Test patches for RWF_NOACCESS
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/engines/io_uring.c b/engines/io_uring.c
index 9ba126d..f5d302d 100644
--- a/engines/io_uring.c
+++ b/engines/io_uring.c
@@ -76,6 +76,7 @@
unsigned int sqpoll_set;
unsigned int sqpoll_cpu;
unsigned int uncached;
+ unsigned int noaccess;
};
static int fio_ioring_sqpoll_cb(void *data, unsigned long long *val)
@@ -143,6 +144,15 @@
.group = FIO_OPT_G_IOURING,
},
{
+ .name = "noaccess",
+ .lname = "No access",
+ .type = FIO_OPT_INT,
+ .off1 = offsetof(struct ioring_options, noaccess),
+ .help = "Use RWF_NOACCESS for buffered reads",
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_IOURING,
+ },
+ {
.name = NULL,
},
};
@@ -192,6 +202,8 @@
}
if (!td->o.odirect && o->uncached)
sqe->rw_flags = RWF_UNCACHED;
+ if (!td->o.odirect && o->noaccess)
+ sqe->rw_flags = 0x80;
sqe->off = io_u->offset;
} else if (ddir_sync(io_u->ddir)) {
if (io_u->ddir == DDIR_SYNC_FILE_RANGE) {
diff --git a/engines/sync.c b/engines/sync.c
index 65fd210..94e3f85 100644
--- a/engines/sync.c
+++ b/engines/sync.c
@@ -40,6 +40,7 @@
unsigned int hipri;
unsigned int hipri_percentage;
unsigned int uncached;
+ unsigned int noaccess;
};
static struct fio_option options[] = {
@@ -74,6 +75,15 @@
.group = FIO_OPT_G_INVALID,
},
{
+ .name = "noaccess",
+ .lname = "noaccess",
+ .type = FIO_OPT_INT,
+ .off1 = offsetof(struct psyncv2_options, noaccess),
+ .help = "Use RWF_NOACCESS for buffered reads",
+ .category = FIO_OPT_C_ENGINE,
+ .group = FIO_OPT_G_INVALID,
+ },
+ {
.name = NULL,
},
};
@@ -164,6 +174,8 @@
flags |= RWF_HIPRI;
if (!td->o.odirect && o->uncached)
flags |= RWF_UNCACHED;
+ if (!td->o.odirect && o->noaccess)
+ flags |= 0x80;
iov->iov_base = io_u->xfer_buf;
iov->iov_len = io_u->xfer_buflen;
