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Message-Id: <1250455857.28540.15.camel@wall-e>
Date: Sun, 16 Aug 2009 22:50:57 +0200
From: Stefani Seibold <stefani@...bold.net>
To: linux-kernel <linux-kernel@...r.kernel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Arnd Bergmann <arnd@...db.de>,
Andi Kleen <andi@...stfloor.org>,
Amerigo Wang <xiyou.wangcong@...il.com>,
Joe Perches <joe@...ches.com>
Subject: Re: [PATCH 3/7] kfifo: cleanup namespace
change name of __kfifo_* functions to kfifo_*, because
the prefix __kfifo should be reserved for internal functions.
Signed-off-by: Stefani Seibold <stefani@...bold.net>
---
drivers/char/nozomi.c | 12 +++++-----
drivers/infiniband/hw/cxgb3/cxio_resource.c | 10 ++++----
drivers/net/wireless/libertas/cmd.c | 4 +--
drivers/net/wireless/libertas/main.c | 8 +++----
drivers/platform/x86/sony-laptop.c | 2 -
drivers/scsi/libiscsi.c | 14 ++++++------
drivers/scsi/libiscsi_tcp.c | 20 ++++++++---------
drivers/scsi/libsrp.c | 2 -
drivers/usb/host/fhci.h | 6 ++---
include/linux/kfifo.h | 32 ++++++----------------------
kernel/kfifo.c | 12 +++++-----
net/dccp/probe.c | 2 -
12 files changed, 53 insertions(+), 71 deletions(-)
diff -u -N -r linux-2.6.31-rc4-kfifo2/drivers/char/nozomi.c linux-2.6.31-rc4-kfifo3/drivers/char/nozomi.c
--- linux-2.6.31-rc4-kfifo2/drivers/char/nozomi.c 2009-08-11 12:46:56.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/drivers/char/nozomi.c 2009-08-11 13:14:26.000000000 +0200
@@ -797,7 +797,7 @@
struct tty_struct *tty = tty_port_tty_get(&port->port);
/* Get data from tty and place in buf for now */
- size = __kfifo_get(&port->fifo_ul, dc->send_buf,
+ size = kfifo_get(&port->fifo_ul, dc->send_buf,
ul_size < SEND_BUF_MAX ? ul_size : SEND_BUF_MAX);
if (size == 0) {
@@ -987,11 +987,11 @@
} else if (old_ctrl.CTS == 0 && ctrl_dl.CTS == 1) {
- if (__kfifo_len(&dc->port[port].fifo_ul)) {
+ if (kfifo_len(&dc->port[port].fifo_ul)) {
DBG1("Enable interrupt (0x%04X) on port: %d",
enable_ier, port);
DBG1("Data in buffer [%d], enable transmit! ",
- __kfifo_len(&dc->port[port].fifo_ul));
+ kfifo_len(&dc->port[port].fifo_ul));
enable_transmit_ul(port, dc);
} else {
DBG1("No data in buffer...");
@@ -1671,7 +1671,7 @@
goto exit;
}
- rval = __kfifo_put(&port->fifo_ul, (unsigned char *)buffer, count);
+ rval = kfifo_put(&port->fifo_ul, (unsigned char *)buffer, count);
/* notify card */
if (unlikely(dc == NULL)) {
@@ -1719,7 +1719,7 @@
if (!port->port.count)
goto exit;
- room = port->fifo_ul.size - __kfifo_len(&port->fifo_ul);
+ room = port->fifo_ul.size - kfifo_len(&port->fifo_ul);
exit:
mutex_unlock(&port->tty_sem);
@@ -1876,7 +1876,7 @@
goto exit_in_buffer;
}
- rval = __kfifo_len(&port->fifo_ul);
+ rval = kfifo_len(&port->fifo_ul);
exit_in_buffer:
return rval;
diff -u -N -r linux-2.6.31-rc4-kfifo2/drivers/infiniband/hw/cxgb3/cxio_resource.c linux-2.6.31-rc4-kfifo3/drivers/infiniband/hw/cxgb3/cxio_resource.c
--- linux-2.6.31-rc4-kfifo2/drivers/infiniband/hw/cxgb3/cxio_resource.c 2009-08-11 12:47:57.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/drivers/infiniband/hw/cxgb3/cxio_resource.c 2009-08-11 13:14:18.000000000 +0200
@@ -59,7 +59,7 @@
return -ENOMEM;
for (i = 0; i < skip_low + skip_high; i++)
- __kfifo_put(fifo, (unsigned char *) &entry, sizeof(u32));
+ kfifo_put(fifo, (unsigned char *) &entry, sizeof(u32));
if (random) {
j = 0;
random_bytes = random32();
@@ -71,19 +71,19 @@
random_bytes = random32();
}
idx = (random_bytes >> (j * 2)) & 0xF;
- __kfifo_put(fifo,
+ kfifo_put(fifo,
(unsigned char *) &rarray[idx],
sizeof(u32));
rarray[idx] = i;
j++;
}
for (i = 0; i < RANDOM_SIZE; i++)
- __kfifo_put(fifo,
+ kfifo_put(fifo,
(unsigned char *) &rarray[i],
sizeof(u32));
} else
for (i = skip_low; i < nr - skip_high; i++)
- __kfifo_put(fifo, (unsigned char *) &i, sizeof(u32));
+ kfifo_put(fifo, (unsigned char *) &i, sizeof(u32));
for (i = 0; i < skip_low + skip_high; i++)
kfifo_get_locked(fifo, (unsigned char *) &entry,
@@ -119,7 +119,7 @@
for (i = 16; i < T3_MAX_NUM_QP; i++)
if (!(i & rdev_p->qpmask))
- __kfifo_put(&rdev_p->rscp->qpid_fifo,
+ kfifo_put(&rdev_p->rscp->qpid_fifo,
(unsigned char *) &i, sizeof(u32));
return 0;
}
diff -u -N -r linux-2.6.31-rc4-kfifo2/drivers/net/wireless/libertas/cmd.c linux-2.6.31-rc4-kfifo3/drivers/net/wireless/libertas/cmd.c
--- linux-2.6.31-rc4-kfifo2/drivers/net/wireless/libertas/cmd.c 2009-08-11 12:51:53.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/drivers/net/wireless/libertas/cmd.c 2009-08-11 13:14:45.000000000 +0200
@@ -1862,7 +1862,7 @@
priv->dnld_sent = DNLD_RES_RECEIVED;
/* If nothing to do, go back to sleep (?) */
- if (!__kfifo_len(&priv->event_fifo) && !priv->resp_len[priv->resp_idx])
+ if (!kfifo_len(&priv->event_fifo) && !priv->resp_len[priv->resp_idx])
priv->psstate = PS_STATE_SLEEP;
spin_unlock_irqrestore(&priv->driver_lock, flags);
@@ -1936,7 +1936,7 @@
}
/* Pending events or command responses? */
- if (__kfifo_len(&priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
+ if (kfifo_len(&priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
allowed = 0;
lbs_deb_host("pending events or command responses\n");
}
diff -u -N -r linux-2.6.31-rc4-kfifo2/drivers/net/wireless/libertas/main.c linux-2.6.31-rc4-kfifo3/drivers/net/wireless/libertas/main.c
--- linux-2.6.31-rc4-kfifo2/drivers/net/wireless/libertas/main.c 2009-08-11 12:45:53.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/drivers/net/wireless/libertas/main.c 2009-08-11 13:14:41.000000000 +0200
@@ -772,7 +772,7 @@
shouldsleep = 1; /* Can't send a command; one already running */
else if (!list_empty(&priv->cmdpendingq))
shouldsleep = 0; /* We have a command to send */
- else if (__kfifo_len(&priv->event_fifo))
+ else if (kfifo_len(&priv->event_fifo))
shouldsleep = 0; /* We have an event to process */
else
shouldsleep = 1; /* No command */
@@ -851,10 +851,10 @@
/* Process hardware events, e.g. card removed, link lost */
spin_lock_irq(&priv->driver_lock);
- while (__kfifo_len(&priv->event_fifo)) {
+ while (kfifo_len(&priv->event_fifo)) {
u32 event;
- __kfifo_get(&priv->event_fifo, (unsigned char *) &event,
+ kfifo_get(&priv->event_fifo, (unsigned char *) &event,
sizeof(event));
spin_unlock_irq(&priv->driver_lock);
lbs_process_event(priv, event);
@@ -1578,7 +1578,7 @@
if (priv->psstate == PS_STATE_SLEEP)
priv->psstate = PS_STATE_AWAKE;
- __kfifo_put(&priv->event_fifo, (unsigned char *) &event, sizeof(u32));
+ kfifo_put(&priv->event_fifo, (unsigned char *) &event, sizeof(u32));
wake_up_interruptible(&priv->waitq);
diff -u -N -r linux-2.6.31-rc4-kfifo2/drivers/platform/x86/sony-laptop.c linux-2.6.31-rc4-kfifo3/drivers/platform/x86/sony-laptop.c
--- linux-2.6.31-rc4-kfifo2/drivers/platform/x86/sony-laptop.c 2009-08-11 12:49:23.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/drivers/platform/x86/sony-laptop.c 2009-08-11 13:13:24.000000000 +0200
@@ -2121,7 +2121,7 @@
spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
if (atomic_inc_return(&sonypi_compat.open_count) == 1)
- __kfifo_reset(&sonypi_compat.fifo);
+ kfifo_reset(&sonypi_compat.fifo);
spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
diff -u -N -r linux-2.6.31-rc4-kfifo2/drivers/scsi/libiscsi.c linux-2.6.31-rc4-kfifo3/drivers/scsi/libiscsi.c
--- linux-2.6.31-rc4-kfifo2/drivers/scsi/libiscsi.c 2009-08-09 16:15:00.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/drivers/scsi/libiscsi.c 2009-08-11 13:13:43.000000000 +0200
@@ -428,7 +428,7 @@
if (conn->login_task == task)
return;
- __kfifo_put(&session->cmdpool.queue, (void*)&task, sizeof(void*));
+ kfifo_put(&session->cmdpool.queue, (void*)&task, sizeof(void*));
if (sc) {
task->sc = NULL;
@@ -614,7 +614,7 @@
BUG_ON(conn->c_stage == ISCSI_CONN_INITIAL_STAGE);
BUG_ON(conn->c_stage == ISCSI_CONN_STOPPED);
- if (!__kfifo_get(&session->cmdpool.queue,
+ if (!kfifo_get(&session->cmdpool.queue,
(void*)&task, sizeof(void*)))
return NULL;
}
@@ -1376,7 +1376,7 @@
{
struct iscsi_task *task;
- if (!__kfifo_get(&conn->session->cmdpool.queue,
+ if (!kfifo_get(&conn->session->cmdpool.queue,
(void *) &task, sizeof(void *)))
return NULL;
@@ -2129,7 +2129,7 @@
q->max = i;
goto enomem;
}
- __kfifo_put(&q->queue, (void*)&q->pool[i], sizeof(void*));
+ kfifo_put(&q->queue, (void*)&q->pool[i], sizeof(void*));
}
if (items) {
@@ -2476,7 +2476,7 @@
/* allocate login_task used for the login/text sequences */
spin_lock_bh(&session->lock);
- if (!__kfifo_get(&session->cmdpool.queue,
+ if (!kfifo_get(&session->cmdpool.queue,
(void*)&conn->login_task,
sizeof(void*))) {
spin_unlock_bh(&session->lock);
@@ -2496,7 +2496,7 @@
return cls_conn;
login_task_data_alloc_fail:
- __kfifo_put(&session->cmdpool.queue, (void*)&conn->login_task,
+ kfifo_put(&session->cmdpool.queue, (void*)&conn->login_task,
sizeof(void*));
login_task_alloc_fail:
iscsi_destroy_conn(cls_conn);
@@ -2559,7 +2559,7 @@
free_pages((unsigned long) conn->data,
get_order(ISCSI_DEF_MAX_RECV_SEG_LEN));
kfree(conn->persistent_address);
- __kfifo_put(&session->cmdpool.queue, (void*)&conn->login_task,
+ kfifo_put(&session->cmdpool.queue, (void*)&conn->login_task,
sizeof(void*));
if (session->leadconn == conn)
session->leadconn = NULL;
diff -u -N -r linux-2.6.31-rc4-kfifo2/drivers/scsi/libiscsi_tcp.c linux-2.6.31-rc4-kfifo3/drivers/scsi/libiscsi_tcp.c
--- linux-2.6.31-rc4-kfifo2/drivers/scsi/libiscsi_tcp.c 2009-08-11 22:41:11.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/drivers/scsi/libiscsi_tcp.c 2009-08-11 22:41:20.000000000 +0200
@@ -445,15 +445,15 @@
return;
/* flush task's r2t queues */
- while (__kfifo_get(&tcp_task->r2tqueue, (void*)&r2t, sizeof(void*))) {
- __kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
+ while (kfifo_get(&tcp_task->r2tqueue, (void*)&r2t, sizeof(void*))) {
+ kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
sizeof(void*));
ISCSI_DBG_TCP(task->conn, "pending r2t dropped\n");
}
r2t = tcp_task->r2t;
if (r2t != NULL) {
- __kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
+ kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
sizeof(void*));
tcp_task->r2t = NULL;
}
@@ -541,7 +541,7 @@
return 0;
}
- rc = __kfifo_get(&tcp_task->r2tpool.queue, (void*)&r2t, sizeof(void*));
+ rc = kfifo_get(&tcp_task->r2tpool.queue, (void*)&r2t, sizeof(void*));
if (!rc) {
iscsi_conn_printk(KERN_ERR, conn, "Could not allocate R2T. "
"Target has sent more R2Ts than it "
@@ -554,7 +554,7 @@
if (r2t->data_length == 0) {
iscsi_conn_printk(KERN_ERR, conn,
"invalid R2T with zero data len\n");
- __kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
+ kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
sizeof(void*));
return ISCSI_ERR_DATALEN;
}
@@ -570,7 +570,7 @@
"invalid R2T with data len %u at offset %u "
"and total length %d\n", r2t->data_length,
r2t->data_offset, scsi_out(task->sc)->length);
- __kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
+ kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
sizeof(void*));
return ISCSI_ERR_DATALEN;
}
@@ -580,7 +580,7 @@
r2t->sent = 0;
tcp_task->exp_datasn = r2tsn + 1;
- __kfifo_put(&tcp_task->r2tqueue, (void*)&r2t, sizeof(void*));
+ kfifo_put(&tcp_task->r2tqueue, (void*)&r2t, sizeof(void*));
conn->r2t_pdus_cnt++;
iscsi_requeue_task(task);
@@ -951,7 +951,7 @@
return conn->session->tt->init_pdu(task, 0, task->data_count);
}
- BUG_ON(__kfifo_len(&tcp_task->r2tqueue));
+ BUG_ON(kfifo_len(&tcp_task->r2tqueue));
tcp_task->exp_datasn = 0;
/* Prepare PDU, optionally w/ immediate data */
@@ -982,7 +982,7 @@
if (r2t->data_length <= r2t->sent) {
ISCSI_DBG_TCP(task->conn,
" done with r2t %p\n", r2t);
- __kfifo_put(&tcp_task->r2tpool.queue,
+ kfifo_put(&tcp_task->r2tpool.queue,
(void *)&tcp_task->r2t,
sizeof(void *));
tcp_task->r2t = r2t = NULL;
@@ -990,7 +990,7 @@
}
if (r2t == NULL) {
- __kfifo_get(&tcp_task->r2tqueue,
+ kfifo_get(&tcp_task->r2tqueue,
(void *)&tcp_task->r2t, sizeof(void *));
r2t = tcp_task->r2t;
}
diff -u -N -r linux-2.6.31-rc4-kfifo2/drivers/scsi/libsrp.c linux-2.6.31-rc4-kfifo3/drivers/scsi/libsrp.c
--- linux-2.6.31-rc4-kfifo2/drivers/scsi/libsrp.c 2009-08-09 16:18:53.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/drivers/scsi/libsrp.c 2009-08-11 13:14:12.000000000 +0200
@@ -61,7 +61,7 @@
kfifo_init(&q->queue, (void *) q->pool, max * sizeof(void *));
for (i = 0, iue = q->items; i < max; i++) {
- __kfifo_put(&q->queue, (void *) &iue, sizeof(void *));
+ kfifo_put(&q->queue, (void *) &iue, sizeof(void *));
iue->sbuf = ring[i];
iue++;
}
diff -u -N -r linux-2.6.31-rc4-kfifo2/drivers/usb/host/fhci.h linux-2.6.31-rc4-kfifo3/drivers/usb/host/fhci.h
--- linux-2.6.31-rc4-kfifo2/drivers/usb/host/fhci.h 2009-08-11 12:46:08.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/drivers/usb/host/fhci.h 2009-08-11 13:14:36.000000000 +0200
@@ -505,19 +505,19 @@
static inline unsigned int cq_howmany(struct kfifo *kfifo)
{
- return __kfifo_len(kfifo) / sizeof(void *);
+ return kfifo_len(kfifo) / sizeof(void *);
}
static inline int cq_put(struct kfifo *kfifo, void *p)
{
- return __kfifo_put(kfifo, (void *)&p, sizeof(p));
+ return kfifo_put(kfifo, (void *)&p, sizeof(p));
}
static inline void *cq_get(struct kfifo *kfifo)
{
void *p = NULL;
- __kfifo_get(kfifo, (void *)&p, sizeof(p));
+ kfifo_get(kfifo, (void *)&p, sizeof(p));
return p;
}
diff -u -N -r linux-2.6.31-rc4-kfifo2/include/linux/kfifo.h linux-2.6.31-rc4-kfifo3/include/linux/kfifo.h
--- linux-2.6.31-rc4-kfifo2/include/linux/kfifo.h 2009-08-16 22:18:26.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/include/linux/kfifo.h 2009-08-16 22:15:37.000000000 +0200
@@ -37,34 +37,25 @@
extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size,
gfp_t gfp_mask);
extern void kfifo_free(struct kfifo *fifo);
-extern unsigned int __kfifo_put(struct kfifo *fifo,
+extern unsigned int kfifo_put(struct kfifo *fifo,
const unsigned char *buffer, unsigned int len);
-extern unsigned int __kfifo_get(struct kfifo *fifo,
+extern unsigned int kfifo_get(struct kfifo *fifo,
unsigned char *buffer, unsigned int len);
/**
- * __kfifo_reset - removes the entire FIFO contents, no locking version
- * @fifo: the fifo to be emptied.
- */
-static inline void __kfifo_reset(struct kfifo *fifo)
-{
- fifo->in = fifo->out = 0;
-}
-
-/**
* kfifo_reset - removes the entire FIFO contents
* @fifo: the fifo to be emptied.
*/
static inline void kfifo_reset(struct kfifo *fifo)
{
- __kfifo_reset(fifo);
+ fifo->in = fifo->out = 0;
}
/**
- * __kfifo_len - returns the number of bytes available in the FIFO
+ * kfifo_len - returns the number of used bytes in the FIFO
* @fifo: the fifo to be used.
*/
-static inline unsigned int __kfifo_len(struct kfifo *fifo)
+static inline unsigned int kfifo_len(struct kfifo *fifo)
{
register unsigned int out;
@@ -92,7 +83,7 @@
spin_lock_irqsave(lock, flags);
- ret = __kfifo_put(fifo, from, n);
+ ret = kfifo_put(fifo, from, n);
spin_unlock_irqrestore(lock, flags);
@@ -117,7 +108,7 @@
spin_lock_irqsave(lock, flags);
- ret = __kfifo_get(fifo, to, n);
+ ret = kfifo_get(fifo, to, n);
/*
* optimization: if the FIFO is empty, set the indices to 0
@@ -131,13 +122,4 @@
return ret;
}
-/**
- * kfifo_len - returns the number of bytes available in the FIFO
- * @fifo: the fifo to be used.
- */
-static inline unsigned int kfifo_len(struct kfifo *fifo)
-{
- return __kfifo_len(fifo);
-}
-
#endif
diff -u -N -r linux-2.6.31-rc4-kfifo2/kernel/kfifo.c linux-2.6.31-rc4-kfifo3/kernel/kfifo.c
--- linux-2.6.31-rc4-kfifo2/kernel/kfifo.c 2009-08-16 22:08:37.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/kernel/kfifo.c 2009-08-16 22:08:48.000000000 +0200
@@ -100,7 +100,7 @@
EXPORT_SYMBOL(kfifo_free);
/**
- * __kfifo_put - puts some data into the FIFO, no locking version
+ * kfifo_put - puts some data into the FIFO, no locking version
* @fifo: the fifo to be used.
* @buffer: the data to be added.
* @len: the length of the data to be added.
@@ -112,7 +112,7 @@
* Note that with only one concurrent reader and one concurrent
* writer, you don't need extra locking to use these functions.
*/
-unsigned int __kfifo_put(struct kfifo *fifo,
+unsigned int kfifo_put(struct kfifo *fifo,
const unsigned char *buffer, unsigned int len)
{
unsigned int l;
@@ -144,10 +144,10 @@
return len;
}
-EXPORT_SYMBOL(__kfifo_put);
+EXPORT_SYMBOL(kfifo_put);
/**
- * __kfifo_get - gets some data from the FIFO, no locking version
+ * kfifo_get - gets some data from the FIFO, no locking version
* @fifo: the fifo to be used.
* @buffer: where the data must be copied.
* @len: the size of the destination buffer.
@@ -158,7 +158,7 @@
* Note that with only one concurrent reader and one concurrent
* writer, you don't need extra locking to use these functions.
*/
-unsigned int __kfifo_get(struct kfifo *fifo,
+unsigned int kfifo_get(struct kfifo *fifo,
unsigned char *buffer, unsigned int len)
{
unsigned int l;
@@ -190,4 +190,4 @@
return len;
}
-EXPORT_SYMBOL(__kfifo_get);
+EXPORT_SYMBOL(kfifo_get);
diff -u -N -r linux-2.6.31-rc4-kfifo2/net/dccp/probe.c linux-2.6.31-rc4-kfifo3/net/dccp/probe.c
--- linux-2.6.31-rc4-kfifo2/net/dccp/probe.c 2009-08-11 12:50:28.000000000 +0200
+++ linux-2.6.31-rc4-kfifo3/net/dccp/probe.c 2009-08-11 13:15:34.000000000 +0200
@@ -132,7 +132,7 @@
return -ENOMEM;
error = wait_event_interruptible(dccpw.wait,
- __kfifo_len(&dccpw.fifo) != 0);
+ kfifo_len(&dccpw.fifo) != 0);
if (error)
goto out_free;
--
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