/*
* The default is to use fstype from cxt->fs, this could be overwritten by
* @try_type argument.
*
* Returns: 0 on success,
* >0 in case of mount(2) error (returns syscall errno),
* <0 in case of other errors.
*/
static int do_mount(struct libmnt_context *cxt, const char *try_type)
{
int rc = 0;
const char *src, *target, *type;
unsigned long flags;
assert(cxt);
assert(cxt->fs);
assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));
if (try_type && !cxt->helper) {
rc = mnt_context_prepare_helper(cxt, "mount", try_type);
if (!rc)
return rc;
}
if (cxt->helper)
return exec_helper(cxt);
flags = cxt->mountflags;
src = mnt_fs_get_srcpath(cxt->fs);
target = mnt_fs_get_target(cxt->fs);
if (!src || !target)
return -EINVAL;
type = try_type ? : mnt_fs_get_fstype(cxt->fs);
if (!(flags & MS_MGC_MSK))
flags |= MS_MGC_VAL;
DBG(CXT, mnt_debug_h(cxt, "%smount(2) "
"[source=%s, target=%s, type=%s, "
" mountflags=0x%08lx, mountdata=%s]",
(cxt->flags & MNT_FL_FAKE) ? "(FAKE) " : "",
src, target, type,
flags, cxt->mountdata ? "yes" : "<none>"));
if (cxt->flags & MNT_FL_FAKE)
cxt->syscall_status = 0;
else {
if (mount(src, target, type, flags, cxt->mountdata)) {
cxt->syscall_status = -errno;
DBG(CXT, mnt_debug_h(cxt, "mount(2) failed [errno=%d %m]",
-cxt->syscall_status));
return -cxt->syscall_status;
}
DBG(CXT, mnt_debug_h(cxt, "mount(2) success"));
cxt->syscall_status = 0;
}
if (try_type && cxt->update) {
struct libmnt_fs *fs = mnt_update_get_fs(cxt->update);
if (fs)
rc = mnt_fs_set_fstype(fs, try_type);
}
return rc;
}
/*
* The default is to use fstype from cxt->fs, this could be overwritten by
* @try_type argument.
*
* Returns: 0 on success,
* >0 in case of mount(2) error (returns syscall errno),
* <0 in case of other errors.
*/
static int do_mount(struct libmnt_context *cxt, const char *try_type)
{
int rc = 0;
const char *src, *target, *type;
unsigned long flags;
assert(cxt);
assert(cxt->fs);
assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));
if (try_type && !cxt->helper) {
rc = mnt_context_prepare_helper(cxt, "mount", try_type);
if (rc)
return rc;
}
if (cxt->helper)
return exec_helper(cxt);
flags = cxt->mountflags;
src = mnt_fs_get_srcpath(cxt->fs);
target = mnt_fs_get_target(cxt->fs);
if (!target)
return -EINVAL;
if (!src) {
/* unnecessary, should be already resolved in
* mnt_context_prepare_srcpath(), but for sure... */
DBG(CXT, mnt_debug_h(cxt, "WARNING: source is NULL -- using \"none\"!"));
src = "none";
}
type = try_type ? : mnt_fs_get_fstype(cxt->fs);
if (!(flags & MS_MGC_MSK))
flags |= MS_MGC_VAL;
DBG(CXT, mnt_debug_h(cxt, "%smount(2) "
"[source=%s, target=%s, type=%s, "
" mountflags=0x%08lx, mountdata=%s]",
mnt_context_is_fake(cxt) ? "(FAKE) " : "",
src, target, type,
flags, cxt->mountdata ? "yes" : "<none>"));
if (mnt_context_is_fake(cxt))
cxt->syscall_status = 0;
else {
if (mount(src, target, type, flags, cxt->mountdata)) {
cxt->syscall_status = -errno;
DBG(CXT, mnt_debug_h(cxt, "mount(2) failed [errno=%d %m]",
-cxt->syscall_status));
return -cxt->syscall_status;
}
DBG(CXT, mnt_debug_h(cxt, "mount(2) success"));
cxt->syscall_status = 0;
}
if (try_type && cxt->update) {
struct libmnt_fs *fs = mnt_update_get_fs(cxt->update);
if (fs)
rc = mnt_fs_set_fstype(fs, try_type);
}
return rc;
}