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https://github.com/ibm-s390-linux/s390-tools.git
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34a5e47508
Fix is_device_mapper() predicate to not base on checking a hardcoded major number (253), which not always correct, since on some systems dm-devices have different majors". Reviewed-by: Stefan Haberland <sth@linux.ibm.com> Signed-off-by: Eduard Shishkin <edward6@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* Scanner for the /proc files
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*
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* Copyright IBM Corp. 2001, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*
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*/
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#ifndef LIB_UTIL_PROC_H
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#define LIB_UTIL_PROC_H
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#include <ctype.h>
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#include <sys/types.h>
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struct util_proc_part_entry {
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dev_t device;
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size_t blockcount;
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char *name;
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};
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struct util_proc_dev_entry {
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int blockdev;
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dev_t device;
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char *name;
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};
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#define UTIL_PROC_DEV_ENTRY_DASD "dasd"
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#define UTIL_PROC_DEV_ENTRY_VIRTBLK "virtblk"
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#define UTIL_PROC_DEV_ENTRY_SD "sd"
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#define UTIL_PROC_DEV_ENTRY_BLKEXT "blkext"
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#define UTIL_PROC_DEV_ENTRY_MD "md"
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#define UTIL_PROC_DEV_ENTRY_DM "device-mapper"
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int util_proc_part_get_entry(dev_t device, struct util_proc_part_entry *entry);
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void util_proc_part_free_entry(struct util_proc_part_entry *entry);
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int util_proc_dev_get_entry(dev_t dev, int blockdev,
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struct util_proc_dev_entry *entry);
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void util_proc_dev_free_entry(struct util_proc_dev_entry *entry);
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#endif /* LIB_UTIL_PROC_H */
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