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[PATCH] s390: introduce for_each_subchannel

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for_each_subchannel() is an iterator calling a function for every possible
subchannel id until non-zero is returned.  Convert the current iterating
functions to it.

Signed-off-by: Cornelia Huck <cohuck@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>
This commit is contained in:
Cornelia Huck
2006-01-06 00:19:22 -08:00
committed by Linus Torvalds
parent a8237fc410
commit f97a56fb76
5 changed files with 318 additions and 290 deletions
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drivers/s390/cio/css.h
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@ -126,6 +126,7 @@ extern struct css_driver io_subchannel_driver;
extern int css_probe_device(struct subchannel_id);
extern struct subchannel * get_subchannel_by_schid(struct subchannel_id);
extern int css_init_done;
extern int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *);
#define __MAX_SUBCHANNEL 65535