diff options
| -rw-r--r-- | module/os/freebsd/zfs/zvol_os.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/module/os/freebsd/zfs/zvol_os.c b/module/os/freebsd/zfs/zvol_os.c index 1993ca563..34aad72fb 100644 --- a/module/os/freebsd/zfs/zvol_os.c +++ b/module/os/freebsd/zfs/zvol_os.c @@ -767,6 +767,7 @@ zvol_cdev_read(struct cdev *dev, struct uio *uio_s, int ioflag) (zfs_uio_offset(&uio) < 0 || zfs_uio_offset(&uio) > volsize)) return (SET_ERROR(EIO)); + ssize_t start_resid = zfs_uio_resid(&uio); lr = zfs_rangelock_enter(&zv->zv_rangelock, zfs_uio_offset(&uio), zfs_uio_resid(&uio), RL_READER); while (zfs_uio_resid(&uio) > 0 && zfs_uio_offset(&uio) < volsize) { @@ -785,6 +786,8 @@ zvol_cdev_read(struct cdev *dev, struct uio *uio_s, int ioflag) } } zfs_rangelock_exit(lr); + int64_t nread = start_resid - zfs_uio_resid(&uio); + dataset_kstats_update_read_kstats(&zv->zv_kstat, nread); return (error); } @@ -809,6 +812,7 @@ zvol_cdev_write(struct cdev *dev, struct uio *uio_s, int ioflag) (zfs_uio_offset(&uio) < 0 || zfs_uio_offset(&uio) > volsize)) return (SET_ERROR(EIO)); + ssize_t start_resid = zfs_uio_resid(&uio); sync = (ioflag & IO_SYNC) || (zv->zv_objset->os_sync == ZFS_SYNC_ALWAYS); @@ -840,6 +844,8 @@ zvol_cdev_write(struct cdev *dev, struct uio *uio_s, int ioflag) break; } zfs_rangelock_exit(lr); + int64_t nwritten = start_resid - zfs_uio_resid(&uio); + dataset_kstats_update_write_kstats(&zv->zv_kstat, nwritten); if (sync) zil_commit(zv->zv_zilog, ZVOL_OBJ); rw_exit(&zv->zv_suspend_lock); |