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block: make variable and argument names more consistent

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In hd_struct, @partno is used to denote partition number and a number
of other places use @part to denote hd_struct.  Functions use @part
and @index instead.  This causes confusion and makes it difficult to
use consistent variable names for hd_struct.  Always use @partno if a
variable represents partition number.

Also, print out functions use @f or @part for seq_file argument.  Use
@seqf uniformly instead.

Signed-off-by: Tejun Heo <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Tejun Heo 2008-09-03 09:01:09 +02:00 • committed by Jens Axboe
commit cf771cb5a7
5 changed files with 60 additions and 62 deletions
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15
block/ioctl.c
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@ -15,7 +15,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
struct blkpg_ioctl_arg a;
struct blkpg_partition p;
long long start, length;
int part;
int partno;
int i;
int err;
@ -28,8 +28,8 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
disk = bdev->bd_disk;
if (bdev != bdev->bd_contains)
return -EINVAL;
part = p.pno;
if (part <= 0 || part >= disk->minors)
partno = p.pno;
if (partno <= 0 || partno >= disk->minors)
return -EINVAL;
switch (a.op) {
case BLKPG_ADD_PARTITION:
@ -59,13 +59,14 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
}
}
/* all seems OK */
err = add_partition(disk, part, start, length, ADDPART_FLAG_NONE);
err = add_partition(disk, partno, start, length,
ADDPART_FLAG_NONE);
mutex_unlock(&bdev->bd_mutex);
return err;
case BLKPG_DEL_PARTITION:
if (!disk->part[part-1])
if (!disk->part[partno - 1])
return -ENXIO;
bdevp = bdget_disk(disk, part);
bdevp = bdget_disk(disk, partno);
if (!bdevp)
return -ENOMEM;
mutex_lock(&bdevp->bd_mutex);
@ -79,7 +80,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
invalidate_bdev(bdevp);
mutex_lock_nested(&bdev->bd_mutex, 1);
delete_partition(disk, part);
delete_partition(disk, partno);
mutex_unlock(&bdev->bd_mutex);
mutex_unlock(&bdevp->bd_mutex);
bdput(bdevp);