flags中必须access mode：O_RDONLY, O_WRONLY, O_RDWR其中之一；© XXX Page 4 of 23 文件创建标志只影响打开操作, 文件状态标志影响后面的读写操作 file creation flags: O_CLOEXEC, O_CREAT, O_DIRECTORY, O_EXCL, O_NOCTTY, O_NOFOLLOW, O_TMPFILE, and O_TRUNC file XXX Page 6 of 23 Open a file Open flags are available in fi->flags. The following rules apply. Creation (O_CREAT, O_EXCL, O_NOCTTY) flags will be filtered out / handled by the kernel. Access modes (O_RDONLY

• Support automatically detect new nodes, adding / removing nodes and disk drives • Support dynamic volume resizing • chunkserver on PVC support for different data and metadata(HDD, SSD, pmem) fullFeature list for CurveFS • CSI plugin for CurveFS • CurveFS (cluster and storage pools) CRDs • Dynamic Volume Provisioning for CurveFS • Dynamice volume resizing • Support automatically detect new

5ba783e9-44bd-49ce-b8bc-b7ba0ef33531 Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent