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cdrom: move shared static to cdrom_device_info

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The keeplocked variable in the cdrom driver is shared across multiple
drives, but set in per-device ioctls.  Move it to the per-device struct,
avoiding that the setting on one drive affects the driver's behavior
when closing another.

[ Impact: limit udev's confusion to one drive when a CD burning program
  unlocks the CD door at the end of burning. ]

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Paolo Bonzini 2012-02-08 20:03:14 +01:00 • committed by Jens Axboe
parent 37b40adf2d
commit cdccaa9467
2 changed files with 7 additions and 8 deletions
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3
include/linux/cdrom.h
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@ -952,7 +952,8 @@ struct cdrom_device_info {
char name[20]; /* name of the device type */
/* per-device flags */
__u8 sanyo_slot : 2; /* Sanyo 3 CD changer support */
__u8 reserved : 6; /* not used yet */
__u8 keeplocked : 1; /* CDROM_LOCKDOOR status */
__u8 reserved : 5; /* not used yet */
int cdda_method; /* see flags */
__u8 last_sense;
__u8 media_written; /* dirty flag, DVD+RW bookkeeping */