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The patch below makes several functions in cdrom.c static.
This includes cdrom_is_mrw and cdrom_is_random_writable which were
EXPORT_SYMBOL'ed but weren't used anywhere outside of cdrom.h .
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Patch is from Daniel Drake <dsd@gentoo.org>
Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch implements CDRW packet writing as a kernel block device. Usage
instructions are in the packet-writing.txt file.
A hint: If you don't want to wait for a complete disc format, you can
format just a part of the disc. For example:
cdrwtool -d /dev/hdc -m 10240
This will format 10240 blocks, ie 20MB.
Signed-off-by: Peter Osterlund <petero2@telia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch adds support for using DVD+RW drives as writable block devices.
The patch is based on work from:
Andy Polyakov <appro@fy.chalmers.se> - Wrote the 2.4 patch
Nigel Kukard <nkukard@lbsd.net> - Initial porting to 2.6.x
It works for me using an Iomega Super DVD 8x USB drive.
Nov 5 2001, Aug 8 2002. Modified by Andy Polyakov
<appro@fy.chalmers.se> to support MMC-3 complaint DVD+RW units.
Modified by Nigel Kukard <nkukard@lbsd.net> - support DVD+RW
2.4.x patch by Andy Polyakov <appro@fy.chalmers.se>
This patch implements CDRW packet writing as a kernel block device. Usage
instructions are in the packet-writing.txt file.
A hint: If you don't want to wait for a complete disc format, you can
format just a part of the disc. For example:
cdrwtool -d /dev/hdc -m 10240
This will format 10240 blocks, ie 20MB.
Signed-off-by: Peter Osterlund <petero2@telia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Here's a better table of acceptable commands, I've added some more
commands. Should be pretty complete from the cd/dvd side now.
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They'll need it for permission checking.
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several pointers in ioctl structures marked as userland ones.
And that's it with this patchset. A couple more of those and we'll
be done with the noise warnings ;-)
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The kernel instance (packet_command) has kernel pointers, userland one -
__user ones. Surprise.
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This patch is from Iomega, and it allows random write opens of CDROM's
that support the feature.
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This small patch builds on top of the blk_rq_map_user() patch just sent,
and enables us to easily support DMA for CDROMREADAUDIO cdda extraction.
It's quite amazing how much cool stuff you can with the new block layer
:-)
Patch has intelligent fall back from multi frame dma to single frame
dma, and further to old-style pio ripping in case of hardware problems.
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From: Jens Axboe <axboe@suse.de>
It's from Pascal Schmidt and adds write protect handling to ide-cd along
with support for non-2kb block sizes.
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From: Jens Axboe <axboe@suse.de>
Following patch adds mt rainier support to the cdrom uniform layer (it
works with atapi and scsi/usb).
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From: Pascal Schmidt <der.eremit@email.de>
Add capability flag for MO drives. Since ATAPI MOs are now recognized
by the ide-cd driver, it is useful to have a capability flag to be able
to tell MO drives from other drives (needed for later write support).
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Now that devfs_handle_t is gone from all structs there is no
reason to include it in headers.
Fix the fallout by including previously implicit headers and fixing
the drivers that didn't include devfs_fs_kernel.h explicitly.
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This patch provides the following spelling fixes.
compatable -> compatible
compatability -> compatibility
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cdrom_open(), cdrom_release(), cdrom_ioctl() and cdrom_media_changed()
got an additional argument - struct cdrom_device_info *. Drivers that used
to have them as methods are using wrappers that pass right cdrom_device_info.
Existing callers (in ide-cd.c) updated. pcd.c, mcdx.c, sbpcd.c and sr.c
got ->private_data in their disks pointing to relevant objects. Since all
callers of cdrom_find_device() are gone, it got removed. Since all users
of cdrom_device_info->dev are gone, it's not set anymore (and got removed).
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* disk->disk_dev is initialized in alloc_disk(), device_add()'d in
add_disk(), device_del()'d in unregister_disk() and device_put() in
put_disk().
* devices of partitions are made its children.
* attributes of disk one: dev (dev_t of the thing), range (number of
minors) and size (in sectors).
* attributes of partition ones: dev (ditto), start (in sectors) and
size (in sectors).
* disk devices are put on a new bus - "block"
* if caller of add_disk() had set disk->driverfs_dev, we set symlinks:
"device" from disk to underlying device and "block" from underlying
device to disk.
* ->release() of disk_dev frees disk and disk->part.
At that point we have sane driverfs subtree for each gendisk and
refcount of its root (disk->disk_dev) can act as gendisk refcount.
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devfs-related stuff moved from cdrom.c and cdrom drivers to register_disk();
new flag (GENHD_FL_CD) marks gendisks that need such treatment.
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into home.transmeta.com:/home/torvalds/v2.5/linux
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* Bunch of functions in cdrom.c used to get kdev_t and use it
only to do cdrom_find_device(dev), even though their callers already
had struct cdrom_device_info * in question. Switched to passing
said pointer directly.
* useless exports removed; stuff not used outside of cdrom.c
made static.
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- Davide Libenzi: nicer timeslices for scheduler
- Arnaldo: wd7000 scsi driver cleanups and bio update
- Greg KH: USB update (including initial 2.0 support)
- me: strict typechecking on "kdev_t"
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- Michael Warfield: computone serial driver update
- Alexander Viro: cdrom module race fixes
- David Miller: Acenic driver fix
- Andrew Grover: ACPI update
- Kai Germaschewski: ISDN update
- Tim Waugh: parport update
- David Woodhouse: JFFS garbage collect sleep
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- Andreas Dilger: various ext2 cleanups
- Richard Gooch: devfs update
- Johannes Erdfelt: USB updates
- Alan Cox: merges
- David Miller: fix SMP pktsched bootup deadlock (CONFIG_NET_SCHED)
- Roman Zippel: AFFS update
- Anton Altaparmakov: NTFS update
- me: fix races in vfork() (semaphores are not good completion handlers)
- Jeff Garzik: net driver updates, sysvfs update
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- Ingo Molnar/Al Viro: don't use bforget() on ext2 (and minix) metadata
where we may not be the only owner of the buffer! FS corruption.
- Andi Kleen: IPv6 packet re-assembly fix.
- David Howells: fix up rwsem implementation
- Alan Cox: more merging (S/390 down, ARM to go).
- Jens Axboe: LVM and loop fixes
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- more bugs found by the automatic stanford checker, yay!
- Andrew Morton: fix SAK locking bugs by moving it into a process context
- Johannes Erdfelt: USB updates
- Jeff Garzik: merge Hermes driver by David Gibson
- Jens Axboe: cdrom merges, ll_rw_blk proper accounting
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