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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /net/ceph/osd_client.c
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'net/ceph/osd_client.c')
-rw-r--r--net/ceph/osd_client.c49
1 files changed, 41 insertions, 8 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index aee117f83..a97e7b506 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -387,7 +387,9 @@ static void target_copy(struct ceph_osd_request_target *dest,
static void target_destroy(struct ceph_osd_request_target *t)
{
ceph_oid_destroy(&t->base_oid);
+ ceph_oloc_destroy(&t->base_oloc);
ceph_oid_destroy(&t->target_oid);
+ ceph_oloc_destroy(&t->target_oloc);
}
/*
@@ -533,6 +535,11 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc,
}
EXPORT_SYMBOL(ceph_osdc_alloc_request);
+static int ceph_oloc_encoding_size(struct ceph_object_locator *oloc)
+{
+ return 8 + 4 + 4 + 4 + (oloc->pool_ns ? oloc->pool_ns->len : 0);
+}
+
int ceph_osdc_alloc_messages(struct ceph_osd_request *req, gfp_t gfp)
{
struct ceph_osd_client *osdc = req->r_osdc;
@@ -540,11 +547,13 @@ int ceph_osdc_alloc_messages(struct ceph_osd_request *req, gfp_t gfp)
int msg_size;
WARN_ON(ceph_oid_empty(&req->r_base_oid));
+ WARN_ON(ceph_oloc_empty(&req->r_base_oloc));
/* create request message */
msg_size = 4 + 4 + 4; /* client_inc, osdmap_epoch, flags */
msg_size += 4 + 4 + 4 + 8; /* mtime, reassert_version */
- msg_size += 2 + 4 + 8 + 4 + 4; /* oloc */
+ msg_size += CEPH_ENCODING_START_BLK_LEN +
+ ceph_oloc_encoding_size(&req->r_base_oloc); /* oloc */
msg_size += 1 + 8 + 4 + 4; /* pgid */
msg_size += 4 + req->r_base_oid.name_len; /* oid */
msg_size += 2 + req->r_num_ops * sizeof(struct ceph_osd_op);
@@ -932,7 +941,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
if (opcode == CEPH_OSD_OP_CREATE || opcode == CEPH_OSD_OP_DELETE) {
osd_req_op_init(req, which, opcode, 0);
} else {
- u32 object_size = le32_to_cpu(layout->fl_object_size);
+ u32 object_size = layout->object_size;
u32 object_base = off - objoff;
if (!(truncate_seq == 1 && truncate_size == -1ULL)) {
if (truncate_size <= object_base) {
@@ -948,7 +957,8 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
}
req->r_flags = flags;
- req->r_base_oloc.pool = ceph_file_layout_pg_pool(*layout);
+ req->r_base_oloc.pool = layout->pool_id;
+ req->r_base_oloc.pool_ns = ceph_try_get_string(layout->pool_ns);
ceph_oid_printf(&req->r_base_oid, "%llx.%08llx", vino.ino, objnum);
req->r_snapid = vino.snap;
@@ -1489,12 +1499,16 @@ static void encode_request(struct ceph_osd_request *req, struct ceph_msg *msg)
p += sizeof(req->r_replay_version);
/* oloc */
- ceph_encode_8(&p, 4);
- ceph_encode_8(&p, 4);
- ceph_encode_32(&p, 8 + 4 + 4);
+ ceph_start_encoding(&p, 5, 4,
+ ceph_oloc_encoding_size(&req->r_t.target_oloc));
ceph_encode_64(&p, req->r_t.target_oloc.pool);
ceph_encode_32(&p, -1); /* preferred */
ceph_encode_32(&p, 0); /* key len */
+ if (req->r_t.target_oloc.pool_ns)
+ ceph_encode_string(&p, end, req->r_t.target_oloc.pool_ns->str,
+ req->r_t.target_oloc.pool_ns->len);
+ else
+ ceph_encode_32(&p, 0);
/* pgid */
ceph_encode_8(&p, 1);
@@ -2594,9 +2608,22 @@ static int ceph_oloc_decode(void **p, void *end,
}
if (struct_v >= 5) {
+ bool changed = false;
+
len = ceph_decode_32(p);
if (len > 0) {
- pr_warn("ceph_object_locator::nspace is set\n");
+ ceph_decode_need(p, end, len, e_inval);
+ if (!oloc->pool_ns ||
+ ceph_compare_string(oloc->pool_ns, *p, len))
+ changed = true;
+ *p += len;
+ } else {
+ if (oloc->pool_ns)
+ changed = true;
+ }
+ if (changed) {
+ /* redirect changes namespace */
+ pr_warn("ceph_object_locator::nspace is changed\n");
goto e_inval;
}
}
@@ -2806,7 +2833,9 @@ static void handle_reply(struct ceph_osd *osd, struct ceph_msg *msg)
goto out_unlock_session;
}
+ m.redirect.oloc.pool_ns = req->r_t.target_oloc.pool_ns;
ret = decode_MOSDOpReply(msg, &m);
+ m.redirect.oloc.pool_ns = NULL;
if (ret) {
pr_err("failed to decode MOSDOpReply for tid %llu: %d\n",
req->r_tid, ret);
@@ -2835,7 +2864,11 @@ static void handle_reply(struct ceph_osd *osd, struct ceph_msg *msg)
unlink_request(osd, req);
mutex_unlock(&osd->lock);
- ceph_oloc_copy(&req->r_t.target_oloc, &m.redirect.oloc);
+ /*
+ * Not ceph_oloc_copy() - changing pool_ns is not
+ * supported.
+ */
+ req->r_t.target_oloc.pool = m.redirect.oloc.pool;
req->r_flags |= CEPH_OSD_FLAG_REDIRECTED;
req->r_tid = 0;
__submit_request(req, false);