/**
* mnt_context_finalize_umount:
* @cxt: context
*
* Mtab update, etc. Unnecessary for mnt_context_umount(), but should be called
* after mnt_context_do_umount(). See also mnt_context_set_syscall_status().
*
* Returns: negative number on error, 0 on success.
*/
int mnt_context_finalize_umount(struct libmnt_context *cxt)
{
int rc;
assert(cxt);
assert(cxt->fs);
assert((cxt->flags & MNT_FL_PREPARED));
assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));
rc = mnt_context_prepare_update(cxt);
if (!rc)
rc = mnt_context_update_tabs(cxt);;
return rc;
}
/**
* mnt_context_umount:
* @cxt: umount context
*
* High-level, umounts filesystem by umount(2) or fork()+exec(/sbin/umount.type).
*
* This is similar to:
*
* mnt_context_prepare_umount(cxt);
* mnt_context_do_umount(cxt);
* mnt_context_finalize_umount(cxt);
*
* See also mnt_context_disable_helpers().
*
* WARNING: non-zero return code does not mean that umount(2) syscall or
* umount.type helper wasn't successfully called.
*
* Check mnt_context_get_status() after error!
*
* Returns: 0 on success;
* >0 in case of umount(2) error (returns syscall errno),
* <0 in case of other errors.
*/
int mnt_context_umount(struct libmnt_context *cxt)
{
int rc;
assert(cxt);
assert(cxt->fs);
assert(cxt->helper_exec_status == 1);
assert(cxt->syscall_status == 1);
DBG(CXT, mnt_debug_h(cxt, "umount: %s", mnt_context_get_target(cxt)));
rc = mnt_context_prepare_umount(cxt);
if (!rc)
rc = mnt_context_prepare_update(cxt);
if (!rc)
rc = mnt_context_do_umount(cxt);
if (!rc)
rc = mnt_context_update_tabs(cxt);
return rc;
}
/**
* mnt_context_mount:
* @cxt: mount context
*
* High-level, mounts filesystem by mount(2) or fork()+exec(/sbin/mount.type).
*
* This is similar to:
*
* mnt_context_prepare_mount(cxt);
* mnt_context_do_mount(cxt);
* mnt_context_finalize_mount(cxt);
*
* See also mnt_context_disable_helpers().
*
* Note that this function could be called only once. If you want to mount with
* different setting than you have to call mnt_reset_context(). It's NOT enough
* to call mnt_context_reset_status() if you want call this function more than
* once, whole context has to be reseted.
*
* WARNING: non-zero return code does not mean that mount(2) syscall or
* mount.type helper wasn't successfully called.
*
* Check mnt_context_get_status() after error!
*
* Returns: 0 on success;
* >0 in case of mount(2) error (returns syscall errno),
* <0 in case of other errors.
*/
int mnt_context_mount(struct libmnt_context *cxt)
{
int rc;
assert(cxt);
assert(cxt->fs);
assert(cxt->helper_exec_status == 1);
assert(cxt->syscall_status == 1);
rc = mnt_context_prepare_mount(cxt);
if (!rc)
rc = mnt_context_prepare_update(cxt);
if (!rc)
rc = mnt_context_do_mount(cxt);
/* TODO: if mtab update is expected then check if the
* target is really mounted read-write to avoid 'ro' in
* mtab and 'rw' in /proc/mounts.
*/
if (!rc)
rc = mnt_context_update_tabs(cxt);
return rc;
}