Unverified Commit d2ab36bb authored by Erin Shepherd's avatar Erin Shepherd Committed by Christian Brauner
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pseudofs: add support for export_ops 



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: default avatarAmir Goldstein <amir73il@gmail.com>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarErin Shepherd <erin.shepherd@e43.eu>
Link: https://lore.kernel.org/r/20241113-pidfs_fh-v2-1-9a4d28155a37@e43.eu
Link: https://lore.kernel.org/r/20241129-work-pidfs-file_handle-v1-1-87d803a42495@kernel.org


Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent d8b47d05

fs/libfs.c

+1 −0
Original line number Diff line number Diff line
@@ -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);

include/linux/pseudo_fs.h

+1 −0
Original line number Diff line number Diff line
@@ -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;