ide-floppy: factor out ioctl handlers from idefloppy_ioctl()
By passing idefloppy_floppy_t *floppy to the factored out functions, we get rid of (almost) all local vars so stack usage should be at minimum here. Also, we merge idefloppy_begin_format() into idefloppy_format_start() since it is its only user. Also, rename idefloppy_format_start() to idefloppy_format_unit(). Finally, rename the reworked functions to ide_floppy..(). Bart - minor CodingStyle fixup Signed-off-by: NBorislav Petkov <bbpetkov@yahoo.de> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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