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Remove one level of nesting where appropriate.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Every usage of rq_for_each_bio wraps a usage of
bio_for_each_segment, so these can be combined into
rq_for_each_segment.
We define "struct req_iterator" to hold the 'bio' and 'index' that
are needed for the double iteration.
Signed-off-by: Neil Brown <neilb@suse.de>
Various compile fixes by me...
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Instead of the deprecated read_conf_data(), implement a new function
tape_3590_read_dev_chars().
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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3592 tape devices are able to write data encrpyted on tape mediums.
This z/Linux device driver support includes the following functions:
* ioctl to switch on/off encryption
* ioctl to query encryption status of drive
* ioctls to set and query key encrypting keys (kekls)
* long busy interrupt handling
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Added some changes that where proposed by Andrew Morton. Added 3592 device
type.
Signed-off-by: Stefan Bader <shbader@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Michael Holzheu <holzheu@de.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Stefan Bader <shbader@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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