diff options
| author | Lennart Poettering <lennart@poettering.net> | 2015-05-19 20:32:44 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2015-05-20 14:38:12 +0200 |
| commit | 6458ec20b574edf7170fda61c51ccd3c6e73937f (patch) | |
| tree | 0baed30f599b2e01b9e929ad483a23572c2e7187 /src/shared/util.c | |
| parent | eba6fd30f2a27f51fa328484cb241807c6934ce1 (diff) | |
core,nspawn: unify code that moves the root dir
Diffstat (limited to 'src/shared/util.c')
| -rw-r--r-- | src/shared/util.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/shared/util.c b/src/shared/util.c index e18645f8f1..c3b08bbc43 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -6229,3 +6229,21 @@ int parse_mode(const char *s, mode_t *ret) { *ret = (mode_t) l; return 0; } + +int mount_move_root(const char *path) { + assert(path); + + if (chdir(path) < 0) + return -errno; + + if (mount(path, "/", NULL, MS_MOVE, NULL) < 0) + return -errno; + + if (chroot(".") < 0) + return -errno; + + if (chdir("/") < 0) + return -errno; + + return 0; +} |