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a85b54ab54
Travis testing engine complained about @_BSD_SOURCE which is not the case on my build environment. Anyway lets do a safe thing -- conditional definition. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
#ifndef ZDTM_FS_H_
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#define ZDTM_FS_H_
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#ifndef _BSD_SOURCE
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# define _BSD_SOURCE
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#endif
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#include <sys/types.h>
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#include <limits.h>
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#define KDEV_MINORBITS 20
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#define KDEV_MINORMASK ((1UL << KDEV_MINORBITS) - 1)
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#define MKKDEV(ma, mi) (((ma) << KDEV_MINORBITS) | (mi))
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static inline unsigned int kdev_major(unsigned int kdev)
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{
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return kdev >> KDEV_MINORBITS;
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}
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static inline unsigned int kdev_minor(unsigned int kdev)
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{
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return kdev & KDEV_MINORMASK;
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}
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static inline dev_t kdev_to_odev(unsigned int kdev)
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{
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/*
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* New kernels encode devices in a new form.
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* See kernel's fs/stat.c for details, there
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* choose_32_64 helpers which are the key.
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*/
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unsigned major = kdev_major(kdev);
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unsigned minor = kdev_minor(kdev);
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return makedev(major, minor);
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}
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typedef struct {
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int mnt_id;
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int parent_mnt_id;
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unsigned int s_dev;
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char root[PATH_MAX];
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char mountpoint[PATH_MAX];
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char fsname[64];
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} mnt_info_t;
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extern mnt_info_t *mnt_info_alloc(void);
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extern void mnt_info_free(mnt_info_t **m);
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extern mnt_info_t *get_cwd_mnt_info(void);
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#endif /* ZDTM_FS_H_ */
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