diff options
| author | Aurelien Aptel <aaptel@suse.com> | 2019-11-20 17:15:58 +0100 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2019-11-25 08:17:12 +0100 |
| commit | 85150929a15b4e0a225434d5970bba14ebdf31f1 (patch) | |
| tree | b853d0da3d13ad9d2ca809dd87c67b5727e3bdb6 /fs/cifs | |
| parent | smb3: dump in_send and num_waiters stats counters by default (diff) | |
| download | linux-85150929a15b4e0a225434d5970bba14ebdf31f1.tar.xz linux-85150929a15b4e0a225434d5970bba14ebdf31f1.zip | |
cifs: dump channel info in DebugData
* show server&TCP states for extra channels
* mention if an interface has a channel connected to it
In this version three of the patch, fixed minor printk format
issue pointed out by the kbuild robot.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/cifs_debug.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 393c42cab7d3..19f6e592b941 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -122,6 +122,27 @@ static void cifs_debug_tcon(struct seq_file *m, struct cifs_tcon *tcon) } static void +cifs_dump_channel(struct seq_file *m, int i, struct cifs_chan *chan) +{ + struct TCP_Server_Info *server = chan->server; + + seq_printf(m, "\t\tChannel %d Number of credits: %d Dialect 0x%x " + "TCP status: %d Instance: %d Local Users To Server: %d " + "SecMode: 0x%x Req On Wire: %d In Send: %d " + "In MaxReq Wait: %d\n", + i+1, + server->credits, + server->dialect, + server->tcpStatus, + server->reconnect_instance, + server->srv_count, + server->sec_mode, + in_flight(server), + atomic_read(&server->in_send), + atomic_read(&server->num_waiters)); +} + +static void cifs_dump_iface(struct seq_file *m, struct cifs_server_iface *iface) { struct sockaddr_in *ipv4 = (struct sockaddr_in *)&iface->sockaddr; @@ -376,6 +397,13 @@ skip_rdma: if (ses->sign) seq_puts(m, " signed"); + if (ses->chan_count > 1) { + seq_printf(m, "\n\n\tExtra Channels: %zu\n", + ses->chan_count-1); + for (j = 1; j < ses->chan_count; j++) + cifs_dump_channel(m, j, &ses->chans[j]); + } + seq_puts(m, "\n\tShares:"); j = 0; @@ -414,8 +442,13 @@ skip_rdma: seq_printf(m, "\n\tServer interfaces: %zu\n", ses->iface_count); for (j = 0; j < ses->iface_count; j++) { + struct cifs_server_iface *iface; + + iface = &ses->iface_list[j]; seq_printf(m, "\t%d)", j); - cifs_dump_iface(m, &ses->iface_list[j]); + cifs_dump_iface(m, iface); + if (is_ses_using_iface(ses, iface)) + seq_puts(m, "\t\t[CONNECTED]\n"); } spin_unlock(&ses->iface_lock); } |