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| author |   Ronnie Sahlberg <lsahlber@redhat.com> | 2019-03-08 12:58:19 +1000 |
|---|---|---|
| committer |   Steve French <stfrench@microsoft.com> | 2019-03-14 19:32:35 -0500 |
| commit | 4230cff8c0b7aaee7203e434b05a9acc1635fc04 (patch) | |
| tree | 08ae867483d8dd7f1e63ecec69805da30a4adaa5 /fs/cifs/transport.c | |
| parent | cifs: change wait_for_free_request() to take flags as argument (diff) | |
| download | linux-dev-4230cff8c0b7aaee7203e434b05a9acc1635fc04.tar.xz linux-dev-4230cff8c0b7aaee7203e434b05a9acc1635fc04.zip | |
cifs: pass flags down into wait_for_free_credits()
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs/cifs/transport.c')
| -rw-r--r-- | fs/cifs/transport.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index ed104c0550e8..9fcc4a82943d 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -486,15 +486,24 @@ smb_send(struct TCP_Server_Info *server, struct smb_hdr *smb_buffer, } static int -wait_for_free_credits(struct TCP_Server_Info *server, const int timeout, - int *credits, unsigned int *instance) +wait_for_free_credits(struct TCP_Server_Info *server, const int flags, + unsigned int *instance) { int rc; + int *credits; + int optype; + + optype = flags & CIFS_OP_MASK; *instance = 0; + credits = server->ops->get_credits_field(server, optype); + /* Since an echo is already inflight, no need to wait to send another */ + if (*credits <= 0 && optype == CIFS_ECHO_OP) + return -EAGAIN; + spin_lock(&server->req_lock); - if (timeout == CIFS_ASYNC_OP) { + if ((flags & CIFS_TIMEOUT_MASK) == CIFS_ASYNC_OP) { /* oplock breaks must not be held up */ server->in_flight++; *credits -= 1; @@ -525,7 +534,7 @@ wait_for_free_credits(struct TCP_Server_Info *server, const int timeout, */ /* update # of requests on the wire to server */ - if (timeout != CIFS_BLOCKING_OP) { + if ((flags & CIFS_TIMEOUT_MASK) != CIFS_BLOCKING_OP) { *credits -= 1; server->in_flight++; *instance = server->reconnect_instance; @@ -541,18 +550,7 @@ static int wait_for_free_request(struct TCP_Server_Info *server, const int flags, unsigned int *instance) { - int *val; - int timeout, optype; - - timeout = flags & CIFS_TIMEOUT_MASK; - optype = flags & CIFS_OP_MASK; - - val = server->ops->get_credits_field(server, optype); - /* Since an echo is already inflight, no need to wait to send another */ - if (*val <= 0 && optype == CIFS_ECHO_OP) - return -EAGAIN; - - return wait_for_free_credits(server, timeout, val, instance); + return wait_for_free_credits(server, flags, instance); } int |