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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-02-01 09:06:26 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-02-01 09:06:26 +0100
commit45bf86e7731606a475b7f989486de23b0784bfe7 (patch)
treedac8a776783d6322bedf346060fb6000251c8b40 /fs/ceph/mds_client.c
parent059c7a5a748d4e7481d8b1b4cf0e182cb81496ad (diff)
parent18566acac18f5784347bc5fe636a26897d1c963b (diff)
downloadblackbird-op-linux-45bf86e7731606a475b7f989486de23b0784bfe7.tar.gz
blackbird-op-linux-45bf86e7731606a475b7f989486de23b0784bfe7.zip
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Backmerge to resync and also so that Ville can apply a cleanup patch from Takashi. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'fs/ceph/mds_client.c')
-rw-r--r--fs/ceph/mds_client.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 4f49253387a0..c9d2e553a6c4 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -288,12 +288,13 @@ static int parse_reply_info_extra(void **p, void *end,
struct ceph_mds_reply_info_parsed *info,
u64 features)
{
- if (info->head->op == CEPH_MDS_OP_GETFILELOCK)
+ u32 op = le32_to_cpu(info->head->op);
+
+ if (op == CEPH_MDS_OP_GETFILELOCK)
return parse_reply_info_filelock(p, end, info, features);
- else if (info->head->op == CEPH_MDS_OP_READDIR ||
- info->head->op == CEPH_MDS_OP_LSSNAP)
+ else if (op == CEPH_MDS_OP_READDIR || op == CEPH_MDS_OP_LSSNAP)
return parse_reply_info_dir(p, end, info, features);
- else if (info->head->op == CEPH_MDS_OP_CREATE)
+ else if (op == CEPH_MDS_OP_CREATE)
return parse_reply_info_create(p, end, info, features);
else
return -EIO;
@@ -2106,6 +2107,11 @@ static int __do_request(struct ceph_mds_client *mdsc,
dout("do_request mdsmap err %d\n", err);
goto finish;
}
+ if (mdsc->mdsmap->m_epoch == 0) {
+ dout("do_request no mdsmap, waiting for map\n");
+ list_add(&req->r_wait, &mdsc->waiting_for_map);
+ goto finish;
+ }
if (!(mdsc->fsc->mount_options->flags &
CEPH_MOUNT_OPT_MOUNTWAIT) &&
!ceph_mdsmap_is_cluster_available(mdsc->mdsmap)) {
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