diff options
Diffstat (limited to 'fs/orangefs/orangefs-sysfs.c')
| -rw-r--r-- | fs/orangefs/orangefs-sysfs.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/orangefs/orangefs-sysfs.c b/fs/orangefs/orangefs-sysfs.c index e88370540cb4..a799546a67f7 100644 --- a/fs/orangefs/orangefs-sysfs.c +++ b/fs/orangefs/orangefs-sysfs.c @@ -325,6 +325,15 @@ static ssize_t sysfs_service_op_show(struct kobject *kobj, new_op->upcall.req.param.type = ORANGEFS_PARAM_REQUEST_GET; if (!strcmp(kobj->name, ORANGEFS_KOBJ_ID)) { + /* Drop unsupported requests first. */ + if (!(orangefs_features & ORANGEFS_FEATURE_READAHEAD) && + (!strcmp(attr->attr.name, "readahead_count") || + !strcmp(attr->attr.name, "readahead_size") || + !strcmp(attr->attr.name, "readahead_count_size"))) { + rc = -EINVAL; + goto out; + } + if (!strcmp(attr->attr.name, "perf_history_size")) new_op->upcall.req.param.op = ORANGEFS_PARAM_REQUEST_OP_PERF_HISTORY_SIZE; @@ -529,6 +538,15 @@ static ssize_t sysfs_service_op_store(struct kobject *kobj, new_op->upcall.req.param.type = ORANGEFS_PARAM_REQUEST_SET; if (!strcmp(kobj->name, ORANGEFS_KOBJ_ID)) { + /* Drop unsupported requests first. */ + if (!(orangefs_features & ORANGEFS_FEATURE_READAHEAD) && + (!strcmp(attr->attr.name, "readahead_count") || + !strcmp(attr->attr.name, "readahead_size") || + !strcmp(attr->attr.name, "readahead_count_size"))) { + rc = -EINVAL; + goto out; + } + if (!strcmp(attr->attr.name, "perf_history_size")) { if (val > 0) { new_op->upcall.req.param.op = |