diff options
Diffstat (limited to 'drivers/ide')
-rw-r--r-- | drivers/ide/ide-cd.c | 10 | ||||
-rw-r--r-- | drivers/ide/ide-disk.c | 12 | ||||
-rw-r--r-- | drivers/ide/ide-floppy.c | 12 | ||||
-rw-r--r-- | drivers/ide/ide-io.c | 42 | ||||
-rw-r--r-- | drivers/ide/ide-probe.c | 2 | ||||
-rw-r--r-- | drivers/ide/ide.c | 13 | ||||
-rw-r--r-- | drivers/ide/legacy/hd.c | 24 | ||||
-rw-r--r-- | drivers/ide/pci/serverworks.c | 2 | ||||
-rw-r--r-- | drivers/ide/ppc/pmac.c | 6 |
9 files changed, 73 insertions, 50 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index d31117eb95a..e4d55ad32d2 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1332,8 +1332,6 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block) if (cdrom_read_from_buffer(drive)) return ide_stopped; - blk_attempt_remerge(drive->queue, rq); - /* Clear the local sector buffer. */ info->nsectors_buffered = 0; @@ -1874,14 +1872,6 @@ static ide_startstop_t cdrom_start_write(ide_drive_t *drive, struct request *rq) return ide_stopped; } - /* - * for dvd-ram and such media, it's a really big deal to get - * big writes all the time. so scour the queue and attempt to - * remerge requests, often the plugging will not have had time - * to do this properly - */ - blk_attempt_remerge(drive->queue, rq); - info->nsectors_buffered = 0; /* use dma, if possible. we don't need to check more, since we diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 4b441720b6b..cab362ea033 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -1130,6 +1130,17 @@ static int idedisk_release(struct inode *inode, struct file *filp) return 0; } +static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo) +{ + struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk); + ide_drive_t *drive = idkp->drive; + + geo->heads = drive->bios_head; + geo->sectors = drive->bios_sect; + geo->cylinders = (u16)drive->bios_cyl; /* truncate */ + return 0; +} + static int idedisk_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { @@ -1164,6 +1175,7 @@ static struct block_device_operations idedisk_ops = { .open = idedisk_open, .release = idedisk_release, .ioctl = idedisk_ioctl, + .getgeo = idedisk_getgeo, .media_changed = idedisk_media_changed, .revalidate_disk= idedisk_revalidate_disk }; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index fba3fffc2d6..5945f551aaa 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -2031,6 +2031,17 @@ static int idefloppy_release(struct inode *inode, struct file *filp) return 0; } +static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo) +{ + struct ide_floppy_obj *floppy = ide_floppy_g(bdev->bd_disk); + ide_drive_t *drive = floppy->drive; + + geo->heads = drive->bios_head; + geo->sectors = drive->bios_sect; + geo->cylinders = (u16)drive->bios_cyl; /* truncate */ + return 0; +} + static int idefloppy_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { @@ -2120,6 +2131,7 @@ static struct block_device_operations idefloppy_ops = { .open = idefloppy_open, .release = idefloppy_release, .ioctl = idefloppy_ioctl, + .getgeo = idefloppy_getgeo, .media_changed = idefloppy_media_changed, .revalidate_disk= idefloppy_revalidate_disk }; diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index b5dc6df8e67..dea2d4dcc69 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -55,9 +55,22 @@ #include <asm/io.h> #include <asm/bitops.h> +void ide_softirq_done(struct request *rq) +{ + request_queue_t *q = rq->q; + + add_disk_randomness(rq->rq_disk); + end_that_request_chunk(rq, rq->errors, rq->data_len); + + spin_lock_irq(q->queue_lock); + end_that_request_last(rq, rq->errors); + spin_unlock_irq(q->queue_lock); +} + int __ide_end_request(ide_drive_t *drive, struct request *rq, int uptodate, int nr_sectors) { + unsigned int nbytes; int ret = 1; BUG_ON(!(rq->flags & REQ_STARTED)); @@ -81,17 +94,28 @@ int __ide_end_request(ide_drive_t *drive, struct request *rq, int uptodate, HWGROUP(drive)->hwif->ide_dma_on(drive); } - if (!end_that_request_first(rq, uptodate, nr_sectors)) { - add_disk_randomness(rq->rq_disk); - - if (blk_rq_tagged(rq)) - blk_queue_end_tag(drive->queue, rq); - + /* + * For partial completions (or non fs/pc requests), use the regular + * direct completion path. + */ + nbytes = nr_sectors << 9; + if (rq_all_done(rq, nbytes)) { + rq->errors = uptodate; + rq->data_len = nbytes; blkdev_dequeue_request(rq); HWGROUP(drive)->rq = NULL; - end_that_request_last(rq, uptodate); + blk_complete_request(rq); ret = 0; + } else { + if (!end_that_request_first(rq, uptodate, nr_sectors)) { + add_disk_randomness(rq->rq_disk); + blkdev_dequeue_request(rq); + HWGROUP(drive)->rq = NULL; + end_that_request_last(rq, uptodate); + ret = 0; + } } + return ret; } EXPORT_SYMBOL(__ide_end_request); @@ -113,6 +137,10 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors) unsigned long flags; int ret = 1; + /* + * room for locking improvements here, the calls below don't + * need the queue lock held at all + */ spin_lock_irqsave(&ide_lock, flags); rq = HWGROUP(drive)->rq; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 02167a5b751..1ddaa71a8f4 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1011,6 +1011,8 @@ static int ide_init_queue(ide_drive_t *drive) blk_queue_max_hw_segments(q, max_sg_entries); blk_queue_max_phys_segments(q, max_sg_entries); + blk_queue_softirq_done(q, ide_softirq_done); + /* assign drive queue */ drive->queue = q; diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 4b524f6b3ec..b069b13b75a 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -1278,19 +1278,6 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device up(&ide_setting_sem); switch (cmd) { - case HDIO_GETGEO: - { - struct hd_geometry geom; - if (!p || (drive->media != ide_disk && drive->media != ide_floppy)) return -EINVAL; - geom.heads = drive->bios_head; - geom.sectors = drive->bios_sect; - geom.cylinders = (u16)drive->bios_cyl; /* truncate */ - geom.start = get_start_sect(bdev); - if (copy_to_user(p, &geom, sizeof(struct hd_geometry))) - return -EFAULT; - return 0; - } - case HDIO_OBSOLETE_IDENTITY: case HDIO_GET_IDENTITY: if (bdev != bdev->bd_contains) diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c index 242029c9c0c..6439dec6688 100644 --- a/drivers/ide/legacy/hd.c +++ b/drivers/ide/legacy/hd.c @@ -658,22 +658,14 @@ static void do_hd_request (request_queue_t * q) enable_irq(HD_IRQ); } -static int hd_ioctl(struct inode * inode, struct file * file, - unsigned int cmd, unsigned long arg) +static int hd_getgeo(struct block_device *bdev, struct hd_geometry *geo) { - struct hd_i_struct *disk = inode->i_bdev->bd_disk->private_data; - struct hd_geometry __user *loc = (struct hd_geometry __user *) arg; - struct hd_geometry g; - - if (cmd != HDIO_GETGEO) - return -EINVAL; - if (!loc) - return -EINVAL; - g.heads = disk->head; - g.sectors = disk->sect; - g.cylinders = disk->cyl; - g.start = get_start_sect(inode->i_bdev); - return copy_to_user(loc, &g, sizeof g) ? -EFAULT : 0; + struct hd_i_struct *disk = bdev->bd_disk->private_data; + + geo->heads = disk->head; + geo->sectors = disk->sect; + geo->cylinders = disk->cyl; + return 0; } /* @@ -695,7 +687,7 @@ static irqreturn_t hd_interrupt(int irq, void *dev_id, struct pt_regs *regs) } static struct block_device_operations hd_fops = { - .ioctl = hd_ioctl, + .getgeo = hd_getgeo, }; /* diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index ff2e217a8c8..0d3073f4eab 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -69,7 +69,7 @@ static int check_in_drive_lists (ide_drive_t *drive, const char **list) static u8 svwks_ratemask (ide_drive_t *drive) { struct pci_dev *dev = HWIF(drive)->pci_dev; - u8 mode; + u8 mode = 0; if (!svwks_revision) pci_read_config_byte(dev, PCI_REVISION_ID, &svwks_revision); diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 16b28357885..5013b1285e2 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -1271,7 +1271,7 @@ static int pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif) { struct device_node *np = pmif->node; - int *bidp, i; + int *bidp; pmif->cable_80 = 0; pmif->broken_dma = pmif->broken_dma_warn = 0; @@ -1430,7 +1430,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) pmif = &pmac_ide[i]; hwif = &ide_hwifs[i]; - if (mdev->ofdev.node->n_addrs == 0) { + if (macio_resource_count(mdev) == 0) { printk(KERN_WARNING "ide%d: no address for %s\n", i, mdev->ofdev.node->full_name); return -ENXIO; @@ -1686,7 +1686,7 @@ pmac_ide_probe(void) #else macio_register_driver(&pmac_ide_macio_driver); pci_register_driver(&pmac_ide_pci_driver); -#endif +#endif } #ifdef CONFIG_BLK_DEV_IDEDMA_PMAC |