ide-atapi: add a buffer-arg to ide_queue_pc_tail

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This is in preparation of removing ide_atapi_pc. Expose the buffer as an
argument to ide_queue_pc_tail with later replacing it with local buffer
or even kmalloc'ed one if needed due to stack usage constraints.

Also, add the possibility of passing a NULL-ptr buffer for cmds which
don't transfer data besides the cdb. While at it, switch to local buffer
in idetape_get_mode_sense_results().

There should be no functional change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>

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This commit is contained in:

Borislav Petkov 2009-05-02 10:26:12 +02:00

parent 5a0e43b5e2

commit b13345f39d

5 changed files with 41 additions and 43 deletions

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12

drivers/ide/ide-atapi.c

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17

drivers/ide/ide-floppy.c

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16

drivers/ide/ide-floppy_ioctl.c

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37

drivers/ide/ide-tape.c

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2

include/linux/ide.h

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