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Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull <linux/device.h> avoidance patches from Paul Gortmaker:
"Nearly every subsystem has some kind of header with a proto like:
void foo(struct device *dev);
and yet there is no reason for most of these guys to care about the
sub fields within the device struct. This allows us to significantly
reduce the scope of headers including headers. For this instance, a
reduction of about 40% is achieved by replacing the include with the
simple fact that the device is some kind of a struct.
Unlike the much larger module.h cleanup, this one is simply two
commits. One to fix the implicit <linux/device.h> users, and then one
to delete the device.h includes from the linux/include/ dir wherever
possible."
* tag 'device-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
device.h: audit and cleanup users in main include dir
device.h: cleanup users outside of linux/include (C files)
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The <linux/device.h> header includes a lot of stuff, and
it in turn gets a lot of use just for the basic "struct device"
which appears so often.
Clean up the users as follows:
1) For those headers only needing "struct device" as a pointer
in fcn args, replace the include with exactly that.
2) For headers not really using anything from device.h, simply
delete the include altogether.
3) For headers relying on getting device.h implicitly before
being included themselves, now explicitly include device.h
4) For files in which doing #1 or #2 uncovers an implicit
dependency on some other header, fix by explicitly adding
the required header(s).
Any C files that were implicitly relying on device.h to be
present have already been dealt with in advance.
Total removals from #1 and #2: 51. Total additions coming
from #3: 9. Total other implicit dependencies from #4: 7.
As of 3.3-rc1, there were 110, so a net removal of 42 gives
about a 38% reduction in device.h presence in include/*
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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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>
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In principle, cdrom just needs to pass through ->check_events() but
CDROM_MEDIA_CHANGED ioctl makes things a bit more complex. Just as
with ->media_changed() support, cdrom code needs to buffer the events
and serve them to ioctl and vfs as requested.
As the code has to deal with both ->check_events() and
->media_changed(), and vfs and ioctl event buffering, this patch adds
check_events caching on top of the existing cdi->mc_flags buffering.
It may be a good idea to deprecate CDROM_MEDIA_CHANGED ioctl and
remove all this mess.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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fix the following 'make headers_check' warning:
usr/include/linux/cdrom.h:155: found __[us]{8,16,32,64} type without #include <linux/types.h>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
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... convert to it in callers
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Now unregister_cdrom() always returns 0.
Make it return void and update all callers that check the return value.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Use list_head for cdrom_device_info list instead of opencoded
singly list handling.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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* Move lba_to_msf() and msf_to_lba() to <linux/cdrom.h>
(use 'u8' type instead of 'byte' while at it).
* Remove msf_to_lba() copy from drivers/cdrom/cdrom.c.
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add GPCMD_* constants for READ_BUFFER, WRITE_12 and WRITE_BUFFER for
completeness. These will be used libata.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Typo: depricated -> deprecated
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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* Convert files to UTF-8.
* Also correct some people's names
(one example is Eißfeldt, which was found in a source file.
Given that the author used an ß at all in a source file
indicates that the real name has in fact a 'ß' and not an 'ss',
which is commonly used as a substitute for 'ß' when limited to
7bit.)
* Correct town names (Goettingen -> Göttingen)
* Update Eberhard Mönkeberg's address (http://lkml.org/lkml/2007/1/8/313)
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix 23 of these sparse warnings on x86_64 allmodconfig:
include/linux/cdrom.h:942:19: error: dubious bitfield without explicit
`signed' or `unsigned'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Since early 2.4.x all cdrom drivers implement the block_device methods
themselves, so they can handle additional ioctls directly instead of going
through the cdrom layer.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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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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