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authorJeff Layton <jlayton@redhat.com>2011-10-19 15:29:49 -0400
committerJeff Layton <jlayton@redhat.com>2011-10-19 15:29:49 -0400
commit44d22d846fdc7c3e688fc1ff5ae6d06d08bb5656 (patch)
treea7c55381c4eee74c2be9a4dc0728f0a927367d04 /fs/cifs/transport.c
parente9097ab48978c89b9c0926e2ae5d49bf6ea91b18 (diff)
downloadlinux-44d22d846fdc7c3e688fc1ff5ae6d06d08bb5656.tar.bz2
cifs: add a callback function to receive the rest of the frame
In order to handle larger SMBs for readpages and other calls, we want to be able to read into a preallocated set of buffers. Rather than changing all of the existing code to preallocate buffers however, we instead add a receive callback function to the MID. cifsd will call this function once the mid_q_entry has been identified in order to receive the rest of the SMB. If the mid can't be identified or the receive pointer is unset, then the standard 3rd phase receive function will be called. Reviewed-and-Tested-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Jeff Layton <jlayton@redhat.com>
Diffstat (limited to 'fs/cifs/transport.c')
-rw-r--r--fs/cifs/transport.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 33a3fbf3a3a5..e7398d0cd054 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -339,8 +339,8 @@ 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,
- bool ignore_pend)
+ unsigned int nvec, mid_receive_t *receive,
+ mid_callback_t *callback, void *cbdata, bool ignore_pend)
{
int rc;
struct mid_q_entry *mid;
@@ -374,6 +374,7 @@ cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
goto out_err;
}
+ mid->receive = receive;
mid->callback = callback;
mid->callback_data = cbdata;
mid->midState = MID_REQUEST_SUBMITTED;