提交 bcd039b2 编写于 作者: L Linus Torvalds
/*
* linux/drivers/block/as-iosched.c
*
* Anticipatory & deadline i/o scheduler.
*
* Copyright (C) 2002 Jens Axboe <axboe@suse.de>
......
/*
* linux/drivers/block/cfq-iosched.c
*
* CFQ, or complete fairness queueing, disk scheduler.
*
* Based on ideas from a previously unfinished io
......
/*
* linux/drivers/block/deadline-iosched.c
*
* Deadline i/o scheduler.
*
* Copyright (C) 2002 Jens Axboe <axboe@suse.de>
......
/*
* linux/drivers/block/elevator.c
*
* Block device elevator/IO-scheduler.
*
* Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
......
/*
* linux/drivers/block/ll_rw_blk.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 1994, Karl Keyte: Added support for disk statistics
* Elevator latency, (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
......
......@@ -1017,10 +1017,11 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
status = -ENOMEM;
goto cleanup1;
}
if (ioc->Request.Type.Direction == XFER_WRITE &&
copy_from_user(buff[sg_used], data_ptr, sz)) {
if (ioc->Request.Type.Direction == XFER_WRITE) {
if (copy_from_user(buff[sg_used], data_ptr, sz)) {
status = -ENOMEM;
goto cleanup1;
}
} else {
memset(buff[sg_used], 0, sz);
}
......@@ -1138,8 +1139,15 @@ static int revalidate_allvol(ctlr_info_t *host)
for(i=0; i< NWD; i++) {
struct gendisk *disk = host->gendisk[i];
if (disk) {
request_queue_t *q = disk->queue;
if (disk->flags & GENHD_FL_UP)
del_gendisk(disk);
if (q)
blk_cleanup_queue(q);
put_disk(disk);
}
}
/*
......@@ -1453,10 +1461,13 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
* allows us to delete disk zero but keep the controller registered.
*/
if (h->gendisk[0] != disk){
if (disk->flags & GENHD_FL_UP){
blk_cleanup_queue(disk->queue);
if (disk) {
request_queue_t *q = disk->queue;
if (disk->flags & GENHD_FL_UP)
del_gendisk(disk);
drv->queue = NULL;
if (q)
blk_cleanup_queue(q);
put_disk(disk);
}
}
......@@ -3225,9 +3236,14 @@ static void __devexit cciss_remove_one (struct pci_dev *pdev)
/* remove it from the disk list */
for (j = 0; j < NWD; j++) {
struct gendisk *disk = hba[i]->gendisk[j];
if (disk->flags & GENHD_FL_UP) {
if (disk) {
request_queue_t *q = disk->queue;
if (disk->flags & GENHD_FL_UP)
del_gendisk(disk);
blk_cleanup_queue(disk->queue);
if (q)
blk_cleanup_queue(q);
put_disk(disk);
}
}
......
......@@ -10,8 +10,8 @@
typedef struct _cciss_pci_info_struct
{
unsigned char bus;
unsigned short domain;
unsigned char dev_fn;
unsigned short domain;
__u32 board_id;
} cciss_pci_info_struct;
......
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