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83b3370c79
Use a bitmap for indicating which subchannels require evaluation instead of allocating memory for each evaluation request. This approach reduces memory consumption during recovery in case of massive evaluation request occurrence and removes the need for memory allocation failure handling. Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
26 lines
670 B
C
26 lines
670 B
C
/*
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* drivers/s390/cio/idset.h
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*
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* Copyright IBM Corp. 2007
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* Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
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*/
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#ifndef S390_IDSET_H
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#define S390_IDSET_H S390_IDSET_H
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#include "schid.h"
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struct idset;
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void idset_free(struct idset *set);
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void idset_clear(struct idset *set);
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void idset_fill(struct idset *set);
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struct idset *idset_sch_new(void);
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void idset_sch_add(struct idset *set, struct subchannel_id id);
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void idset_sch_del(struct idset *set, struct subchannel_id id);
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int idset_sch_contains(struct idset *set, struct subchannel_id id);
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int idset_sch_get_first(struct idset *set, struct subchannel_id *id);
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#endif /* S390_IDSET_H */
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