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authorJeff Layton <jlayton@redhat.com>2011-05-19 16:22:55 -0400
committerSteve French <sfrench@us.ibm.com>2011-05-23 02:59:16 +0000
commit59ffd84141472c45a1729a739e4730f974d26e63 (patch)
tree4790475b37a8130049ca6b33c2fe4115ee709e94 /fs/cifs
parentfcc31cb6f1ae6c4e64a463b124d3c2e9cbd7dd70 (diff)
downloadop-kernel-dev-59ffd84141472c45a1729a739e4730f974d26e63.zip
op-kernel-dev-59ffd84141472c45a1729a739e4730f974d26e63.tar.gz
cifs: add ignore_pend flag to cifs_call_async
The current code always ignores the max_pending limit. Have it instead only optionally ignore the pending limit. For CIFSSMBEcho, we need to ignore it to make sure they always can go out. For async reads, writes and potentially other calls, we need to respect it. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/cifsproto.h2
-rw-r--r--fs/cifs/cifssmb.c2
-rw-r--r--fs/cifs/transport.c5
3 files changed, 5 insertions, 4 deletions
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index f00aa74..3738a32 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -69,7 +69,7 @@ extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
unsigned int nvec, mid_callback_t *callback,
- void *cbdata);
+ void *cbdata, bool ignore_pend);
extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
struct smb_hdr * /* input */ ,
struct smb_hdr * /* out */ ,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 8791c74..e0d2413 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -743,7 +743,7 @@ CIFSSMBEcho(struct TCP_Server_Info *server)
iov.iov_base = smb;
iov.iov_len = be32_to_cpu(smb->hdr.smb_buf_length) + 4;
- rc = cifs_call_async(server, &iov, 1, cifs_echo_callback, server);
+ rc = cifs_call_async(server, &iov, 1, cifs_echo_callback, server, true);
if (rc)
cFYI(1, "Echo request failed: %d", rc);
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 67f59c7..16bcc07 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -343,13 +343,14 @@ wait_for_response(struct TCP_Server_Info *server, struct mid_q_entry *midQ)
*/
int
cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
- unsigned int nvec, mid_callback_t *callback, void *cbdata)
+ unsigned int nvec, mid_callback_t *callback, void *cbdata,
+ bool ignore_pend)
{
int rc;
struct mid_q_entry *mid;
struct smb_hdr *hdr = (struct smb_hdr *)iov[0].iov_base;
- rc = wait_for_free_request(server, CIFS_ASYNC_OP);
+ rc = wait_for_free_request(server, ignore_pend ? CIFS_ASYNC_OP : 0);
if (rc)
return rc;
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