This is part [6/7] of the v9fs-2.0.2 patch against Linux 2.6.13-rc2-mm2.
This part of the patch contains transport routine changes related to
hch's comments.
Signed-off-by: Eric Van Hensbergen <[email protected]>
----------
fs/9p/trans_sock.c | 2 +-
fs/9p/mux.c | 44 +++++++++++++++-----------------------------
2 files changed, 16 insertions(+), 30 deletions(-)
----------
--- a/fs/9p/mux.c
+++ b/fs/9p/mux.c
@@ -29,9 +29,9 @@
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/kthread.h>
+#include <linux/idr.h>
#include "debug.h"
-#include "idpool.h"
#include "v9fs.h"
#include "9p.h"
#include "transport.h"
@@ -160,30 +160,19 @@ static int v9fs_recv(struct v9fs_session
int ret = 0;
dprintk(DEBUG_MUX, "waiting for response: %d\n", req->tcall->tag);
- ret = wait_event_interruptible_timeout(v9ses->read_wait,
+ ret = wait_event_interruptible(v9ses->read_wait,
((v9ses->transport->status != Connected) ||
- (req->rcall != 0) || dprintcond(v9ses, req)),
- msecs_to_jiffies(v9ses->timeout));
+ (req->rcall != 0) || dprintcond(v9ses, req)));
dprintk(DEBUG_MUX, "got it: rcall %p\n", req->rcall);
if (v9ses->transport->status == Disconnected)
return -ECONNRESET;
- if (ret >= 0) {
+ if (ret == 0) {
spin_lock(&v9ses->muxlock);
list_del(&req->next);
spin_unlock(&v9ses->muxlock);
}
- if (ret == 0) { /* timeout */
- dprintk(DEBUG_ERROR, "Connection timeout after %u (%u)\n",
- v9ses->timeout,
- (unsigned int)msecs_to_jiffies(v9ses->timeout));
- v9ses->session_hung = 1;
- v9ses->transport->status = Hung;
- return -ETIMEDOUT;
- } else {
- ret = 0; /* reset return code */
- }
return ret;
}
@@ -273,7 +262,8 @@ v9fs_mux_rpc(struct v9fs_session_info *v
ret = v9fs_send(v9ses, &req);
if (ret < 0) {
- v9fs_put_idpool(tid, &v9ses->tidpool);
+ if(tcall->id != TVERSION)
+ v9fs_put_idpool(tid, &v9ses->tidpool);
dprintk(DEBUG_MUX, "error %d\n", ret);
return ret;
}
@@ -323,7 +313,8 @@ v9fs_mux_rpc(struct v9fs_session_info *v
}
release_req:
- v9fs_put_idpool(tid, &v9ses->tidpool);
+ if(tcall->id != TVERSION)
+ v9fs_put_idpool(tid, &v9ses->tidpool);
if (rcall)
*rcall = fcall;
else
@@ -342,16 +333,16 @@ static int v9fs_recvproc(void *data)
{
struct v9fs_session_info *v9ses = (struct v9fs_session_info *)data;
struct v9fs_fcall *rcall = NULL;
- struct list_head *rptr;
- struct list_head *rrptr;
+ struct v9fs_rpcreq *rptr;
struct v9fs_rpcreq *req;
+ struct v9fs_rpcreq *rreq;
int err = 0;
allow_signal(SIGKILL);
set_current_state(TASK_INTERRUPTIBLE);
complete(&v9ses->proccmpl);
while (!kthread_should_stop() && err >= 0) {
- req = NULL;
+ req = rptr = rreq = NULL;
rcall = kmalloc(v9ses->maxdata + V9FS_IOHDRSZ, GFP_KERNEL);
if(!rcall) {
@@ -365,10 +356,7 @@ static int v9fs_recvproc(void *data)
break;
}
spin_lock(&v9ses->muxlock);
- list_for_each_safe(rptr, rrptr, &v9ses->mux_fcalls) {
- struct v9fs_rpcreq *rreq =
- list_entry(rptr, struct v9fs_rpcreq, next);
-
+ list_for_each_entry_safe(rreq, rptr, &v9ses->mux_fcalls, next) {
if (rreq->tcall->tag == rcall->tag) {
req = rreq;
req->rcall = rcall;
@@ -377,13 +365,11 @@ static int v9fs_recvproc(void *data)
}
if (req && (req->tcall->id == TFLUSH)) {
- list_for_each_safe(rptr, rrptr, &v9ses->mux_fcalls) {
- struct v9fs_rpcreq *treq =
- list_entry(rptr, struct v9fs_rpcreq, next);
-
+ struct v9fs_rpcreq *treq = NULL;
+ list_for_each_entry_safe(treq, rptr, &v9ses->mux_fcalls, next) {
if (treq->tcall->tag ==
req->tcall->params.tflush.oldtag) {
- list_del(rptr);
+ list_del(&rptr->next);
kfree(treq->rcall);
break;
}
diff --git a/fs/9p/trans_sock.c b/fs/9p/trans_sock.c
--- a/fs/9p/trans_sock.c
+++ b/fs/9p/trans_sock.c
@@ -34,9 +34,9 @@
#include <linux/un.h>
#include <asm/uaccess.h>
#include <linux/inet.h>
+#include <linux/idr.h>
#include "debug.h"
-#include "idpool.h"
#include "v9fs.h"
#include "transport.h"
-
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