* 7.40
* - add max_stack_depth to fuse_init_out, add FUSE_PASSTHROUGH init flag
* - add backing_id to fuse_open_out, add FOPEN_PASSTHROUGH open flag
+ * - add FUSE_NO_EXPORT_SUPPORT init flag
+ * - add FUSE_NOTIFY_RESEND, add FUSE_HAS_RESEND init flag
*/
#ifndef _LINUX_FUSE_H
* FOPEN_STREAM: the file is stream-like (no file position at all)
* FOPEN_NOFLUSH: don't flush data cache on close (unless FUSE_WRITEBACK_CACHE)
* FOPEN_PARALLEL_DIRECT_WRITES: Allow concurrent direct writes on the same inode
- * FOPEN_PASSTHROUGH: passthrough read/write operations for this open file
+ * FOPEN_PASSTHROUGH: passthrough read/write io for this open file
*/
#define FOPEN_DIRECT_IO (1 << 0)
#define FOPEN_KEEP_CACHE (1 << 1)
* symlink and mknod (single group that matches parent)
* FUSE_HAS_EXPIRE_ONLY: kernel supports expiry-only entry invalidation
* FUSE_DIRECT_IO_ALLOW_MMAP: allow shared mmap in FOPEN_DIRECT_IO mode.
+ * FUSE_NO_EXPORT_SUPPORT: explicitly disable export support
+ * FUSE_HAS_RESEND: kernel supports resending pending requests, and the high bit
+ * of the request ID indicates resend requests
*/
#define FUSE_ASYNC_READ (1 << 0)
#define FUSE_POSIX_LOCKS (1 << 1)
#define FUSE_HAS_EXPIRE_ONLY (1ULL << 35)
#define FUSE_DIRECT_IO_ALLOW_MMAP (1ULL << 36)
#define FUSE_PASSTHROUGH (1ULL << 37)
+#define FUSE_NO_EXPORT_SUPPORT (1ULL << 38)
+#define FUSE_HAS_RESEND (1ULL << 39)
/* Obsolete alias for FUSE_DIRECT_IO_ALLOW_MMAP */
#define FUSE_DIRECT_IO_RELAX FUSE_DIRECT_IO_ALLOW_MMAP
FUSE_NOTIFY_STORE = 4,
FUSE_NOTIFY_RETRIEVE = 5,
FUSE_NOTIFY_DELETE = 6,
+ FUSE_NOTIFY_RESEND = 7,
FUSE_NOTIFY_CODE_MAX,
};
uint32_t padding;
};
+/**
+ * FUSE request unique ID flag
+ *
+ * Indicates whether this is a resend request. The receiver should handle this
+ * request accordingly.
+ */
+#define FUSE_UNIQUE_RESEND (1ULL << 63)
+
struct fuse_in_header {
uint32_t len;
uint32_t opcode;