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Commit 8860147a authored by Sage Weil's avatar Sage Weil
Browse files

ceph: support hidden vxattrs 



Add ability to flag virtual xattrs as hidden, such that you can
getxattr them but they do not appear in listxattr.

Signed-off-by: default avatarSage Weil <sage@inktank.com>
Reviewed-by: default avatarSam Lang <sam.lang@inktank.com>
parent 39b648d9

fs/ceph/xattr.c

+11 −9
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ struct ceph_vxattr { 
	size_t name_size;	/* strlen(name) + 1 (for '\0') */

	size_t (*getxattr_cb)(struct ceph_inode_info *ci, char *val,

			      size_t size);

	bool readonly;

	bool readonly, hidden;

};



/* directories */
@@ -91,6 +91,7 @@ static size_t ceph_vxattrcb_dir_rctime(struct ceph_inode_info *ci, char *val, 
		.name_size = sizeof (CEPH_XATTR_NAME(_type, _name)), \

		.getxattr_cb = ceph_vxattrcb_ ## _type ## _ ## _name, \

		.readonly = true,				\

		.hidden = false,				\

	}



static struct ceph_vxattr ceph_dir_vxattrs[] = {
@@ -157,6 +158,7 @@ static size_t __init vxattrs_name_size(struct ceph_vxattr *vxattrs) 
	size_t size = 0;



	for (vxattr = vxattrs; vxattr->name; vxattr++)

		if (!vxattr->hidden)

			size += vxattr->name_size;



	return size;