static int jfs_set_acl(struct inode *inode, int type, struct posix_acl *acl) { char *ea_name; struct jfs_inode_info *ji = JFS_IP(inode); struct posix_acl **p_acl; int rc; int size = 0; char *value = NULL; if (S_ISLNK(inode->i_mode)) return -EOPNOTSUPP; switch(type) { case ACL_TYPE_ACCESS: ea_name = XATTR_NAME_ACL_ACCESS; p_acl = &ji->i_acl; break; case ACL_TYPE_DEFAULT: ea_name = XATTR_NAME_ACL_DEFAULT; p_acl = &ji->i_default_acl; if (!S_ISDIR(inode->i_mode)) return acl ? -EACCES : 0; break; default: return -EINVAL; } if (acl) { size = xattr_acl_size(acl->a_count); value = kmalloc(size, GFP_KERNEL); if (!value) return -ENOMEM; rc = posix_acl_to_xattr(acl, value, size); if (rc < 0) goto out; } rc = __jfs_setxattr(inode, ea_name, value, size, 0); out: if (value) kfree(value); if (!rc) { if (*p_acl && (*p_acl != JFS_ACL_NOT_CACHED)) posix_acl_release(*p_acl); *p_acl = posix_acl_dup(acl); } return rc; }
static int __jfs_set_acl(tid_t tid, struct inode *inode, int type, struct posix_acl *acl) { char *ea_name; int rc; int size = 0; char *value = NULL; switch (type) { case ACL_TYPE_ACCESS: ea_name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { rc = posix_acl_update_mode(inode, &inode->i_mode, &acl); if (rc) return rc; inode->i_ctime = current_time(inode); mark_inode_dirty(inode); } break; case ACL_TYPE_DEFAULT: ea_name = XATTR_NAME_POSIX_ACL_DEFAULT; break; default: return -EINVAL; } if (acl) { size = posix_acl_xattr_size(acl->a_count); value = kmalloc(size, GFP_KERNEL); if (!value) return -ENOMEM; rc = posix_acl_to_xattr(&init_user_ns, acl, value, size); if (rc < 0) goto out; } rc = __jfs_setxattr(tid, inode, ea_name, value, size, 0); out: kfree(value); if (!rc) set_cached_acl(inode, type, acl); return rc; }
static int jfs_set_acl(tid_t tid, struct inode *inode, int type, struct posix_acl *acl) { char *ea_name; int rc; int size = 0; char *value = NULL; if (S_ISLNK(inode->i_mode)) return -EOPNOTSUPP; switch(type) { case ACL_TYPE_ACCESS: ea_name = POSIX_ACL_XATTR_ACCESS; break; case ACL_TYPE_DEFAULT: ea_name = POSIX_ACL_XATTR_DEFAULT; if (!S_ISDIR(inode->i_mode)) return acl ? -EACCES : 0; break; default: return -EINVAL; } if (acl) { size = posix_acl_xattr_size(acl->a_count); value = kmalloc(size, GFP_KERNEL); if (!value) return -ENOMEM; rc = posix_acl_to_xattr(acl, value, size); if (rc < 0) goto out; } rc = __jfs_setxattr(tid, inode, ea_name, value, size, 0); out: kfree(value); if (!rc) set_cached_acl(inode, type, acl); return rc; }