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authorNamjae Jeon <namjae.jeon@samsung.com>2014-08-20 19:39:17 +0900
committerSteve French <smfrench@gmail.com>2014-08-22 00:20:58 -0500
commit52a36244443eabb594bdb63622ff2dd7a083f0e2 (patch)
treedfe1f1ee9ed9ea8aa02d2ddc176e871f3a42883a /fs/cifs/connect.c
parent787aded65044e4cabefcf7eb7576c2dd6b151468 (diff)
cifs: No need to send SIGKILL to demux_thread during umount
There is no need to explicitly send SIGKILL to cifs_demultiplex_thread as it is calling module_put_and_exit to exit cleanly. socket sk_rcvtimeo is set to 7 HZ so the thread will wake up in 7 seconds and clean itself. Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com> Acked-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/connect.c')
-rw-r--r--fs/cifs/connect.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 36ca2045009b..8a9fded7c135 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -837,7 +837,6 @@ cifs_demultiplex_thread(void *p)
struct TCP_Server_Info *server = p;
unsigned int pdu_length;
char *buf = NULL;
- struct task_struct *task_to_wake = NULL;
struct mid_q_entry *mid_entry;
current->flags |= PF_MEMALLOC;
@@ -928,19 +927,7 @@ cifs_demultiplex_thread(void *p)
if (server->smallbuf) /* no sense logging a debug message if NULL */
cifs_small_buf_release(server->smallbuf);
- task_to_wake = xchg(&server->tsk, NULL);
clean_demultiplex_info(server);
-
- /* if server->tsk was NULL then wait for a signal before exiting */
- if (!task_to_wake) {
- set_current_state(TASK_INTERRUPTIBLE);
- while (!signal_pending(current)) {
- schedule();
- set_current_state(TASK_INTERRUPTIBLE);
- }
- set_current_state(TASK_RUNNING);
- }
-
module_put_and_exit(0);
}
@@ -2063,8 +2050,6 @@ cifs_find_tcp_session(struct smb_vol *vol)
static void
cifs_put_tcp_session(struct TCP_Server_Info *server)
{
- struct task_struct *task;
-
spin_lock(&cifs_tcp_ses_lock);
if (--server->srv_count > 0) {
spin_unlock(&cifs_tcp_ses_lock);
@@ -2088,10 +2073,6 @@ cifs_put_tcp_session(struct TCP_Server_Info *server)
kfree(server->session_key.response);
server->session_key.response = NULL;
server->session_key.len = 0;
-
- task = xchg(&server->tsk, NULL);
- if (task)
- force_sig(SIGKILL, task);
}
static struct TCP_Server_Info *