Hi Chen, On Wed, Jan 22, 2025 at 05:24:17PM +0800, Chen Linxuan wrote: > `mkdir` and `mkdirat` might set errno to EOVERFLOW when UID or GID > mapping has not been configured. See > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=036d523641c66bef713042894a17f4335f199e49 Would you mind adding a small program in the commit message that shows this behavior? > Signed-off-by: Chen Linxuan <chenlinxuan@xxxxxxxxxxxxx> Thanks for the patch! It LGTM. Have a lovely day! Alex > --- > man/man2/mkdir.2 | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/man/man2/mkdir.2 b/man/man2/mkdir.2 > index d84dbc27e..2af618d68 100644 > --- a/man/man2/mkdir.2 > +++ b/man/man2/mkdir.2 > @@ -203,6 +203,10 @@ does not support the creation of directories. > .B EROFS > .I pathname > refers to a file on a read-only filesystem. > +.B EOVERFLOW > +UID or GID mappings (see > +.BR user_namespaces (7)) > +has not been configured. > .SH VERSIONS > Under Linux, apart from the permission bits, the > .B S_ISVTX > -- > 2.43.0 > -- <https://www.alejandro-colomar.es/>
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