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Commit 0713f029 authored by Linus Torvalds's avatar Linus Torvalds
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v2.5.2.1.1 -> v2.5.2.2 

- Al Viro: fix new_inode() allocation
- undo initcall update
- cciss driver update
parent 468e6d17
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Inline Side-by-side
Showing with 786 additions and 128 deletions
arch/arm/kernel/ecard.c
View file @ 0713f029
......@@ -1097,8 +1097,6 @@ void __init ecard_init(void)
ecard_proc_init();
}
subsys_initcall(ecard_init);
EXPORT_SYMBOL(ecard_startfind);
EXPORT_SYMBOL(ecard_find);
EXPORT_SYMBOL(ecard_readchunk);
......
arch/i386/kernel/mca.c
View file @ 0713f029
......@@ -311,8 +311,6 @@ void __init mca_init(void)
#endif
}
subsys_initcall(mca_init);
/*--------------------------------------------------------------------*/
static void mca_handle_nmi_slot(int slot, int check_flag)
......
arch/i386/vmlinux.lds
View file @ 0713f029
......@@ -48,15 +48,7 @@ SECTIONS
.setup.init : { *(.setup.init) }
__setup_end = .;
__initcall_start = .;
.initcall.init : {
*(.initcall1.init)
*(.initcall2.init)
*(.initcall3.init)
*(.initcall4.init)
*(.initcall5.init)
*(.initcall6.init)
*(.initcall7.init)
}
.initcall.init : { *(.initcall.init) }
__initcall_end = .;
. = ALIGN(4096);
__init_end = .;
......
arch/ppc/kernel/setup.c
View file @ 0713f029
......@@ -535,8 +535,6 @@ void __init ppc_init(void)
}
}
subsys_initcall(ppc_init);
/* Warning, IO base is not yet inited */
void __init setup_arch(char **cmdline_p)
{
......
drivers/block/cciss.c
View file @ 0713f029
......@@ -64,6 +64,8 @@ const struct pci_device_id cciss_pci_device_id[] = {
0x0E11, 0x4080, 0, 0, 0},
{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
0x0E11, 0x4082, 0, 0, 0},
{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
0x0E11, 0x4083, 0, 0, 0},
{0,}
};
MODULE_DEVICE_TABLE(pci, cciss_pci_device_id);
......@@ -78,6 +80,7 @@ static struct board_type products[] = {
{ 0x40700E11, "Smart Array 5300", &SA5_access },
{ 0x40800E11, "Smart Array 5i", &SA5B_access},
{ 0x40820E11, "Smart Array 532", &SA5B_access},
{ 0x40830E11, "Smart Array 5312", &SA5B_access},
};
/* How long to wait (in millesconds) for board to go into simple mode */
......@@ -102,6 +105,8 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
static int revalidate_allvol(kdev_t dev);
static int revalidate_logvol(kdev_t dev, int maxusage);
static int frevalidate_logvol(kdev_t dev);
static int deregister_disk(int ctlr, int logvol);
static int register_new_disk(kdev_t dev, int cltr);
static void cciss_getgeometry(int cntl_num);
......@@ -148,6 +153,7 @@ static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
" Memory Address: 0x%08lx\n"
" IRQ: %d\n"
" Logical drives: %d\n"
" Highest Logical Volume ID: %d\n"
" Current Q depth: %d\n"
" Max Q depth since init: %d\n"
" Max # commands on controller since init: %d\n"
......@@ -159,12 +165,15 @@ static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
(unsigned long)h->vaddr,
(unsigned int)h->intr,
h->num_luns,
h->highest_lun,
h->Qdepth, h->maxQsinceinit, h->max_outstanding, h->maxSG);
pos += size; len += size;
cciss_proc_tape_report(ctlr, buffer, &pos, &len);
for(i=0; i<h->num_luns; i++) {
for(i=0; i<h->highest_lun; i++) {
drv = &h->drv[i];
if (drv->block_size == 0)
continue;
size = sprintf(buffer+len, "cciss/c%dd%d: blksz=%d nr_blocks=%d\n",
ctlr, i, drv->block_size, drv->nr_blocks);
pos += size; len += size;
......@@ -344,9 +353,10 @@ static void cciss_geninit( int ctlr)
for(j=0; j<MAX_PART; j++)
hba[ctlr]->blocksizes[(i<<NWD_SHIFT) + j] = 1024;
hba[ctlr]->gendisk.nr_real++;
//hba[ctlr]->gendisk.nr_real++;
(BLK_DEFAULT_QUEUE(MAJOR_NR + ctlr))->hardsect_size = drv->block_size;
}
hba[ctlr]->gendisk.nr_real = hba[ctlr]->highest_lun+1;
}
/*
* Open. Make sure the device is really there.
......@@ -416,23 +426,41 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
switch(cmd) {
case HDIO_GETGEO:
{
struct hd_geometry *geo = (struct hd_geometry *)arg;
int diskinfo[4];
struct hd_geometry driver_geo;
if (hba[ctlr]->drv[dsk].cylinders) {
diskinfo[0] = hba[ctlr]->drv[dsk].heads;
diskinfo[1] = hba[ctlr]->drv[dsk].sectors;
diskinfo[2] = hba[ctlr]->drv[dsk].cylinders;
driver_geo.heads = hba[ctlr]->drv[dsk].heads;
driver_geo.sectors = hba[ctlr]->drv[dsk].sectors;
driver_geo.cylinders = hba[ctlr]->drv[dsk].cylinders;
} else {
diskinfo[0] = 0xff;
diskinfo[1] = 0x3f;
diskinfo[2] = hba[ctlr]->drv[dsk].nr_blocks / (0xff*0x3f);
}
put_user(diskinfo[0], &geo->heads);
put_user(diskinfo[1], &geo->sectors);
put_user(diskinfo[2], &geo->cylinders);
put_user(get_start_sect(inode->i_rdev), &geo->start);
return 0;
driver_geo.heads = 0xff;
driver_geo.sectors = 0x3f;
driver_geo.cylinders = hba[ctlr]->drv[dsk].nr_blocks / (0xff*0x3f);
}
driver_geo.start=
hba[ctlr]->hd[minor(inode->i_rdev)].start_sect;
if (copy_to_user((void *) arg, &driver_geo,
sizeof( struct hd_geometry)))
return -EFAULT;
return(0);
}
case HDIO_GETGEO_BIG:
{
struct hd_big_geometry driver_geo;
if (hba[ctlr]->drv[dsk].cylinders) {
driver_geo.heads = hba[ctlr]->drv[dsk].heads;
driver_geo.sectors = hba[ctlr]->drv[dsk].sectors;
driver_geo.cylinders = hba[ctlr]->drv[dsk].cylinders;
} else {
driver_geo.heads = 0xff;
driver_geo.sectors = 0x3f;
driver_geo.cylinders = hba[ctlr]->drv[dsk].nr_blocks / (0xff*0x3f);
}
driver_geo.start=
hba[ctlr]->hd[minor(inode->i_rdev)].start_sect;
if (copy_to_user((void *) arg, &driver_geo,
sizeof( struct hd_big_geometry)))
return -EFAULT;
return(0);
}
case BLKRRPART:
return revalidate_logvol(inode->i_rdev, 1);
......@@ -604,6 +632,13 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
case CCISS_REVALIDVOLS:
return( revalidate_allvol(inode->i_rdev));
case CCISS_DEREGDISK:
return( deregister_disk(ctlr,dsk));
case CCISS_REGNEWD:
{
return(register_new_disk(inode->i_rdev, ctlr));
}
case CCISS_PASSTHRU:
{
IOCTL_Command_struct iocommand;
......@@ -827,8 +862,503 @@ static int revalidate_allvol(kdev_t dev)
return 0;
}
static int deregister_disk(int ctlr, int logvol)
{
unsigned long flags;
struct gendisk *gdev = &(hba[ctlr]->gendisk);
ctlr_info_t *h = hba[ctlr];
int start, max_p, i;
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
/* make sure logical volume is NOT is use */
if( h->drv[logvol].usage_count > 1)
{
spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
return -EBUSY;
}
h->drv[logvol].usage_count++;
spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
/* invalidate the devices and deregister the disk */
max_p = 1 << gdev->minor_shift;
start = logvol << gdev->minor_shift;
for (i=max_p-1; i>=0; i--)
{
int minor = start+i;
kdev_t kdev = mk_kdev(MAJOR_NR+ctlr, minor);
// printk("invalidating( %d %d)\n", ctlr, minor);
invalidate_device(kdev, 1);
/* so open will now fail */
h->sizes[minor] = 0;
/* so it will no longer appear in /proc/partitions */
gdev->part[minor].start_sect = 0;
gdev->part[minor].nr_sects = 0;
}
/* check to see if it was the last disk */
if (logvol == h->highest_lun)
{
/* if so, find the new hightest lun */
int i, newhighest =-1;
for(i=0; i<h->highest_lun; i++)
{
/* if the disk has size > 0, it is available */
if (h->sizes[i << gdev->minor_shift] != 0)
newhighest = i;
}
h->highest_lun = newhighest;
}
--h->num_luns;
gdev->nr_real = h->highest_lun+1;
/* zero out the disk size info */
h->drv[logvol].nr_blocks = 0;
h->drv[logvol].block_size = 0;
h->drv[logvol].LunID = 0;
return(0);
}
static int sendcmd_withirq(__u8 cmd,
int ctlr,
void *buff,
size_t size,
unsigned int use_unit_num,
unsigned int log_unit,
__u8 page_code )
{
ctlr_info_t *h = hba[ctlr];
CommandList_struct *c;
u64bit buff_dma_handle;
unsigned long flags;
int return_status = IO_OK;
if ((c = cmd_alloc(h , 0)) == NULL)
{
return -ENOMEM;
}
// Fill in the command type
c->cmd_type = CMD_IOCTL_PEND;
// Fill in Command Header
c->Header.ReplyQueue = 0; // unused in simple mode
if( buff != NULL) // buffer to fill
{
c->Header.SGList = 1;
c->Header.SGTotal= 1;
} else // no buffers to fill
{
c->Header.SGList = 0;
c->Header.SGTotal= 0;
}
c->Header.Tag.lower = c->busaddr; // use the kernel address the cmd block for tag
// Fill in Request block
switch(cmd)
{
case CISS_INQUIRY:
/* If the logical unit number is 0 then, this is going
to controller so It's a physical command
mode = 0 target = 0.
So we have nothing to write.
Otherwise
mode = 1 target = LUNID
*/
if(use_unit_num != 0)
{
c->Header.LUN.LogDev.VolId=
hba[ctlr]->drv[log_unit].LunID;
c->Header.LUN.LogDev.Mode = 1;
}
if(page_code != 0)
{
c->Request.CDB[1] = 0x01;
c->Request.CDB[2] = page_code;
}
c->Request.CDBLen = 6;
c->Request.Type.Type = TYPE_CMD; // It is a command.
c->Request.Type.Attribute = ATTR_SIMPLE;
c->Request.Type.Direction = XFER_READ; // Read
c->Request.Timeout = 0; // Don't time out
c->Request.CDB[0] = CISS_INQUIRY;
c->Request.CDB[4] = size & 0xFF;
break;
case CISS_REPORT_LOG:
/* Talking to controller so It's a physical command
mode = 00 target = 0.
So we have nothing to write.
*/
c->Request.CDBLen = 12;
c->Request.Type.Type = TYPE_CMD; // It is a command.
c->Request.Type.Attribute = ATTR_SIMPLE;
c->Request.Type.Direction = XFER_READ; // Read
c->Request.Timeout = 0; // Don't time out
c->Request.CDB[0] = CISS_REPORT_LOG;
c->Request.CDB[6] = (size >> 24) & 0xFF; //MSB
c->Request.CDB[7] = (size >> 16) & 0xFF;
c->Request.CDB[8] = (size >> 8) & 0xFF;
c->Request.CDB[9] = size & 0xFF;
break;
case CCISS_READ_CAPACITY:
c->Header.LUN.LogDev.VolId=
hba[ctlr]->drv[log_unit].LunID;
c->Header.LUN.LogDev.Mode = 1;
c->Request.CDBLen = 10;
c->Request.Type.Type = TYPE_CMD; // It is a command.
c->Request.Type.Attribute = ATTR_SIMPLE;
c->Request.Type.Direction = XFER_READ; // Read
c->Request.Timeout = 0; // Don't time out
c->Request.CDB[0] = CCISS_READ_CAPACITY;
break;
default:
printk(KERN_WARNING
"cciss: Unknown Command 0x%c sent attempted\n", cmd);
cmd_free(h, c, 1);
return(IO_ERROR);
};
// Fill in the scatter gather information
if (size > 0 )
{
buff_dma_handle.val = (__u64) pci_map_single( h->pdev,
buff, size, PCI_DMA_BIDIRECTIONAL);
c->SG[0].Addr.lower = buff_dma_handle.val32.lower;
c->SG[0].Addr.upper = buff_dma_handle.val32.upper;
c->SG[0].Len = size;
c->SG[0].Ext = 0; // we are not chaining
}
/* Put the request on the tail of the queue and send it */
spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
addQ(&h->reqQ, c);
h->Qdepth++;
start_io(h);
spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
/* wait for completion */
while(c->cmd_type != CMD_IOCTL_DONE)
schedule_timeout(1);
/* unlock the buffers from DMA */
pci_unmap_single( h->pdev, (dma_addr_t) buff_dma_handle.val,
size, PCI_DMA_BIDIRECTIONAL);
if(c->err_info->CommandStatus != 0)
{ /* an error has occurred */
switch(c->err_info->CommandStatus)
{
case CMD_TARGET_STATUS:
printk(KERN_WARNING "cciss: cmd %p has "
" completed with errors\n", c);
if( c->err_info->ScsiStatus)
{
printk(KERN_WARNING "cciss: cmd %p "
"has SCSI Status = %x\n",
c,
c->err_info->ScsiStatus);
}
break;
case CMD_DATA_UNDERRUN:
case CMD_DATA_OVERRUN:
/* expected for inquire and report lun commands */
break;
case CMD_INVALID:
printk(KERN_WARNING "cciss: Cmd %p is "
"reported invalid\n", c);
return_status = IO_ERROR;
break;
case CMD_PROTOCOL_ERR:
printk(KERN_WARNING "cciss: cmd %p has "
"protocol error \n", c);
return_status = IO_ERROR;
break;
case CMD_HARDWARE_ERR:
printk(KERN_WARNING "cciss: cmd %p had "
" hardware error\n", c);
return_status = IO_ERROR;
break;
case CMD_CONNECTION_LOST:
printk(KERN_WARNING "cciss: cmd %p had "
"connection lost\n", c);
return_status = IO_ERROR;
break;
case CMD_ABORTED:
printk(KERN_WARNING "cciss: cmd %p was "
"aborted\n", c);
return_status = IO_ERROR;
break;
case CMD_ABORT_FAILED:
printk(KERN_WARNING "cciss: cmd %p reports "
"abort failed\n", c);
return_status = IO_ERROR;
break;
case CMD_UNSOLICITED_ABORT:
printk(KERN_WARNING "cciss: cmd %p aborted "
"do to an unsolicited abort\n", c);
return_status = IO_ERROR;
break;
default:
printk(KERN_WARNING "cciss: cmd %p returned "
"unknown status %x\n", c,
c->err_info->CommandStatus);
return_status = IO_ERROR;
}
}
cmd_free(h, c, 0);
return(return_status);
}
static int register_new_disk(kdev_t dev, int ctlr)
{
struct gendisk *gdev = &(hba[ctlr]->gendisk);
ctlr_info_t *h = hba[ctlr];
int start, max_p, i;
int num_luns;
int logvol;
int new_lun_found = 0;
int new_lun_index = 0;
int free_index_found = 0;
int free_index = 0;
ReportLunData_struct *ld_buff;
ReadCapdata_struct *size_buff;
InquiryData_struct *inq_buff;
int return_code;
int listlength = 0;
__u32 lunid = 0;
unsigned int block_size;
unsigned int total_size;
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
/* if we have no space in our disk array left to add anything */
if( h->num_luns >= CISS_MAX_LUN)
return -EINVAL;
ld_buff = kmalloc(sizeof(ReportLunData_struct), GFP_KERNEL);
if (ld_buff == NULL)
{
printk(KERN_ERR "cciss: out of memory\n");
return -1;
}
memset(ld_buff, 0, sizeof(ReportLunData_struct));
size_buff = kmalloc(sizeof( ReadCapdata_struct), GFP_KERNEL);
if (size_buff == NULL)
{
printk(KERN_ERR "cciss: out of memory\n");
kfree(ld_buff);
return -1;
}
inq_buff = kmalloc(sizeof( InquiryData_struct), GFP_KERNEL);
if (inq_buff == NULL)
{
printk(KERN_ERR "cciss: out of memory\n");
kfree(ld_buff);
kfree(size_buff);
return -1;
}
return_code = sendcmd_withirq(CISS_REPORT_LOG, ctlr, ld_buff,
sizeof(ReportLunData_struct), 0, 0, 0 );
if( return_code == IO_OK)
{
// printk("LUN Data\n--------------------------\n");
listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[0])) << 24;
listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[1])) << 16;
listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[2])) << 8;
listlength |= 0xff & (unsigned int)(ld_buff->LUNListLength[3]);
} else /* reading number of logical volumes failed */
{
printk(KERN_WARNING "cciss: report logical volume"
" command failed\n");
listlength = 0;
return -1;
}
num_luns = listlength / 8; // 8 bytes pre entry
if (num_luns > CISS_MAX_LUN)
{
num_luns = CISS_MAX_LUN;
}
#ifdef CCISS_DEBUG
printk(KERN_DEBUG "Length = %x %x %x %x = %d\n", ld_buff->LUNListLength[0],
ld_buff->LUNListLength[1], ld_buff->LUNListLength[2],
ld_buff->LUNListLength[3], num_luns);
#endif
for(i=0; i< num_luns; i++)
{
int j;
int lunID_found = 0;
lunid = (0xff & (unsigned int)(ld_buff->LUN[i][3])) << 24;
lunid |= (0xff & (unsigned int)(ld_buff->LUN[i][2])) << 16;
lunid |= (0xff & (unsigned int)(ld_buff->LUN[i][1])) << 8;
lunid |= 0xff & (unsigned int)(ld_buff->LUN[i][0]);
/* check to see if this is a new lun */
for(j=0; j <= h->highest_lun; j++)
{
#ifdef CCISS_DEBUG
printk("Checking %d %x against %x\n", j,h->drv[j].LunID,
lunid);
#endif /* CCISS_DEBUG */
if (h->drv[j].LunID == lunid)
{
lunID_found = 1;
break;
}
}
if( lunID_found == 1)
continue;
else
{ /* It is the new lun we have been looking for */
#ifdef CCISS_DEBUG
printk("new lun found at %d\n", i);
#endif /* CCISS_DEBUG */
new_lun_index = i;
new_lun_found = 1;
break;
}
}
if (!new_lun_found)
{
printk(KERN_WARNING "cciss: New Logical Volume not found\n");
return -1;
}
/* Now find the free index */
for(i=0; i <CISS_MAX_LUN; i++)
{
#ifdef CCISS_DEBUG
printk("Checking Index %d\n", i);
#endif /* CCISS_DEBUG */
if(hba[ctlr]->drv[i].LunID == 0)
{
#ifdef CCISS_DEBUG
printk("free index found at %d\n", i);
#endif /* CCISS_DEBUG */
free_index_found = 1;
free_index = i;
break;
}
}
if (!free_index_found)
{
printk(KERN_WARNING "cciss: unable to find free slot for disk\n");
return -1;
}
logvol = free_index;
hba[ctlr]->drv[logvol].LunID = lunid;
/* there could be gaps in lun numbers, track hightest */
if(hba[ctlr]->highest_lun < lunid)
hba[ctlr]->highest_lun = logvol;
memset(size_buff, 0, sizeof(ReadCapdata_struct));
return_code = sendcmd_withirq(CCISS_READ_CAPACITY, ctlr, size_buff,
sizeof( ReadCapdata_struct), 1, logvol, 0 );
if (return_code == IO_OK)
{
total_size = (0xff &
(unsigned int)(size_buff->total_size[0])) << 24;
total_size |= (0xff &
(unsigned int)(size_buff->total_size[1])) << 16;
total_size |= (0xff &
(unsigned int)(size_buff->total_size[2])) << 8;
total_size |= (0xff & (unsigned int)
(size_buff->total_size[3]));
total_size++; // command returns highest block address
block_size = (0xff &
(unsigned int)(size_buff->block_size[0])) << 24;
block_size |= (0xff &
(unsigned int)(size_buff->block_size[1])) << 16;
block_size |= (0xff &
(unsigned int)(size_buff->block_size[2])) << 8;
block_size |= (0xff &
(unsigned int)(size_buff->block_size[3]));
} else /* read capacity command failed */
{
printk(KERN_WARNING "cciss: read capacity failed\n");
total_size = 0;
block_size = BLOCK_SIZE;
}
printk(KERN_INFO " blocks= %d block_size= %d\n",
total_size, block_size);
/* Execute the command to read the disk geometry */
memset(inq_buff, 0, sizeof(InquiryData_struct));
return_code = sendcmd_withirq(CISS_INQUIRY, ctlr, inq_buff,
sizeof(InquiryData_struct), 1, logvol ,0xC1 );
if (return_code == IO_OK)
{
if(inq_buff->data_byte[8] == 0xFF)
{
printk(KERN_WARNING "cciss: reading geometry failed, "
"volume does not support reading geometry\n");
hba[ctlr]->drv[logvol].block_size = block_size;
hba[ctlr]->drv[logvol].nr_blocks = total_size;
hba[ctlr]->drv[logvol].heads = 255;
hba[ctlr]->drv[logvol].sectors = 32; // Sectors per track
hba[ctlr]->drv[logvol].cylinders = total_size / 255 / 32;
} else
{
hba[ctlr]->drv[logvol].block_size = block_size;
hba[ctlr]->drv[logvol].nr_blocks = total_size;
hba[ctlr]->drv[logvol].heads =
inq_buff->data_byte[6];
hba[ctlr]->drv[logvol].sectors =
inq_buff->data_byte[7];
hba[ctlr]->drv[logvol].cylinders =
(inq_buff->data_byte[4] & 0xff) << 8;
hba[ctlr]->drv[logvol].cylinders +=
inq_buff->data_byte[5];
}
}
else /* Get geometry failed */
{
printk(KERN_WARNING "cciss: reading geometry failed, "
"continuing with default geometry\n");
hba[ctlr]->drv[logvol].block_size = block_size;
hba[ctlr]->drv[logvol].nr_blocks = total_size;
hba[ctlr]->drv[logvol].heads = 255;
hba[ctlr]->drv[logvol].sectors = 32; // Sectors per track
hba[ctlr]->drv[logvol].cylinders = total_size / 255 / 32;
}
printk(KERN_INFO " heads= %d, sectors= %d, cylinders= %d\n\n",
hba[ctlr]->drv[logvol].heads,
hba[ctlr]->drv[logvol].sectors,
hba[ctlr]->drv[logvol].cylinders);
hba[ctlr]->drv[logvol].usage_count = 0;
max_p = 1 << gdev->minor_shift;
start = logvol<< gdev->minor_shift;
for(i=max_p-1; i>=0; i--) {
int minor = start+i;
kdev_t kdev = mk_kdev(MAJOR_NR + ctlr, minor);
invalidate_device(kdev, 1);
gdev->part[minor].start_sect = 0;
gdev->part[minor].nr_sects = 0;
/* reset the blocksize so we can read the partition table */
blksize_size[MAJOR_NR+ctlr][minor] = 1024;
}
++hba[ctlr]->num_luns;
gdev->nr_real = hba[ctlr]->highest_lun + 1;
/* setup partitions per disk */
grok_partitions(dev, hba[ctlr]->drv[logvol].nr_blocks);
kfree(ld_buff);
kfree(size_buff);
kfree(inq_buff);
return (logvol);
}
/*
* Wait polling for a command to complete.
* The memory mapped FIFO is polled for the completion.
......@@ -959,6 +1489,15 @@ static int sendcmd(
c->Request.Timeout = 0; // Don't time out
c->Request.CDB[0] = CCISS_READ_CAPACITY;
break;
case CCISS_CACHE_FLUSH:
c->Request.CDBLen = 12;
c->Request.Type.Type = TYPE_CMD; // It is a command.
c->Request.Type.Attribute = ATTR_SIMPLE;
c->Request.Type.Direction = XFER_WRITE; // No data
c->Request.Timeout = 0; // Don't time out
c->Request.CDB[0] = BMIC_WRITE; // BMIC Passthru
c->Request.CDB[6] = BMIC_CACHE_FLUSH;
break;
default:
printk(KERN_WARNING
"cciss: Unknown Command 0x%c sent attempted\n",
......@@ -1169,17 +1708,32 @@ static inline void complete_command( CommandList_struct *cmd, int timeout)
{ /* an error has occurred */
switch(cmd->err_info->CommandStatus)
{
unsigned char sense_key;
case CMD_TARGET_STATUS:
printk(KERN_WARNING "cciss: cmd %p has "
" completed with errors\n", cmd);
if( cmd->err_info->ScsiStatus)
status = 0;
if( cmd->err_info->ScsiStatus == 0x02)
{
printk(KERN_WARNING "cciss: cmd %p "
"has SCSI Status = %x\n",
cmd,
cmd->err_info->ScsiStatus);
"has CHECK CONDITION "
" byte 2 = 0x%x\n", cmd,
cmd->err_info->SenseInfo[2]
);
/* check the sense key */
sense_key = 0xf &
cmd->err_info->SenseInfo[2];
/* no status or recovered error */
if((sense_key == 0x0) ||
(sense_key == 0x1))
{
status = 1;
}
} else
{
printk(KERN_WARNING "cciss: cmd %p "
"has SCSI Status 0x%x\n",
cmd, cmd->err_info->ScsiStatus);
}
break;
case CMD_DATA_UNDERRUN:
printk(KERN_WARNING "cciss: cmd %p has"
......@@ -1460,6 +2014,15 @@ static void print_cfg_table( CfgTable_struct *tb)
}
#endif /* CCISS_DEBUG */
static void release_io_mem(ctlr_info_t *c)
{
/* if IO mem was not protected do nothing */
if( c->io_mem_addr == 0)
return;
release_region(c->io_mem_addr, c->io_mem_length);
c->io_mem_addr = 0;
c->io_mem_length = 0;
}
static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
{
ushort vendor_id, device_id, command;
......@@ -1496,10 +2059,42 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
&cache_line_size);
(void) pci_read_config_byte(pdev, PCI_LATENCY_TIMER,
&latency_timer);
(void) pci_read_config_dword(pdev, PCI_SUBSYSTEM_VENDOR_ID,
&board_id);
/* check to see if controller has been disabled */
if(!(command & 0x02))
{
printk(KERN_WARNING "cciss: controller appears to be disabled\n");
return(-1);
}
/* search for our IO range so we can protect it */
for(i=0; i<6; i++)
{
/* is this an IO range */
if( pdev->resource[i].flags & 0x01 )
{
c->io_mem_addr = pdev->resource[i].start;
c->io_mem_length = pdev->resource[i].end -
pdev->resource[i].start +1;
#ifdef CCISS_DEBUG
printk("IO value found base_addr[%d] %lx %lx\n", i,
c->io_mem_addr, c->io_mem_length);
#endif /* CCISS_DEBUG */
/* register the IO range */
if(!request_region( c->io_mem_addr,
c->io_mem_length, "cciss"))
{
printk(KERN_WARNING "cciss I/O memory range already in use addr=%lx length=%ld\n",
c->io_mem_addr, c->io_mem_length);
c->io_mem_addr= 0;
c->io_mem_length = 0;
}
break;
}
}
#ifdef CCISS_DEBUG
printk("vendor_id = %x\n", vendor_id);
printk("device_id = %x\n", device_id);
......@@ -1520,7 +2115,7 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
* table
*/
c->paddr = addr[0] & 0xfffffff0; /* remove the addressing mode bits */
c->paddr = addr[0] ; /* addressing mode bits already removed */
#ifdef CCISS_DEBUG
printk("address 0 = %x\n", c->paddr);
#endif /* CCISS_DEBUG */
......@@ -1617,7 +2212,7 @@ static void cciss_getgeometry(int cntl_num)
int return_code;
int i;
int listlength = 0;
int lunid = 0;
__u32 lunid = 0;
int block_size;
int total_size;
......@@ -1689,14 +2284,19 @@ static void cciss_getgeometry(int cntl_num)
ld_buff->LUNListLength[1], ld_buff->LUNListLength[2],
ld_buff->LUNListLength[3], hba[cntl_num]->num_luns);
#endif /* CCISS_DEBUG */
for(i=0; i< hba[cntl_num]->num_luns ; i++)
hba[cntl_num]->highest_lun = hba[cntl_num]->num_luns-1;
for(i=0; i< hba[cntl_num]->num_luns; i++)
{
lunid = (0xff & (unsigned int)(ld_buff->LUN[i][3])) << 24;
lunid |= (0xff & (unsigned int)(ld_buff->LUN[i][2])) << 16;
lunid |= (0xff & (unsigned int)(ld_buff->LUN[i][1])) << 8;
lunid |= 0xff & (unsigned int)(ld_buff->LUN[i][0]);
hba[cntl_num]->drv[i].LunID = lunid;
#ifdef CCISS_DEBUG
printk(KERN_DEBUG "LUN[%d]: %x %x %x %x = %x\n", i,
ld_buff->LUN[i][0], ld_buff->LUN[i][1],ld_buff->LUN[i][2],
......@@ -1729,7 +2329,8 @@ static void cciss_getgeometry(int cntl_num)
} else /* read capacity command failed */
{
printk(KERN_WARNING "cciss: read capacity failed\n");
total_size = block_size = 0;
total_size = 0;
block_size = BLOCK_SIZE;
}
printk(KERN_INFO " blocks= %d block_size= %d\n",
total_size, block_size);
......@@ -1781,6 +2382,7 @@ static void cciss_getgeometry(int cntl_num)
}
kfree(ld_buff);
kfree(size_buff);
kfree(inq_buff);
}
/* Function to find the first free pointer into our hba[] array */
......@@ -1834,6 +2436,7 @@ static int __init cciss_init_one(struct pci_dev *pdev,
memset(hba[i], 0, sizeof(ctlr_info_t));
if (cciss_pci_init(hba[i], pdev) != 0)
{
release_io_mem(hba[i]);
free_hba(i);
return (-1);
}
......@@ -1856,6 +2459,7 @@ static int __init cciss_init_one(struct pci_dev *pdev,
{
printk(KERN_ERR "cciss: Unable to get major number "
"%d for %s\n", MAJOR_NR+i, hba[i]->devname);
release_io_mem(hba[i]);
free_hba(i);
return(-1);
}
......@@ -1867,6 +2471,7 @@ static int __init cciss_init_one(struct pci_dev *pdev,
printk(KERN_ERR "ciss: Unable to get irq %d for %s\n",
hba[i]->intr, hba[i]->devname);
unregister_blkdev( MAJOR_NR+i, hba[i]->devname);
release_io_mem(hba[i]);
free_hba(i);
return(-1);
}
......@@ -1895,6 +2500,7 @@ static int __init cciss_init_one(struct pci_dev *pdev,
hba[i]->errinfo_pool_dhandle);
free_irq(hba[i]->intr, hba[i]);
unregister_blkdev(MAJOR_NR+i, hba[i]->devname);
release_io_mem(hba[i]);
free_hba(i);
printk( KERN_ERR "cciss: out of memory");
return(-1);
......@@ -1944,7 +2550,7 @@ static int __init cciss_init_one(struct pci_dev *pdev,
hba[i]->gendisk.minor_shift = NWD_SHIFT;
hba[i]->gendisk.part = hba[i]->hd;
hba[i]->gendisk.sizes = hba[i]->sizes;
hba[i]->gendisk.nr_real = hba[i]->num_luns;
hba[i]->gendisk.nr_real = hba[i]->highest_lun+1;
/* Get on the disk list */
add_gendisk(&(hba[i]->gendisk));
......@@ -1965,6 +2571,8 @@ static void __devexit cciss_remove_one (struct pci_dev *pdev)
{
ctlr_info_t *tmp_ptr;
int i;
char flush_buf[4];
int return_code;
if (pci_get_drvdata(pdev) == NULL)
{
......@@ -1979,8 +2587,16 @@ static void __devexit cciss_remove_one (struct pci_dev *pdev)
"already be removed \n");
return;
}
/* Turn board interrupts off */
hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_OFF);
/* Turn board interrupts off and send the flush cache command */
/* sendcmd will turn off interrupt, and send the flush...
* To write all data in the battery backed cache to disks */
memset(flush_buf, 0, 4);
return_code = sendcmd(CCISS_CACHE_FLUSH, i, flush_buf, 4, 0, 0, 0, NULL);
if(return_code != IO_OK)
{
printk(KERN_WARNING "Error Flushing cache on controller %d\n",
i);
}
free_irq(hba[i]->intr, hba[i]);
pci_set_drvdata(pdev, NULL);
iounmap((void*)hba[i]->vaddr);
......@@ -1996,6 +2612,7 @@ static void __devexit cciss_remove_one (struct pci_dev *pdev)
pci_free_consistent(hba[i]->pdev, NR_CMDS * sizeof( ErrorInfo_struct),
hba[i]->errinfo_pool, hba[i]->errinfo_pool_dhandle);
kfree(hba[i]->cmd_pool_bits);
release_io_mem(hba[i]);
free_hba(i);
}
......
drivers/block/cciss.h
View file @ 0713f029
......@@ -46,6 +46,8 @@ struct ctlr_info
__u32 board_id;
ulong vaddr;
__u32 paddr;
unsigned long io_mem_addr;
unsigned long io_mem_length;
CfgTable_struct *cfgtable;
int intr;
......@@ -53,6 +55,7 @@ struct ctlr_info
int commands_outstanding;
int max_outstanding; /* Debug */
int num_luns;
int highest_lun;
int usage_count; /* number of opens all all minor devices */
// information about each logical volume
......
drivers/block/cciss_cmd.h
View file @ 0713f029
......@@ -124,6 +124,12 @@ typedef struct _ReadCapdata_struct
#define CCISS_READ 0x28 // Read(10)
#define CCISS_WRITE 0x2a // Write(10)
// BMIC commands
#define BMIC_READ 0x26
#define BMIC_WRITE 0x27
#define BMIC_CACHE_FLUSH 0xc2
#define CCISS_CACHE_FLUSH 0x01 //C2 was already being used by CCISS
//Command List Structure
typedef union _SCSI3Addr_struct {
struct {
......
drivers/block/ll_rw_blk.c
View file @ 0713f029
......@@ -1709,11 +1709,7 @@ int __init blk_dev_init(void)
printk("block: %d slots per queue, batch=%d\n", queue_nr_requests, batch_requests);
blk_max_low_pfn = max_low_pfn;
#ifdef CONFIG_HIGHMEM
blk_max_pfn = max_pfn;
#else
blk_max_pfn = max_low_pfn;
#endif
#if defined(CONFIG_IDE) && defined(CONFIG_BLK_DEV_IDE)
ide_init(); /* this MUST precede hd_init */
......
drivers/dio/dio.c
View file @ 0713f029
......@@ -208,8 +208,6 @@ void __init dio_init(void)
}
}
subsys_initcall(dio_init);
/* Bear in mind that this is called in the very early stages of initialisation
* in order to get the virtual address of the serial port for the console...
*/
......
drivers/nubus/nubus.c
View file @ 0713f029
......@@ -1039,5 +1039,3 @@ void __init nubus_init(void)
nubus_proc_init();
#endif
}
subsys_initcall(nubus_init);
drivers/pci/pci.c
View file @ 0713f029
......@@ -1929,7 +1929,7 @@ pci_pool_free (struct pci_pool *pool, void *vaddr, dma_addr_t dma)
}
static int __devinit pci_init(void)
void __devinit pci_init(void)
{
struct pci_dev *dev;
......@@ -1942,7 +1942,6 @@ static int __devinit pci_init(void)
#ifdef CONFIG_PM
pm_register(PM_PCI_DEV, 0, pci_pm_callback);
#endif
return 0;
}
static int __devinit pci_setup(char *str)
......@@ -1960,8 +1959,6 @@ static int __devinit pci_setup(char *str)
return 1;
}
subsys_initcall(pci_init);
__setup("pci=", pci_setup);
EXPORT_SYMBOL(pci_read_config_byte);
......
drivers/pcmcia/ds.c
View file @ 0713f029
......@@ -966,10 +966,13 @@ int __init init_pcmcia_ds(void)
return 0;
}
late_initcall(init_pcmcia_ds);
#ifdef MODULE
int __init init_module(void)
{
return init_pcmcia_ds();
}
void __exit cleanup_module(void)
{
int i;
......
drivers/pnp/isapnp.c
View file @ 0713f029
......@@ -2356,10 +2356,13 @@ int __init isapnp_init(void)
return 0;
}
subsys_initcall(isapnp_init);
#ifdef MODULE
int init_module(void)
{
return isapnp_init();
}
void cleanup_module(void)
{
if (isapnp_detected)
......
drivers/sbus/sbus.c
View file @ 0713f029
......@@ -509,5 +509,3 @@ void __init sbus_init(void)
}
#endif
}
subsys_initcall(sbus_init);
drivers/tc/tc.c
View file @ 0713f029
......@@ -236,8 +236,6 @@ void __init tc_init(void)
}
}
subsys_initcall(tc_init);
EXPORT_SYMBOL(search_tc_card);
EXPORT_SYMBOL(claim_tc_card);
EXPORT_SYMBOL(release_tc_card);
......
drivers/zorro/zorro.c
View file @ 0713f029
......@@ -170,7 +170,6 @@ void __init zorro_init(void)
m68k_memory[i].addr+m68k_memory[i].size, 0);
}
subsys_initcall(zorro_init);
EXPORT_SYMBOL(zorro_find_device);
EXPORT_SYMBOL(zorro_unused_z2ram);
......
fs/block_dev.c
View file @ 0713f029
......@@ -220,17 +220,19 @@ static int block_fsync(struct file *filp, struct dentry *dentry, int datasync)
static struct super_block *bd_read_super(struct super_block *sb, void *data, int silent)
{
static struct super_operations sops = {};
struct inode *root = new_inode(sb);
if (!root)
return NULL;
root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR;
root->i_uid = root->i_gid = 0;
root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME;
struct inode *root;
sb->s_maxbytes = ~0ULL;
sb->s_blocksize = 1024;
sb->s_blocksize_bits = 10;
sb->s_magic = 0x62646576;
sb->s_op = &sops;
root = new_inode(sb);
if (!root)
return NULL;
root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR;
root->i_uid = root->i_gid = 0;
root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME;
sb->s_root = d_alloc(NULL, &(const struct qstr) { "bdev:", 5, 0 });
if (!sb->s_root) {
iput(root);
......
fs/devpts/inode.c
View file @ 0713f029
......@@ -139,6 +139,11 @@ struct super_block *devpts_read_super(struct super_block *s, void *data,
printk("devpts: called with bogus options\n");
goto fail_free;
}
s->u.generic_sbp = (void *) sbi;
s->s_blocksize = 1024;
s->s_blocksize_bits = 10;
s->s_magic = DEVPTS_SUPER_MAGIC;
s->s_op = &devpts_sops;
inode = new_inode(s);
if (!inode)
......@@ -153,11 +158,6 @@ struct super_block *devpts_read_super(struct super_block *s, void *data,
inode->i_fop = &devpts_root_operations;
inode->i_nlink = 2;
s->u.generic_sbp = (void *) sbi;
s->s_blocksize = 1024;
s->s_blocksize_bits = 10;
s->s_magic = DEVPTS_SUPER_MAGIC;
s->s_op = &devpts_sops;
s->s_root = d_alloc_root(inode);
if (s->s_root)
return s;
......
fs/pipe.c
View file @ 0713f029
......@@ -608,16 +608,18 @@ static struct super_operations pipefs_ops = {
static struct super_block * pipefs_read_super(struct super_block *sb, void *data, int silent)
{
struct inode *root = new_inode(sb);
struct inode *root;
sb->s_blocksize = 1024;
sb->s_blocksize_bits = 10;
sb->s_magic = PIPEFS_MAGIC;
sb->s_op = &pipefs_ops;
root = new_inode(sb);
if (!root)
return NULL;
root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR;
root->i_uid = root->i_gid = 0;
root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME;
sb->s_blocksize = 1024;
sb->s_blocksize_bits = 10;
sb->s_magic = PIPEFS_MAGIC;
sb->s_op = &pipefs_ops;
sb->s_root = d_alloc(NULL, &(const struct qstr) { "pipe:", 5, 0 });
if (!sb->s_root) {
iput(root);
......
include/linux/cciss_ioctl.h
View file @ 0713f029
......@@ -184,6 +184,11 @@ typedef struct _IOCTL_Command_struct {
#define CCISS_GETDRIVVER _IOR(CCISS_IOC_MAGIC, 9, DriverVer_type)
#define CCISS_REVALIDVOLS _IO(CCISS_IOC_MAGIC, 10)
#define CCISS_PASSTHRU _IOWR(CCISS_IOC_MAGIC, 11, IOCTL_Command_struct)
#define CCISS_DEREGDISK _IO(CCISS_IOC_MAGIC, 12)
/* no longer used... use REGNEWD instead */
#define CCISS_REGNEWDISK _IOW(CCISS_IOC_MAGIC, 13, int)
#define CCISS_REGNEWD _IO(CCISS_IOC_MAGIC, 14)
#endif
include/linux/init.h
View file @ 0713f029
......@@ -50,26 +50,8 @@ typedef void (*exitcall_t)(void);
extern initcall_t __initcall_start, __initcall_end;
/* initcalls are now grouped by functionality into separate
* subsections. Ordering inside the subsections is determined
* by link order.
* For backwards compatability, initcall() puts the call in
* the device init subsection.
*/
#define __define_initcall(level,fn) \
static initcall_t __initcall_##fn __attribute__ ((unused,__section__ (".initcall" level ".init"))) = fn
#define early_arch_initcall(fn) __define_initcall("1",fn)
#define mem_initcall(fn) __define_initcall("2",fn)
#define subsys_initcall(fn) __define_initcall("3",fn)
#define arch_initcall(fn) __define_initcall("4",fn)
#define fs_initcall(fn) __define_initcall("5",fn)
#define device_initcall(fn) __define_initcall("6",fn)
#define late_initcall(fn) __define_initcall("7",fn)
#define __initcall(fn) device_initcall(fn)
#define __initcall(fn) \
static initcall_t __initcall_##fn __init_call = fn
#define __exitcall(fn) \
static exitcall_t __exitcall_##fn __exit_call = fn
......@@ -98,7 +80,7 @@ extern struct kernel_param __setup_start, __setup_end;
#define __initdata __attribute__ ((__section__ (".data.init")))
#define __exitdata __attribute__ ((unused, __section__ (".data.exit")))
#define __initsetup __attribute__ ((unused,__section__ (".setup.init")))
#define __init_call(level) __attribute__ ((unused,__section__ (".initcall" level ".init")))
#define __init_call __attribute__ ((unused,__section__ (".initcall.init")))
#define __exit_call __attribute__ ((unused,__section__ (".exitcall.exit")))
/* For assembly routines */
......@@ -159,14 +141,6 @@ typedef void (*__cleanup_module_func_t)(void);
#define __setup(str,func) /* nothing */
#define early_arch_initcall(fn) module_init(fn)
#define mem_initcall(fn) module_init(fn)
#define subsys_initcall(fn) module_init(fn)
#define arch_initcall(fn) module_init(fn)
#define fs_initcall(fn) module_init(fn)
#define device_initcall(fn) module_init(fn)
#define late_initcall(fn) module_init(fn)
#endif
#ifdef CONFIG_HOTPLUG
......
include/linux/pci.h
View file @ 0713f029
......@@ -525,6 +525,7 @@ int pcibios_find_device (unsigned short vendor, unsigned short dev_id,
/* Generic PCI functions used internally */
void pci_init(void);
int pci_bus_exists(const struct list_head *list, int nr);
struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata);
struct pci_bus *pci_alloc_primary_bus(int bus);
......
init/main.c
View file @ 0713f029
......@@ -38,10 +38,35 @@
#include <asm/ccwcache.h>
#endif
#ifdef CONFIG_PCI
#include <linux/pci.h>
#endif
#ifdef CONFIG_DIO
#include <linux/dio.h>
#endif
#ifdef CONFIG_ZORRO
#include <linux/zorro.h>
#endif
#ifdef CONFIG_MTRR
# include <asm/mtrr.h>
#endif
#ifdef CONFIG_NUBUS
#include <linux/nubus.h>
#endif
#ifdef CONFIG_ISAPNP
#include <linux/isapnp.h>
#endif
#ifdef CONFIG_IRDA
extern int irda_proto_init(void);
extern int irda_device_init(void);
#endif
#ifdef CONFIG_X86_LOCAL_APIC
#include <asm/smp.h>
#endif
......@@ -67,8 +92,10 @@ extern void sock_init(void);
extern void fork_init(unsigned long);
extern void mca_init(void);
extern void sbus_init(void);
extern void ppc_init(void);
extern void sysctl_init(void);
extern void signals_init(void);
extern int init_pcmcia_ds(void);
extern void free_initmem(void);
......@@ -76,6 +103,8 @@ extern void free_initmem(void);
extern void tc_init(void);
#endif
extern void ecard_init(void);
#if defined(CONFIG_SYSVIPC)
extern void ipc_init(void);
#endif
......@@ -461,11 +490,50 @@ static void __init do_basic_setup(void)
/* bring up the device tree */
device_driver_init();
#ifdef CONFIG_PCI
pci_init();
#endif
#ifdef CONFIG_SBUS
sbus_init();
#endif
#if defined(CONFIG_PPC)
ppc_init();
#endif
#ifdef CONFIG_MCA
mca_init();
#endif
#ifdef CONFIG_ARCH_ACORN
ecard_init();
#endif
#ifdef CONFIG_ZORRO
zorro_init();
#endif
#ifdef CONFIG_DIO
dio_init();
#endif
#ifdef CONFIG_NUBUS
nubus_init();
#endif
#ifdef CONFIG_ISAPNP
isapnp_init();
#endif
#ifdef CONFIG_TC
tc_init();
#endif
/* Networking initialization needs a process context */
sock_init();
start_context_thread();
do_initcalls();
#ifdef CONFIG_IRDA
irda_proto_init();
irda_device_init(); /* Must be done after protocol initialization */
#endif
#ifdef CONFIG_PCMCIA
init_pcmcia_ds(); /* Do this last */
#endif
}
extern void prepare_namespace(void);
......
net/irda/af_irda.c
View file @ 0713f029
......@@ -2590,11 +2590,14 @@ int __init irda_proto_init(void)
register_netdevice_notifier(&irda_dev_notifier);
irda_init();
irda_device_init();
#ifdef MODULE
irda_device_init(); /* Called by init/main.c when non-modular */
#endif
return 0;
}
late_initcall(irda_proto_init);
#ifdef MODULE
module_init(irda_proto_init); /* If non-module, called from init/main.c */
#endif
/*
* Function irda_proto_cleanup (void)
......
net/socket.c
View file @ 0713f029
......@@ -278,16 +278,17 @@ static struct super_operations sockfs_ops = {
static struct super_block * sockfs_read_super(struct super_block *sb, void *data, int silent)
{
struct inode *root = new_inode(sb);
struct inode *root;
sb->s_blocksize = 1024;
sb->s_blocksize_bits = 10;
sb->s_magic = SOCKFS_MAGIC;
sb->s_op = &sockfs_ops;
root = new_inode(sb);
if (!root)
return NULL;
root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR;
root->i_uid = root->i_gid = 0;
root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME;
sb->s_blocksize = 1024;
sb->s_blocksize_bits = 10;
sb->s_magic = SOCKFS_MAGIC;
sb->s_op = &sockfs_ops;
sb->s_root = d_alloc(NULL, &(const struct qstr) { "socket:", 7, 0 });
if (!sb->s_root) {
iput(root);
......
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