On Fri 29-11-24 14:38:00, Christian Brauner wrote: > From: Erin Shepherd <erin.shepherd@xxxxxx> > > Pseudo-filesystems might reasonably wish to implement the export ops > (particularly for name_to_handle_at/open_by_handle_at); plumb this > through pseudo_fs_context > > Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx> > Signed-off-by: Erin Shepherd <erin.shepherd@xxxxxx> > Link: https://lore.kernel.org/r/20241113-pidfs_fh-v2-1-9a4d28155a37@xxxxxx > Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx> OK, feel free to add: Reviewed-by: Jan Kara <jack@xxxxxxx> Honza > --- > fs/libfs.c | 1 + > include/linux/pseudo_fs.h | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/fs/libfs.c b/fs/libfs.c > index 748ac59231547c29abcbade3fa025e3b00533d8b..2890a9c4a414b7e2be5c337e238db84743f0a30b 100644 > --- a/fs/libfs.c > +++ b/fs/libfs.c > @@ -673,6 +673,7 @@ static int pseudo_fs_fill_super(struct super_block *s, struct fs_context *fc) > s->s_blocksize_bits = PAGE_SHIFT; > s->s_magic = ctx->magic; > s->s_op = ctx->ops ?: &simple_super_operations; > + s->s_export_op = ctx->eops; > s->s_xattr = ctx->xattr; > s->s_time_gran = 1; > root = new_inode(s); > diff --git a/include/linux/pseudo_fs.h b/include/linux/pseudo_fs.h > index 730f77381d55f1816ef14adf7dd2cf1d62bb912c..2503f7625d65e7b1fbe9e64d5abf06cd8f017b5f 100644 > --- a/include/linux/pseudo_fs.h > +++ b/include/linux/pseudo_fs.h > @@ -5,6 +5,7 @@ > > struct pseudo_fs_context { > const struct super_operations *ops; > + const struct export_operations *eops; > const struct xattr_handler * const *xattr; > const struct dentry_operations *dops; > unsigned long magic; > > -- > 2.45.2 > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR