On Wed, Feb 12, 2003 at 06:33:23PM -0500, Bruno Diniz de Paula wrote:

> But your code doesn't use O_DIRECT:

Sorry, you need to edit it (see my previous email).  A better version
(appended) gives the following results.

cw:3@tapu(cw)$ cp od.c test
cw:3@tapu(cw)$ gcc -Wall od.c
cw:3@tapu(cw)$ ./a.out
read 503 bytes
read 0 bytes

> Let me know whether including O_DIRECT the test worked.

Seems to.  I get 0 the 2nd time about,  presumably this is EOF but
arguably it should return something else.

  --cw