drivers/mtd/ftl.c: Support BIOC_FLUSH ioctl

2026-06-07 09:18:00 +08:00 · 2018-11-09 08:12:52 -06:00
parent 0849af133e
commit 6ee09e8888
4 changed files with 43 additions and 4 deletions
@@ -202,6 +202,10 @@ int rwb_invalidate(FAR struct rwbuffer_s *rwb,
                   off_t startblock, size_t blockcount);
 #endif

+#ifdef CONFIG_DRVR_WRITEBUFFER
+int rwb_flush(FAR struct rwbuffer_s *rwb);
+#endif
+
 #undef EXTERN
 #if defined(__cplusplus)
 }
@@ -257,6 +257,10 @@
                                           *      to return geometry.
                                           * OUT: Data return in user-provided
                                           *      buffer. */
+#define BIOC_FLUSH      _BIOC(0x000d)     /* Flush the block device write buffer
+                                           * IN:  None
+                                           * OUT: None (ioctl return value provides
+                                           *      success/failure indication). */

 /* NuttX MTD driver ioctl definitions ***************************************/