[Tux3] Patch : Changes to tuxio()

[Chinmay Kamat]

The patch seemed to have wrapped.
Made changes to tuxio() to mark buffer dirty only on writes. Also changed 
printf to trace_off and commented the hexdump.

diff -r 7fb52abf2f30 user/inode.c
--- a/user/inode.c      Thu Jan 22 00:36:36 2009 -0800
+++ b/user/inode.c      Fri Jan 23 00:49:14 2009 +0530
@@ -86,13 +86,15 @@
                        err = -EIO;
                        break;
                }
-               if (write)
+               if (write){
+                       mark_buffer_dirty(buffer);
                        memcpy(bufdata(buffer) + from, data, some);
+               }
                else
                        memcpy(data, bufdata(buffer) + from, some);
-               printf("transfer %u bytes, block 0x%Lx, buffer %p\n", some, 
(L)bufindex(buffer), buffer);
-               hexdump(bufdata(buffer) + from, some);
-               brelse_dirty(buffer);
+               trace_off("transfer %u bytes, block 0x%Lx, buffer %p\n", some, 
(L)bufindex(buffer), buffer);
+               //hexdump(bufdata(buffer) + from, some);
+               brelse(buffer);
                tail -= some;
                data += some;
                pos += some;

Regards,
Chinmay Kamat
Kushal Dalmia
Gaurav Tungatkar
Amey Magar

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