kernel client is still sending write,startsync. that startsync is a no-op (has been for years) and can probably be removed
Link: http://tracker.ceph.com/issues/20604 Signed-off-by: Yanhu Cao <gmayy...@gmail.com> --- fs/ceph/addr.c | 9 ++------- fs/ceph/file.c | 5 +---- include/linux/ceph/rados.h | 1 - net/ceph/osd_client.c | 5 ----- 4 files changed, 3 insertions(+), 17 deletions(-) diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 5083628..f9a1805 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -939,7 +939,7 @@ static int ceph_writepages_start(struct address_space *mapping, break; } - num_ops = 1 + do_sync; + num_ops = 1; strip_unit_end = page->index + ((len - 1) >> PAGE_SHIFT); @@ -1045,7 +1045,7 @@ static int ceph_writepages_start(struct address_space *mapping, for (i = 0; i < locked_pages; i++) { u64 cur_offset = page_offset(pages[i]); if (offset + len != cur_offset) { - if (op_idx + do_sync + 1 == req->r_num_ops) + if (op_idx + 1 == req->r_num_ops) break; osd_req_op_extent_dup_last(req, op_idx, cur_offset - offset); @@ -1082,17 +1082,12 @@ static int ceph_writepages_start(struct address_space *mapping, 0, !!pool, false); osd_req_op_extent_update(req, op_idx, len); - if (do_sync) { - op_idx++; - osd_req_op_init(req, op_idx, CEPH_OSD_OP_STARTSYNC, 0); - } BUG_ON(op_idx + 1 != req->r_num_ops); pool = NULL; if (i < locked_pages) { BUG_ON(num_ops <= req->r_num_ops); num_ops -= req->r_num_ops; - num_ops += do_sync; locked_pages -= i; /* allocate new pages array for next request */ diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 3d48c41..405c99b 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -800,7 +800,6 @@ static void ceph_aio_retry_work(struct work_struct *work) } req->r_ops[0] = orig_req->r_ops[0]; - osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC, 0); req->r_mtime = aio_req->mtime; req->r_data_offset = req->r_ops[0].extent.offset; @@ -874,8 +873,7 @@ static void ceph_aio_retry_work(struct work_struct *work) vino = ceph_vino(inode); req = ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout, vino, pos, &size, 0, - /*include a 'startsync' command*/ - write ? 2 : 1, + 1, write ? CEPH_OSD_OP_WRITE : CEPH_OSD_OP_READ, flags, snapc, @@ -922,7 +920,6 @@ static void ceph_aio_retry_work(struct work_struct *work) truncate_inode_pages_range(inode->i_mapping, pos, (pos+len) | (PAGE_SIZE - 1)); - osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC, 0); req->r_mtime = mtime; } diff --git a/include/linux/ceph/rados.h b/include/linux/ceph/rados.h index 385db08..ba5adf0 100644 --- a/include/linux/ceph/rados.h +++ b/include/linux/ceph/rados.h @@ -226,7 +226,6 @@ struct ceph_eversion { \ /* fancy write */ \ f(APPEND, __CEPH_OSD_OP(WR, DATA, 6), "append") \ - f(STARTSYNC, __CEPH_OSD_OP(WR, DATA, 7), "startsync") \ f(SETTRUNC, __CEPH_OSD_OP(WR, DATA, 8), "settrunc") \ f(TRIMTRUNC, __CEPH_OSD_OP(WR, DATA, 9), "trimtrunc") \ \ diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 901bb82..5c9d696 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -863,8 +863,6 @@ static u32 osd_req_encode_op(struct ceph_osd_op *dst, dst->cls.method_len = src->cls.method_len; dst->cls.indata_len = cpu_to_le32(src->cls.indata_len); break; - case CEPH_OSD_OP_STARTSYNC: - break; case CEPH_OSD_OP_WATCH: dst->watch.cookie = cpu_to_le64(src->watch.cookie); dst->watch.ver = cpu_to_le64(0); @@ -916,9 +914,6 @@ static u32 osd_req_encode_op(struct ceph_osd_op *dst, * if the file was recently truncated, we include information about its * old and new size so that the object can be updated appropriately. (we * avoid synchronously deleting truncated objects because it's slow.) - * - * if @do_sync, include a 'startsync' command so that the osd will flush - * data quickly. */ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, struct ceph_file_layout *layout, -- 1.8.3.1
