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path: root/fs/smb/client/smb2ops.c
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Diffstat (limited to 'fs/smb/client/smb2ops.c')
-rw-r--r--fs/smb/client/smb2ops.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 5639d8c48570..87abce010974 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -109,7 +109,11 @@ smb2_add_credits(struct TCP_Server_Info *server,
server->credits--;
server->oplock_credits++;
}
- }
+ } else if ((server->in_flight > 0) && (server->oplock_credits > 3) &&
+ ((optype & CIFS_OP_MASK) == CIFS_OBREAK_OP))
+ /* if now have too many oplock credits, rebalance so don't starve normal ops */
+ change_conf(server);
+
scredits = *val;
in_flight = server->in_flight;
spin_unlock(&server->req_lock);
@@ -211,6 +215,16 @@ smb2_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size,
spin_lock(&server->req_lock);
while (1) {
+ spin_unlock(&server->req_lock);
+
+ spin_lock(&server->srv_lock);
+ if (server->tcpStatus == CifsExiting) {
+ spin_unlock(&server->srv_lock);
+ return -ENOENT;
+ }
+ spin_unlock(&server->srv_lock);
+
+ spin_lock(&server->req_lock);
if (server->credits <= 0) {
spin_unlock(&server->req_lock);
cifs_num_waiters_inc(server);
@@ -221,15 +235,6 @@ smb2_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size,
return rc;
spin_lock(&server->req_lock);
} else {
- spin_unlock(&server->req_lock);
- spin_lock(&server->srv_lock);
- if (server->tcpStatus == CifsExiting) {
- spin_unlock(&server->srv_lock);
- return -ENOENT;
- }
- spin_unlock(&server->srv_lock);
-
- spin_lock(&server->req_lock);
scredits = server->credits;
/* can deadlock with reopen */
if (scredits <= 8) {
@@ -4409,6 +4414,8 @@ smb2_get_enc_key(struct TCP_Server_Info *server, __u64 ses_id, int enc, u8 *key)
}
spin_unlock(&cifs_tcp_ses_lock);
+ trace_smb3_ses_not_found(ses_id);
+
return -EAGAIN;
}
/*
@@ -4439,8 +4446,8 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst,
rc = smb2_get_enc_key(server, le64_to_cpu(tr_hdr->SessionId), enc, key);
if (rc) {
- cifs_server_dbg(VFS, "%s: Could not get %scryption key\n", __func__,
- enc ? "en" : "de");
+ cifs_server_dbg(FYI, "%s: Could not get %scryption key. sid: 0x%llx\n", __func__,
+ enc ? "en" : "de", le64_to_cpu(tr_hdr->SessionId));
return rc;
}