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authorYan, Zheng <zyan@redhat.com>2017-01-19 11:21:29 +0800
committerIlya Dryomov <idryomov@gmail.com>2017-02-20 12:16:07 +0100
commitd641df819db8b80198fd85d9de91137e8a823b07 (patch)
tree9d8a8aad955db26b3f160b1d3b2a9a79afdddc14 /net/ceph/osd_client.c
parent24c149ad6914d349d8b64749f20f3f8ea5031fe0 (diff)
ceph: update readpages osd request according to size of pages
add_to_page_cache_lru() can fails, so the actual pages to read can be smaller than the initial size of osd request. We need to update osd request size in that case. Signed-off-by: Yan, Zheng <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com>
Diffstat (limited to 'net/ceph/osd_client.c')
-rw-r--r--net/ceph/osd_client.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 842f049abb86..3a2417bb6ff0 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -672,7 +672,8 @@ void osd_req_op_extent_update(struct ceph_osd_request *osd_req,
BUG_ON(length > previous);
op->extent.length = length;
- op->indata_len -= previous - length;
+ if (op->op == CEPH_OSD_OP_WRITE || op->op == CEPH_OSD_OP_WRITEFULL)
+ op->indata_len -= previous - length;
}
EXPORT_SYMBOL(osd_req_op_extent_update);