One ide command for nsector_per_block generates nsector_per_block interrupts,

instead of 1. ideintr() should wait for nsector_per_block interrupts before waking up the reader; now it wakes up the reader after 1 interrupt, which apparently means that the first sector is available of the command instead of all. For now keep BSIZE to 512.

One ide command for nsector_per_block generates nsector_per_block interrupts,
de4af193 · Frans Kaashoek · 895af77f · de4af193
--- a/fs.h
+++ b/fs.h
@@ -9,7 +9,7 @@
 // Then sb.nlog log blocks.

 #define ROOTINO 1  // root i-number
-#define BSIZE 1024  // block size
+#define BSIZE 512  // block size

 // File system super block
 struct superblock {