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CIFS: dump IPC tcon in debug proc file 

dump it as first share with an "IPC: " prefix.

Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
This commit is contained in:
Aurelien Aptel 2018-01-24 13:46:12 +01:00 committed by Steve French
parent 63a83b861c
commit 02cf5905e3
1 changed files with 35 additions and 26 deletions
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61
fs/cifs/cifs_debug.c
View File

@ -110,6 +110,32 @@ void cifs_dump_mids(struct TCP_Server_Info *server)
}
#ifdef CONFIG_PROC_FS
static void cifs_debug_tcon(struct seq_file *m, struct cifs_tcon *tcon)
{
__u32 dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
seq_printf(m, "%s Mounts: %d ", tcon->treeName, tcon->tc_count);
if (tcon->nativeFileSystem)
seq_printf(m, "Type: %s ", tcon->nativeFileSystem);
seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x\n\tPathComponentMax: %d Status: %d",
le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics),
le32_to_cpu(tcon->fsAttrInfo.Attributes),
le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
tcon->tidStatus);
if (dev_type == FILE_DEVICE_DISK)
seq_puts(m, " type: DISK ");
else if (dev_type == FILE_DEVICE_CD_ROM)
seq_puts(m, " type: CDROM ");
else
seq_printf(m, " type: %d ", dev_type);
if (tcon->ses->server->ops->dump_share_caps)
tcon->ses->server->ops->dump_share_caps(m, tcon);
if (tcon->need_reconnect)
seq_puts(m, "\tDISCONNECTED ");
seq_putc(m, '\n');
}
static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
{
struct list_head *tmp1, *tmp2, *tmp3;
@ -118,7 +144,6 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
struct cifs_ses *ses;
struct cifs_tcon *tcon;
int i, j;
__u32 dev_type;
seq_puts(m,
"Display Internal CIFS Data Structures for Debugging\n"
@ -260,35 +285,19 @@ skip_rdma:
seq_puts(m, "\n\tShares:");
j = 0;
seq_printf(m, "\n\t%d) IPC: ", j);
if (ses->tcon_ipc)
cifs_debug_tcon(m, ses->tcon_ipc);
else
seq_puts(m, "none\n");
list_for_each(tmp3, &ses->tcon_list) {
tcon = list_entry(tmp3, struct cifs_tcon,
tcon_list);
++j;
dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
seq_printf(m, "\n\t%d) %s Mounts: %d ", j,
tcon->treeName, tcon->tc_count);
if (tcon->nativeFileSystem) {
seq_printf(m, "Type: %s ",
tcon->nativeFileSystem);
}
seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x"
"\n\tPathComponentMax: %d Status: %d",
le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics),
le32_to_cpu(tcon->fsAttrInfo.Attributes),
le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
tcon->tidStatus);
if (dev_type == FILE_DEVICE_DISK)
seq_puts(m, " type: DISK ");
else if (dev_type == FILE_DEVICE_CD_ROM)
seq_puts(m, " type: CDROM ");
else
seq_printf(m, " type: %d ", dev_type);
if (server->ops->dump_share_caps)
server->ops->dump_share_caps(m, tcon);
if (tcon->need_reconnect)
seq_puts(m, "\tDISCONNECTED ");
seq_putc(m, '\n');
seq_printf(m, "\n\t%d) ", j);
cifs_debug_tcon(m, tcon);
}
seq_puts(m, "\n\tMIDs:\n");