Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> --- fs/ceph/xattr.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 16a62a2bd61e..b175b3029dc0 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -340,6 +340,16 @@ static ssize_t ceph_vxattrcb_caps(struct ceph_inode_info *ci, char *val, ceph_cap_string(issued), issued); } +static ssize_t ceph_vxattrcb_fscrypt_auth(struct ceph_inode_info *ci, char *val, size_t size) +{ + if (size) { + if (size < ci->fscrypt_auth_len) + return -ERANGE; + memcpy(val, ci->fscrypt_auth, ci->fscrypt_auth_len); + } + return ci->fscrypt_auth_len; +} + #define CEPH_XATTR_NAME(_type, _name) XATTR_CEPH_PREFIX #_type "." #_name #define CEPH_XATTR_NAME2(_type, _name, _name2) \ XATTR_CEPH_PREFIX #_type "." #_name "." #_name2 @@ -473,6 +483,13 @@ static struct ceph_vxattr ceph_common_vxattrs[] = { .exists_cb = NULL, .flags = VXATTR_FLAG_READONLY, }, + { + .name = "ceph.fscrypt.auth", + .name_size = sizeof("ceph.fscrypt.auth"), + .getxattr_cb = ceph_vxattrcb_fscrypt_auth, + .exists_cb = NULL, + .flags = VXATTR_FLAG_READONLY, + }, { .name = NULL, 0 } /* Required table terminator */ }; -- 2.31.1
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