Make cache based on block size and fixed some bugs

well, it's a big change.
 1st, make the caceh based on block but not sector
 2nd, make the fast symlink check worked.
 3rd, totally changed the linsector function.
 4th, some little changes.

1 files changed, 11 insertions, 9 deletions

diff --git a/disklab.c b/disklab.c
index a3abe36..c0673ef 100644
--- a/disklab.c
+++ b/disklab.c
@@ -1,27 +1,29 @@
+#include "disklab.h"
+
 #include <stdio.h>
 #include <malloc.h>
 
 
+
 extern int fd;
+extern int blk_size;
 
-void * getonesec(int sector)
+void* getoneblk(__u32 block)
 {
-        void *data;
         int bytes_read;
+        char *buf;
 
-        if ( lseek(fd, sector * 512, SEEK_SET) <  0) {/* ... */
+        if ( lseek(fd, block * blk_size, SEEK_SET) <  0) {/* ... */
                 printf("seek file ext2.img error....\n");
                 return NULL;
         }
         
+        buf = malloc(blk_size);
         
-        data = malloc(512);
-       
-        if ( (bytes_read = read(fd, data, 512)) < 512 )
-                printf("read %d bytes less than 512B...\n", bytes_read);
-        
+        if ( (bytes_read = read(fd, buf, blk_size)) < blk_size )
+                printf("read %d bytes less than %dB..\n", bytes_read, blk_size);
         
-        return data;
+        return buf;        
 }