Initial commit for TRIM/DISCARD support

[fio.git] / engines / posixaio.c

diff --git a/engines/posixaio.c b/engines/posixaio.c
index 7098d72677428d2dc314eb550f34129566ddc533..b454aa01e2b50495db4bbcfa1bd6a632dafb6b93 100644 (file)
--- a/engines/posixaio.c
+++ b/engines/posixaio.c
@@ -124,9 +124,6 @@ restart:
                        io_u->resid = io_u->xfer_buflen - retval;
                } else
                        io_u->error = err;
-
-               if (r >= max)
-                       break;
        }
 
        if (r >= min)
@@ -168,7 +165,13 @@ static int fio_posixaio_queue(struct thread_data fio_unused *td,
                ret = aio_read(aiocb);
        else if (io_u->ddir == DDIR_WRITE)
                ret = aio_write(aiocb);
-       else {
+       else if (io_u->ddir == DDIR_TRIM) {
+               if (pd->queued)
+                       return FIO_Q_BUSY;
+
+               do_io_u_trim(td, io_u);
+               return FIO_Q_COMPLETED;
+       } else {
 #ifdef FIO_HAVE_POSIXAIO_FSYNC
                ret = aio_fsync(O_SYNC, aiocb);
 #else