mirror of
https://github.com/checkpoint-restore/criu.git
synced 2026-07-19 01:26:22 +00:00
ed59bf001b
At moment only open_mnt_root is there, which is needed for inotify restore. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
42 lines
752 B
C
42 lines
752 B
C
#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <string.h>
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#include "types.h"
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#include "util.h"
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#include "mount.h"
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#include "proc_parse.h"
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/*
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* Returns path for mount device @s_dev
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*
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* FIXME this is not sufficient in general
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* since mount points can be overmounted but
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* works for now.
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*/
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int open_mnt_root(unsigned int s_dev, struct proc_mountinfo *mntinfo, int nr_mntinfo)
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{
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static int last = 0;
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int i;
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again:
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for (i = last; i < nr_mntinfo; i++) {
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if (s_dev == mntinfo[i].s_dev) {
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last = i;
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return open(mntinfo[i].mnt_root, O_RDONLY);
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}
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}
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if (last) {
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last = 0;
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goto again;
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}
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return -ENOENT;
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}
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