kfree(rmw);
}
-static void __reada_start_machine(struct btrfs_fs_info *fs_info)
+/* Try to start up to 10k READA requests for a group of devices */
+static int reada_start_for_fsdevs(struct btrfs_fs_devices *fs_devices)
{
- struct btrfs_device *device;
- struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
u64 enqueued;
u64 total = 0;
- int i;
+ struct btrfs_device *device;
-again:
do {
enqueued = 0;
mutex_lock(&fs_devices->device_list_mutex);
mutex_unlock(&fs_devices->device_list_mutex);
total += enqueued;
} while (enqueued && total < 10000);
+
+ return total;
+}
+
+static void __reada_start_machine(struct btrfs_fs_info *fs_info)
+{
+ struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
+ int i;
+ u64 enqueued = 0;
+
+again:
+ enqueued += reada_start_for_fsdevs(fs_devices);
if (fs_devices->seed) {
fs_devices = fs_devices->seed;
goto again;