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Diffstat (limited to 'fs/ceph/mds_client.c')
-rw-r--r--fs/ceph/mds_client.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 8cc4d4e..f7bfc22 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1552,9 +1552,15 @@ void ceph_send_cap_releases(struct ceph_mds_client *mdsc,
struct ceph_msg *msg = NULL;
struct ceph_mds_cap_release *head;
struct ceph_mds_cap_item *item;
+ struct ceph_osd_client *osdc = &mdsc->fsc->client->osdc;
struct ceph_cap *cap;
LIST_HEAD(tmp_list);
int num_cap_releases;
+ __le32 barrier, *cap_barrier;
+
+ down_read(&osdc->lock);
+ barrier = cpu_to_le32(osdc->epoch_barrier);
+ up_read(&osdc->lock);
spin_lock(&session->s_cap_lock);
again:
@@ -1572,7 +1578,11 @@ again:
head = msg->front.iov_base;
head->num = cpu_to_le32(0);
msg->front.iov_len = sizeof(*head);
+
+ msg->hdr.version = cpu_to_le16(2);
+ msg->hdr.compat_version = cpu_to_le16(1);
}
+
cap = list_first_entry(&tmp_list, struct ceph_cap,
session_caps);
list_del(&cap->session_caps);
@@ -1590,6 +1600,11 @@ again:
ceph_put_cap(mdsc, cap);
if (le32_to_cpu(head->num) == CEPH_CAPS_PER_RELEASE) {
+ // Append cap_barrier field
+ cap_barrier = msg->front.iov_base + msg->front.iov_len;
+ *cap_barrier = barrier;
+ msg->front.iov_len += sizeof(*cap_barrier);
+
msg->hdr.front_len = cpu_to_le32(msg->front.iov_len);
dout("send_cap_releases mds%d %p\n", session->s_mds, msg);
ceph_con_send(&session->s_con, msg);
@@ -1605,6 +1620,11 @@ again:
spin_unlock(&session->s_cap_lock);
if (msg) {
+ // Append cap_barrier field
+ cap_barrier = msg->front.iov_base + msg->front.iov_len;
+ *cap_barrier = barrier;
+ msg->front.iov_len += sizeof(*cap_barrier);
+
msg->hdr.front_len = cpu_to_le32(msg->front.iov_len);
dout("send_cap_releases mds%d %p\n", session->s_mds, msg);
ceph_con_send(&session->s_con, msg);
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