libceph: don't complain on msgpool alloc failures
The pool allocation failures are masked by the pool; there is no need to
spam the console about them. (That's the whole point of having the pool
in the first place.)
Mark msg allocations whose failure is safely handled as such.
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 8d74ad7..b8731bf 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -945,7 +945,7 @@
seq, issue_seq, mseq, follows, size, max_size,
xattr_version, xattrs_buf ? (int)xattrs_buf->vec.iov_len : 0);
- msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPS, sizeof(*fc), GFP_NOFS);
+ msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPS, sizeof(*fc), GFP_NOFS, false);
if (!msg)
return -ENOMEM;
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 86c59e1..1d72f15 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -764,7 +764,8 @@
struct ceph_msg *msg;
struct ceph_mds_session_head *h;
- msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h), GFP_NOFS);
+ msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h), GFP_NOFS,
+ false);
if (!msg) {
pr_err("create_session_msg ENOMEM creating msg\n");
return NULL;
@@ -1240,7 +1241,7 @@
while (session->s_num_cap_releases < session->s_nr_caps + extra) {
spin_unlock(&session->s_cap_lock);
msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPRELEASE, PAGE_CACHE_SIZE,
- GFP_NOFS);
+ GFP_NOFS, false);
if (!msg)
goto out_unlocked;
dout("add_cap_releases %p msg %p now %d\n", session, msg,
@@ -1652,7 +1653,7 @@
if (req->r_old_dentry_drop)
len += req->r_old_dentry->d_name.len;
- msg = ceph_msg_new(CEPH_MSG_CLIENT_REQUEST, len, GFP_NOFS);
+ msg = ceph_msg_new(CEPH_MSG_CLIENT_REQUEST, len, GFP_NOFS, false);
if (!msg) {
msg = ERR_PTR(-ENOMEM);
goto out_free2;
@@ -2518,7 +2519,7 @@
goto fail_nopagelist;
ceph_pagelist_init(pagelist);
- reply = ceph_msg_new(CEPH_MSG_CLIENT_RECONNECT, 0, GFP_NOFS);
+ reply = ceph_msg_new(CEPH_MSG_CLIENT_RECONNECT, 0, GFP_NOFS, false);
if (!reply)
goto fail_nomsg;
@@ -2831,7 +2832,7 @@
dnamelen = dentry->d_name.len;
len += dnamelen;
- msg = ceph_msg_new(CEPH_MSG_CLIENT_LEASE, len, GFP_NOFS);
+ msg = ceph_msg_new(CEPH_MSG_CLIENT_LEASE, len, GFP_NOFS, false);
if (!msg)
return;
lease = msg->front.iov_base;
diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index d7adf15..bbd4a4b 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -238,7 +238,8 @@
extern struct ceph_connection *ceph_con_get(struct ceph_connection *con);
extern void ceph_con_put(struct ceph_connection *con);
-extern struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags);
+extern struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags,
+ bool can_fail);
extern void ceph_msg_kfree(struct ceph_msg *m);
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 9918e9e..2de711a 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -2281,7 +2281,8 @@
* construct a new message with given type, size
* the new msg has a ref count of 1.
*/
-struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags)
+struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags,
+ bool can_fail)
{
struct ceph_msg *m;
@@ -2333,7 +2334,7 @@
m->front.iov_base = kmalloc(front_len, flags);
}
if (m->front.iov_base == NULL) {
- pr_err("msg_new can't allocate %d bytes\n",
+ dout("ceph_msg_new can't allocate %d bytes\n",
front_len);
goto out2;
}
@@ -2348,7 +2349,13 @@
out2:
ceph_msg_put(m);
out:
- pr_err("msg_new can't create type %d front %d\n", type, front_len);
+ if (!can_fail) {
+ pr_err("msg_new can't create type %d front %d\n", type,
+ front_len);
+ } else {
+ dout("msg_new can't create type %d front %d\n", type,
+ front_len);
+ }
return NULL;
}
EXPORT_SYMBOL(ceph_msg_new);
@@ -2398,7 +2405,7 @@
}
if (!msg) {
*skip = 0;
- msg = ceph_msg_new(type, front_len, GFP_NOFS);
+ msg = ceph_msg_new(type, front_len, GFP_NOFS, false);
if (!msg) {
pr_err("unable to allocate msg type %d len %d\n",
type, front_len);
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 55672166..af2ef30 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -517,10 +517,12 @@
init_completion(&req->completion);
err = -ENOMEM;
- req->request = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h), GFP_NOFS);
+ req->request = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h), GFP_NOFS,
+ true);
if (!req->request)
goto out;
- req->reply = ceph_msg_new(CEPH_MSG_STATFS_REPLY, 1024, GFP_NOFS);
+ req->reply = ceph_msg_new(CEPH_MSG_STATFS_REPLY, 1024, GFP_NOFS,
+ true);
if (!req->reply)
goto out;
@@ -615,10 +617,12 @@
init_completion(&req->completion);
err = -ENOMEM;
- req->request = ceph_msg_new(CEPH_MSG_POOLOP, sizeof(*h), GFP_NOFS);
+ req->request = ceph_msg_new(CEPH_MSG_POOLOP, sizeof(*h), GFP_NOFS,
+ true);
if (!req->request)
goto out;
- req->reply = ceph_msg_new(CEPH_MSG_POOLOP_REPLY, 1024, GFP_NOFS);
+ req->reply = ceph_msg_new(CEPH_MSG_POOLOP_REPLY, 1024, GFP_NOFS,
+ true);
if (!req->reply)
goto out;
@@ -765,19 +769,21 @@
err = -ENOMEM;
monc->m_subscribe_ack = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE_ACK,
sizeof(struct ceph_mon_subscribe_ack),
- GFP_NOFS);
+ GFP_NOFS, true);
if (!monc->m_subscribe_ack)
goto out_con;
- monc->m_subscribe = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96, GFP_NOFS);
+ monc->m_subscribe = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96, GFP_NOFS,
+ true);
if (!monc->m_subscribe)
goto out_subscribe_ack;
- monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096, GFP_NOFS);
+ monc->m_auth_reply = ceph_msg_new(CEPH_MSG_AUTH_REPLY, 4096, GFP_NOFS,
+ true);
if (!monc->m_auth_reply)
goto out_subscribe;
- monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, GFP_NOFS);
+ monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, GFP_NOFS, true);
monc->pending_auth = 0;
if (!monc->m_auth)
goto out_auth_reply;
@@ -970,7 +976,7 @@
case CEPH_MSG_MON_MAP:
case CEPH_MSG_MDS_MAP:
case CEPH_MSG_OSD_MAP:
- m = ceph_msg_new(type, front_len, GFP_NOFS);
+ m = ceph_msg_new(type, front_len, GFP_NOFS, false);
break;
}
diff --git a/net/ceph/msgpool.c b/net/ceph/msgpool.c
index 1f4cb30..11d5f41 100644
--- a/net/ceph/msgpool.c
+++ b/net/ceph/msgpool.c
@@ -12,7 +12,7 @@
struct ceph_msgpool *pool = arg;
struct ceph_msg *msg;
- msg = ceph_msg_new(0, pool->front_len, gfp_mask);
+ msg = ceph_msg_new(0, pool->front_len, gfp_mask, true);
if (!msg) {
dout("msgpool_alloc %s failed\n", pool->name);
} else {
@@ -61,7 +61,7 @@
WARN_ON(1);
/* try to alloc a fresh message */
- return ceph_msg_new(0, front_len, GFP_NOFS);
+ return ceph_msg_new(0, front_len, GFP_NOFS, false);
}
msg = mempool_alloc(pool->pool, GFP_NOFS);
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 88ad8a2..01ceb59 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -227,7 +227,7 @@
msg = ceph_msgpool_get(&osdc->msgpool_op_reply, 0);
else
msg = ceph_msg_new(CEPH_MSG_OSD_OPREPLY,
- OSD_OPREPLY_FRONT_LEN, gfp_flags);
+ OSD_OPREPLY_FRONT_LEN, gfp_flags, true);
if (!msg) {
ceph_osdc_put_request(req);
return NULL;
@@ -250,7 +250,7 @@
if (use_mempool)
msg = ceph_msgpool_get(&osdc->msgpool_op, 0);
else
- msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size, gfp_flags);
+ msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size, gfp_flags, true);
if (!msg) {
ceph_osdc_put_request(req);
return NULL;
@@ -2032,7 +2032,7 @@
if (front > req->r_reply->front.iov_len) {
pr_warning("get_reply front %d > preallocated %d\n",
front, (int)req->r_reply->front.iov_len);
- m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front, GFP_NOFS);
+ m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front, GFP_NOFS, false);
if (!m)
goto out;
ceph_msg_put(req->r_reply);
@@ -2080,7 +2080,7 @@
switch (type) {
case CEPH_MSG_OSD_MAP:
case CEPH_MSG_WATCH_NOTIFY:
- return ceph_msg_new(type, front, GFP_NOFS);
+ return ceph_msg_new(type, front, GFP_NOFS, false);
case CEPH_MSG_OSD_OPREPLY:
return get_reply(con, hdr, skip);
default: