,15 +4033,13 @@ cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
if (rc) {
cifs_server_dbg(VFS, "Send error in SessSetup = %d\n", rc);
spin_lock(&cifs_tcp_ses_lock);
if (ses->status == CifsInSessSetup)
ses->status = CifsNeedSessSetup;
if (ses->ses_status == SES_IN_SETUP)
ses->ses_status = SES_NEED_RECON;
spin_unlock(&cifs_tcp_ses_lock);
} else {
spin_lock(&cifs_tcp_ses_lock);
if (ses->status == CifsInSessSetup)
ses->status = CifsGood;
/* Even if one channel is active, session is in good state */
ses->status = CifsGood;
if (ses->ses_status == SES_IN_SETUP)
ses->ses_status = SES_GOOD;
spin_unlock(&cifs_tcp_ses_lock);
spin_lock(&ses->chan_lock);
@ -4509,7 +4509,7 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru
/* only send once per connect */
spin_lock(&cifs_tcp_ses_lock);
if (tcon->ses->status != CifsGood ||
if (tcon->ses->ses_status != SES_GOOD ||
(tcon->status != TID_NEW &&
tcon->status != TID_NEED_TCON)) {
spin_unlock(&cifs_tcp_ses_lock);
@ -4577,7 +4577,7 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru
/* only send once per connect */
spin_lock(&cifs_tcp_ses_lock);
if (tcon->ses->status != CifsGood ||
if (tcon->ses->ses_status != SES_GOOD ||
(tcon->status != TID_NEW &&
tcon->status != TID_NEED_TCON)) {
spin_unlock(&cifs_tcp_ses_lock);

2
fs/cifs/misc.c
View File

@ -69,7 +69,7 @@ sesInfoAlloc(void)
ret_buf = kzalloc(sizeof(struct cifs_ses), GFP_KERNEL);
if (ret_buf) {
atomic_inc(&sesInfoAllocCount);
ret_buf->status = CifsNew;
ret_buf->ses_status = SES_NEW;
++ret_buf->ses_count;
INIT_LIST_HEAD(&ret_buf->smb_ses_list);
INIT_LIST_HEAD(&ret_buf->tcon_list);

2
fs/cifs/smb2pdu.c
View File

@ -179,7 +179,7 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon,
}
}
spin_unlock(&cifs_tcp_ses_lock);
if ((!tcon->ses) || (tcon->ses->status == CifsExiting) ||
if ((!tcon->ses) || (tcon->ses->ses_status == SES_EXITING) ||
(!tcon->ses->server) || !server)
return -EIO;

4
fs/cifs/smb2transport.c
View File

@ -780,7 +780,7 @@ smb2_get_mid_entry(struct cifs_ses *ses, struct TCP_Server_Info *server,
return -EAGAIN;
}
if (ses->status == CifsNew) {
if (ses->ses_status == SES_NEW) {
if ((shdr->Command != SMB2_SESSION_SETUP) &&
(shdr->Command != SMB2_NEGOTIATE)) {
spin_unlock(&cifs_tcp_ses_lock);
@ -789,7 +789,7 @@ smb2_get_mid_entry(struct cifs_ses *ses, struct TCP_Server_Info *server,
/* else ok - we are setting up session */
}
if (ses->status == CifsExiting) {
if (ses->ses_status == SES_EXITING) {
if (shdr->Command != SMB2_LOGOFF) {
spin_unlock(&cifs_tcp_ses_lock);
return -EAGAIN;

8
fs/cifs/transport.c
View File

@ -726,7 +726,7 @@ static int allocate_mid(struct cifs_ses *ses, struct smb_hdr *in_buf,
struct mid_q_entry **ppmidQ)
{
spin_lock(&cifs_tcp_ses_lock);
if (ses->status == CifsNew) {
if (ses->ses_status == SES_NEW) {
if ((in_buf->Command != SMB_COM_SESSION_SETUP_ANDX) &&
(in_buf->Command != SMB_COM_NEGOTIATE)) {
spin_unlock(&cifs_tcp_ses_lock);
@ -735,7 +735,7 @@ static int allocate_mid(struct cifs_ses *ses, struct smb_hdr *in_buf,
/* else ok - we are setting up session */
}
if (ses->status == CifsExiting) {
if (ses->ses_status == SES_EXITING) {
/* check if SMB session is bad because we are setting it up */
if (in_buf->Command != SMB_COM_LOGOFF_ANDX) {
spin_unlock(&cifs_tcp_ses_lock);
@ -1187,7 +1187,7 @@ compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
* Compounding is never used during session establish.
*/
spin_lock(&cifs_tcp_ses_lock);
if ((ses->status == CifsNew) || (optype & CIFS_NEG_OP) || (optype & CIFS_SESS_OP)) {
if ((ses->ses_status == SES_NEW) || (optype & CIFS_NEG_OP) || (optype & CIFS_SESS_OP)) {
spin_unlock(&cifs_tcp_ses_lock);
mutex_lock(&server->srv_mutex);
@ -1260,7 +1260,7 @@ compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
* Compounding is never used during session establish.
*/
spin_lock(&cifs_tcp_ses_lock);
if ((ses->status == CifsNew) || (optype & CIFS_NEG_OP) || (optype & CIFS_SESS_OP)) {
if ((ses->ses_status == SES_NEW) || (optype & CIFS_NEG_OP) || (optype & CIFS_SESS_OP)) {
struct kvec iov = {
.iov_base = resp_iov[0].iov_base,
.iov_len = resp_iov[0].iov_len