The trim workload to zoned block devices is supported as zone reset, and
this feature is available for I/O engines which support both zoned
devices and trim workload. Libzbc I/O engine supports zoned devices but
lacks trim workload support. To enable trim support with libzbc I/O
engine, remove the check which inhibited trim from requests to libzbc
I/O engine. Also set file open flags for trim same as write, and call
zbd_do_io_u_trim() for trim I/O.
Of note is that libzbc I/O engine now can support trim to sequential
write required zones only. The trim I/Os to conventional zones are
reported as an error.
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
#include "fio.h"
#include "err.h"
#include "zbd_types.h"
#include "fio.h"
#include "err.h"
#include "zbd_types.h"
struct libzbc_data {
struct zbc_device *zdev;
struct libzbc_data {
struct zbc_device *zdev;
+ if (td_write(td) || td_trim(td)) {
if (!read_only)
flags |= O_RDWR;
} else if (td_read(td)) {
if (!read_only)
flags |= O_RDWR;
} else if (td_read(td)) {
flags |= O_RDWR;
else
flags |= O_RDONLY;
flags |= O_RDWR;
else
flags |= O_RDONLY;
- } else if (td_trim(td)) {
- td_verror(td, EINVAL, "libzbc does not support trim");
- log_err("%s: libzbc does not support trim\n", f->file_name);
- return -EINVAL;
ret = zbc_flush(ld->zdev);
if (ret)
log_err("zbc_flush error %zd\n", ret);
ret = zbc_flush(ld->zdev);
if (ret)
log_err("zbc_flush error %zd\n", ret);
- } else if (io_u->ddir != DDIR_TRIM) {
+ } else if (io_u->ddir == DDIR_TRIM) {
+ ret = zbd_do_io_u_trim(td, io_u);
+ if (!ret)
+ ret = EINVAL;
+ } else {
log_err("Unsupported operation %u\n", io_u->ddir);
ret = -EINVAL;
}
log_err("Unsupported operation %u\n", io_u->ddir);
ret = -EINVAL;
}