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| author | Ilya Dryomov <idryomov@gmail.com> | 2016-09-13 20:18:01 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2016-10-03 16:13:47 +0200 |
| commit | c2e82414884718ad6ec33a7528606cb07cf55cb4 (patch) | |
| tree | 6433dcfbff2879085b729f9fc93826cf3cc4fac3 /drivers/block | |
| parent | 058aa9919147da9f088a96982a19ea0864139dc8 (diff) | |
| download | linux-c2e82414884718ad6ec33a7528606cb07cf55cb4.tar.bz2 | |
rbd: mark the original request as done if stat request fails
If stat request fails with something other than -ENOENT (which just
means that we need to copyup), the original object request is never
marked as done and therefore never completed. Fix this by moving the
mark done + complete snippet from rbd_img_obj_parent_read_full() into
rbd_img_obj_exists_callback(). The former remains covered, as the
latter is its only caller (through rbd_img_obj_request_submit()).
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: David Disseldorp <ddiss@suse.de>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/rbd.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index fb7f86d123ea..5e55d1c98471 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2742,8 +2742,8 @@ out_err: * When the read completes, this page array will be transferred to * the original object request for the copyup operation. * - * If an error occurs, record it as the result of the original - * object request and mark it done so it gets completed. + * If an error occurs, it is recorded as the result of the original + * object request in rbd_img_obj_exists_callback(). */ static int rbd_img_obj_parent_read_full(struct rbd_obj_request *obj_request) { @@ -2813,10 +2813,6 @@ out_err: ceph_release_page_vector(pages, page_count); if (parent_request) rbd_img_request_put(parent_request); - obj_request->result = result; - obj_request->xferred = 0; - obj_request_done_set(obj_request); - return result; } @@ -2868,19 +2864,25 @@ static void rbd_img_obj_exists_callback(struct rbd_obj_request *obj_request) obj_request_existence_set(orig_request, true); } else if (result == -ENOENT) { obj_request_existence_set(orig_request, false); - } else if (result) { - orig_request->result = result; - goto out; + } else { + goto fail_orig_request; } /* * Resubmit the original request now that we have recorded * whether the target object exists. */ - orig_request->result = rbd_img_obj_request_submit(orig_request); -out: - if (orig_request->result) - rbd_obj_request_complete(orig_request); + result = rbd_img_obj_request_submit(orig_request); + if (result) + goto fail_orig_request; + + return; + +fail_orig_request: + orig_request->result = result; + orig_request->xferred = 0; + obj_request_done_set(orig_request); + rbd_obj_request_complete(orig_request); } static int rbd_img_obj_exists_submit(struct rbd_obj_request *obj_request) |