- POSIX ACLs
- quotas
- fsck
- - resize
- defragmentation
Mount options
/*
* clocksource
*/
+
+static cycle_t ixp4xx_clocksource_read(struct clocksource *c)
+{
+ return *IXP4XX_OSTS;
+}
+
unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ;
EXPORT_SYMBOL(ixp4xx_timer_freq);
static void __init ixp4xx_clocksource_init(void)
{
init_sched_clock(&cd, ixp4xx_update_sched_clock, 32, ixp4xx_timer_freq);
- clocksource_mmio_init(&IXP4XX_OSTS, "OSTS", ixp4xx_timer_freq, 200, 32,
- clocksource_mmio_readl_up);
+ clocksource_mmio_init(NULL, "OSTS", ixp4xx_timer_freq, 200, 32,
+ ixp4xx_clocksource_read);
}
/*
return chan;
}
-int s3c2410_dma_config(unsigned int channel, int xferunit)
+int s3c2410_dma_config(enum dma_ch channel, int xferunit)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
return 0;
}
-int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op)
+int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
*
*/
-int s3c2410_dma_enqueue(unsigned int channel, void *id,
+int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
dma_addr_t data, int size)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
EXPORT_SYMBOL(s3c2410_dma_enqueue);
-int s3c2410_dma_devconfig(unsigned int channel,
+int s3c2410_dma_devconfig(enum dma_ch channel,
enum s3c2410_dmasrc source,
unsigned long devaddr)
{
EXPORT_SYMBOL(s3c2410_dma_devconfig);
-int s3c2410_dma_getposition(unsigned int channel,
+int s3c2410_dma_getposition(enum dma_ch channel,
dma_addr_t *src, dma_addr_t *dst)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
* get control of an dma channel
*/
-int s3c2410_dma_request(unsigned int channel,
+int s3c2410_dma_request(enum dma_ch channel,
struct s3c2410_dma_client *client,
void *dev)
{
* allowed to go through.
*/
-int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
+int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
unsigned long flags;
* get control of an dma channel
*/
-int s3c2410_dma_request(unsigned int channel,
+int s3c2410_dma_request(enum dma_ch channel,
struct s3c2410_dma_client *client,
void *dev)
{
* allowed to go through.
*/
-int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client)
+int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
unsigned long flags;
}
int
-s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op)
+s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
* xfersize: size of unit in bytes (1,2,4)
*/
-int s3c2410_dma_config(unsigned int channel,
+int s3c2410_dma_config(enum dma_ch channel,
int xferunit)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
* devaddr: physical address of the source
*/
-int s3c2410_dma_devconfig(unsigned int channel,
+int s3c2410_dma_devconfig(enum dma_ch channel,
enum s3c2410_dmasrc source,
unsigned long devaddr)
{
* returns the current transfer points for the dma source and destination
*/
-int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *dst)
+int s3c2410_dma_getposition(enum dma_ch channel, dma_addr_t *src, dma_addr_t *dst)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
* irq?
*/
-int s3c2410_dma_set_opfn(unsigned int channel, s3c2410_dma_opfn_t rtn)
+int s3c2410_dma_set_opfn(enum dma_ch channel, s3c2410_dma_opfn_t rtn)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
}
EXPORT_SYMBOL(s3c2410_dma_set_opfn);
-int s3c2410_dma_set_buffdone_fn(unsigned int channel, s3c2410_dma_cbfn_t rtn)
+int s3c2410_dma_set_buffdone_fn(enum dma_ch channel, s3c2410_dma_cbfn_t rtn)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
}
EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn);
-int s3c2410_dma_setflags(unsigned int channel, unsigned int flags)
+int s3c2410_dma_setflags(enum dma_ch channel, unsigned int flags)
{
struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
};
struct s3c2410_dma_chan;
+enum dma_ch;
/* s3c2410_dma_cbfn_t
*
* request a dma channel exclusivley
*/
-extern int s3c2410_dma_request(unsigned int channel,
+extern int s3c2410_dma_request(enum dma_ch channel,
struct s3c2410_dma_client *, void *dev);
* change the state of the dma channel
*/
-extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op);
+extern int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op);
/* s3c2410_dma_setflags
*
* set the channel's flags to a given state
*/
-extern int s3c2410_dma_setflags(unsigned int channel,
+extern int s3c2410_dma_setflags(enum dma_ch channel,
unsigned int flags);
/* s3c2410_dma_free
* free the dma channel (will also abort any outstanding operations)
*/
-extern int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *);
+extern int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *);
/* s3c2410_dma_enqueue
*
* drained before the buffer is given to the DMA system.
*/
-extern int s3c2410_dma_enqueue(unsigned int channel, void *id,
+extern int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
dma_addr_t data, int size);
/* s3c2410_dma_config
* configure the dma channel
*/
-extern int s3c2410_dma_config(unsigned int channel, int xferunit);
+extern int s3c2410_dma_config(enum dma_ch channel, int xferunit);
/* s3c2410_dma_devconfig
*
* configure the device we're talking to
*/
-extern int s3c2410_dma_devconfig(unsigned int channel,
+extern int s3c2410_dma_devconfig(enum dma_ch channel,
enum s3c2410_dmasrc source, unsigned long devaddr);
/* s3c2410_dma_getposition
* get the position that the dma transfer is currently at
*/
-extern int s3c2410_dma_getposition(unsigned int channel,
+extern int s3c2410_dma_getposition(enum dma_ch channel,
dma_addr_t *src, dma_addr_t *dest);
-extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn);
-extern int s3c2410_dma_set_buffdone_fn(unsigned int, s3c2410_dma_cbfn_t rtn);
+extern int s3c2410_dma_set_opfn(enum dma_ch, s3c2410_dma_opfn_t rtn);
+extern int s3c2410_dma_set_buffdone_fn(enum dma_ch, s3c2410_dma_cbfn_t rtn);
gc = irq_alloc_generic_chip("s3c-uart", 1, uirq->base_irq, reg_base,
handle_level_irq);
+
+ if (!gc) {
+ pr_err("%s: irq_alloc_generic_chip for IRQ %u failed\n",
+ __func__, uirq->base_irq);
+ return;
+ }
+
ct = gc->chip_types;
ct->chip.irq_ack = irq_gc_ack_set_bit;
ct->chip.irq_mask = irq_gc_mask_set_bit;
s3c_tgc = irq_alloc_generic_chip("s3c-timer", 1, timer_irq,
S3C64XX_TINT_CSTAT, handle_level_irq);
+
+ if (!s3c_tgc) {
+ pr_err("%s: irq_alloc_generic_chip for IRQ %d failed\n",
+ __func__, timer_irq);
+ return;
+ }
+
ct = s3c_tgc->chip_types;
ct->chip.irq_mask = irq_gc_mask_clr_bit;
ct->chip.irq_unmask = irq_gc_mask_set_bit;
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/spinlock.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/irq.h>
#include <asm/i8259.h>
}
}
-static int i8259A_resume(struct sys_device *dev)
+static void i8259A_resume(void)
{
if (i8259A_auto_eoi >= 0)
init_8259A(i8259A_auto_eoi);
- return 0;
}
-static int i8259A_shutdown(struct sys_device *dev)
+static void i8259A_shutdown(void)
{
/* Put the i8259A into a quiescent state that
* the kernel initialization code can get it
outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */
outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */
}
- return 0;
}
-static struct sysdev_class i8259_sysdev_class = {
- .name = "i8259",
+static struct syscore_ops i8259_syscore_ops = {
.resume = i8259A_resume,
.shutdown = i8259A_shutdown,
};
-static struct sys_device device_i8259A = {
- .id = 0,
- .cls = &i8259_sysdev_class,
-};
-
static int __init i8259A_init_sysfs(void)
{
- int error = sysdev_class_register(&i8259_sysdev_class);
- if (!error)
- error = sysdev_register(&device_i8259A);
- return error;
+ register_syscore_ops(&i8259_syscore_ops);
+ return 0;
}
device_initcall(i8259A_init_sysfs);
extern unsigned long arch_local_irq_save(void);
extern void arch_local_irq_enable(void);
-static inline unsigned long arch_local_save_flags(void)
+static inline notrace unsigned long arch_local_save_flags(void)
{
unsigned long flags;
return flags;
}
-static inline void arch_local_irq_disable(void)
+static inline notrace void arch_local_irq_disable(void)
{
arch_local_irq_save();
}
-static inline bool arch_irqs_disabled_flags(unsigned long flags)
+static inline notrace bool arch_irqs_disabled_flags(unsigned long flags)
{
return (flags & PSR_PIL) != 0;
}
-static inline bool arch_irqs_disabled(void)
+static inline notrace bool arch_irqs_disabled(void)
{
return arch_irqs_disabled_flags(arch_local_save_flags());
}
#ifndef __ASSEMBLY__
-static inline unsigned long arch_local_save_flags(void)
+static inline notrace unsigned long arch_local_save_flags(void)
{
unsigned long flags;
return flags;
}
-static inline void arch_local_irq_restore(unsigned long flags)
+static inline notrace void arch_local_irq_restore(unsigned long flags)
{
__asm__ __volatile__(
"wrpr %0, %%pil"
);
}
-static inline void arch_local_irq_disable(void)
+static inline notrace void arch_local_irq_disable(void)
{
__asm__ __volatile__(
"wrpr %0, %%pil"
);
}
-static inline void arch_local_irq_enable(void)
+static inline notrace void arch_local_irq_enable(void)
{
__asm__ __volatile__(
"wrpr 0, %%pil"
);
}
-static inline int arch_irqs_disabled_flags(unsigned long flags)
+static inline notrace int arch_irqs_disabled_flags(unsigned long flags)
{
return (flags > 0);
}
-static inline int arch_irqs_disabled(void)
+static inline notrace int arch_irqs_disabled(void)
{
return arch_irqs_disabled_flags(arch_local_save_flags());
}
-static inline unsigned long arch_local_irq_save(void)
+static inline notrace unsigned long arch_local_irq_save(void)
{
unsigned long flags, tmp;
WRITE_PAUSE
wr %l4, PSR_ET, %psr
WRITE_PAUSE
- sll %o3, 28, %o2 ! shift for simpler checks below
+ srl %o3, 28, %o2 ! shift for simpler checks below
maybe_smp4m_msg_check_single:
andcc %o2, 0x1, %g0
beq,a maybe_smp4m_msg_check_mask
* Leon2 and Leon3 differ in their way of telling cache information
*
*/
-int leon_flush_needed(void)
+int __init leon_flush_needed(void)
{
int flush_needed = -1;
unsigned int ssize, sets;
{
struct platform_device *ghes_dev;
struct ghes_arr *ghes_arr = data;
- int rc;
+ int rc, i;
if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
return 0;
if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
return 0;
+ for (i = 0; i < ghes_arr->count; i++) {
+ struct acpi_hest_header *hdr;
+ ghes_dev = ghes_arr->ghes_devs[i];
+ hdr = *(struct acpi_hest_header **)ghes_dev->dev.platform_data;
+ if (hdr->source_id == hest_hdr->source_id) {
+ pr_warning(FW_WARN HEST_PFX "Duplicated hardware error source ID: %d.\n",
+ hdr->source_id);
+ return -EIO;
+ }
+ }
ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id);
if (!ghes_dev)
return -ENOMEM;
}
EXPORT_SYMBOL(acpi_resources_are_enforced);
-/*
- * Create and initialize a spinlock.
- */
-acpi_status
-acpi_os_create_lock(acpi_spinlock *out_handle)
-{
- spinlock_t *lock;
-
- lock = ACPI_ALLOCATE(sizeof(spinlock_t));
- if (!lock)
- return AE_NO_MEMORY;
- spin_lock_init(lock);
- *out_handle = lock;
-
- return AE_OK;
-}
-
/*
* Deallocate the memory for a spinlock.
*/
break;
case WM831X_GPIO_PULL_UP:
pull = "pullup";
+ break;
default:
pull = "INVALID PULL";
break;
info->direct[PSC_VOLTAGE_IN] = true;
info->direct[PSC_VOLTAGE_OUT] = true;
info->direct[PSC_CURRENT_OUT] = true;
- info->m[PSC_CURRENT_OUT] = 800;
+ info->m[PSC_CURRENT_OUT] = 807;
info->b[PSC_CURRENT_OUT] = 20475;
info->R[PSC_CURRENT_OUT] = -1;
info->func[0] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT;
if (config & ADM1275_VRANGE) {
- info->m[PSC_VOLTAGE_IN] = 19045;
+ info->m[PSC_VOLTAGE_IN] = 19199;
info->b[PSC_VOLTAGE_IN] = 0;
info->R[PSC_VOLTAGE_IN] = -2;
- info->m[PSC_VOLTAGE_OUT] = 19045;
+ info->m[PSC_VOLTAGE_OUT] = 19199;
info->b[PSC_VOLTAGE_OUT] = 0;
info->R[PSC_VOLTAGE_OUT] = -2;
} else {
- info->m[PSC_VOLTAGE_IN] = 6666;
+ info->m[PSC_VOLTAGE_IN] = 6720;
info->b[PSC_VOLTAGE_IN] = 0;
info->R[PSC_VOLTAGE_IN] = -1;
- info->m[PSC_VOLTAGE_OUT] = 6666;
+ info->m[PSC_VOLTAGE_OUT] = 6720;
info->b[PSC_VOLTAGE_OUT] = 0;
info->R[PSC_VOLTAGE_OUT] = -1;
}
* Convert linear sensor values to milli- or micro-units
* depending on sensor type.
*/
-static int pmbus_reg2data_linear(struct pmbus_data *data,
- struct pmbus_sensor *sensor)
+static long pmbus_reg2data_linear(struct pmbus_data *data,
+ struct pmbus_sensor *sensor)
{
s16 exponent;
s32 mantissa;
else
val >>= -exponent;
- return (int)val;
+ return val;
}
/*
* Convert direct sensor values to milli- or micro-units
* depending on sensor type.
*/
-static int pmbus_reg2data_direct(struct pmbus_data *data,
- struct pmbus_sensor *sensor)
+static long pmbus_reg2data_direct(struct pmbus_data *data,
+ struct pmbus_sensor *sensor)
{
long val = (s16) sensor->data;
long m, b, R;
R++;
}
- return (int)((val - b) / m);
+ return (val - b) / m;
}
-static int pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor)
+static long pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor)
{
- int val;
+ long val;
if (data->info->direct[sensor->class])
val = pmbus_reg2data_direct(data, sensor);
if (!s1 && !s2)
*val = !!regval;
else {
- int v1, v2;
+ long v1, v2;
struct pmbus_sensor *sensor1, *sensor2;
sensor1 = &data->sensors[s1];
if (sensor->data < 0)
return sensor->data;
- return snprintf(buf, PAGE_SIZE, "%d\n", pmbus_reg2data(data, sensor));
+ return snprintf(buf, PAGE_SIZE, "%ld\n", pmbus_reg2data(data, sensor));
}
static ssize_t pmbus_set_sensor(struct device *dev,
if (dvbdev->users == -1 && fe->ops.ts_bus_ctrl) {
if ((ret = fe->ops.ts_bus_ctrl(fe, 1)) < 0)
goto err0;
+
+ /* If we took control of the bus, we need to force
+ reinitialization. This is because many ts_bus_ctrl()
+ functions strobe the RESET pin on the demod, and if the
+ frontend thread already exists then the dvb_init() routine
+ won't get called (which is what usually does initial
+ register configuration). */
+ fepriv->reinitialise = 1;
}
if ((ret = dvb_generic_open (inode, file)) < 0)
config RADIO_MIROPCM20
tristate "miroSOUND PCM20 radio"
- depends on ISA && VIDEO_V4L2 && SND
+ depends on ISA && ISA_DMA_API && VIDEO_V4L2 && SND
select SND_ISA
select SND_MIRO
---help---
config RADIO_SF16FMR2
tristate "SF16FMR2 Radio"
- depends on ISA && VIDEO_V4L2
+ depends on ISA && VIDEO_V4L2 && SND
---help---
Choose Y here if you have one of these FM radio cards.
inout, data1);
break;
case MCE_CMD_S_TIMEOUT:
- /* value is in units of 50us, so x*50/100 or x/2 ms */
+ /* value is in units of 50us, so x*50/1000 ms */
dev_info(dev, "%s receive timeout of %d ms\n",
- inout, ((data1 << 8) | data2) / 2);
+ inout,
+ ((data1 << 8) | data2) * MCE_TIME_UNIT / 1000);
break;
case MCE_CMD_G_TIMEOUT:
dev_info(dev, "Get receive timeout\n");
switch (ir->buf_in[index]) {
/* 2-byte return value commands */
case MCE_CMD_S_TIMEOUT:
- ir->rc->timeout = US_TO_NS((hi << 8 | lo) / 2);
+ ir->rc->timeout = US_TO_NS((hi << 8 | lo) * MCE_TIME_UNIT);
break;
/* 1-byte return value commands */
rc->priv = ir;
rc->driver_type = RC_DRIVER_IR_RAW;
rc->allowed_protos = RC_TYPE_ALL;
- rc->timeout = US_TO_NS(1000);
+ rc->timeout = MS_TO_NS(100);
if (!ir->flags.no_tx) {
rc->s_tx_mask = mceusb_set_tx_mask;
rc->s_tx_carrier = mceusb_set_tx_carrier;
rdev->dev.parent = &pdev->dev;
rdev->driver_name = NVT_DRIVER_NAME;
rdev->map_name = RC_MAP_RC6_MCE;
- rdev->timeout = US_TO_NS(1000);
+ rdev->timeout = MS_TO_NS(100);
/* rx resolution is hardwired to 50us atm, 1, 25, 100 also possible */
rdev->rx_resolution = US_TO_NS(CIR_SAMPLE_PERIOD);
#if 0
goto fail_irq;
}
- if (!pci_enable_msi(pci_dev))
- err = request_irq(pci_dev->irq, cx23885_irq,
- IRQF_DISABLED, dev->name, dev);
- else
- err = request_irq(pci_dev->irq, cx23885_irq,
- IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
+ err = request_irq(pci_dev->irq, cx23885_irq,
+ IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
if (err < 0) {
printk(KERN_ERR "%s: can't get IRQ %d\n",
dev->name, pci_dev->irq);
/* unregister stuff */
free_irq(pci_dev->irq, dev);
- pci_disable_msi(pci_dev);
cx23885_dev_unregister(dev);
v4l2_device_unregister(v4l2_dev);
* returns 0.
* This function is needed for boards that have a separate tuner for
* radio (like devices with tea5767).
+ * NOTE: mt20xx uses V4L2_TUNER_DIGITAL_TV and calls set_tv_freq to
+ * select a TV frequency. So, t_mode = T_ANALOG_TV could actually
+ * be used to represent a Digital TV too.
*/
static inline int check_mode(struct tuner *t, enum v4l2_tuner_type mode)
{
- if ((1 << mode & t->mode_mask) == 0)
+ int t_mode;
+ if (mode == V4L2_TUNER_RADIO)
+ t_mode = T_RADIO;
+ else
+ t_mode = T_ANALOG_TV;
+
+ if ((t_mode & t->mode_mask) == 0)
return -EINVAL;
return 0;
case V4L2_TUNER_RADIO:
p = "radio";
break;
- case V4L2_TUNER_DIGITAL_TV:
+ case V4L2_TUNER_DIGITAL_TV: /* Used by mt20xx */
p = "digital TV";
break;
case V4L2_TUNER_ANALOG_TV:
return 0;
if (vt->type == t->mode && analog_ops->get_afc)
vt->afc = analog_ops->get_afc(&t->fe);
- if (vt->type == V4L2_TUNER_ANALOG_TV)
+ if (t->mode != V4L2_TUNER_RADIO) {
vt->capability |= V4L2_TUNER_CAP_NORM;
- if (vt->type != V4L2_TUNER_RADIO) {
vt->rangelow = tv_range[0] * 16;
vt->rangehigh = tv_range[1] * 16;
return 0;
config HP_WATCHDOG
tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
- depends on X86
- default m
+ depends on X86 && PCI
help
A software monitoring watchdog and NMI sourcing driver. This driver
will detect lockups and provide a stack trace. This is a driver that
* The hash value has to match the hash queue that the dentry is on..
*/
/*
- * d_move - move a dentry
+ * __d_move - move a dentry
* @dentry: entry to move
* @target: new dentry
*
* Update the dcache to reflect the move of a file name. Negative
- * dcache entries should not be moved in this way.
+ * dcache entries should not be moved in this way. Caller hold
+ * rename_lock.
*/
-void d_move(struct dentry * dentry, struct dentry * target)
+static void __d_move(struct dentry * dentry, struct dentry * target)
{
if (!dentry->d_inode)
printk(KERN_WARNING "VFS: moving negative dcache entry\n");
BUG_ON(d_ancestor(dentry, target));
BUG_ON(d_ancestor(target, dentry));
- write_seqlock(&rename_lock);
-
dentry_lock_for_move(dentry, target);
write_seqcount_begin(&dentry->d_seq);
spin_unlock(&target->d_lock);
fsnotify_d_move(dentry);
spin_unlock(&dentry->d_lock);
+}
+
+/*
+ * d_move - move a dentry
+ * @dentry: entry to move
+ * @target: new dentry
+ *
+ * Update the dcache to reflect the move of a file name. Negative
+ * dcache entries should not be moved in this way.
+ */
+void d_move(struct dentry *dentry, struct dentry *target)
+{
+ write_seqlock(&rename_lock);
+ __d_move(dentry, target);
write_sequnlock(&rename_lock);
}
EXPORT_SYMBOL(d_move);
* This helper attempts to cope with remotely renamed directories
*
* It assumes that the caller is already holding
- * dentry->d_parent->d_inode->i_mutex and the inode->i_lock
+ * dentry->d_parent->d_inode->i_mutex, inode->i_lock and rename_lock
*
* Note: If ever the locking in lock_rename() changes, then please
* remember to update this too...
if (alias->d_parent == dentry->d_parent)
goto out_unalias;
- /* Check for loops */
- ret = ERR_PTR(-ELOOP);
- if (d_ancestor(alias, dentry))
- goto out_err;
-
/* See lock_rename() */
ret = ERR_PTR(-EBUSY);
if (!mutex_trylock(&dentry->d_sb->s_vfs_rename_mutex))
goto out_err;
m2 = &alias->d_parent->d_inode->i_mutex;
out_unalias:
- d_move(alias, dentry);
+ __d_move(alias, dentry);
ret = alias;
out_err:
spin_unlock(&inode->i_lock);
alias = __d_find_alias(inode, 0);
if (alias) {
actual = alias;
- /* Is this an anonymous mountpoint that we could splice
- * into our tree? */
- if (IS_ROOT(alias)) {
+ write_seqlock(&rename_lock);
+
+ if (d_ancestor(alias, dentry)) {
+ /* Check for loops */
+ actual = ERR_PTR(-ELOOP);
+ } else if (IS_ROOT(alias)) {
+ /* Is this an anonymous mountpoint that we
+ * could splice into our tree? */
__d_materialise_dentry(dentry, alias);
+ write_sequnlock(&rename_lock);
__d_drop(alias);
goto found;
+ } else {
+ /* Nope, but we must(!) avoid directory
+ * aliasing */
+ actual = __d_unalias(inode, dentry, alias);
}
- /* Nope, but we must(!) avoid directory aliasing */
- actual = __d_unalias(inode, dentry, alias);
+ write_sequnlock(&rename_lock);
if (IS_ERR(actual))
dput(alias);
goto out_nolock;
return 0;
gfs2_log_lock(sdp);
+ spin_lock(&sdp->sd_ail_lock);
head = bh = page_buffers(page);
do {
if (atomic_read(&bh->b_count))
goto not_possible;
bh = bh->b_this_page;
} while(bh != head);
+ spin_unlock(&sdp->sd_ail_lock);
gfs2_log_unlock(sdp);
head = bh = page_buffers(page);
WARN_ON(buffer_dirty(bh));
WARN_ON(buffer_pinned(bh));
cannot_release:
+ spin_unlock(&sdp->sd_ail_lock);
gfs2_log_unlock(sdp);
return 0;
}
bd_ail_gl_list);
bh = bd->bd_bh;
gfs2_remove_from_ail(bd);
- spin_unlock(&sdp->sd_ail_lock);
-
bd->bd_bh = NULL;
bh->b_private = NULL;
+ spin_unlock(&sdp->sd_ail_lock);
+
bd->bd_blkno = bh->b_blocknr;
gfs2_log_lock(sdp);
gfs2_assert_withdraw(sdp, !buffer_busy(bh));
}
}
- if (ip == GFS2_I(gl->gl_sbd->sd_rindex))
+ if (ip == GFS2_I(gl->gl_sbd->sd_rindex)) {
+ gfs2_log_flush(gl->gl_sbd, NULL);
gl->gl_sbd->sd_rindex_uptodate = 0;
+ }
if (ip && S_ISREG(ip->i_inode.i_mode))
truncate_inode_pages(ip->i_inode.i_mapping, 0);
}
#include <linux/buffer_head.h>
#include <linux/rcupdate.h>
#include <linux/rculist_bl.h>
+#include <linux/completion.h>
#define DIO_WAIT 0x00000010
#define DIO_METADATA 0x00000020
struct gfs2_glock *sd_trans_gl;
wait_queue_head_t sd_glock_wait;
atomic_t sd_glock_disposal;
+ struct completion sd_locking_init;
/* Inode Stuff */
if (gfs2_ail1_empty(sdp))
break;
}
+ gfs2_log_flush(sdp, NULL);
}
static inline int gfs2_jrnl_flush_reqd(struct gfs2_sbd *sdp)
init_waitqueue_head(&sdp->sd_glock_wait);
atomic_set(&sdp->sd_glock_disposal, 0);
+ init_completion(&sdp->sd_locking_init);
spin_lock_init(&sdp->sd_statfs_spin);
spin_lock_init(&sdp->sd_rindex_spin);
fsname++;
if (lm->lm_mount == NULL) {
fs_info(sdp, "Now mounting FS...\n");
+ complete(&sdp->sd_locking_init);
return 0;
}
ret = lm->lm_mount(sdp, fsname);
if (ret == 0)
fs_info(sdp, "Joined cluster. Now mounting FS...\n");
+ complete(&sdp->sd_locking_init);
return ret;
}
struct timespec atime;
struct gfs2_dinode *di;
int ret = -EAGAIN;
+ int unlock_required = 0;
/* Skip timestamp update, if this is from a memalloc */
if (current->flags & PF_MEMALLOC)
goto do_flush;
- ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
- if (ret)
- goto do_flush;
+ if (!gfs2_glock_is_locked_by_me(ip->i_gl)) {
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ if (ret)
+ goto do_flush;
+ unlock_required = 1;
+ }
ret = gfs2_trans_begin(sdp, RES_DINODE, 0);
if (ret)
goto do_unlock;
}
gfs2_trans_end(sdp);
do_unlock:
- gfs2_glock_dq_uninit(&gh);
+ if (unlock_required)
+ gfs2_glock_dq_uninit(&gh);
do_flush:
if (wbc->sync_mode == WB_SYNC_ALL)
gfs2_log_flush(GFS2_SB(inode), ip->i_gl);
return error;
}
-/*
+/**
+ * gfs2_evict_inode - Remove an inode from cache
+ * @inode: The inode to evict
+ *
+ * There are three cases to consider:
+ * 1. i_nlink == 0, we are final opener (and must deallocate)
+ * 2. i_nlink == 0, we are not the final opener (and cannot deallocate)
+ * 3. i_nlink > 0
+ *
+ * If the fs is read only, then we have to treat all cases as per #3
+ * since we are unable to do any deallocation. The inode will be
+ * deallocated by the next read/write node to attempt an allocation
+ * in the same resource group
+ *
* We have to (at the moment) hold the inodes main lock to cover
* the gap between unlocking the shared lock on the iopen lock and
* taking the exclusive lock. I'd rather do a shared -> exclusive
if (error)
goto out_truncate;
+ /* Case 1 starts here */
+
if (S_ISDIR(inode->i_mode) &&
(ip->i_diskflags & GFS2_DIF_EXHASH)) {
error = gfs2_dir_exhash_dealloc(ip);
goto out_unlock;
out_truncate:
+ /* Case 2 starts here */
error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
if (error)
goto out_unlock;
- gfs2_final_release_pages(ip);
+ /* Needs to be done before glock release & also in a transaction */
+ truncate_inode_pages(&inode->i_data, 0);
gfs2_trans_end(sdp);
out_unlock:
+ /* Error path for case 1 */
if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags))
gfs2_glock_dq(&ip->i_iopen_gh);
gfs2_holder_uninit(&ip->i_iopen_gh);
if (error && error != GLR_TRYFAILED && error != -EROFS)
fs_warn(sdp, "gfs2_evict_inode: %d\n", error);
out:
+ /* Case 3 starts here */
truncate_inode_pages(&inode->i_data, 0);
end_writeback(inode);
rv = sscanf(buf, "%u", &first);
if (rv != 1 || first > 1)
return -EINVAL;
+ rv = wait_for_completion_killable(&sdp->sd_locking_init);
+ if (rv)
+ return rv;
spin_lock(&sdp->sd_jindex_spin);
rv = -EBUSY;
if (test_bit(SDF_NOJOURNALID, &sdp->sd_flags) == 0)
rv = sscanf(buf, "%d", &jid);
if (rv != 1)
return -EINVAL;
-
+ rv = wait_for_completion_killable(&sdp->sd_locking_init);
+ if (rv)
+ return rv;
spin_lock(&sdp->sd_jindex_spin);
rv = -EINVAL;
if (sdp->sd_lockstruct.ls_ops->lm_mount == NULL)
goto err_parent;
BUG_ON(nd->inode != parent->d_inode);
} else {
+ if (dentry->d_parent != parent)
+ goto err_parent;
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
if (!__d_rcu_to_refcount(dentry, nd->seq))
goto err_child;
struct acpi_device_power {
int state; /* Current state */
struct acpi_device_power_flags flags;
- struct acpi_device_power_state states[4]; /* Power states (D0-D3) */
+ struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */
};
/* Performance Management */
/*
* Spinlock primitives
*/
+
+#ifndef acpi_os_create_lock
acpi_status
acpi_os_create_lock(acpi_spinlock *out_handle);
+#endif
void acpi_os_delete_lock(acpi_spinlock handle);
} while (0)
#endif
+/*
+ * When lockdep is enabled, the spin_lock_init() macro stringifies it's
+ * argument and uses that as a name for the lock in debugging.
+ * By executing spin_lock_init() in a macro the key changes from "lock" for
+ * all locks to the name of the argument of acpi_os_create_lock(), which
+ * prevents lockdep from reporting false positives for ACPICA locks.
+ */
+#define acpi_os_create_lock(__handle) \
+({ \
+ spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
+ \
+ if (lock) { \
+ *(__handle) = lock; \
+ spin_lock_init(*(__handle)); \
+ } \
+ lock ? AE_OK : AE_NO_MEMORY; \
+})
+
#endif /* __KERNEL__ */
#endif /* __ACLINUX_H__ */
{0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6759, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x675F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6760, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6761, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6762, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6880, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6888, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \
static struct rcu_state *rcu_state;
+/*
+ * The rcu_scheduler_active variable transitions from zero to one just
+ * before the first task is spawned. So when this variable is zero, RCU
+ * can assume that there is but one task, allowing RCU to (for example)
+ * optimized synchronize_sched() to a simple barrier(). When this variable
+ * is one, RCU must actually do all the hard work required to detect real
+ * grace periods. This variable is also used to suppress boot-time false
+ * positives from lockdep-RCU error checking.
+ */
int rcu_scheduler_active __read_mostly;
EXPORT_SYMBOL_GPL(rcu_scheduler_active);
+/*
+ * The rcu_scheduler_fully_active variable transitions from zero to one
+ * during the early_initcall() processing, which is after the scheduler
+ * is capable of creating new tasks. So RCU processing (for example,
+ * creating tasks for RCU priority boosting) must be delayed until after
+ * rcu_scheduler_fully_active transitions from zero to one. We also
+ * currently delay invocation of any RCU callbacks until after this point.
+ *
+ * It might later prove better for people registering RCU callbacks during
+ * early boot to take responsibility for these callbacks, but one step at
+ * a time.
+ */
+static int rcu_scheduler_fully_active __read_mostly;
+
#ifdef CONFIG_RCU_BOOST
/*
DEFINE_PER_CPU(int, rcu_cpu_kthread_cpu);
DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_loops);
DEFINE_PER_CPU(char, rcu_cpu_has_work);
-static char rcu_kthreads_spawnable;
#endif /* #ifdef CONFIG_RCU_BOOST */
*/
static void invoke_rcu_callbacks(struct rcu_state *rsp, struct rcu_data *rdp)
{
+ if (unlikely(!ACCESS_ONCE(rcu_scheduler_fully_active)))
+ return;
if (likely(!rsp->boost)) {
rcu_do_batch(rsp, rdp);
return;
struct sched_param sp;
struct task_struct *t;
- if (!rcu_kthreads_spawnable ||
+ if (!rcu_scheduler_fully_active ||
per_cpu(rcu_cpu_kthread_task, cpu) != NULL)
return 0;
t = kthread_create(rcu_cpu_kthread, (void *)(long)cpu, "rcuc%d", cpu);
struct sched_param sp;
struct task_struct *t;
- if (!rcu_kthreads_spawnable ||
+ if (!rcu_scheduler_fully_active ||
rnp->qsmaskinit == 0)
return 0;
if (rnp->node_kthread_task == NULL) {
int cpu;
struct rcu_node *rnp;
- rcu_kthreads_spawnable = 1;
+ rcu_scheduler_fully_active = 1;
for_each_possible_cpu(cpu) {
per_cpu(rcu_cpu_has_work, cpu) = 0;
if (cpu_online(cpu))
struct rcu_node *rnp = rdp->mynode;
/* Fire up the incoming CPU's kthread and leaf rcu_node kthread. */
- if (rcu_kthreads_spawnable) {
+ if (rcu_scheduler_fully_active) {
(void)rcu_spawn_one_cpu_kthread(cpu);
if (rnp->node_kthread_task == NULL)
(void)rcu_spawn_one_node_kthread(rcu_state, rnp);
{
}
+static int __init rcu_scheduler_really_started(void)
+{
+ rcu_scheduler_fully_active = 1;
+ return 0;
+}
+early_initcall(rcu_scheduler_really_started);
+
static void __cpuinit rcu_prepare_kthreads(int cpu)
{
}
#endif
#endif
cfs_rq->min_vruntime = (u64)(-(1LL << 20));
+#ifndef CONFIG_64BIT
+ cfs_rq->min_vruntime_copy = cfs_rq->min_vruntime;
+#endif
}
static void init_rt_rq(struct rt_rq *rt_rq, struct rq *rq)
git.openpandora.org / pandora-kernel.git / commitdiff