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-rw-r--r--drivers/block/DAC960.c38
-rw-r--r--drivers/block/DAC960.h18
-rw-r--r--drivers/block/acsi.c4
-rw-r--r--drivers/block/acsi_slm.c4
-rw-r--r--drivers/block/amiflop.c17
-rw-r--r--drivers/block/aoe/aoe.h30
-rw-r--r--drivers/block/aoe/aoeblk.c44
-rw-r--r--drivers/block/aoe/aoechr.c18
-rw-r--r--drivers/block/aoe/aoecmd.c303
-rw-r--r--drivers/block/aoe/aoedev.c52
-rw-r--r--drivers/block/aoe/aoemain.c10
-rw-r--r--drivers/block/aoe/aoenet.c9
-rw-r--r--drivers/block/ataflop.c4
-rw-r--r--drivers/block/cciss.c6
-rw-r--r--drivers/block/cpqarray.c4
-rw-r--r--drivers/block/floppy.c4
-rw-r--r--drivers/block/loop.c8
-rw-r--r--drivers/block/ps2esdi.c6
-rw-r--r--drivers/block/rd.c12
-rw-r--r--drivers/block/swim3.c8
-rw-r--r--drivers/block/swim_iop.c4
-rw-r--r--drivers/block/sx8.c2
-rw-r--r--drivers/block/ub.c6
-rw-r--r--drivers/block/umem.c2
-rw-r--r--drivers/block/xd.c5
-rw-r--r--drivers/block/xd.h3
-rw-r--r--drivers/block/z2ram.c28
27 files changed, 363 insertions, 286 deletions
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index b3f639fbf22..742d0740310 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -2698,8 +2698,7 @@ DAC960_DetectController(struct pci_dev *PCI_Device,
{
struct DAC960_privdata *privdata =
(struct DAC960_privdata *)entry->driver_data;
- irqreturn_t (*InterruptHandler)(int, void *, struct pt_regs *) =
- privdata->InterruptHandler;
+ irq_handler_t InterruptHandler = privdata->InterruptHandler;
unsigned int MemoryWindowSize = privdata->MemoryWindowSize;
DAC960_Controller_T *Controller = NULL;
unsigned char DeviceFunction = PCI_Device->devfn;
@@ -5253,10 +5252,9 @@ static void DAC960_V2_ProcessCompletedCommand(DAC960_Command_T *Command)
*/
static irqreturn_t DAC960_GEM_InterruptHandler(int IRQ_Channel,
- void *DeviceIdentifier,
- struct pt_regs *InterruptRegisters)
+ void *DeviceIdentifier)
{
- DAC960_Controller_T *Controller = (DAC960_Controller_T *) DeviceIdentifier;
+ DAC960_Controller_T *Controller = DeviceIdentifier;
void __iomem *ControllerBaseAddress = Controller->BaseAddress;
DAC960_V2_StatusMailbox_T *NextStatusMailbox;
unsigned long flags;
@@ -5295,10 +5293,9 @@ static irqreturn_t DAC960_GEM_InterruptHandler(int IRQ_Channel,
*/
static irqreturn_t DAC960_BA_InterruptHandler(int IRQ_Channel,
- void *DeviceIdentifier,
- struct pt_regs *InterruptRegisters)
+ void *DeviceIdentifier)
{
- DAC960_Controller_T *Controller = (DAC960_Controller_T *) DeviceIdentifier;
+ DAC960_Controller_T *Controller = DeviceIdentifier;
void __iomem *ControllerBaseAddress = Controller->BaseAddress;
DAC960_V2_StatusMailbox_T *NextStatusMailbox;
unsigned long flags;
@@ -5338,10 +5335,9 @@ static irqreturn_t DAC960_BA_InterruptHandler(int IRQ_Channel,
*/
static irqreturn_t DAC960_LP_InterruptHandler(int IRQ_Channel,
- void *DeviceIdentifier,
- struct pt_regs *InterruptRegisters)
+ void *DeviceIdentifier)
{
- DAC960_Controller_T *Controller = (DAC960_Controller_T *) DeviceIdentifier;
+ DAC960_Controller_T *Controller = DeviceIdentifier;
void __iomem *ControllerBaseAddress = Controller->BaseAddress;
DAC960_V2_StatusMailbox_T *NextStatusMailbox;
unsigned long flags;
@@ -5381,10 +5377,9 @@ static irqreturn_t DAC960_LP_InterruptHandler(int IRQ_Channel,
*/
static irqreturn_t DAC960_LA_InterruptHandler(int IRQ_Channel,
- void *DeviceIdentifier,
- struct pt_regs *InterruptRegisters)
+ void *DeviceIdentifier)
{
- DAC960_Controller_T *Controller = (DAC960_Controller_T *) DeviceIdentifier;
+ DAC960_Controller_T *Controller = DeviceIdentifier;
void __iomem *ControllerBaseAddress = Controller->BaseAddress;
DAC960_V1_StatusMailbox_T *NextStatusMailbox;
unsigned long flags;
@@ -5420,10 +5415,9 @@ static irqreturn_t DAC960_LA_InterruptHandler(int IRQ_Channel,
*/
static irqreturn_t DAC960_PG_InterruptHandler(int IRQ_Channel,
- void *DeviceIdentifier,
- struct pt_regs *InterruptRegisters)
+ void *DeviceIdentifier)
{
- DAC960_Controller_T *Controller = (DAC960_Controller_T *) DeviceIdentifier;
+ DAC960_Controller_T *Controller = DeviceIdentifier;
void __iomem *ControllerBaseAddress = Controller->BaseAddress;
DAC960_V1_StatusMailbox_T *NextStatusMailbox;
unsigned long flags;
@@ -5459,10 +5453,9 @@ static irqreturn_t DAC960_PG_InterruptHandler(int IRQ_Channel,
*/
static irqreturn_t DAC960_PD_InterruptHandler(int IRQ_Channel,
- void *DeviceIdentifier,
- struct pt_regs *InterruptRegisters)
+ void *DeviceIdentifier)
{
- DAC960_Controller_T *Controller = (DAC960_Controller_T *) DeviceIdentifier;
+ DAC960_Controller_T *Controller = DeviceIdentifier;
void __iomem *ControllerBaseAddress = Controller->BaseAddress;
unsigned long flags;
@@ -5498,10 +5491,9 @@ static irqreturn_t DAC960_PD_InterruptHandler(int IRQ_Channel,
*/
static irqreturn_t DAC960_P_InterruptHandler(int IRQ_Channel,
- void *DeviceIdentifier,
- struct pt_regs *InterruptRegisters)
+ void *DeviceIdentifier)
{
- DAC960_Controller_T *Controller = (DAC960_Controller_T *) DeviceIdentifier;
+ DAC960_Controller_T *Controller = DeviceIdentifier;
void __iomem *ControllerBaseAddress = Controller->BaseAddress;
unsigned long flags;
diff --git a/drivers/block/DAC960.h b/drivers/block/DAC960.h
index f9217c34bc2..6148073532b 100644
--- a/drivers/block/DAC960.h
+++ b/drivers/block/DAC960.h
@@ -2175,7 +2175,7 @@ static char
struct DAC960_privdata {
DAC960_HardwareType_T HardwareType;
DAC960_FirmwareType_T FirmwareType;
- irqreturn_t (*InterruptHandler)(int, void *, struct pt_regs *);
+ irq_handler_t InterruptHandler;
unsigned int MemoryWindowSize;
};
@@ -4379,8 +4379,8 @@ static inline void DAC960_P_To_PD_TranslateEnquiry(void *Enquiry)
static inline void DAC960_P_To_PD_TranslateDeviceState(void *DeviceState)
{
memcpy(DeviceState + 2, DeviceState + 3, 1);
- memcpy(DeviceState + 4, DeviceState + 5, 2);
- memcpy(DeviceState + 6, DeviceState + 8, 4);
+ memmove(DeviceState + 4, DeviceState + 5, 2);
+ memmove(DeviceState + 6, DeviceState + 8, 4);
}
static inline
@@ -4412,12 +4412,12 @@ static void DAC960_FinalizeController(DAC960_Controller_T *);
static void DAC960_V1_QueueReadWriteCommand(DAC960_Command_T *);
static void DAC960_V2_QueueReadWriteCommand(DAC960_Command_T *);
static void DAC960_RequestFunction(struct request_queue *);
-static irqreturn_t DAC960_BA_InterruptHandler(int, void *, struct pt_regs *);
-static irqreturn_t DAC960_LP_InterruptHandler(int, void *, struct pt_regs *);
-static irqreturn_t DAC960_LA_InterruptHandler(int, void *, struct pt_regs *);
-static irqreturn_t DAC960_PG_InterruptHandler(int, void *, struct pt_regs *);
-static irqreturn_t DAC960_PD_InterruptHandler(int, void *, struct pt_regs *);
-static irqreturn_t DAC960_P_InterruptHandler(int, void *, struct pt_regs *);
+static irqreturn_t DAC960_BA_InterruptHandler(int, void *);
+static irqreturn_t DAC960_LP_InterruptHandler(int, void *);
+static irqreturn_t DAC960_LA_InterruptHandler(int, void *);
+static irqreturn_t DAC960_PG_InterruptHandler(int, void *);
+static irqreturn_t DAC960_PD_InterruptHandler(int, void *);
+static irqreturn_t DAC960_P_InterruptHandler(int, void *);
static void DAC960_V1_QueueMonitoringCommand(DAC960_Command_T *);
static void DAC960_V2_QueueMonitoringCommand(DAC960_Command_T *);
static void DAC960_MonitoringTimerFunction(unsigned long);
diff --git a/drivers/block/acsi.c b/drivers/block/acsi.c
index 0b80fbb8dbf..706cdc6a69e 100644
--- a/drivers/block/acsi.c
+++ b/drivers/block/acsi.c
@@ -346,7 +346,7 @@ static int acsicmd_dma( const char *cmd, char *buffer, int blocks, int
rwflag, int enable);
static int acsi_reqsense( char *buffer, int targ, int lun);
static void acsi_print_error(const unsigned char *errblk, struct acsi_info_struct *aip);
-static irqreturn_t acsi_interrupt (int irq, void *data, struct pt_regs *fp);
+static irqreturn_t acsi_interrupt (int irq, void *data);
static void unexpected_acsi_interrupt( void );
static void bad_rw_intr( void );
static void read_intr( void );
@@ -726,7 +726,7 @@ static void acsi_print_error(const unsigned char *errblk, struct acsi_info_struc
*
*******************************************************************/
-static irqreturn_t acsi_interrupt(int irq, void *data, struct pt_regs *fp )
+static irqreturn_t acsi_interrupt(int irq, void *data )
{ void (*acsi_irq_handler)(void) = do_acsi;
diff --git a/drivers/block/acsi_slm.c b/drivers/block/acsi_slm.c
index 4030a8fd118..8e41c87b026 100644
--- a/drivers/block/acsi_slm.c
+++ b/drivers/block/acsi_slm.c
@@ -246,7 +246,7 @@ static int slm_getstats( char *buffer, int device );
static ssize_t slm_read( struct file* file, char *buf, size_t count, loff_t
*ppos );
static void start_print( int device );
-static irqreturn_t slm_interrupt(int irc, void *data, struct pt_regs *fp);
+static irqreturn_t slm_interrupt(int irc, void *data);
static void slm_test_ready( unsigned long dummy );
static void set_dma_addr( unsigned long paddr );
static unsigned long get_dma_addr( void );
@@ -452,7 +452,7 @@ static void start_print( int device )
/* Only called when an error happened or at the end of a page */
-static irqreturn_t slm_interrupt(int irc, void *data, struct pt_regs *fp)
+static irqreturn_t slm_interrupt(int irc, void *data)
{ unsigned long addr;
int stat;
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 2641597c654..5d656217153 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -209,7 +209,7 @@ static int fd_device[4] = { 0, 0, 0, 0 };
/* Milliseconds timer */
-static irqreturn_t ms_isr(int irq, void *dummy, struct pt_regs *fp)
+static irqreturn_t ms_isr(int irq, void *dummy)
{
ms_busy = -1;
wake_up(&ms_wait);
@@ -560,7 +560,7 @@ static unsigned long fd_get_drive_id(int drive)
return (id);
}
-static irqreturn_t fd_block_done(int irq, void *dummy, struct pt_regs *fp)
+static irqreturn_t fd_block_done(int irq, void *dummy)
{
if (block_flag)
custom.dsklen = 0x4000;
@@ -1709,10 +1709,13 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
return get_disk(unit[drive].gendisk);
}
-int __init amiga_floppy_init(void)
+static int __init amiga_floppy_init(void)
{
int i, ret;
+ if (!MACH_IS_AMIGA)
+ return -ENXIO;
+
if (!AMIGAHW_PRESENT(AMI_FLOPPY))
return -ENXIO;
@@ -1809,15 +1812,9 @@ out_blkdev:
return ret;
}
+module_init(amiga_floppy_init);
#ifdef MODULE
-int init_module(void)
-{
- if (!MACH_IS_AMIGA)
- return -ENXIO;
- return amiga_floppy_init();
-}
-
#if 0 /* not safe to unload */
void cleanup_module(void)
{
diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
index 6eebcb7be97..6d111228cfa 100644
--- a/drivers/block/aoe/aoe.h
+++ b/drivers/block/aoe/aoe.h
@@ -1,5 +1,5 @@
-/* Copyright (c) 2004 Coraid, Inc. See COPYING for GPL terms. */
-#define VERSION "22"
+/* Copyright (c) 2006 Coraid, Inc. See COPYING for GPL terms. */
+#define VERSION "32"
#define AOE_MAJOR 152
#define DEVICE_NAME "aoe"
@@ -65,7 +65,7 @@ struct aoe_atahdr {
struct aoe_cfghdr {
__be16 bufcnt;
__be16 fwver;
- unsigned char res;
+ unsigned char scnt;
unsigned char aoeccmd;
unsigned char cslen[2];
};
@@ -78,12 +78,14 @@ enum {
DEVFL_GDALLOC = (1<<4), /* need to alloc gendisk */
DEVFL_PAUSE = (1<<5),
DEVFL_NEWSIZE = (1<<6), /* need to update dev size in block layer */
+ DEVFL_MAXBCNT = (1<<7), /* d->maxbcnt is not changeable */
+ DEVFL_KICKME = (1<<8),
BUFFL_FAIL = 1,
};
enum {
- MAXATADATA = 1024,
+ DEFAULTBCNT = 2 * 512, /* 2 sectors */
NPERSHELF = 16, /* number of slots per shelf address */
FREETAG = -1,
MIN_BUFS = 8,
@@ -107,11 +109,9 @@ struct frame {
ulong waited;
struct buf *buf;
char *bufaddr;
- int writedatalen;
- int ndata;
-
- /* largest possible */
- unsigned char data[sizeof(struct aoe_hdr) + sizeof(struct aoe_atahdr)];
+ ulong bcnt;
+ sector_t lba;
+ struct sk_buff *skb;
};
struct aoedev {
@@ -121,9 +121,12 @@ struct aoedev {
ulong sysminor;
ulong aoemajor;
ulong aoeminor;
- ulong nopen; /* (bd_openers isn't available without sleeping) */
- ulong rttavg; /* round trip average of requests/responses */
+ u16 nopen; /* (bd_openers isn't available without sleeping) */
+ u16 lasttag; /* last tag sent */
+ u16 rttavg; /* round trip average of requests/responses */
+ u16 mintimer;
u16 fw_ver; /* version of blade's firmware */
+ u16 maxbcnt;
struct work_struct work;/* disk create work struct */
struct gendisk *gd;
request_queue_t blkq;
@@ -137,8 +140,8 @@ struct aoedev {
mempool_t *bufpool; /* for deadlock-free Buf allocation */
struct list_head bufq; /* queue of bios to work on */
struct buf *inprocess; /* the one we're currently working on */
- ulong lasttag; /* last tag sent */
- ulong nframes; /* number of frames below */
+ ushort lostjumbo;
+ ushort nframes; /* number of frames below */
struct frame *frames;
};
@@ -157,6 +160,7 @@ void aoecmd_cfg(ushort aoemajor, unsigned char aoeminor);
void aoecmd_ata_rsp(struct sk_buff *);
void aoecmd_cfg_rsp(struct sk_buff *);
void aoecmd_sleepwork(void *vp);
+struct sk_buff *new_skb(ulong);
int aoedev_init(void);
void aoedev_exit(void);
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index 393b86a3dbf..d433f27e0ce 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004 Coraid, Inc. See COPYING for GPL terms. */
+/* Copyright (c) 2006 Coraid, Inc. See COPYING for GPL terms. */
/*
* aoeblk.c
* block device routines
@@ -14,7 +14,6 @@
static kmem_cache_t *buf_pool_cache;
-/* add attributes for our block devices in sysfs */
static ssize_t aoedisk_show_state(struct gendisk * disk, char *page)
{
struct aoedev *d = disk->private_data;
@@ -64,21 +63,26 @@ static struct disk_attribute disk_attr_fwver = {
.show = aoedisk_show_fwver
};
-static void
+static struct attribute *aoe_attrs[] = {
+ &disk_attr_state.attr,
+ &disk_attr_mac.attr,
+ &disk_attr_netif.attr,
+ &disk_attr_fwver.attr,
+};
+
+static const struct attribute_group attr_group = {
+ .attrs = aoe_attrs,
+};
+
+static int
aoedisk_add_sysfs(struct aoedev *d)
{
- sysfs_create_file(&d->gd->kobj, &disk_attr_state.attr);
- sysfs_create_file(&d->gd->kobj, &disk_attr_mac.attr);
- sysfs_create_file(&d->gd->kobj, &disk_attr_netif.attr);
- sysfs_create_file(&d->gd->kobj, &disk_attr_fwver.attr);
+ return sysfs_create_group(&d->gd->kobj, &attr_group);
}
void
aoedisk_rm_sysfs(struct aoedev *d)
{
- sysfs_remove_link(&d->gd->kobj, "state");
- sysfs_remove_link(&d->gd->kobj, "mac");
- sysfs_remove_link(&d->gd->kobj, "netif");
- sysfs_remove_link(&d->gd->kobj, "firmware-version");
+ sysfs_remove_group(&d->gd->kobj, &attr_group);
}
static int
@@ -132,8 +136,7 @@ aoeblk_make_request(request_queue_t *q, struct bio *bio)
d = bio->bi_bdev->bd_disk->private_data;
buf = mempool_alloc(d->bufpool, GFP_NOIO);
if (buf == NULL) {
- printk(KERN_INFO "aoe: aoeblk_make_request: buf allocation "
- "failure\n");
+ printk(KERN_INFO "aoe: buf allocation failure\n");
bio_endio(bio, bio->bi_size, -ENOMEM);
return 0;
}
@@ -143,14 +146,15 @@ aoeblk_make_request(request_queue_t *q, struct bio *bio)
buf->bio = bio;
buf->resid = bio->bi_size;
buf->sector = bio->bi_sector;
- buf->bv = buf->bio->bi_io_vec;
+ buf->bv = &bio->bi_io_vec[bio->bi_idx];
+ WARN_ON(buf->bv->bv_len == 0);
buf->bv_resid = buf->bv->bv_len;
buf->bufaddr = page_address(buf->bv->bv_page) + buf->bv->bv_offset;
spin_lock_irqsave(&d->lock, flags);
if ((d->flags & DEVFL_UP) == 0) {
- printk(KERN_INFO "aoe: aoeblk_make_request: device %ld.%ld is not up\n",
+ printk(KERN_INFO "aoe: device %ld.%ld is not up\n",
d->aoemajor, d->aoeminor);
spin_unlock_irqrestore(&d->lock, flags);
mempool_free(buf, d->bufpool);
@@ -176,7 +180,7 @@ aoeblk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
struct aoedev *d = bdev->bd_disk->private_data;
if ((d->flags & DEVFL_UP) == 0) {
- printk(KERN_ERR "aoe: aoeblk_ioctl: disk not up\n");
+ printk(KERN_ERR "aoe: disk not up\n");
return -ENODEV;
}
@@ -203,8 +207,8 @@ aoeblk_gdalloc(void *vp)
gd = alloc_disk(AOE_PARTITIONS);
if (gd == NULL) {
- printk(KERN_ERR "aoe: aoeblk_gdalloc: cannot allocate disk "
- "structure for %ld.%ld\n", d->aoemajor, d->aoeminor);
+ printk(KERN_ERR "aoe: cannot allocate disk structure for %ld.%ld\n",
+ d->aoemajor, d->aoeminor);
spin_lock_irqsave(&d->lock, flags);
d->flags &= ~DEVFL_GDALLOC;
spin_unlock_irqrestore(&d->lock, flags);
@@ -213,8 +217,8 @@ aoeblk_gdalloc(void *vp)
d->bufpool = mempool_create_slab_pool(MIN_BUFS, buf_pool_cache);
if (d->bufpool == NULL) {
- printk(KERN_ERR "aoe: aoeblk_gdalloc: cannot allocate bufpool "
- "for %ld.%ld\n", d->aoemajor, d->aoeminor);
+ printk(KERN_ERR "aoe: cannot allocate bufpool for %ld.%ld\n",
+ d->aoemajor, d->aoeminor);
put_disk(gd);
spin_lock_irqsave(&d->lock, flags);
d->flags &= ~DEVFL_GDALLOC;
diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c
index 1bc1cf9603f..e22b4c9520a 100644
--- a/drivers/block/aoe/aoechr.c
+++ b/drivers/block/aoe/aoechr.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004 Coraid, Inc. See COPYING for GPL terms. */
+/* Copyright (c) 2006 Coraid, Inc. See COPYING for GPL terms. */
/*
* aoechr.c
* AoE character device driver
@@ -15,7 +15,6 @@ enum {
MINOR_INTERFACES,
MINOR_REVALIDATE,
MSGSZ = 2048,
- NARGS = 10,
NMSG = 100, /* message backlog to retain */
};
@@ -56,9 +55,8 @@ static int
interfaces(const char __user *str, size_t size)
{
if (set_aoe_iflist(str, size)) {
- printk(KERN_CRIT
- "%s: could not set interface list: %s\n",
- __FUNCTION__, "too many interfaces");
+ printk(KERN_ERR
+ "aoe: could not set interface list: too many interfaces\n");
return -EINVAL;
}
return 0;
@@ -81,8 +79,7 @@ revalidate(const char __user *str, size_t size)
/* should be e%d.%d format */
n = sscanf(buf, "e%d.%d", &major, &minor);
if (n != 2) {
- printk(KERN_ERR "aoe: %s: invalid device specification\n",
- __FUNCTION__);
+ printk(KERN_ERR "aoe: invalid device specification\n");
return -EINVAL;
}
d = aoedev_by_aoeaddr(major, minor);
@@ -90,6 +87,7 @@ revalidate(const char __user *str, size_t size)
return -EINVAL;
spin_lock_irqsave(&d->lock, flags);
+ d->flags &= ~DEVFL_MAXBCNT;
d->flags |= DEVFL_PAUSE;
spin_unlock_irqrestore(&d->lock, flags);
aoecmd_cfg(major, minor);
@@ -116,7 +114,7 @@ bail: spin_unlock_irqrestore(&emsgs_lock, flags);
mp = kmalloc(n, GFP_ATOMIC);
if (mp == NULL) {
- printk(KERN_CRIT "aoe: aoechr_error: allocation failure, len=%ld\n", n);
+ printk(KERN_ERR "aoe: allocation failure, len=%ld\n", n);
goto bail;
}
@@ -141,7 +139,7 @@ aoechr_write(struct file *filp, const char __user *buf, size_t cnt, loff_t *offp
switch ((unsigned long) filp->private_data) {
default:
- printk(KERN_INFO "aoe: aoechr_write: can't write to that file.\n");
+ printk(KERN_INFO "aoe: can't write to that file.\n");
break;
case MINOR_DISCOVER:
ret = discover();
@@ -250,7 +248,7 @@ aoechr_init(void)
n = register_chrdev(AOE_MAJOR, "aoechr", &aoe_fops);
if (n < 0) {
- printk(KERN_ERR "aoe: aoechr_init: can't register char device\n");
+ printk(KERN_ERR "aoe: can't register char device\n");
return n;
}
sema_init(&emsgs_sema, 0);
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 39da28d344f..8a13b1af8ba 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004 Coraid, Inc. See COPYING for GPL terms. */
+/* Copyright (c) 2006 Coraid, Inc. See COPYING for GPL terms. */
/*
* aoecmd.c
* Filesystem request handling methods
@@ -15,17 +15,19 @@
#define TIMERTICK (HZ / 10)
#define MINTIMER (2 * TIMERTICK)
#define MAXTIMER (HZ << 1)
-#define MAXWAIT (60 * 3) /* After MAXWAIT seconds, give up and fail dev */
-static struct sk_buff *
-new_skb(struct net_device *if_dev, ulong len)
+static int aoe_deadsecs = 60 * 3;
+module_param(aoe_deadsecs, int, 0644);
+MODULE_PARM_DESC(aoe_deadsecs, "After aoe_deadsecs seconds, give up and fail dev.");
+
+struct sk_buff *
+new_skb(ulong len)
{
struct sk_buff *skb;
skb = alloc_skb(len, GFP_ATOMIC);
if (skb) {
skb->nh.raw = skb->mac.raw = skb->data;
- skb->dev = if_dev;
skb->protocol = __constant_htons(ETH_P_AOE);
skb->priority = 0;
skb_put(skb, len);
@@ -40,29 +42,6 @@ new_skb(struct net_device *if_dev, ulong len)
return skb;
}
-static struct sk_buff *
-skb_prepare(struct aoedev *d, struct frame *f)
-{
- struct sk_buff *skb;
- char *p;
-
- skb = new_skb(d->ifp, f->ndata + f->writedatalen);
- if (!skb) {
- printk(KERN_INFO "aoe: skb_prepare: failure to allocate skb\n");
- return NULL;
- }
-
- p = skb->mac.raw;
- memcpy(p, f->data, f->ndata);
-
- if (f->writedatalen) {
- p += sizeof(struct aoe_hdr) + sizeof(struct aoe_atahdr);
- memcpy(p, f->bufaddr, f->writedatalen);
- }
-
- return skb;
-}
-
static struct frame *
getframe(struct aoedev *d, int tag)
{
@@ -107,6 +86,17 @@ aoehdr_atainit(struct aoedev *d, struct aoe_hdr *h)
return host_tag;
}
+static inline void
+put_lba(struct aoe_atahdr *ah, sector_t lba)
+{
+ ah->lba0 = lba;
+ ah->lba1 = lba >>= 8;
+ ah->lba2 = lba >>= 8;
+ ah->lba3 = lba >>= 8;
+ ah->lba4 = lba >>= 8;
+ ah->lba5 = lba >>= 8;
+}
+
static void
aoecmd_ata_rw(struct aoedev *d, struct frame *f)
{
@@ -125,29 +115,27 @@ aoecmd_ata_rw(struct aoedev *d, struct frame *f)
sector = buf->sector;
bcnt = buf->bv_resid;
- if (bcnt > MAXATADATA)
- bcnt = MAXATADATA;
+ if (bcnt > d->maxbcnt)
+ bcnt = d->maxbcnt;
/* initialize the headers & frame */
- h = (struct aoe_hdr *) f->data;
+ skb = f->skb;
+ h = (struct aoe_hdr *) skb->mac.raw;
ah = (struct aoe_atahdr *) (h+1);
- f->ndata = sizeof *h + sizeof *ah;
- memset(h, 0, f->ndata);
+ skb->len = sizeof *h + sizeof *ah;
+ memset(h, 0, ETH_ZLEN);
f->tag = aoehdr_atainit(d, h);
f->waited = 0;
f->buf = buf;
f->bufaddr = buf->bufaddr;
+ f->bcnt = bcnt;
+ f->lba = sector;
/* set up ata header */
ah->scnt = bcnt >> 9;
- ah->lba0 = sector;
- ah->lba1 = sector >>= 8;
- ah->lba2 = sector >>= 8;
- ah->lba3 = sector >>= 8;
+ put_lba(ah, sector);
if (d->flags & DEVFL_EXT) {
ah->aflags |= AOEAFL_EXT;
- ah->lba4 = sector >>= 8;
- ah->lba5 = sector >>= 8;
} else {
extbit = 0;
ah->lba3 &= 0x0f;
@@ -155,11 +143,14 @@ aoecmd_ata_rw(struct aoedev *d, struct frame *f)
}
if (bio_data_dir(buf->bio) == WRITE) {
+ skb_fill_page_desc(skb, 0, virt_to_page(f->bufaddr),
+ offset_in_page(f->bufaddr), bcnt);
ah->aflags |= AOEAFL_WRITE;
- f->writedatalen = bcnt;
+ skb->len += bcnt;
+ skb->data_len = bcnt;
} else {
+ skb->len = ETH_ZLEN;
writebit = 0;
- f->writedatalen = 0;
}
ah->cmdstat = WIN_READ | writebit | extbit;
@@ -168,26 +159,27 @@ aoecmd_ata_rw(struct aoedev *d, struct frame *f)
buf->nframesout += 1;
buf->bufaddr += bcnt;
buf->bv_resid -= bcnt;
-/* printk(KERN_INFO "aoe: bv_resid=%ld\n", buf->bv_resid); */
+/* printk(KERN_DEBUG "aoe: bv_resid=%ld\n", buf->bv_resid); */
buf->resid -= bcnt;
buf->sector += bcnt >> 9;
if (buf->resid == 0) {
d->inprocess = NULL;
} else if (buf->bv_resid == 0) {
buf->bv++;
+ WARN_ON(buf->bv->bv_len == 0);
buf->bv_resid = buf->bv->bv_len;
buf->bufaddr = page_address(buf->bv->bv_page) + buf->bv->bv_offset;
}
- skb = skb_prepare(d, f);
- if (skb) {
- skb->next = NULL;
- if (d->sendq_hd)
- d->sendq_tl->next = skb;
- else
- d->sendq_hd = skb;
- d->sendq_tl = skb;
- }
+ skb->dev = d->ifp;
+ skb = skb_clone(skb, GFP_ATOMIC);
+ if (skb == NULL)
+ return;
+ if (d->sendq_hd)
+ d->sendq_tl->next = skb;
+ else
+ d->sendq_hd = skb;
+ d->sendq_tl = skb;
}
/* some callers cannot sleep, and they can call this function,
@@ -209,11 +201,12 @@ aoecmd_cfg_pkts(ushort aoemajor, unsigned char aoeminor, struct sk_buff **tail)
if (!is_aoe_netif(ifp))
continue;
- skb = new_skb(ifp, sizeof *h + sizeof *ch);
+ skb = new_skb(sizeof *h + sizeof *ch);
if (skb == NULL) {
- printk(KERN_INFO "aoe: aoecmd_cfg: skb alloc failure\n");
+ printk(KERN_INFO "aoe: skb alloc failure\n");
continue;
}
+ skb->dev = ifp;
if (sl_tail == NULL)
sl_tail = skb;
h = (struct aoe_hdr *) skb->mac.raw;
@@ -237,6 +230,29 @@ aoecmd_cfg_pkts(ushort aoemajor, unsigned char aoeminor, struct sk_buff **tail)
return sl;
}
+static struct frame *
+freeframe(struct aoedev *d)
+{
+ struct frame *f, *e;
+ int n = 0;
+
+ f = d->frames;
+ e = f + d->nframes;
+ for (; f<e; f++) {
+ if (f->tag != FREETAG)
+ continue;
+ if (atomic_read(&skb_shinfo(f->skb)->dataref) == 1) {
+ skb_shinfo(f->skb)->nr_frags = f->skb->data_len = 0;
+ return f;
+ }
+ n++;
+ }
+ if (n == d->nframes) /* wait for network layer */
+ d->flags |= DEVFL_KICKME;
+
+ return NULL;
+}
+
/* enters with d->lock held */
void
aoecmd_work(struct aoedev *d)
@@ -252,7 +268,7 @@ aoecmd_work(struct aoedev *d)
}
loop:
- f = getframe(d, FREETAG);
+ f = freeframe(d);
if (f == NULL)
return;
if (d->inprocess == NULL) {
@@ -260,7 +276,7 @@ loop:
return;
buf = container_of(d->bufq.next, struct buf, bufs);
list_del(d->bufq.next);
-/*printk(KERN_INFO "aoecmd_work: bi_size=%ld\n", buf->bio->bi_size); */
+/*printk(KERN_DEBUG "aoe: bi_size=%ld\n", buf->bio->bi_size); */
d->inprocess = buf;
}
aoecmd_ata_rw(d, f);
@@ -272,6 +288,7 @@ rexmit(struct aoedev *d, struct frame *f)
{
struct sk_buff *skb;
struct aoe_hdr *h;
+ struct aoe_atahdr *ah;
char buf[128];
u32 n;
@@ -283,21 +300,41 @@ rexmit(struct aoedev *d, struct frame *f)
d->aoemajor, d->aoeminor, f->tag, jiffies, n);
aoechr_error(buf);
- h = (struct aoe_hdr *) f->data;
+ skb = f->skb;
+ h = (struct aoe_hdr *) skb->mac.raw;
+ ah = (struct aoe_atahdr *) (h+1);
f->tag = n;
h->tag = cpu_to_be32(n);
memcpy(h->dst, d->addr, sizeof h->dst);
memcpy(h->src, d->ifp->dev_addr, sizeof h->src);
- skb = skb_prepare(d, f);
- if (skb) {
- skb->next = NULL;
- if (d->sendq_hd)
- d->sendq_tl->next = skb;
- else
- d->sendq_hd = skb;
- d->sendq_tl = skb;
+ n = DEFAULTBCNT / 512;
+ if (ah->scnt > n) {
+ ah->scnt = n;
+ if (ah->aflags & AOEAFL_WRITE) {
+ skb_fill_page_desc(skb, 0, virt_to_page(f->bufaddr),
+ offset_in_page(f->bufaddr), DEFAULTBCNT);
+ skb->len = sizeof *h + sizeof *ah + DEFAULTBCNT;
+ skb->data_len = DEFAULTBCNT;
+ }
+ if (++d->lostjumbo > (d->nframes << 1))
+ if (d->maxbcnt != DEFAULTBCNT) {
+ printk(KERN_INFO "aoe: e%ld.%ld: too many lost jumbo on %s - using 1KB frames.\n",
+ d->aoemajor, d->aoeminor, d->ifp->name);
+ d->maxbcnt = DEFAULTBCNT;
+ d->flags |= DEVFL_MAXBCNT;
+ }
}
+
+ skb->dev = d->ifp;
+ skb = skb_clone(skb, GFP_ATOMIC);
+ if (skb == NULL)
+ return;
+ if (d->sendq_hd)
+ d->sendq_tl->next = skb;
+ else
+ d->sendq_hd = skb;
+ d->sendq_tl = skb;
}
static int
@@ -340,13 +377,17 @@ rexmit_timer(ulong vp)
if (f->tag != FREETAG && tsince(f->tag) >= timeout) {
n = f->waited += timeout;
n /= HZ;
- if (n > MAXWAIT) { /* waited too long. device failure. */
+ if (n > aoe_deadsecs) { /* waited too long for response */
aoedev_downdev(d);
break;
}
rexmit(d, f);
}
}
+ if (d->flags & DEVFL_KICKME) {
+ d->flags &= ~DEVFL_KICKME;
+ aoecmd_work(d);
+ }
sl = d->sendq_hd;
d->sendq_hd = d->sendq_tl = NULL;
@@ -431,8 +472,8 @@ ataid_complete(struct aoedev *d, unsigned char *id)
}
if (d->ssize != ssize)
- printk(KERN_INFO "aoe: %012llx e%lu.%lu v%04x has %llu "
- "sectors\n", (unsigned long long)mac_addr(d->addr),
+ printk(KERN_INFO "aoe: %012llx e%lu.%lu v%04x has %llu sectors\n",
+ (unsigned long long)mac_addr(d->addr),
d->aoemajor, d->aoeminor,
d->fw_ver, (long long)ssize);
d->ssize = ssize;
@@ -442,11 +483,9 @@ ataid_complete(struct aoedev *d, unsigned char *id)
d->flags |= DEVFL_NEWSIZE;
} else {
if (d->flags & DEVFL_GDALLOC) {
- printk(KERN_INFO "aoe: %s: %s e%lu.%lu, %s\n",
- __FUNCTION__,
- "can't schedule work for",
+ printk(KERN_ERR "aoe: can't schedule work for e%lu.%lu, %s\n",
d->aoemajor, d->aoeminor,
- "it's already on! (This really shouldn't happen).\n");
+ "it's already on! This shouldn't happen.\n");
return;
}
d->flags |= DEVFL_GDALLOC;
@@ -460,8 +499,15 @@ calc_rttavg(struct aoedev *d, int rtt)
register long n;
n = rtt;
- if (n < MINTIMER)
- n = MINTIMER;
+ if (n < 0) {
+ n = -rtt;
+ if (n < MINTIMER)
+ n = MINTIMER;
+ else if (n > MAXTIMER)
+ n = MAXTIMER;
+ d->mintimer += (n - d->mintimer) >> 1;
+ } else if (n < d->mintimer)
+ n = d->mintimer;
else if (n > MAXTIMER)
n = MAXTIMER;
@@ -474,7 +520,7 @@ void
aoecmd_ata_rsp(struct sk_buff *skb)
{
struct aoedev *d;
- struct aoe_hdr *hin;
+ struct aoe_hdr *hin, *hout;
struct aoe_atahdr *ahin, *ahout;
struct frame *f;
struct buf *buf;
@@ -497,8 +543,10 @@ aoecmd_ata_rsp(struct sk_buff *skb)
spin_lock_irqsave(&d->lock, flags);
- f = getframe(d, be32_to_cpu(hin->tag));
+ n = be32_to_cpu(hin->tag);
+ f = getframe(d, n);
if (f == NULL) {
+ calc_rttavg(d, -tsince(n));
spin_unlock_irqrestore(&d->lock, flags);
snprintf(ebuf, sizeof ebuf,
"%15s e%d.%d tag=%08x@%08lx\n",
@@ -514,26 +562,27 @@ aoecmd_ata_rsp(struct sk_buff *skb)
calc_rttavg(d, tsince(f->tag));
ahin = (struct aoe_atahdr *) (hin+1);
- ahout = (struct aoe_atahdr *) (f->data + sizeof(struct aoe_hdr));
+ hout = (struct aoe_hdr *) f->skb->mac.raw;
+ ahout = (struct aoe_atahdr *) (hout+1);
buf = f->buf;
if (ahout->cmdstat == WIN_IDENTIFY)
d->flags &= ~DEVFL_PAUSE;
if (ahin->cmdstat & 0xa9) { /* these bits cleared on success */
- printk(KERN_CRIT "aoe: aoecmd_ata_rsp: ata error cmd=%2.2Xh "
- "stat=%2.2Xh from e%ld.%ld\n",
+ printk(KERN_ERR
+ "aoe: ata error cmd=%2.2Xh stat=%2.2Xh from e%ld.%ld\n",
ahout->cmdstat, ahin->cmdstat,
d->aoemajor, d->aoeminor);
if (buf)
buf->flags |= BUFFL_FAIL;
} else {
+ n = ahout->scnt << 9;
switch (ahout->cmdstat) {
case WIN_READ:
case WIN_READ_EXT:
- n = ahout->scnt << 9;
if (skb->len - sizeof *hin - sizeof *ahin < n) {
- printk(KERN_CRIT "aoe: aoecmd_ata_rsp: runt "
- "ata data size in read. skb->len=%d\n",
+ printk(KERN_ERR
+ "aoe: runt data size in read. skb->len=%d\n",
skb->len);
/* fail frame f? just returning will rexmit. */
spin_unlock_irqrestore(&d->lock, flags);
@@ -542,22 +591,49 @@ aoecmd_ata_rsp(struct sk_buff *skb)
memcpy(f->bufaddr, ahin+1, n);
case WIN_WRITE:
case WIN_WRITE_EXT:
+ if (f->bcnt -= n) {
+ skb = f->skb;
+ f->bufaddr += n;
+ put_lba(ahout, f->lba += ahout->scnt);
+ n = f->bcnt;
+ if (n > DEFAULTBCNT)
+ n = DEFAULTBCNT;
+ ahout->scnt = n >> 9;
+ if (ahout->aflags & AOEAFL_WRITE) {
+ skb_fill_page_desc(skb, 0,
+ virt_to_page(f->bufaddr),
+ offset_in_page(f->bufaddr), n);
+ skb->len = sizeof *hout + sizeof *ahout + n;
+ skb->data_len = n;
+ }
+ f->tag = newtag(d);
+ hout->tag = cpu_to_be32(f->tag);
+ skb->dev = d->ifp;
+ skb = skb_clone(skb, GFP_ATOMIC);
+ spin_unlock_irqrestore(&d->lock, flags);
+ if (skb)
+ aoenet_xmit(skb);
+ return;
+ }
+ if (n > DEFAULTBCNT)
+ d->lostjumbo = 0;
break;
case WIN_IDENTIFY:
if (skb->len - sizeof *hin - sizeof *ahin < 512) {
- printk(KERN_INFO "aoe: aoecmd_ata_rsp: runt data size "
- "in ataid. skb->len=%d\n", skb->len);
+ printk(KERN_INFO
+ "aoe: runt data size in ataid. skb->len=%d\n",
+ skb->len);
spin_unlock_irqrestore(&d->lock, flags);
return;
}
ataid_complete(d, (char *) (ahin+1));
break;
default:
- printk(KERN_INFO "aoe: aoecmd_ata_rsp: unrecognized "
- "outbound ata command %2.2Xh for %d.%d\n",
- ahout->cmdstat,
- be16_to_cpu(hin->major),
- hin->minor);
+ printk(KERN_INFO
+ "aoe: unrecognized ata command %2.2Xh for %d.%d\n",
+ ahout->cmdstat,
+ be16_to_cpu(hin->major),
+ hin->minor);
}
}
@@ -612,33 +688,32 @@ aoecmd_ata_id(struct aoedev *d)
struct frame *f;
struct sk_buff *skb;
- f = getframe(d, FREETAG);
+ f = freeframe(d);
if (f == NULL) {
- printk(KERN_CRIT "aoe: aoecmd_ata_id: can't get a frame. "
- "This shouldn't happen.\n");
+ printk(KERN_ERR "aoe: can't get a frame. This shouldn't happen.\n");
return NULL;
}
/* initialize the headers & frame */
- h = (struct aoe_hdr *) f->data;
+ skb = f->skb;
+ h = (struct aoe_hdr *) skb->mac.raw;
ah = (struct aoe_atahdr *) (h+1);
- f->ndata = sizeof *h + sizeof *ah;
- memset(h, 0, f->ndata);
+ skb->len = ETH_ZLEN;
+ memset(h, 0, ETH_ZLEN);
f->tag = aoehdr_atainit(d, h);
f->waited = 0;
- f->writedatalen = 0;
/* set up ata header */
ah->scnt = 1;
ah->cmdstat = WIN_IDENTIFY;
ah->lba3 = 0xa0;
- skb = skb_prepare(d, f);
+ skb->dev = d->ifp;
d->rttavg = MAXTIMER;
d->timer.function = rexmit_timer;
- return skb;
+ return skb_clone(skb, GFP_ATOMIC);
}
void
@@ -648,9 +723,9 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
struct aoe_hdr *h;
struct aoe_cfghdr *ch;
ulong flags, sysminor, aoemajor;
- u16 bufcnt;
struct sk_buff *sl;
enum { MAXFRAMES = 16 };
+ u16 n;
h = (struct aoe_hdr *) skb->mac.raw;
ch = (struct aoe_cfghdr *) (h+1);
@@ -661,26 +736,25 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
*/
aoemajor = be16_to_cpu(h->major);
if (aoemajor == 0xfff) {
- printk(KERN_CRIT "aoe: aoecmd_cfg_rsp: Warning: shelf "
- "address is all ones. Check shelf dip switches\n");
+ printk(KERN_ERR "aoe: Warning: shelf address is all ones. "
+ "Check shelf dip switches.\n");
return;
}
sysminor = SYSMINOR(aoemajor, h->minor);
if (sysminor * AOE_PARTITIONS + AOE_PARTITIONS > MINORMASK) {
- printk(KERN_INFO
- "aoe: e%ld.%d: minor number too large\n",
+ printk(KERN_INFO "aoe: e%ld.%d: minor number too large\n",
aoemajor, (int) h->minor);
return;
}
- bufcnt = be16_to_cpu(ch->bufcnt);
- if (bufcnt > MAXFRAMES) /* keep it reasonable */
- bufcnt = MAXFRAMES;
+ n = be16_to_cpu(ch->bufcnt);
+ if (n > MAXFRAMES) /* keep it reasonable */
+ n = MAXFRAMES;
- d = aoedev_by_sysminor_m(sysminor, bufcnt);
+ d = aoedev_by_sysminor_m(sysminor, n);
if (d == NULL) {
- printk(KERN_INFO "aoe: aoecmd_cfg_rsp: device sysminor_m failure\n");
+ printk(KERN_INFO "aoe: device sysminor_m failure\n");
return;
}
@@ -689,6 +763,20 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
/* permit device to migrate mac and network interface */
d->ifp = skb->dev;
memcpy(d->addr, h->src, sizeof d->addr);
+ if (!(d->flags & DEVFL_MAXBCNT)) {
+ n = d->ifp->mtu;
+ n -= sizeof (struct aoe_hdr) + sizeof (struct aoe_atahdr);
+ n /= 512;
+ if (n > ch->scnt)
+ n = ch->scnt;
+ n = n ? n * 512 : DEFAULTBCNT;
+ if (n != d->maxbcnt) {
+ printk(KERN_INFO
+ "aoe: e%ld.%ld: setting %d byte data frames on %s\n",
+ d->aoemajor, d->aoeminor, n, d->ifp->name);
+ d->maxbcnt = n;
+ }
+ }
/* don't change users' perspective */
if (d->nopen && !(d->flags & DEVFL_PAUSE)) {
@@ -696,6 +784,7 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
return;
}
d->flags |= DEVFL_PAUSE; /* force pause */
+ d->mintimer = MINTIMER;
d->fw_ver = be16_to_cpu(ch->fwver);
/* check for already outstanding ataid */
diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c
index ed4258a62df..6125921bbec 100644
--- a/drivers/block/aoe/aoedev.c
+++ b/drivers/block/aoe/aoedev.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004 Coraid, Inc. See COPYING for GPL terms. */
+/* Copyright (c) 2006 Coraid, Inc. See COPYING for GPL terms. */
/*
* aoedev.c
* AoE device utility functions; maintains device list.
@@ -20,11 +20,8 @@ aoedev_isbusy(struct aoedev *d)
f = d->frames;
e = f + d->nframes;
do {
- if (f->tag != FREETAG) {
- printk(KERN_DEBUG "aoe: %ld.%ld isbusy\n",
- d->aoemajor, d->aoeminor);
+ if (f->tag != FREETAG)
return 1;
- }
} while (++f < e);
return 0;
@@ -66,22 +63,32 @@ aoedev_newdev(ulong nframes)
struct frame *f, *e;
d = kzalloc(sizeof *d, GFP_ATOMIC);
- if (d == NULL)
- return NULL;
f = kcalloc(nframes, sizeof *f, GFP_ATOMIC);
- if (f == NULL) {
- kfree(d);
+ switch (!d || !f) {
+ case 0:
+ d->nframes = nframes;
+ d->frames = f;
+ e = f + nframes;
+ for (; f<e; f++) {
+ f->tag = FREETAG;
+ f->skb = new_skb(ETH_ZLEN);
+ if (!f->skb)
+ break;
+ }
+ if (f == e)
+ break;
+ while (f > d->frames) {
+ f--;
+ dev_kfree_skb(f->skb);
+ }
+ default:
+ if (f)
+ kfree(f);
+ if (d)
+ kfree(d);
return NULL;
}
-
INIT_WORK(&d->work, aoecmd_sleepwork, d);
-
- d->nframes = nframes;
- d->frames = f;
- e = f + nframes;
- for (; f<e; f++)
- f->tag = FREETAG;
-
spin_lock_init(&d->lock);
init_timer(&d->timer);
d->timer.data = (ulong) d;
@@ -114,6 +121,7 @@ aoedev_downdev(struct aoedev *d)
mempool_free(buf, d->bufpool);
bio_endio(bio, bio->bi_size, -EIO);
}
+ skb_shinfo(f->skb)->nr_frags = f->skb->data_len = 0;
}
d->inprocess = NULL;
@@ -148,7 +156,7 @@ aoedev_by_sysminor_m(ulong sysminor, ulong bufcnt)
d = aoedev_newdev(bufcnt);
if (d == NULL) {
spin_unlock_irqrestore(&devlist_lock, flags);
- printk(KERN_INFO "aoe: aoedev_set: aoedev_newdev failure.\n");
+ printk(KERN_INFO "aoe: aoedev_newdev failure.\n");
return NULL;
}
d->sysminor = sysminor;
@@ -163,11 +171,19 @@ aoedev_by_sysminor_m(ulong sysminor, ulong bufcnt)
static void
aoedev_freedev(struct aoedev *d)
{
+ struct frame *f, *e;
+
if (d->gd) {
aoedisk_rm_sysfs(d);
del_gendisk(d->gd);
put_disk(d->gd);
}
+ f = d->frames;
+ e = f + d->nframes;
+ for (; f<e; f++) {
+ skb_shinfo(f->skb)->nr_frags = 0;
+ dev_kfree_skb(f->skb);
+ }
kfree(d->frames);
if (d->bufpool)
mempool_destroy(d->bufpool);
diff --git a/drivers/block/aoe/aoemain.c b/drivers/block/aoe/aoemain.c
index de08491ebe6..a04b7d61329 100644
--- a/drivers/block/aoe/aoemain.c
+++ b/drivers/block/aoe/aoemain.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004 Coraid, Inc. See COPYING for GPL terms. */
+/* Copyright (c) 2006 Coraid, Inc. See COPYING for GPL terms. */
/*
* aoemain.c
* Module initialization routines, discover timer
@@ -84,13 +84,11 @@ aoe_init(void)
goto net_fail;
ret = register_blkdev(AOE_MAJOR, DEVICE_NAME);
if (ret < 0) {
- printk(KERN_ERR "aoe: aoeblk_init: can't register major\n");
+ printk(KERN_ERR "aoe: can't register major\n");
goto blkreg_fail;
}
- printk(KERN_INFO
- "aoe: aoe_init: AoE v%s initialised.\n",
- VERSION);
+ printk(KERN_INFO "aoe: AoE v%s initialised.\n", VERSION);
discover_timer(TINIT);
return 0;
@@ -103,7 +101,7 @@ aoe_init(void)
chr_fail:
aoedev_exit();
- printk(KERN_INFO "aoe: aoe_init: initialisation failure.\n");
+ printk(KERN_INFO "aoe: initialisation failure.\n");
return ret;
}
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index c1434ed1188..9626e0f5da9 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004 Coraid, Inc. See COPYING for GPL terms. */
+/* Copyright (c) 2006 Coraid, Inc. See COPYING for GPL terms. */
/*
* aoenet.c
* Ethernet portion of AoE driver
@@ -74,7 +74,7 @@ set_aoe_iflist(const char __user *user_str, size_t size)
return -EINVAL;
if (copy_from_user(aoe_iflist, user_str, size)) {
- printk(KERN_INFO "aoe: %s: copy from user failed\n", __FUNCTION__);
+ printk(KERN_INFO "aoe: copy from user failed\n");
return -EFAULT;
}
aoe_iflist[size] = 0x00;
@@ -132,8 +132,7 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt,
if (n > NECODES)
n = 0;
if (net_ratelimit())
- printk(KERN_ERR "aoe: aoenet_rcv: error packet from %d.%d; "
- "ecode=%d '%s'\n",
+ printk(KERN_ERR "aoe: error packet from %d.%d; ecode=%d '%s'\n",
be16_to_cpu(h->major), h->minor,
h->err, aoe_errlist[n]);
goto exit;
@@ -147,7 +146,7 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt,
aoecmd_cfg_rsp(skb);
break;
default:
- printk(KERN_INFO "aoe: aoenet_rcv: unknown cmd %d\n", h->cmd);
+ printk(KERN_INFO "aoe: unknown cmd %d\n", h->cmd);
}
exit:
dev_kfree_skb(skb);
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index c39650920bd..14d6b949275 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -342,7 +342,7 @@ static void fd_select_drive( int drive );
static void fd_deselect( void );
static void fd_motor_off_timer( unsigned long dummy );
static void check_change( unsigned long dummy );
-static irqreturn_t floppy_irq (int irq, void *dummy, struct pt_regs *fp);
+static irqreturn_t floppy_irq (int irq, void *dummy);
static void fd_error( void );
static int do_format(int drive, int type, struct atari_format_descr *desc);
static void do_fd_action( int drive );
@@ -573,7 +573,7 @@ static inline void copy_buffer(void *from, void *to)
static void (*FloppyIRQHandler)( int status ) = NULL;
-static irqreturn_t floppy_irq (int irq, void *dummy, struct pt_regs *fp)
+static irqreturn_t floppy_irq (int irq, void *dummy)
{
unsigned char status;
void (*handler)( int );
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 36b88f6c5f8..dcccaf2782f 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -130,7 +130,7 @@ static struct board_type products[] = {
static ctlr_info_t *hba[MAX_CTLR];
static void do_cciss_request(request_queue_t *q);
-static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t do_cciss_intr(int irq, void *dev_id);
static int cciss_open(struct inode *inode, struct file *filep);
static int cciss_release(struct inode *inode, struct file *filep);
static int cciss_ioctl(struct inode *inode, struct file *filep,
@@ -2300,7 +2300,7 @@ static int sendcmd(__u8 cmd, int ctlr, void *buff, size_t size, unsigned int use
#ifdef CONFIG_CISS_SCSI_TAPE
/* if we saved some commands for later, process them now. */
if (info_p->scsi_rejects.ncompletions > 0)
- do_cciss_intr(0, info_p, NULL);
+ do_cciss_intr(0, info_p);
#endif
cmd_free(info_p, c, 1);
return status;
@@ -2652,7 +2652,7 @@ static inline long interrupt_not_for_us(ctlr_info_t *h)
#endif
}
-static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t do_cciss_intr(int irq, void *dev_id)
{
ctlr_info_t *h = dev_id;
CommandList_struct *c;
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index ada68e65b5f..570d2f04932 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -169,7 +169,7 @@ static inline cmdlist_t *removeQ(cmdlist_t **Qptr, cmdlist_t *c);
static inline void complete_buffers(struct bio *bio, int ok);
static inline void complete_command(cmdlist_t *cmd, int timeout);
-static irqreturn_t do_ida_intr(int irq, void *dev_id, struct pt_regs * regs);
+static irqreturn_t do_ida_intr(int irq, void *dev_id);
static void ida_timer(unsigned long tdata);
static int ida_revalidate(struct gendisk *disk);
static int revalidate_allvol(ctlr_info_t *host);
@@ -1042,7 +1042,7 @@ static inline void complete_command(cmdlist_t *cmd, int timeout)
* Find the command on the completion queue, remove it, tell the OS and
* try to queue up more IO
*/
-static irqreturn_t do_ida_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t do_ida_intr(int irq, void *dev_id)
{
ctlr_info_t *h = dev_id;
cmdlist_t *c;
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 629c5769d99..9e6d3a87cbe 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -221,7 +221,7 @@ static DEFINE_SPINLOCK(floppy_lock);
static struct completion device_release;
static unsigned short virtual_dma_port = 0x3f0;
-irqreturn_t floppy_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+irqreturn_t floppy_interrupt(int irq, void *dev_id);
static int set_dor(int fdc, char mask, char data);
#define K_64 0x10000 /* 64KB */
@@ -1726,7 +1726,7 @@ static void print_result(char *message, int inr)
}
/* interrupt handler. Note that this can be called externally on the Sparc */
-irqreturn_t floppy_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t floppy_interrupt(int irq, void *dev_id)
{
void (*handler) (void) = do_floppy;
int do_print;
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index d6bb8da955a..beab6d2643c 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -295,7 +295,7 @@ fail:
* and do_lo_send_write().
*/
static int __do_lo_send_write(struct file *file,
- u8 __user *buf, const int len, loff_t pos)
+ u8 *buf, const int len, loff_t pos)
{
ssize_t bw;
mm_segment_t old_fs = get_fs();
@@ -324,7 +324,7 @@ static int do_lo_send_direct_write(struct loop_device *lo,
struct bio_vec *bvec, int bsize, loff_t pos, struct page *page)
{
ssize_t bw = __do_lo_send_write(lo->lo_backing_file,
- (u8 __user *)kmap(bvec->bv_page) + bvec->bv_offset,
+ kmap(bvec->bv_page) + bvec->bv_offset,
bvec->bv_len, pos);
kunmap(bvec->bv_page);
cond_resched();
@@ -351,7 +351,7 @@ static int do_lo_send_write(struct loop_device *lo, struct bio_vec *bvec,
bvec->bv_offset, bvec->bv_len, pos >> 9);
if (likely(!ret))
return __do_lo_send_write(lo->lo_backing_file,
- (u8 __user *)page_address(page), bvec->bv_len,
+ page_address(page), bvec->bv_len,
pos);
printk(KERN_ERR "loop: Transfer error at byte offset %llu, "
"length %i.\n", (unsigned long long)pos, bvec->bv_len);
@@ -1187,7 +1187,7 @@ struct compat_loop_info {
* - noinlined to reduce stack space usage in main part of driver
*/
static noinline int
-loop_info64_from_compat(const struct compat_loop_info *arg,
+loop_info64_from_compat(const struct compat_loop_info __user *arg,
struct loop_info64 *info64)
{
struct compat_loop_info info;
diff --git a/drivers/block/ps2esdi.c b/drivers/block/ps2esdi.c
index 5537974fb24..688a4fb0dc9 100644
--- a/drivers/block/ps2esdi.c
+++ b/drivers/block/ps2esdi.c
@@ -75,8 +75,7 @@ static int ps2esdi_out_cmd_blk(u_short * cmd_blk);
static void ps2esdi_prep_dma(char *buffer, u_short length, u_char dma_xmode);
-static irqreturn_t ps2esdi_interrupt_handler(int irq, void *dev_id,
- struct pt_regs *regs);
+static irqreturn_t ps2esdi_interrupt_handler(int irq, void *dev_id);
static void (*current_int_handler) (u_int) = NULL;
static void ps2esdi_normal_interrupt_handler(u_int);
static void ps2esdi_initial_reset_int_handler(u_int);
@@ -687,8 +686,7 @@ static void ps2esdi_prep_dma(char *buffer, u_short length, u_char dma_xmode)
-static irqreturn_t ps2esdi_interrupt_handler(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t ps2esdi_interrupt_handler(int irq, void *dev_id)
{
u_int int_ret_code;
diff --git a/drivers/block/rd.c b/drivers/block/rd.c
index a3f64bfe6b5..485aa87e9bc 100644
--- a/drivers/block/rd.c
+++ b/drivers/block/rd.c
@@ -432,6 +432,12 @@ static int __init rd_init(void)
rd_disks[i] = alloc_disk(1);
if (!rd_disks[i])
goto out;
+
+ rd_queue[i] = blk_alloc_queue(GFP_KERNEL);
+ if (!rd_queue[i]) {
+ put_disk(rd_disks[i]);
+ goto out;
+ }
}
if (register_blkdev(RAMDISK_MAJOR, "ramdisk")) {
@@ -442,10 +448,6 @@ static int __init rd_init(void)
for (i = 0; i < CONFIG_BLK_DEV_RAM_COUNT; i++) {
struct gendisk *disk = rd_disks[i];
- rd_queue[i] = blk_alloc_queue(GFP_KERNEL);
- if (!rd_queue[i])
- goto out_queue;
-
blk_queue_make_request(rd_queue[i], &rd_make_request);
blk_queue_hardsect_size(rd_queue[i], rd_blocksize);
@@ -466,8 +468,6 @@ static int __init rd_init(void)
CONFIG_BLK_DEV_RAM_COUNT, rd_size, rd_blocksize);
return 0;
-out_queue:
- unregister_blkdev(RAMDISK_MAJOR, "ramdisk");
out:
while (i--) {
put_disk(rd_disks[i]);
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index fdc8f892eb8..1a65979f1f0 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -238,8 +238,8 @@ static void scan_timeout(unsigned long data);
static void seek_timeout(unsigned long data);
static void settle_timeout(unsigned long data);
static void xfer_timeout(unsigned long data);
-static irqreturn_t swim3_interrupt(int irq, void *dev_id, struct pt_regs *regs);
-/*static void fd_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs);*/
+static irqreturn_t swim3_interrupt(int irq, void *dev_id);
+/*static void fd_dma_interrupt(int irq, void *dev_id);*/
static int grab_drive(struct floppy_state *fs, enum swim_state state,
int interruptible);
static void release_drive(struct floppy_state *fs);
@@ -624,7 +624,7 @@ static void xfer_timeout(unsigned long data)
start_request(fs);
}
-static irqreturn_t swim3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t swim3_interrupt(int irq, void *dev_id)
{
struct floppy_state *fs = (struct floppy_state *) dev_id;
struct swim3 __iomem *sw = fs->swim3;
@@ -777,7 +777,7 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
}
/*
-static void fd_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static void fd_dma_interrupt(int irq, void *dev_id)
{
}
*/
diff --git a/drivers/block/swim_iop.c b/drivers/block/swim_iop.c
index dfda796eba5..ed7b06cf3e6 100644
--- a/drivers/block/swim_iop.c
+++ b/drivers/block/swim_iop.c
@@ -94,7 +94,7 @@ static char *drive_names[7] = {
int swimiop_init(void);
static void swimiop_init_request(struct swim_iop_req *);
static int swimiop_send_request(struct swim_iop_req *);
-static void swimiop_receive(struct iop_msg *, struct pt_regs *);
+static void swimiop_receive(struct iop_msg *);
static void swimiop_status_update(int, struct swim_drvstatus *);
static int swimiop_eject(struct floppy_state *fs);
@@ -257,7 +257,7 @@ static int swimiop_send_request(struct swim_iop_req *req)
* 2. An unsolicited message was received from the IOP.
*/
-void swimiop_receive(struct iop_msg *msg, struct pt_regs *regs)
+void swimiop_receive(struct iop_msg *msg)
{
struct swim_iop_req *req;
struct swimmsg_status *sm;
diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c
index c6beee18a07..47d6975268f 100644
--- a/drivers/block/sx8.c
+++ b/drivers/block/sx8.c
@@ -1200,7 +1200,7 @@ static inline void carm_handle_responses(struct carm_host *host)
host->resp_idx += work;
}
-static irqreturn_t carm_interrupt(int irq, void *__host, struct pt_regs *regs)
+static irqreturn_t carm_interrupt(int irq, void *__host)
{
struct carm_host *host = __host;
void __iomem *mmio;
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 45a8f402b07..0d5c73f0726 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -362,7 +362,7 @@ static void ub_end_rq(struct request *rq, unsigned int status);
static int ub_rw_cmd_retry(struct ub_dev *sc, struct ub_lun *lun,
struct ub_request *urq, struct ub_scsi_cmd *cmd);
static int ub_submit_scsi(struct ub_dev *sc, struct ub_scsi_cmd *cmd);
-static void ub_urb_complete(struct urb *urb, struct pt_regs *pt);
+static void ub_urb_complete(struct urb *urb);
static void ub_scsi_action(unsigned long _dev);
static void ub_scsi_dispatch(struct ub_dev *sc);
static void ub_scsi_urb_compl(struct ub_dev *sc, struct ub_scsi_cmd *cmd);
@@ -959,7 +959,7 @@ static void ub_urb_timeout(unsigned long arg)
* the sc->lock taken) and from an interrupt (while we do NOT have
* the sc->lock taken). Therefore, bounce this off to a tasklet.
*/
-static void ub_urb_complete(struct urb *urb, struct pt_regs *pt)
+static void ub_urb_complete(struct urb *urb)
{
struct ub_dev *sc = urb->context;
@@ -1923,7 +1923,7 @@ err_alloc:
/*
*/
-static void ub_probe_urb_complete(struct urb *urb, struct pt_regs *pt)
+static void ub_probe_urb_complete(struct urb *urb)
{
struct completion *cop = urb->context;
complete(cop);
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index cbb9d0f21ac..30f16bd8365 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -571,7 +571,7 @@ static int mm_make_request(request_queue_t *q, struct bio *bio)
-- mm_interrupt
-----------------------------------------------------------------------------------
*/
-static irqreturn_t mm_interrupt(int irq, void *__card, struct pt_regs *regs)
+static irqreturn_t mm_interrupt(int irq, void *__card)
{
struct cardinfo *card = (struct cardinfo *) __card;
unsigned int dma_status;
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index ebf3025721d..0d97b7eb818 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -48,9 +48,9 @@
#include <linux/blkdev.h>
#include <linux/blkpg.h>
#include <linux/delay.h>
+#include <linux/io.h>
#include <asm/system.h>
-#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/dma.h>
@@ -462,8 +462,7 @@ static void xd_recalibrate (u_char drive)
}
/* xd_interrupt_handler: interrupt service routine */
-static irqreturn_t xd_interrupt_handler(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t xd_interrupt_handler(int irq, void *dev_id)
{
if (inb(XD_STATUS) & STAT_INTERRUPT) { /* check if it was our device */
#ifdef DEBUG_OTHER
diff --git a/drivers/block/xd.h b/drivers/block/xd.h
index 71ac2e3dffc..82e090fea95 100644
--- a/drivers/block/xd.h
+++ b/drivers/block/xd.h
@@ -109,8 +109,7 @@ static int xd_ioctl (struct inode *inode,struct file *file,unsigned int cmd,unsi
static int xd_readwrite (u_char operation,XD_INFO *disk,char *buffer,u_int block,u_int count);
static void xd_recalibrate (u_char drive);
-static irqreturn_t xd_interrupt_handler(int irq, void *dev_id,
- struct pt_regs *regs);
+static irqreturn_t xd_interrupt_handler(int irq, void *dev_id);
static u_char xd_setup_dma (u_char opcode,u_char *buffer,u_int count);
static u_char *xd_build (u_char *cmdblk,u_char command,u_char drive,u_char head,u_short cylinder,u_char sector,u_char count,u_char control);
static void xd_watchdog (unsigned long unused);
diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index 82ddbdd7bd4..7cc2685ca84 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -329,7 +329,7 @@ static struct kobject *z2_find(dev_t dev, int *part, void *data)
static struct request_queue *z2_queue;
-int __init
+static int __init
z2_init(void)
{
int ret;
@@ -370,26 +370,7 @@ err:
return ret;
}
-#if defined(MODULE)
-
-MODULE_LICENSE("GPL");
-
-int
-init_module( void )
-{
- int error;
-
- error = z2_init();
- if ( error == 0 )
- {
- printk( KERN_INFO DEVICE_NAME ": loaded as module\n" );
- }
-
- return error;
-}
-
-void
-cleanup_module( void )
+static void __exit z2_exit(void)
{
int i, j;
blk_unregister_region(MKDEV(Z2RAM_MAJOR, 0), 256);
@@ -425,4 +406,7 @@ cleanup_module( void )
return;
}
-#endif
+
+module_init(z2_init);
+module_exit(z2_exit);
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 17:39:17 +0000