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| author | Jeff Layton <jlayton@redhat.com> | 2011-01-11 07:24:02 -0500 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2011-01-20 17:41:02 +0000 |
| commit | 74dd92a881b62014ca3c754db6868e1f142f2fb9 (patch) | |
| tree | c6e8c0ad9a722602d55511d11e8353f67bfb80f6 /fs | |
| parent | dad255b182363db1d1124458cd3fb0a4deac0d0f (diff) | |
| download | linux-74dd92a881b62014ca3c754db6868e1f142f2fb9.tar.gz linux-74dd92a881b62014ca3c754db6868e1f142f2fb9.tar.bz2 linux-74dd92a881b62014ca3c754db6868e1f142f2fb9.zip | |
cifs: clean up sync_mid_result
Make it use a switch statement based on the value of the midStatus. If
the resp_buf is set, then MID_RESPONSE_RECEIVED is too.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/transport.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index f65cdec042e4..6abd1445c983 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -363,28 +363,29 @@ sync_mid_result(struct mid_q_entry *mid, struct TCP_Server_Info *server) { int rc = 0; - spin_lock(&GlobalMid_Lock); + cFYI(1, "%s: cmd=%d mid=%d state=%d", __func__, mid->command, + mid->mid, mid->midState); - if (mid->resp_buf) { + spin_lock(&GlobalMid_Lock); + switch (mid->midState) { + case MID_RESPONSE_RECEIVED: spin_unlock(&GlobalMid_Lock); return rc; - } - - cERROR(1, "No response to cmd %d mid %d", mid->command, mid->mid); - if (mid->midState == MID_REQUEST_SUBMITTED) { - if (server->tcpStatus == CifsExiting) + case MID_REQUEST_SUBMITTED: + /* socket is going down, reject all calls */ + if (server->tcpStatus == CifsExiting) { + cERROR(1, "%s: canceling mid=%d cmd=0x%x state=%d", + __func__, mid->mid, mid->command, mid->midState); rc = -EHOSTDOWN; - else - mid->midState = MID_RETRY_NEEDED; - } - - if (rc != -EHOSTDOWN) { - if (mid->midState == MID_RETRY_NEEDED) { - rc = -EAGAIN; - cFYI(1, "marking request for retry"); - } else { - rc = -EIO; + break; } + case MID_RETRY_NEEDED: + rc = -EAGAIN; + break; + default: + cERROR(1, "%s: invalid mid state mid=%d state=%d", __func__, + mid->mid, mid->midState); + rc = -EIO; } spin_unlock(&GlobalMid_Lock); |