[PATCH v4 5/6] add listmount(2) syscall
Guenter Roeck
linux at roeck-us.net
Wed Jan 10 22:23:26 UTC 2024
Hi,
On Wed, Oct 25, 2023 at 04:02:03PM +0200, Miklos Szeredi wrote:
> Add way to query the children of a particular mount. This is a more
> flexible way to iterate the mount tree than having to parse the complete
> /proc/self/mountinfo.
>
> Allow listing either
>
> - immediate child mounts only, or
>
> - recursively all descendant mounts (depth first).
>
> Lookup the mount by the new 64bit mount ID. If a mount needs to be queried
> based on path, then statx(2) can be used to first query the mount ID
> belonging to the path.
>
> Return an array of new (64bit) mount ID's. Without privileges only mounts
> are listed which are reachable from the task's root.
>
> Signed-off-by: Miklos Szeredi <mszeredi at redhat.com>
with this patch in the tree, all sh4 builds fail with ICE.
during RTL pass: final
In file included from fs/namespace.c:11:
fs/namespace.c: In function '__se_sys_listmount':
include/linux/syscalls.h:258:9: internal compiler error: in change_address_1, at emit-rtl.c:2275
I tested with gcc 8.2, 11.3, 11.4, and 12.3. The compiler version
does not make a difference. Has anyone else seen the same problem ?
If so, any idea what to do about it ?
Thanks,
Guenter
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