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Diffstat (limited to 'net/9p/trans_fd.c')
-rw-r--r--net/9p/trans_fd.c113
1 files changed, 58 insertions, 55 deletions
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index fdfdb5747f6..fccae26fa67 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -25,6 +25,8 @@
*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/in.h>
#include <linux/module.h>
#include <linux/net.h>
@@ -191,7 +193,7 @@ static void p9_conn_cancel(struct p9_conn *m, int err)
unsigned long flags;
LIST_HEAD(cancel_list);
- P9_DPRINTK(P9_DEBUG_ERROR, "mux %p err %d\n", m, err);
+ p9_debug(P9_DEBUG_ERROR, "mux %p err %d\n", m, err);
spin_lock_irqsave(&m->client->lock, flags);
@@ -217,7 +219,7 @@ static void p9_conn_cancel(struct p9_conn *m, int err)
spin_unlock_irqrestore(&m->client->lock, flags);
list_for_each_entry_safe(req, rtmp, &cancel_list, req_list) {
- P9_DPRINTK(P9_DEBUG_ERROR, "call back req %p\n", req);
+ p9_debug(P9_DEBUG_ERROR, "call back req %p\n", req);
list_del(&req->req_list);
p9_client_cb(m->client, req);
}
@@ -275,7 +277,7 @@ static int p9_fd_read(struct p9_client *client, void *v, int len)
return -EREMOTEIO;
if (!(ts->rd->f_flags & O_NONBLOCK))
- P9_DPRINTK(P9_DEBUG_ERROR, "blocking read ...\n");
+ p9_debug(P9_DEBUG_ERROR, "blocking read ...\n");
ret = kernel_read(ts->rd, ts->rd->f_pos, v, len);
if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
@@ -299,7 +301,7 @@ static void p9_read_work(struct work_struct *work)
if (m->err < 0)
return;
- P9_DPRINTK(P9_DEBUG_TRANS, "start mux %p pos %d\n", m, m->rpos);
+ p9_debug(P9_DEBUG_TRANS, "start mux %p pos %d\n", m, m->rpos);
if (!m->rbuf) {
m->rbuf = m->tmp_buf;
@@ -308,11 +310,11 @@ static void p9_read_work(struct work_struct *work)
}
clear_bit(Rpending, &m->wsched);
- P9_DPRINTK(P9_DEBUG_TRANS, "read mux %p pos %d size: %d = %d\n", m,
- m->rpos, m->rsize, m->rsize-m->rpos);
+ p9_debug(P9_DEBUG_TRANS, "read mux %p pos %d size: %d = %d\n",
+ m, m->rpos, m->rsize, m->rsize-m->rpos);
err = p9_fd_read(m->client, m->rbuf + m->rpos,
m->rsize - m->rpos);
- P9_DPRINTK(P9_DEBUG_TRANS, "mux %p got %d bytes\n", m, err);
+ p9_debug(P9_DEBUG_TRANS, "mux %p got %d bytes\n", m, err);
if (err == -EAGAIN) {
clear_bit(Rworksched, &m->wsched);
return;
@@ -325,25 +327,25 @@ static void p9_read_work(struct work_struct *work)
if ((!m->req) && (m->rpos == m->rsize)) { /* header read in */
u16 tag;
- P9_DPRINTK(P9_DEBUG_TRANS, "got new header\n");
+ p9_debug(P9_DEBUG_TRANS, "got new header\n");
n = le32_to_cpu(*(__le32 *) m->rbuf); /* read packet size */
if (n >= m->client->msize) {
- P9_DPRINTK(P9_DEBUG_ERROR,
- "requested packet size too big: %d\n", n);
+ p9_debug(P9_DEBUG_ERROR,
+ "requested packet size too big: %d\n", n);
err = -EIO;
goto error;
}
tag = le16_to_cpu(*(__le16 *) (m->rbuf+5)); /* read tag */
- P9_DPRINTK(P9_DEBUG_TRANS,
- "mux %p pkt: size: %d bytes tag: %d\n", m, n, tag);
+ p9_debug(P9_DEBUG_TRANS,
+ "mux %p pkt: size: %d bytes tag: %d\n", m, n, tag);
m->req = p9_tag_lookup(m->client, tag);
if (!m->req || (m->req->status != REQ_STATUS_SENT &&
m->req->status != REQ_STATUS_FLSH)) {
- P9_DPRINTK(P9_DEBUG_ERROR, "Unexpected packet tag %d\n",
- tag);
+ p9_debug(P9_DEBUG_ERROR, "Unexpected packet tag %d\n",
+ tag);
err = -EIO;
goto error;
}
@@ -364,7 +366,7 @@ static void p9_read_work(struct work_struct *work)
/* not an else because some packets (like clunk) have no payload */
if ((m->req) && (m->rpos == m->rsize)) { /* packet is read in */
- P9_DPRINTK(P9_DEBUG_TRANS, "got new packet\n");
+ p9_debug(P9_DEBUG_TRANS, "got new packet\n");
spin_lock(&m->client->lock);
if (m->req->status != REQ_STATUS_ERROR)
m->req->status = REQ_STATUS_RCVD;
@@ -384,7 +386,7 @@ static void p9_read_work(struct work_struct *work)
n = p9_fd_poll(m->client, NULL);
if (n & POLLIN) {
- P9_DPRINTK(P9_DEBUG_TRANS, "sched read work %p\n", m);
+ p9_debug(P9_DEBUG_TRANS, "sched read work %p\n", m);
schedule_work(&m->rq);
} else
clear_bit(Rworksched, &m->wsched);
@@ -418,7 +420,7 @@ static int p9_fd_write(struct p9_client *client, void *v, int len)
return -EREMOTEIO;
if (!(ts->wr->f_flags & O_NONBLOCK))
- P9_DPRINTK(P9_DEBUG_ERROR, "blocking write ...\n");
+ p9_debug(P9_DEBUG_ERROR, "blocking write ...\n");
oldfs = get_fs();
set_fs(get_ds());
@@ -460,7 +462,7 @@ static void p9_write_work(struct work_struct *work)
req = list_entry(m->unsent_req_list.next, struct p9_req_t,
req_list);
req->status = REQ_STATUS_SENT;
- P9_DPRINTK(P9_DEBUG_TRANS, "move req %p\n", req);
+ p9_debug(P9_DEBUG_TRANS, "move req %p\n", req);
list_move_tail(&req->req_list, &m->req_list);
m->wbuf = req->tc->sdata;
@@ -469,11 +471,11 @@ static void p9_write_work(struct work_struct *work)
spin_unlock(&m->client->lock);
}
- P9_DPRINTK(P9_DEBUG_TRANS, "mux %p pos %d size %d\n", m, m->wpos,
- m->wsize);
+ p9_debug(P9_DEBUG_TRANS, "mux %p pos %d size %d\n",
+ m, m->wpos, m->wsize);
clear_bit(Wpending, &m->wsched);
err = p9_fd_write(m->client, m->wbuf + m->wpos, m->wsize - m->wpos);
- P9_DPRINTK(P9_DEBUG_TRANS, "mux %p sent %d bytes\n", m, err);
+ p9_debug(P9_DEBUG_TRANS, "mux %p sent %d bytes\n", m, err);
if (err == -EAGAIN) {
clear_bit(Wworksched, &m->wsched);
return;
@@ -497,7 +499,7 @@ static void p9_write_work(struct work_struct *work)
n = p9_fd_poll(m->client, NULL);
if (n & POLLOUT) {
- P9_DPRINTK(P9_DEBUG_TRANS, "sched write work %p\n", m);
+ p9_debug(P9_DEBUG_TRANS, "sched write work %p\n", m);
schedule_work(&m->wq);
} else
clear_bit(Wworksched, &m->wsched);
@@ -551,7 +553,7 @@ p9_pollwait(struct file *filp, wait_queue_head_t *wait_address, poll_table *p)
}
if (!pwait) {
- P9_DPRINTK(P9_DEBUG_ERROR, "not enough wait_address slots\n");
+ p9_debug(P9_DEBUG_ERROR, "not enough wait_address slots\n");
return;
}
@@ -573,8 +575,7 @@ static struct p9_conn *p9_conn_create(struct p9_client *client)
int n;
struct p9_conn *m;
- P9_DPRINTK(P9_DEBUG_TRANS, "client %p msize %d\n", client,
- client->msize);
+ p9_debug(P9_DEBUG_TRANS, "client %p msize %d\n", client, client->msize);
m = kzalloc(sizeof(struct p9_conn), GFP_KERNEL);
if (!m)
return ERR_PTR(-ENOMEM);
@@ -591,12 +592,12 @@ static struct p9_conn *p9_conn_create(struct p9_client *client)
n = p9_fd_poll(client, &m->pt);
if (n & POLLIN) {
- P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can read\n", m);
+ p9_debug(P9_DEBUG_TRANS, "mux %p can read\n", m);
set_bit(Rpending, &m->wsched);
}
if (n & POLLOUT) {
- P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can write\n", m);
+ p9_debug(P9_DEBUG_TRANS, "mux %p can write\n", m);
set_bit(Wpending, &m->wsched);
}
@@ -618,7 +619,7 @@ static void p9_poll_mux(struct p9_conn *m)
n = p9_fd_poll(m->client, NULL);
if (n < 0 || n & (POLLERR | POLLHUP | POLLNVAL)) {
- P9_DPRINTK(P9_DEBUG_TRANS, "error mux %p err %d\n", m, n);
+ p9_debug(P9_DEBUG_TRANS, "error mux %p err %d\n", m, n);
if (n >= 0)
n = -ECONNRESET;
p9_conn_cancel(m, n);
@@ -626,19 +627,19 @@ static void p9_poll_mux(struct p9_conn *m)
if (n & POLLIN) {
set_bit(Rpending, &m->wsched);
- P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can read\n", m);
+ p9_debug(P9_DEBUG_TRANS, "mux %p can read\n", m);
if (!test_and_set_bit(Rworksched, &m->wsched)) {
- P9_DPRINTK(P9_DEBUG_TRANS, "sched read work %p\n", m);
+ p9_debug(P9_DEBUG_TRANS, "sched read work %p\n", m);
schedule_work(&m->rq);
}
}
if (n & POLLOUT) {
set_bit(Wpending, &m->wsched);
- P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can write\n", m);
+ p9_debug(P9_DEBUG_TRANS, "mux %p can write\n", m);
if ((m->wsize || !list_empty(&m->unsent_req_list)) &&
!test_and_set_bit(Wworksched, &m->wsched)) {
- P9_DPRINTK(P9_DEBUG_TRANS, "sched write work %p\n", m);
+ p9_debug(P9_DEBUG_TRANS, "sched write work %p\n", m);
schedule_work(&m->wq);
}
}
@@ -661,8 +662,8 @@ static int p9_fd_request(struct p9_client *client, struct p9_req_t *req)
struct p9_trans_fd *ts = client->trans;
struct p9_conn *m = ts->conn;
- P9_DPRINTK(P9_DEBUG_TRANS, "mux %p task %p tcall %p id %d\n", m,
- current, req->tc, req->tc->id);
+ p9_debug(P9_DEBUG_TRANS, "mux %p task %p tcall %p id %d\n",
+ m, current, req->tc, req->tc->id);
if (m->err < 0)
return m->err;
@@ -686,7 +687,7 @@ static int p9_fd_cancel(struct p9_client *client, struct p9_req_t *req)
{
int ret = 1;
- P9_DPRINTK(P9_DEBUG_TRANS, "client %p req %p\n", client, req);
+ p9_debug(P9_DEBUG_TRANS, "client %p req %p\n", client, req);
spin_lock(&client->lock);
@@ -726,8 +727,8 @@ static int parse_opts(char *params, struct p9_fd_opts *opts)
tmp_options = kstrdup(params, GFP_KERNEL);
if (!tmp_options) {
- P9_DPRINTK(P9_DEBUG_ERROR,
- "failed to allocate copy of option string\n");
+ p9_debug(P9_DEBUG_ERROR,
+ "failed to allocate copy of option string\n");
return -ENOMEM;
}
options = tmp_options;
@@ -741,8 +742,8 @@ static int parse_opts(char *params, struct p9_fd_opts *opts)
if (token != Opt_err) {
r = match_int(&args[0], &option);
if (r < 0) {
- P9_DPRINTK(P9_DEBUG_ERROR,
- "integer field, but no integer?\n");
+ p9_debug(P9_DEBUG_ERROR,
+ "integer field, but no integer?\n");
continue;
}
}
@@ -801,7 +802,8 @@ static int p9_socket_open(struct p9_client *client, struct socket *csocket)
csocket->sk->sk_allocation = GFP_NOIO;
fd = sock_map_fd(csocket, 0);
if (fd < 0) {
- P9_EPRINTK(KERN_ERR, "p9_socket_open: failed to map fd\n");
+ pr_err("%s (%d): failed to map fd\n",
+ __func__, task_pid_nr(current));
sock_release(csocket);
kfree(p);
return fd;
@@ -837,8 +839,8 @@ static int p9_socket_open(struct p9_client *client, struct socket *csocket)
static void p9_conn_destroy(struct p9_conn *m)
{
- P9_DPRINTK(P9_DEBUG_TRANS, "mux %p prev %p next %p\n", m,
- m->mux_list.prev, m->mux_list.next);
+ p9_debug(P9_DEBUG_TRANS, "mux %p prev %p next %p\n",
+ m, m->mux_list.prev, m->mux_list.next);
p9_mux_poll_stop(m);
cancel_work_sync(&m->rq);
@@ -919,7 +921,8 @@ p9_fd_create_tcp(struct p9_client *client, const char *addr, char *args)
err = __sock_create(read_pnet(&current->nsproxy->net_ns), PF_INET,
SOCK_STREAM, IPPROTO_TCP, &csocket, 1);
if (err) {
- P9_EPRINTK(KERN_ERR, "p9_trans_tcp: problem creating socket\n");
+ pr_err("%s (%d): problem creating socket\n",
+ __func__, task_pid_nr(current));
return err;
}
@@ -927,9 +930,8 @@ p9_fd_create_tcp(struct p9_client *client, const char *addr, char *args)
(struct sockaddr *)&sin_server,
sizeof(struct sockaddr_in), 0);
if (err < 0) {
- P9_EPRINTK(KERN_ERR,
- "p9_trans_tcp: problem connecting socket to %s\n",
- addr);
+ pr_err("%s (%d): problem connecting socket to %s\n",
+ __func__, task_pid_nr(current), addr);
sock_release(csocket);
return err;
}
@@ -947,8 +949,8 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args)
csocket = NULL;
if (strlen(addr) >= UNIX_PATH_MAX) {
- P9_EPRINTK(KERN_ERR, "p9_trans_unix: address too long: %s\n",
- addr);
+ pr_err("%s (%d): address too long: %s\n",
+ __func__, task_pid_nr(current), addr);
return -ENAMETOOLONG;
}
@@ -957,15 +959,16 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args)
err = __sock_create(read_pnet(&current->nsproxy->net_ns), PF_UNIX,
SOCK_STREAM, 0, &csocket, 1);
if (err < 0) {
- P9_EPRINTK(KERN_ERR, "p9_trans_unix: problem creating socket\n");
+ pr_err("%s (%d): problem creating socket\n",
+ __func__, task_pid_nr(current));
+
return err;
}
err = csocket->ops->connect(csocket, (struct sockaddr *)&sun_server,
sizeof(struct sockaddr_un) - 1, 0);
if (err < 0) {
- P9_EPRINTK(KERN_ERR,
- "p9_trans_unix: problem connecting socket: %s: %d\n",
- addr, err);
+ pr_err("%s (%d): problem connecting socket: %s: %d\n",
+ __func__, task_pid_nr(current), addr, err);
sock_release(csocket);
return err;
}
@@ -983,7 +986,7 @@ p9_fd_create(struct p9_client *client, const char *addr, char *args)
parse_opts(args, &opts);
if (opts.rfd == ~0 || opts.wfd == ~0) {
- printk(KERN_ERR "v9fs: Insufficient options for proto=fd\n");
+ pr_err("Insufficient options for proto=fd\n");
return -ENOPROTOOPT;
}
@@ -1050,7 +1053,7 @@ static void p9_poll_workfn(struct work_struct *work)
{
unsigned long flags;
- P9_DPRINTK(P9_DEBUG_TRANS, "start %p\n", current);
+ p9_debug(P9_DEBUG_TRANS, "start %p\n", current);
spin_lock_irqsave(&p9_poll_lock, flags);
while (!list_empty(&p9_poll_pending_list)) {
@@ -1066,7 +1069,7 @@ static void p9_poll_workfn(struct work_struct *work)
}
spin_unlock_irqrestore(&p9_poll_lock, flags);
- P9_DPRINTK(P9_DEBUG_TRANS, "finish\n");
+ p9_debug(P9_DEBUG_TRANS, "finish\n");
}
int p9_trans_fd_init(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 13:11:43 +0000