| Message ID | 20241101135452.19359-2-erin.shepherd@e43.eu (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | pidfs: implement file handle support | expand |
On Fri, Nov 1, 2024 at 2:55 PM Erin Shepherd <erin.shepherd@e43.eu> wrote: > > 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 > > Signed-off-by: Erin Shepherd <erin.shepherd@e43.eu> Reviewed-by: Amir Goldstein <amir73il@gmail.com> > --- > 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 46966fd8bcf9..698a2ddfd0cb 100644 > --- a/fs/libfs.c > +++ b/fs/libfs.c > @@ -669,6 +669,7 @@ 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 730f77381d55..2503f7625d65 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; > -- > 2.46.1 > >
diff --git a/fs/libfs.c b/fs/libfs.c index 46966fd8bcf9..698a2ddfd0cb 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -669,6 +669,7 @@ 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 730f77381d55..2503f7625d65 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;
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 Signed-off-by: Erin Shepherd <erin.shepherd@e43.eu> --- fs/libfs.c | 1 + include/linux/pseudo_fs.h | 1 + 2 files changed, 2 insertions(+)