Add support for trim as a workload type
This only works on Linux so far, and it's always sync given what
the interface to the kernel looks like. Also restricted to pure
block devices.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/io_ddir.h b/io_ddir.h
index b234256..fa3b143 100644
--- a/io_ddir.h
+++ b/io_ddir.h
@@ -3,12 +3,13 @@
enum fio_ddir {
DDIR_READ = 0,
- DDIR_WRITE,
- DDIR_SYNC,
+ DDIR_WRITE = 1,
+ DDIR_TRIM = 2,
+ DDIR_RWDIR_CNT = 3,
+ DDIR_SYNC = 3,
DDIR_DATASYNC,
DDIR_SYNC_FILE_RANGE,
DDIR_WAIT,
- DDIR_TRIM,
DDIR_INVAL = -1,
};
@@ -16,14 +17,17 @@
TD_DDIR_READ = 1 << 0,
TD_DDIR_WRITE = 1 << 1,
TD_DDIR_RAND = 1 << 2,
+ TD_DDIR_TRIM = 1 << 3,
TD_DDIR_RW = TD_DDIR_READ | TD_DDIR_WRITE,
TD_DDIR_RANDREAD = TD_DDIR_READ | TD_DDIR_RAND,
TD_DDIR_RANDWRITE = TD_DDIR_WRITE | TD_DDIR_RAND,
TD_DDIR_RANDRW = TD_DDIR_RW | TD_DDIR_RAND,
+ TD_DDIR_RANDTRIM = TD_DDIR_TRIM | TD_DDIR_RAND,
};
#define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ)
#define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE)
+#define td_trim(td) ((td)->o.td_ddir & TD_DDIR_TRIM)
#define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW)
#define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND)
#define file_randommap(td, f) (!(td)->o.norandommap && (f)->file_map)
@@ -36,7 +40,9 @@
static inline int ddir_rw(enum fio_ddir ddir)
{
- return ddir == DDIR_READ || ddir == DDIR_WRITE;
+ return ddir == DDIR_READ || ddir == DDIR_WRITE || ddir == DDIR_TRIM;
}
+#define ddir_trim(ddir) ((ddir) == DDIR_TRIM)
+
#endif