X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fblock%2Ffloppy.c;h=d23b54332d7ea3b551ae08fcbd6c5cecb738ec76;hb=292dd876ee765c478b27c93cc51e93a558ed58bf;hp=28002de783b62cabd88e2c779501afda5a2d7dd9;hpb=969780f8079994f161de991870feba68f49fc3d7;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 28002de783b..d23b54332d7 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -97,6 +97,10 @@
  * features to asm/floppy.h.
  */
 
+/*
+ * 1998/1/21 -- Richard Gooch <rgooch@atnf.csiro.au> -- devfs support
+ */
+
 /*
  * 1998/05/07 -- Russell King -- More portability cleanups; moved definition of
  * interrupt and dma channel to asm/floppy.h. Cleaned up some formatting &
@@ -158,10 +162,6 @@ static int print_unex = 1;
 #define FDPATCHES
 #include <linux/fdreg.h>
 
-/*
- * 1998/1/21 -- Richard Gooch <rgooch@atnf.csiro.au> -- devfs support
- */
-
 #include <linux/fd.h>
 #include <linux/hdreg.h>
 
@@ -242,7 +242,6 @@ static int allowed_drive_mask = 0x33;
 
 static int irqdma_allocated;
 
-#define LOCAL_END_REQUEST
 #define DEVICE_NAME "floppy"
 
 #include <linux/blkdev.h>
@@ -479,7 +478,6 @@ static struct floppy_struct floppy_type[32] = {
 	{ 3200,20,2,80,0,0x1C,0x00,0xCF,0x2C,"H1600" }, /* 31 1.6MB 3.5"    */
 };
 
-#define	NUMBER(x)	(sizeof(x) / sizeof(*(x)))
 #define SECTSIZE (_FD_SECTSIZE(*floppy))
 
 /* Auto-detection: Disk type used until the next media change occurs. */
@@ -2301,7 +2299,7 @@ static void floppy_end_request(struct request *req, int uptodate)
 	add_disk_randomness(req->rq_disk);
 	floppy_off((long)req->rq_disk->private_data);
 	blkdev_dequeue_request(req);
-	end_that_request_last(req);
+	end_that_request_last(req, uptodate);
 
 	/* We're done with the request */
 	current_req = NULL;
@@ -3445,6 +3443,23 @@ static int get_floppy_geometry(int drive, int type, struct floppy_struct **g)
 	return 0;
 }
 
+static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
+{
+	int drive = (long)bdev->bd_disk->private_data;
+	int type = ITYPE(drive_state[drive].fd_device);
+	struct floppy_struct *g;
+	int ret;
+
+	ret = get_floppy_geometry(drive, type, &g);
+	if (ret)
+		return ret;
+
+	geo->heads = g->head;
+	geo->sectors = g->sect;
+	geo->cylinders = g->track;
+	return 0;
+}
+
 static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 		    unsigned long param)
 {
@@ -3474,23 +3489,6 @@ static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 		cmd = FDEJECT;
 	}
 
-	/* generic block device ioctls */
-	switch (cmd) {
-		/* the following have been inspired by the corresponding
-		 * code for other block devices. */
-		struct floppy_struct *g;
-	case HDIO_GETGEO:
-		{
-			struct hd_geometry loc;
-			ECALL(get_floppy_geometry(drive, type, &g));
-			loc.heads = g->head;
-			loc.sectors = g->sect;
-			loc.cylinders = g->track;
-			loc.start = 0;
-			return _COPYOUT(loc);
-		}
-	}
-
 	/* convert the old style command into a new style command */
 	if ((cmd & 0xff00) == 0x0200) {
 		ECALL(normalize_ioctl(&cmd, &size));
@@ -3645,7 +3643,7 @@ static void __init config_types(void)
 		const char *name = NULL;
 		static char temparea[32];
 
-		if (type < NUMBER(default_drive_params)) {
+		if (type < ARRAY_SIZE(default_drive_params)) {
 			params = &default_drive_params[type].params;
 			if (type) {
 				name = default_drive_params[type].name;
@@ -3714,12 +3712,6 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		USETF(FD_VERIFY);
 	}
 
-	/* set underlying gendisk policy to reflect real ro/rw status */
-	if (UTESTF(FD_DISK_WRITABLE))
-		inode->i_bdev->bd_disk->policy = 0;
-	else
-		inode->i_bdev->bd_disk->policy = 1;
-
 	if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (filp->f_flags & O_EXCL)))
 		goto out2;
 
@@ -3944,6 +3936,7 @@ static struct block_device_operations floppy_fops = {
 	.open		= floppy_open,
 	.release	= floppy_release,
 	.ioctl		= fd_ioctl,
+	.getgeo		= fd_getgeo,
 	.media_changed	= check_floppy_change,
 	.revalidate_disk = floppy_revalidate,
 };
@@ -3966,7 +3959,7 @@ static void __init register_devfs_entries(int drive)
 {
 	int base_minor = (drive < 4) ? drive : (124 + drive);
 
-	if (UDP->cmos < NUMBER(default_drive_params)) {
+	if (UDP->cmos < ARRAY_SIZE(default_drive_params)) {
 		int i = 0;
 		do {
 			int minor = base_minor + (table_sup[UDP->cmos][i] << 2);
@@ -4224,7 +4217,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
 	    !(allowed_drive_mask & (1 << drive)) ||
 	    fdc_state[FDC(drive)].version == FDC_NONE)
 		return NULL;
-	if (((*part >> 2) & 0x1f) >= NUMBER(floppy_type))
+	if (((*part >> 2) & 0x1f) >= ARRAY_SIZE(floppy_type))
 		return NULL;
 	*part = 0;
 	return get_disk(disks[drive]);
@@ -4576,7 +4569,7 @@ static void unregister_devfs_entries(int drive)
 {
 	int i;
 
-	if (UDP->cmos < NUMBER(default_drive_params)) {
+	if (UDP->cmos < ARRAY_SIZE(default_drive_params)) {
 		i = 0;
 		do {
 			devfs_remove("floppy/%d%s", drive,