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OpenCloudOS-Kernel
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56 Commits

Author SHA1 Message Date
Martin K. Petersen 0c032ab889 block: Fix double put in blk_integrity_unregister 
- kobject_del already puts the parent.

 - Set integrity profile to NULL to prevent stale data.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 2008-10-09 08:56:21 +02:00
Tejun Heo ed9e198234 block: implement and use {disk|part}_to_dev() 
Implement {disk|part}_to_dev() and use them to access generic device
instead of directly dereferencing {disk|part}->dev.  To make sure no
user is left behind, rename generic devices fields to __dev.

This is in preparation of unifying partition 0 handling with other
partitions.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 2008-10-09 08:56:07 +02:00
Randy Dunlap 710027a48e Add some block/ source files to the kernel-api docbook. Fix kernel-doc notation in them as needed. Fix changed function parameter names. Fix typos/spellos. In comments, change REQ_SPECIAL to REQ_TYPE_SPECIAL and REQ_BLOCK_PC to REQ_TYPE_BLOCK_PC. 
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 2008-10-09 08:56:03 +02:00
Jens Axboe b24498d477 block: integrity flags can't use bit ops on unsigned short 
Just use normal open coded bit operations instead, they need not be
atomic.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 2008-07-03 13:21:15 +02:00
Jens Axboe b984679efe block: integrity checkpatch cleanups 
> 80 char lines and that sort of thing.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 2008-07-03 13:21:13 +02:00
Martin K. Petersen 7ba1ba12ee block: Block layer data integrity support 
Some block devices support verifying the integrity of requests by way
of checksums or other protection information that is submitted along
with the I/O.

This patch implements support for generating and verifying integrity
metadata, as well as correctly merging, splitting and cloning bios and
requests that have this extra information attached.

See Documentation/block/data-integrity.txt for more information.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 2008-07-03 13:21:13 +02:00