Jeff,
Not seeing any objections to your revised approach (to not allowing
signals for cifsd kernel thread), I just merged something similar to
your patch to the cifs-2.6.git tree (also fixed some nearby lines that
went past 80 columns).
Thanks
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index f4e9266..27c1ebe 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -348,7 +348,6 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
int isMultiRsp;
int reconnect;
- allow_signal(SIGKILL);
current->flags |= PF_MEMALLOC;
server->tsk = current; /* save process info to wake at shutdown */
cFYI(1, ("Demultiplex PID: %d", current->pid));
@@ -2074,7 +2073,7 @@ cifs_mount(struct super_block *sb, struct
cifs_sb_info *cifs_sb,
always wake up processes blocked in
tcp in recv_mesg then we could remove the
send_sig call */
- send_sig(SIGKILL,srvTcp->tsk,1);
+ force_sig(SIGKILL,srvTcp->tsk);
tsk = srvTcp->tsk;
if(tsk)
kthread_stop(tsk);
@@ -2093,7 +2092,7 @@ cifs_mount(struct super_block *sb, struct
cifs_sb_info *cifs_sb,
if ((temp_rc == -ESHUTDOWN) &&
(pSesInfo->server) && (pSesInfo->server->tsk)) {
struct task_struct *tsk;
- send_sig(SIGKILL,pSesInfo->server->tsk,1);
+ force_sig(SIGKILL,pSesInfo->server->tsk);
tsk = pSesInfo->server->tsk;
if (tsk)
kthread_stop(tsk);
@@ -3345,7 +3344,7 @@ cifs_umount(struct super_block *sb, struct
cifs_sb_info *cifs_sb)
} else if (rc == -ESHUTDOWN) {
cFYI(1,("Waking up socket by sending it signal"));
if (cifsd_task) {
- send_sig(SIGKILL,cifsd_task,1);
+ force_sig(SIGKILL,cifsd_task);
kthread_stop(cifsd_task);
}
rc = 0;
--
Thanks,
Steve
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