diff options
| author | Shyam Prasad N <sprasad@microsoft.com> | 2023-03-13 12:09:12 +0100 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-03-23 17:19:42 +0100 |
| commit | d12bc6d26f92c51b28e8f4a146ffcc630b688198 (patch) | |
| tree | adaaef7f3518716baa9ceb6525d2ae984c560e11 /fs | |
| parent | cifs: empty interface list when server doesn't support query interfaces (diff) | |
| download | linux-d12bc6d26f92c51b28e8f4a146ffcc630b688198.tar.xz linux-d12bc6d26f92c51b28e8f4a146ffcc630b688198.zip | |
cifs: dump pending mids for all channels in DebugData
Currently, we only dump the pending mid information only
on the primary channel in /proc/fs/cifs/DebugData.
If multichannel is active, we do not print the pending MID
list on secondary channels.
This change will dump the pending mids for all the channels
based on server->conn_id.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/cifs_debug.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 19a70a69c760..38369c6cd062 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -216,6 +216,7 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v) { struct mid_q_entry *mid_entry; struct TCP_Server_Info *server; + struct TCP_Server_Info *chan_server; struct cifs_ses *ses; struct cifs_tcon *tcon; struct cifs_server_iface *iface; @@ -474,23 +475,35 @@ skip_rdma: seq_puts(m, "\t\t[CONNECTED]\n"); } spin_unlock(&ses->iface_lock); + + seq_puts(m, "\n\n\tMIDs: "); + spin_lock(&ses->chan_lock); + for (j = 0; j < ses->chan_count; j++) { + chan_server = ses->chans[j].server; + if (!chan_server) + continue; + + if (list_empty(&chan_server->pending_mid_q)) + continue; + + seq_printf(m, "\n\tServer ConnectionId: 0x%llx", + chan_server->conn_id); + spin_lock(&chan_server->mid_lock); + list_for_each_entry(mid_entry, &chan_server->pending_mid_q, qhead) { + seq_printf(m, "\n\t\tState: %d com: %d pid: %d cbdata: %p mid %llu", + mid_entry->mid_state, + le16_to_cpu(mid_entry->command), + mid_entry->pid, + mid_entry->callback_data, + mid_entry->mid); + } + spin_unlock(&chan_server->mid_lock); + } + spin_unlock(&ses->chan_lock); + seq_puts(m, "\n--\n"); } if (i == 0) seq_printf(m, "\n\t\t[NONE]"); - - seq_puts(m, "\n\n\tMIDs: "); - spin_lock(&server->mid_lock); - list_for_each_entry(mid_entry, &server->pending_mid_q, qhead) { - seq_printf(m, "\n\tState: %d com: %d pid:" - " %d cbdata: %p mid %llu\n", - mid_entry->mid_state, - le16_to_cpu(mid_entry->command), - mid_entry->pid, - mid_entry->callback_data, - mid_entry->mid); - } - spin_unlock(&server->mid_lock); - seq_printf(m, "\n--\n"); } if (c == 0) seq_printf(m, "\n\t[NONE]"); |