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-rw-r--r--libmount/src/tab_update.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/libmount/src/tab_update.c b/libmount/src/tab_update.c
index 40adba98a..631e1cd9f 100644
--- a/libmount/src/tab_update.c
+++ b/libmount/src/tab_update.c
@@ -357,7 +357,7 @@ static int set_fs_root(struct libmnt_update *upd, struct libmnt_fs *fs,
{
struct libmnt_fs *src_fs;
char *fsroot = NULL;
- const char *src;
+ const char *src, *fstype;
int rc = 0;
DBG(UPDATE, ul_debug("setting FS root"));
@@ -366,16 +366,21 @@ static int set_fs_root(struct libmnt_update *upd, struct libmnt_fs *fs,
assert(upd->fs);
assert(fs);
+ fstype = mnt_fs_get_fstype(fs);
+
if (mountflags & MS_BIND) {
if (!upd->mountinfo)
upd->mountinfo = mnt_new_table_from_file(_PATH_PROC_MOUNTINFO);
-
src = mnt_fs_get_srcpath(fs);
if (src) {
rc = mnt_fs_set_bindsrc(upd->fs, src);
if (rc)
goto err;
}
+
+ } else if (fstype && (strcmp(fstype, "btrfs") == 0 || strcmp(fstype, "auto") == 0)) {
+ if (!upd->mountinfo)
+ upd->mountinfo = mnt_new_table_from_file(_PATH_PROC_MOUNTINFO);
}
src_fs = mnt_table_get_fs_root(upd->mountinfo, fs,