diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/llite/vvp_io.c')
-rw-r--r-- | drivers/staging/lustre/lustre/llite/vvp_io.c | 45 |
1 files changed, 4 insertions, 41 deletions
diff --git a/drivers/staging/lustre/lustre/llite/vvp_io.c b/drivers/staging/lustre/lustre/llite/vvp_io.c index 94916dcc6caa..48646009290d 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_io.c +++ b/drivers/staging/lustre/lustre/llite/vvp_io.c @@ -55,18 +55,6 @@ static struct vvp_io *cl2vvp_io(const struct lu_env *env, } /** - * True, if \a io is a normal io, False for splice_{read,write} - */ -static int cl_is_normalio(const struct lu_env *env, const struct cl_io *io) -{ - struct vvp_io *vio = vvp_env_io(env); - - LASSERT(io->ci_type == CIT_READ || io->ci_type == CIT_WRITE); - - return vio->vui_io_subtype == IO_NORMAL; -} - -/** * For swapping layout. The file's layout may have changed. * To avoid populating pages to a wrong stripe, we have to verify the * correctness of layout. It works because swapping layout processes @@ -391,9 +379,6 @@ static int vvp_mmap_locks(const struct lu_env *env, LASSERT(io->ci_type == CIT_READ || io->ci_type == CIT_WRITE); - if (!cl_is_normalio(env, io)) - return 0; - if (!vio->vui_iter) /* nfs or loop back device write */ return 0; @@ -462,15 +447,10 @@ static void vvp_io_advance(const struct lu_env *env, const struct cl_io_slice *ios, size_t nob) { - struct vvp_io *vio = cl2vvp_io(env, ios); - struct cl_io *io = ios->cis_io; struct cl_object *obj = ios->cis_io->ci_obj; - + struct vvp_io *vio = cl2vvp_io(env, ios); CLOBINVRNT(env, obj, vvp_object_invariant(obj)); - if (!cl_is_normalio(env, io)) - return; - iov_iter_reexpand(vio->vui_iter, vio->vui_tot_count -= nob); } @@ -479,7 +459,7 @@ static void vvp_io_update_iov(const struct lu_env *env, { size_t size = io->u.ci_rw.crw_count; - if (!cl_is_normalio(env, io) || !vio->vui_iter) + if (!vio->vui_iter) return; iov_iter_truncate(vio->vui_iter, size); @@ -716,25 +696,8 @@ static int vvp_io_read_start(const struct lu_env *env, /* BUG: 5972 */ file_accessed(file); - switch (vio->vui_io_subtype) { - case IO_NORMAL: - LASSERT(vio->vui_iocb->ki_pos == pos); - result = generic_file_read_iter(vio->vui_iocb, vio->vui_iter); - break; - case IO_SPLICE: - result = generic_file_splice_read(file, &pos, - vio->u.splice.vui_pipe, cnt, - vio->u.splice.vui_flags); - /* LU-1109: do splice read stripe by stripe otherwise if it - * may make nfsd stuck if this read occupied all internal pipe - * buffers. - */ - io->ci_continue = 0; - break; - default: - CERROR("Wrong IO type %u\n", vio->vui_io_subtype); - LBUG(); - } + LASSERT(vio->vui_iocb->ki_pos == pos); + result = generic_file_read_iter(vio->vui_iocb, vio->vui_iter); out: if (result >= 0) { |