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| author | Karel Zak | 2015-12-09 10:26:16 +0100 |
|---|---|---|
| committer | Karel Zak | 2015-12-09 10:26:16 +0100 |
| commit | 6589a1632b313db1304b673a6ce41a48f203eb98 (patch) | |
| tree | bf8398e1a37e228359235121a9901a49b4e835fe /libmount/src/utils.c | |
| parent | libmount: add cgroup2 pseudo FS (diff) | |
| download | kernel-qcow2-util-linux-6589a1632b313db1304b673a6ce41a48f203eb98.tar.gz kernel-qcow2-util-linux-6589a1632b313db1304b673a6ce41a48f203eb98.tar.xz kernel-qcow2-util-linux-6589a1632b313db1304b673a6ce41a48f203eb98.zip | |
libmount: use fstatat(AT_NO_AUTOMOUNT) for mountpoints
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'libmount/src/utils.c')
| -rw-r--r-- | libmount/src/utils.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/libmount/src/utils.c b/libmount/src/utils.c index 6c9217ee9..e57eb33ba 100644 --- a/libmount/src/utils.c +++ b/libmount/src/utils.c @@ -117,6 +117,15 @@ static int fstype_cmp(const void *v1, const void *v2) return strcmp(s1, s2); } +int mnt_stat_mountpoint(const char *target, struct stat *st) +{ +#ifdef AT_NO_AUTOMOUNT + return fstatat(-1, target, st, AT_NO_AUTOMOUNT); +#else + return stat(target, st); +#endif +} + /* * Note that the @target has to be an absolute path (so at least "/"). The * @filename returns an allocated buffer with the last path component, for example: @@ -983,7 +992,7 @@ char *mnt_get_mountpoint(const char *path) if (*mnt == '/' && *(mnt + 1) == '\0') goto done; - if (stat(mnt, &st)) + if (mnt_stat_mountpoint(mnt, &st)) goto err; base = st.st_dev; @@ -992,7 +1001,7 @@ char *mnt_get_mountpoint(const char *path) if (!p) break; - if (stat(*mnt ? mnt : "/", &st)) + if (mnt_stat_mountpoint(*mnt ? mnt : "/", &st)) goto err; dir = st.st_dev; if (dir != base) { |