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kfifo: cleanup namespace

Browse source 
change name of __kfifo_* functions to kfifo_*, because the prefix __kfifo
should be reserved for internal functions only.

Signed-off-by: Stefani Seibold <stefani@seibold.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Stefani Seibold 2009-12-21 14:37:28 -08:00 committed by Linus Torvalds
parent c1e13f2567
commit e64c026dd0
13 changed files with 55 additions and 73 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/char/nozomi.c
View file

@ -798,7 +798,7 @@ static int send_data(enum port_type index, struct nozomi *dc)
struct tty_struct *tty = tty_port_tty_get(&port->port); struct tty_struct *tty = tty_port_tty_get(&port->port);
/* Get data from tty and place in buf for now */ /* 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); ul_size < SEND_BUF_MAX ? ul_size : SEND_BUF_MAX);
if (size == 0) { if (size == 0) {
@ -988,11 +988,11 @@ static int receive_flow_control(struct nozomi *dc)
} else if (old_ctrl.CTS == 0 && ctrl_dl.CTS == 1) { } 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", DBG1("Enable interrupt (0x%04X) on port: %d",
enable_ier, port); enable_ier, port);
DBG1("Data in buffer [%d], enable transmit! ", 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); enable_transmit_ul(port, dc);
} else { } else {
DBG1("No data in buffer..."); DBG1("No data in buffer...");
@ -1672,7 +1672,7 @@ static int ntty_write(struct tty_struct *tty, const unsigned char *buffer,
goto exit; goto exit;
} }
rval = __kfifo_put(&port->fifo_ul, (unsigned char *)buffer, count); rval = kfifo_put(&port->fifo_ul, (unsigned char *)buffer, count);
/* notify card */ /* notify card */
if (unlikely(dc == NULL)) { if (unlikely(dc == NULL)) {
@ -1720,7 +1720,7 @@ static int ntty_write_room(struct tty_struct *tty)
if (!port->port.count) if (!port->port.count)
goto exit; goto exit;
room = port->fifo_ul.size - __kfifo_len(&port->fifo_ul); room = port->fifo_ul.size - kfifo_len(&port->fifo_ul);
exit: exit:
mutex_unlock(&port->tty_sem); mutex_unlock(&port->tty_sem);
@ -1877,7 +1877,7 @@ static s32 ntty_chars_in_buffer(struct tty_struct *tty)
goto exit_in_buffer; goto exit_in_buffer;
} }
rval = __kfifo_len(&port->fifo_ul); rval = kfifo_len(&port->fifo_ul);
exit_in_buffer: exit_in_buffer:
return rval; return rval;

10
drivers/infiniband/hw/cxgb3/cxio_resource.c
View file

@ -59,7 +59,7 @@ static int __cxio_init_resource_fifo(struct kfifo *fifo,
return -ENOMEM; return -ENOMEM;
for (i = 0; i < skip_low + skip_high; i++) 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) { if (random) {
j = 0; j = 0;
random_bytes = random32(); random_bytes = random32();
@ -71,19 +71,19 @@ static int __cxio_init_resource_fifo(struct kfifo *fifo,
random_bytes = random32(); random_bytes = random32();
} }
idx = (random_bytes >> (j * 2)) & 0xF; idx = (random_bytes >> (j * 2)) & 0xF;
__kfifo_put(fifo, kfifo_put(fifo,
(unsigned char *) &rarray[idx], (unsigned char *) &rarray[idx],
sizeof(u32)); sizeof(u32));
rarray[idx] = i; rarray[idx] = i;
j++; j++;
} }
for (i = 0; i < RANDOM_SIZE; i++) for (i = 0; i < RANDOM_SIZE; i++)
__kfifo_put(fifo, kfifo_put(fifo,
(unsigned char *) &rarray[i], (unsigned char *) &rarray[i],
sizeof(u32)); sizeof(u32));
} else } else
for (i = skip_low; i < nr - skip_high; i++) 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++) for (i = 0; i < skip_low + skip_high; i++)
kfifo_get_locked(fifo, (unsigned char *) &entry, kfifo_get_locked(fifo, (unsigned char *) &entry,
@ -119,7 +119,7 @@ static int cxio_init_qpid_fifo(struct cxio_rdev *rdev_p)
for (i = 16; i < T3_MAX_NUM_QP; i++) for (i = 16; i < T3_MAX_NUM_QP; i++)
if (!(i & rdev_p->qpmask)) if (!(i & rdev_p->qpmask))
__kfifo_put(&rdev_p->rscp->qpid_fifo, kfifo_put(&rdev_p->rscp->qpid_fifo,
(unsigned char *) &i, sizeof(u32)); (unsigned char *) &i, sizeof(u32));
return 0; return 0;
} }

4
drivers/net/wireless/libertas/cmd.c
View file

@ -1365,7 +1365,7 @@ static void lbs_send_confirmsleep(struct lbs_private *priv)
priv->dnld_sent = DNLD_RES_RECEIVED; priv->dnld_sent = DNLD_RES_RECEIVED;
/* If nothing to do, go back to sleep (?) */ /* 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; priv->psstate = PS_STATE_SLEEP;
spin_unlock_irqrestore(&priv->driver_lock, flags); spin_unlock_irqrestore(&priv->driver_lock, flags);
@ -1439,7 +1439,7 @@ void lbs_ps_confirm_sleep(struct lbs_private *priv)
} }
/* Pending events or command responses? */ /* 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; allowed = 0;
lbs_deb_host("pending events or command responses\n"); lbs_deb_host("pending events or command responses\n");
} }

8
drivers/net/wireless/libertas/main.c
View file

@ -459,7 +459,7 @@ static int lbs_thread(void *data)
else if (!list_empty(&priv->cmdpendingq) && else if (!list_empty(&priv->cmdpendingq) &&
!(priv->wakeup_dev_required)) !(priv->wakeup_dev_required))
shouldsleep = 0; /* We have a command to send */ 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 */ shouldsleep = 0; /* We have an event to process */
else else
shouldsleep = 1; /* No command */ shouldsleep = 1; /* No command */
@ -511,9 +511,9 @@ static int lbs_thread(void *data)
/* Process hardware events, e.g. card removed, link lost */ /* Process hardware events, e.g. card removed, link lost */
spin_lock_irq(&priv->driver_lock); spin_lock_irq(&priv->driver_lock);
while (__kfifo_len(&priv->event_fifo)) { while (kfifo_len(&priv->event_fifo)) {
u32 event; u32 event;
__kfifo_get(&priv->event_fifo, (unsigned char *) &event, kfifo_get(&priv->event_fifo, (unsigned char *) &event,
sizeof(event)); sizeof(event));
spin_unlock_irq(&priv->driver_lock); spin_unlock_irq(&priv->driver_lock);
lbs_process_event(priv, event); lbs_process_event(priv, event);
@ -1175,7 +1175,7 @@ void lbs_queue_event(struct lbs_private *priv, u32 event)
if (priv->psstate == PS_STATE_SLEEP) if (priv->psstate == PS_STATE_SLEEP)
priv->psstate = PS_STATE_AWAKE; 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); wake_up_interruptible(&priv->waitq);

2
drivers/platform/x86/sony-laptop.c
View file

@ -2107,7 +2107,7 @@ static int sonypi_misc_open(struct inode *inode, struct file *file)
spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
if (atomic_inc_return(&sonypi_compat.open_count) == 1) 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); spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);

14
drivers/scsi/libiscsi.c
View file

@ -517,7 +517,7 @@ static void iscsi_free_task(struct iscsi_task *task)
if (conn->login_task == task) if (conn->login_task == task)
return; return;
__kfifo_put(&session->cmdpool.queue, (void*)&task, sizeof(void*)); kfifo_put(&session->cmdpool.queue, (void*)&task, sizeof(void*));
if (sc) { if (sc) {
task->sc = NULL; task->sc = NULL;
@ -737,7 +737,7 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
BUG_ON(conn->c_stage == ISCSI_CONN_INITIAL_STAGE); BUG_ON(conn->c_stage == ISCSI_CONN_INITIAL_STAGE);
BUG_ON(conn->c_stage == ISCSI_CONN_STOPPED); BUG_ON(conn->c_stage == ISCSI_CONN_STOPPED);
if (!__kfifo_get(&session->cmdpool.queue, if (!kfifo_get(&session->cmdpool.queue,
(void*)&task, sizeof(void*))) (void*)&task, sizeof(void*)))
return NULL; return NULL;
} }
@ -1567,7 +1567,7 @@ static inline struct iscsi_task *iscsi_alloc_task(struct iscsi_conn *conn,
{ {
struct iscsi_task *task; struct iscsi_task *task;
if (!__kfifo_get(&conn->session->cmdpool.queue, if (!kfifo_get(&conn->session->cmdpool.queue,
(void *) &task, sizeof(void *))) (void *) &task, sizeof(void *)))
return NULL; return NULL;
@ -2469,7 +2469,7 @@ iscsi_pool_init(struct iscsi_pool *q, int max, void ***items, int item_size)
q->max = i; q->max = i;
goto enomem; goto enomem;
} }
__kfifo_put(&q->queue, (void*)&q->pool[i], sizeof(void*)); kfifo_put(&q->queue, (void*)&q->pool[i], sizeof(void*));
} }
if (items) { if (items) {
@ -2819,7 +2819,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
/* allocate login_task used for the login/text sequences */ /* allocate login_task used for the login/text sequences */
spin_lock_bh(&session->lock); spin_lock_bh(&session->lock);
if (!__kfifo_get(&session->cmdpool.queue, if (!kfifo_get(&session->cmdpool.queue,
(void*)&conn->login_task, (void*)&conn->login_task,
sizeof(void*))) { sizeof(void*))) {
spin_unlock_bh(&session->lock); spin_unlock_bh(&session->lock);
@ -2839,7 +2839,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
return cls_conn; return cls_conn;
login_task_data_alloc_fail: 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*)); sizeof(void*));
login_task_alloc_fail: login_task_alloc_fail:
iscsi_destroy_conn(cls_conn); iscsi_destroy_conn(cls_conn);
@ -2902,7 +2902,7 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn)
free_pages((unsigned long) conn->data, free_pages((unsigned long) conn->data,
get_order(ISCSI_DEF_MAX_RECV_SEG_LEN)); get_order(ISCSI_DEF_MAX_RECV_SEG_LEN));
kfree(conn->persistent_address); kfree(conn->persistent_address);
__kfifo_put(&session->cmdpool.queue, (void*)&conn->login_task, kfifo_put(&session->cmdpool.queue, (void*)&conn->login_task,
sizeof(void*)); sizeof(void*));
if (session->leadconn == conn) if (session->leadconn == conn)
session->leadconn = NULL; session->leadconn = NULL;

20
drivers/scsi/libiscsi_tcp.c
View file

@ -445,15 +445,15 @@ void iscsi_tcp_cleanup_task(struct iscsi_task *task)
return; return;
/* flush task's r2t queues */ /* flush task's r2t queues */
while (__kfifo_get(&tcp_task->r2tqueue, (void*)&r2t, sizeof(void*))) { while (kfifo_get(&tcp_task->r2tqueue, (void*)&r2t, sizeof(void*))) {
__kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t, kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
sizeof(void*)); sizeof(void*));
ISCSI_DBG_TCP(task->conn, "pending r2t dropped\n"); ISCSI_DBG_TCP(task->conn, "pending r2t dropped\n");
} }
r2t = tcp_task->r2t; r2t = tcp_task->r2t;
if (r2t != NULL) { if (r2t != NULL) {
__kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t, kfifo_put(&tcp_task->r2tpool.queue, (void*)&r2t,
sizeof(void*)); sizeof(void*));
tcp_task->r2t = NULL; tcp_task->r2t = NULL;
} }
@ -541,7 +541,7 @@ static int iscsi_tcp_r2t_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
return 0; 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) { if (!rc) {
iscsi_conn_printk(KERN_ERR, conn, "Could not allocate R2T. " iscsi_conn_printk(KERN_ERR, conn, "Could not allocate R2T. "
"Target has sent more R2Ts than it " "Target has sent more R2Ts than it "
@ -554,7 +554,7 @@ static int iscsi_tcp_r2t_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
if (r2t->data_length == 0) { if (r2t->data_length == 0) {
iscsi_conn_printk(KERN_ERR, conn, iscsi_conn_printk(KERN_ERR, conn,
"invalid R2T with zero data len\n"); "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*)); sizeof(void*));
return ISCSI_ERR_DATALEN; return ISCSI_ERR_DATALEN;
} }
@ -570,7 +570,7 @@ static int iscsi_tcp_r2t_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
"invalid R2T with data len %u at offset %u " "invalid R2T with data len %u at offset %u "
"and total length %d\n", r2t->data_length, "and total length %d\n", r2t->data_length,
r2t->data_offset, scsi_out(task->sc)->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*)); sizeof(void*));
return ISCSI_ERR_DATALEN; return ISCSI_ERR_DATALEN;
} }
@ -580,7 +580,7 @@ static int iscsi_tcp_r2t_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
r2t->sent = 0; r2t->sent = 0;
tcp_task->exp_datasn = r2tsn + 1; 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++; conn->r2t_pdus_cnt++;
iscsi_requeue_task(task); iscsi_requeue_task(task);
@ -951,7 +951,7 @@ int iscsi_tcp_task_init(struct iscsi_task *task)
return conn->session->tt->init_pdu(task, 0, task->data_count); 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; tcp_task->exp_datasn = 0;
/* Prepare PDU, optionally w/ immediate data */ /* Prepare PDU, optionally w/ immediate data */
@ -982,7 +982,7 @@ static struct iscsi_r2t_info *iscsi_tcp_get_curr_r2t(struct iscsi_task *task)
if (r2t->data_length <= r2t->sent) { if (r2t->data_length <= r2t->sent) {
ISCSI_DBG_TCP(task->conn, ISCSI_DBG_TCP(task->conn,
" done with r2t %p\n", r2t); " done with r2t %p\n", r2t);
__kfifo_put(&tcp_task->r2tpool.queue, kfifo_put(&tcp_task->r2tpool.queue,
(void *)&tcp_task->r2t, (void *)&tcp_task->r2t,
sizeof(void *)); sizeof(void *));
tcp_task->r2t = r2t = NULL; tcp_task->r2t = r2t = NULL;
@ -990,7 +990,7 @@ static struct iscsi_r2t_info *iscsi_tcp_get_curr_r2t(struct iscsi_task *task)
} }
if (r2t == NULL) { if (r2t == NULL) {
__kfifo_get(&tcp_task->r2tqueue, kfifo_get(&tcp_task->r2tqueue,
(void *)&tcp_task->r2t, sizeof(void *)); (void *)&tcp_task->r2t, sizeof(void *));
r2t = tcp_task->r2t; r2t = tcp_task->r2t;
} }

2
drivers/scsi/libsrp.c
View file

@ -61,7 +61,7 @@ static int srp_iu_pool_alloc(struct srp_queue *q, size_t max,
kfifo_init(&q->queue, (void *) q->pool, max * sizeof(void *)); kfifo_init(&q->queue, (void *) q->pool, max * sizeof(void *));
for (i = 0, iue = q->items; i < max; i++) { 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->sbuf = ring[i];
iue++; iue++;
} }

6
drivers/usb/host/fhci.h
View file

@ -505,19 +505,19 @@ static inline void cq_delete(struct kfifo *kfifo)
static inline unsigned int cq_howmany(struct kfifo *kfifo) 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) 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) static inline void *cq_get(struct kfifo *kfifo)
{ {
void *p = NULL; void *p = NULL;
__kfifo_get(kfifo, (void *)&p, sizeof(p)); kfifo_get(kfifo, (void *)&p, sizeof(p));
return p; return p;
} }

4
drivers/usb/serial/generic.c
View file

@ -276,7 +276,7 @@ static int usb_serial_generic_write_start(struct usb_serial_port *port)
if (port->write_urb_busy) if (port->write_urb_busy)
start_io = false; start_io = false;
else { else {
start_io = (__kfifo_len(port->write_fifo) != 0); start_io = (kfifo_len(port->write_fifo) != 0);
port->write_urb_busy = start_io; port->write_urb_busy = start_io;
} }
spin_unlock_irqrestore(&port->lock, flags); spin_unlock_irqrestore(&port->lock, flags);
@ -370,7 +370,7 @@ int usb_serial_generic_write_room(struct tty_struct *tty)
(serial->type->max_in_flight_urbs - (serial->type->max_in_flight_urbs -
port->urbs_in_flight); port->urbs_in_flight);
} else if (serial->num_bulk_out) } else if (serial->num_bulk_out)
room = port->write_fifo->size - __kfifo_len(port->write_fifo); room = port->write_fifo->size - kfifo_len(port->write_fifo);
spin_unlock_irqrestore(&port->lock, flags); spin_unlock_irqrestore(&port->lock, flags);
dbg("%s - returns %d", __func__, room); dbg("%s - returns %d", __func__, room);

32
include/linux/kfifo.h
View file

@ -37,34 +37,25 @@ extern void kfifo_init(struct kfifo *fifo, unsigned char *buffer,
extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size, extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size,
gfp_t gfp_mask); gfp_t gfp_mask);
extern void kfifo_free(struct kfifo *fifo); 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); 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); 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 * kfifo_reset - removes the entire FIFO contents
* @fifo: the fifo to be emptied. * @fifo: the fifo to be emptied.
*/ */
static inline void kfifo_reset(struct kfifo *fifo) 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. * @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; register unsigned int out;
@ -92,7 +83,7 @@ static inline __must_check unsigned int kfifo_put_locked(struct kfifo *fifo,
spin_lock_irqsave(lock, flags); spin_lock_irqsave(lock, flags);
ret = __kfifo_put(fifo, from, n); ret = kfifo_put(fifo, from, n);
spin_unlock_irqrestore(lock, flags); spin_unlock_irqrestore(lock, flags);
@ -117,7 +108,7 @@ static inline __must_check unsigned int kfifo_get_locked(struct kfifo *fifo,
spin_lock_irqsave(lock, flags); 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 * optimization: if the FIFO is empty, set the indices to 0
@ -131,13 +122,4 @@ static inline __must_check unsigned int kfifo_get_locked(struct kfifo *fifo,
return ret; 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 #endif

12
kernel/kfifo.c
View file

@ -100,7 +100,7 @@ void kfifo_free(struct kfifo *fifo)
EXPORT_SYMBOL(kfifo_free); 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. * @fifo: the fifo to be used.
* @buffer: the data to be added. * @buffer: the data to be added.
* @len: the length of the data to be added. * @len: the length of the data to be added.
@ -112,7 +112,7 @@ EXPORT_SYMBOL(kfifo_free);
* Note that with only one concurrent reader and one concurrent * Note that with only one concurrent reader and one concurrent
* writer, you don't need extra locking to use these functions. * 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) const unsigned char *buffer, unsigned int len)
{ {
unsigned int l; unsigned int l;
@ -144,10 +144,10 @@ unsigned int __kfifo_put(struct kfifo *fifo,
return len; 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. * @fifo: the fifo to be used.
* @buffer: where the data must be copied. * @buffer: where the data must be copied.
* @len: the size of the destination buffer. * @len: the size of the destination buffer.
@ -158,7 +158,7 @@ EXPORT_SYMBOL(__kfifo_put);
* Note that with only one concurrent reader and one concurrent * Note that with only one concurrent reader and one concurrent
* writer, you don't need extra locking to use these functions. * 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 char *buffer, unsigned int len)
{ {
unsigned int l; unsigned int l;
@ -190,4 +190,4 @@ unsigned int __kfifo_get(struct kfifo *fifo,
return len; return len;
} }
EXPORT_SYMBOL(__kfifo_get); EXPORT_SYMBOL(kfifo_get);

2
net/dccp/probe.c
View file

@ -131,7 +131,7 @@ static ssize_t dccpprobe_read(struct file *file, char __user *buf,
return -ENOMEM; return -ENOMEM;
error = wait_event_interruptible(dccpw.wait, error = wait_event_interruptible(dccpw.wait,
__kfifo_len(&dccpw.fifo) != 0); kfifo_len(&dccpw.fifo) != 0);
if (error) if (error)
goto out_free; goto out_free;