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* pktcdvd: port block device access to fileChristian Brauner2024-02-251-2/+2
| | | | | | Link: https://lore.kernel.org/r/20240123-vfs-bdev-file-v2-9-adbd023e19cc@kernel.org Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
* pktcdvd: Convert to bdev_open_by_dev()Jan Kara2023-10-281-1/+3
| | | | | | | | | | Convert pktcdvd to use bdev_open_by_dev(). Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-5-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
* pktcdvd: Get rid of custom printing macrosAndy Shevchenko2023-06-071-1/+0
| | | | | | | | | | We may use traditional dev_*() macros instead of custom ones provided by the driver. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20230310164549.22133-2-andriy.shevchenko@linux.intel.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
* Revert "pktcdvd: remove driver."Jens Axboe2023-01-041-0/+197
| | | | | | | | | | | | This reverts commit f40eb99897af665f11858dd7b56edcb62c3f3c67. There are apparently still users out there of this driver. While we'd love to remove it to ease the maintenance burden, let's reinstate it for now until better (userspace) solutions can be developed. Link: https://lore.kernel.org/lkml/20230104190115.ceglfefco475ev6c@pali/ Reported-by: Pali Rohár <pali@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* pktcdvd: remove driver.Greg Kroah-Hartman2022-12-021-197/+0
| | | | | | | | | | | | | | | | Way back in 2016 in commit 5a8b187c61e9 ("pktcdvd: mark as unmaintained and deprecated") this driver was marked as "will be removed soon". 5 years seems long enough to have it stick around after that, so finally remove the thing now. Reported-by: Christoph Hellwig <hch@infradead.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: Thomas Maier <balagi@justmail.de> Cc: Peter Osterlund <petero2@telia.com> Cc: linux-block@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20221202182758.1339039-1-gregkh@linuxfoundation.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
* pktcdvd: convert to use attribute groupsGreg Kroah-Hartman2022-01-031-10/+0
| | | | | | | | | | | | | | There is no need to create kobject children of the pktcdvd device just to display a subdirectory name. Instead, use a named attribute group which removes the extra kobjects and also fixes the userspace race where the device is created yet tools like libudev can not see the attributes as they think the subdirectories are some other sort of device. Cc: linux-block@vger.kernel.org Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20220103162408.742003-1-gregkh@linuxfoundation.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
* pktdvd: stop using bdi congestion framework.NeilBrown2021-12-091-0/+2
| | | | | | | | | | | | | | | | | | | | | | The bdi congestion framework isn't widely used and should be deprecated. pktdvd makes use of it to track congestion, but this can be done entirely internally to pktdvd, so it doesn't need to use the framework. So introduce a "congested" flag. When waiting for bio_queue_size to drop, set this flag and a var_waitqueue() to wait for it. When bio_queue_size does drop and this flag is set, clear the flag and call wake_up_var(). We don't use a wait_var_event macro for the waiting as we need to set the flag and drop the spinlock before calling schedule() and while that is possible with __wait_var_event(), result is not easy to read. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: NeilBrown <neilb@suse.de> Link: https://lore.kernel.org/r/163910843527.9928.857338663717630212@noble.neil.brown.name Signed-off-by: Jens Axboe <axboe@kernel.dk>
* pktcdvd: convert to bioset_init()/mempool_init()Kent Overstreet2018-05-301-1/+1
| | | | | | | Convert pktcdvd to embedded bio sets. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* UAPI: (Scripted) Disintegrate include/linuxDavid Howells2012-10-131-98/+1
| | | | | | | | | 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>
* pktcdvd: use BIO list management functionsAkinobu Mita2010-02-241-6/+4
| | | | | | | | | | Now that the bio list management stuff is generic, convert pktcdvd to use bio lists instead of its own private bio list implementation. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Peter Osterlund <petero2@telia.com> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* tree-wide: fix assorted typos all over the placeAndré Goddard Rosa2009-12-041-1/+1
| | | | | | | | | | That is "success", "unknown", "through", "performance", "[re|un]mapping" , "access", "default", "reasonable", "[con]currently", "temperature" , "channel", "[un]used", "application", "example","hierarchy", "therefore" , "[over|under]flow", "contiguous", "threshold", "enough" and others. Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* pktcdvd.h should include mempool.hAlexander Beregalov2009-04-241-0/+1
| | | | | | | | | Fix this build error: In file included from fs/compat_ioctl.c:104: include/linux/pktcdvd.h:285: error: expected specifier-qualifier-list before 'mempool_t' Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* pktcdvd: Convert from class_device to device for block/pktcdvdTony Jones2008-01-241-1/+1
| | | | | | | | | | | struct class_device is going away, this converts the code to use struct device instead. Signed-off-by: Tony Jones <tonyj@suse.de> Cc: Peter Osterlund <petero2@telia.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [PATCH] pktcdvd: add sysfs and debugfs interfaceThomas Maier2006-12-081-1/+17
| | | | | | | | | | | Add a sysfs and debugfs interface to the pktcdvd driver. Look into the Documentation/ABI/testing/* files in the patch for more info. Signed-off-by: Thomas Maier <balagi@justmail.de> Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: bio write congestion using congestion_wait()Thomas Maier2006-12-081-0/+9
| | | | | | | | | | | | | This adds a bio write queue congestion control to the pktcdvd driver with fixed on/off marks. It prevents that the driver consumes a unlimited amount of write requests. [akpm@osdl.org: sync with congestion_wait() renaming] Signed-off-by: Thomas Maier <balagi@justmail.de> Cc: Peter Osterlund <petero2@telia.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Allow larger packetsPhillip Susi2006-02-051-1/+1
| | | | | | | | | | | | | | The pktcdvd driver uses a compile time macro constant to define the maximum supported packet length. I changed this from 32 sectors to 128 sectors because that allows over 100 MB of additional usable space on a 700 MB cdrw, and increases throughput. Note that you need a modified cdrwtool program that can format a CDRW disc with larger packets to benefit from this change. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Don't waste kernel memoryPeter Osterlund2006-02-051-2/+2
| | | | | | | | | | | Allocate memory for read-gathering at open time, when it is known just how much memory is needed. This avoids wasting kernel memory when the real packet size is smaller than the maximum packet size supported by the driver. This is always the case when using DVD discs. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: Fix overflow for discs with large packetsPhillip Susi2006-02-051-1/+1
| | | | | | | | | | | | | | | The pktcdvd driver was using an 8 bit field to store the packet length obtained from the disc track info. This causes it to overflow packet length values of 128KB or more. I changed the field to 32 bits to fix this. The pktcdvd driver defaulted to its maximum allowed packet length when it detected a 0 in the track info field. I changed this to fail the operation and refuse to access the media. This seems more sane than attempting to access it with a value that almost certainly will not work. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pktcdvd: BUG_ON cleanupsPeter Osterlund2005-09-131-0/+3
| | | | | | | | | Remove some redundant BUG_ON() statements in pktcdvd and move one run-time check to compile-time. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Improve CD/DVD packet driver write performancePeter Osterlund2005-06-231-1/+1
| | | | | | | | | | This patch improves write performance for the CD/DVD packet writing driver. The logic for switching between reading and writing has been changed so that streaming writes are no longer interrupted by read requests. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-161-0/+275
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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