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authorIgor Mammedov <qwerty0987654321@mail.ru>2007-04-03 15:16:43 -0400
committerSteve French <sfrench@us.ibm.com>2007-04-03 15:16:43 -0400
commitaaf737adb6937339494d5a7111f0433cd9676db8 (patch)
tree48129ee253f62c45229f615359db72bcb81624f3 /fs/cifs/connect.c
parentc33f8d32746db12ba353b0a05b25f7893a0ac344 (diff)
[CIFS] Switch cifsd to kthread_run from kernel_thread
cifsd was the only cifs thread that had not been switched to the newer kthread interface Signed-off-by: Igor Mammedov <niallain at gmail.com> Signed-off-by: Wilhelm Meier <wilhelm.meier@fh-kl.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/connect.c')
-rw-r--r--fs/cifs/connect.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 20ba7dcc9959..9e41f8ea5fbb 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -30,6 +30,7 @@
30#include <linux/mempool.h> 30#include <linux/mempool.h>
31#include <linux/delay.h> 31#include <linux/delay.h>
32#include <linux/completion.h> 32#include <linux/completion.h>
33#include <linux/kthread.h>
33#include <linux/pagevec.h> 34#include <linux/pagevec.h>
34#include <linux/freezer.h> 35#include <linux/freezer.h>
35#include <asm/uaccess.h> 36#include <asm/uaccess.h>
@@ -120,7 +121,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
120 struct mid_q_entry * mid_entry; 121 struct mid_q_entry * mid_entry;
121 122
122 spin_lock(&GlobalMid_Lock); 123 spin_lock(&GlobalMid_Lock);
123 if(server->tcpStatus == CifsExiting) { 124 if( kthread_should_stop() ) {
124 /* the demux thread will exit normally 125 /* the demux thread will exit normally
125 next time through the loop */ 126 next time through the loop */
126 spin_unlock(&GlobalMid_Lock); 127 spin_unlock(&GlobalMid_Lock);
@@ -182,7 +183,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
182 spin_unlock(&GlobalMid_Lock); 183 spin_unlock(&GlobalMid_Lock);
183 up(&server->tcpSem); 184 up(&server->tcpSem);
184 185
185 while ((server->tcpStatus != CifsExiting) && (server->tcpStatus != CifsGood)) 186 while ( (!kthread_should_stop()) && (server->tcpStatus != CifsGood))
186 { 187 {
187 try_to_freeze(); 188 try_to_freeze();
188 if(server->protocolType == IPV6) { 189 if(server->protocolType == IPV6) {
@@ -199,7 +200,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
199 } else { 200 } else {
200 atomic_inc(&tcpSesReconnectCount); 201 atomic_inc(&tcpSesReconnectCount);
201 spin_lock(&GlobalMid_Lock); 202 spin_lock(&GlobalMid_Lock);
202 if(server->tcpStatus != CifsExiting) 203 if( !kthread_should_stop() )
203 server->tcpStatus = CifsGood; 204 server->tcpStatus = CifsGood;
204 server->sequence_number = 0; 205 server->sequence_number = 0;
205 spin_unlock(&GlobalMid_Lock); 206 spin_unlock(&GlobalMid_Lock);
@@ -345,7 +346,6 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
345 int isMultiRsp; 346 int isMultiRsp;
346 int reconnect; 347 int reconnect;
347 348
348 daemonize("cifsd");
349 allow_signal(SIGKILL); 349 allow_signal(SIGKILL);
350 current->flags |= PF_MEMALLOC; 350 current->flags |= PF_MEMALLOC;
351 server->tsk = current; /* save process info to wake at shutdown */ 351 server->tsk = current; /* save process info to wake at shutdown */
@@ -361,7 +361,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
361 GFP_KERNEL); 361 GFP_KERNEL);
362 } 362 }
363 363
364 while (server->tcpStatus != CifsExiting) { 364 while (!kthread_should_stop()) {
365 if (try_to_freeze()) 365 if (try_to_freeze())
366 continue; 366 continue;
367 if (bigbuf == NULL) { 367 if (bigbuf == NULL) {
@@ -400,7 +400,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
400 kernel_recvmsg(csocket, &smb_msg, 400 kernel_recvmsg(csocket, &smb_msg,
401 &iov, 1, 4, 0 /* BB see socket.h flags */); 401 &iov, 1, 4, 0 /* BB see socket.h flags */);
402 402
403 if (server->tcpStatus == CifsExiting) { 403 if ( kthread_should_stop() ) {
404 break; 404 break;
405 } else if (server->tcpStatus == CifsNeedReconnect) { 405 } else if (server->tcpStatus == CifsNeedReconnect) {
406 cFYI(1, ("Reconnect after server stopped responding")); 406 cFYI(1, ("Reconnect after server stopped responding"));
@@ -524,7 +524,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
524 total_read += length) { 524 total_read += length) {
525 length = kernel_recvmsg(csocket, &smb_msg, &iov, 1, 525 length = kernel_recvmsg(csocket, &smb_msg, &iov, 1,
526 pdu_length - total_read, 0); 526 pdu_length - total_read, 0);
527 if((server->tcpStatus == CifsExiting) || 527 if( kthread_should_stop() ||
528 (length == -EINTR)) { 528 (length == -EINTR)) {
529 /* then will exit */ 529 /* then will exit */
530 reconnect = 2; 530 reconnect = 2;
@@ -757,7 +757,6 @@ multi_t2_fnd:
757 GFP_KERNEL); 757 GFP_KERNEL);
758 } 758 }
759 759
760 complete_and_exit(&cifsd_complete, 0);
761 return 0; 760 return 0;
762} 761}
763 762
@@ -1850,10 +1849,11 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
1850 so no need to spinlock this init of tcpStatus */ 1849 so no need to spinlock this init of tcpStatus */
1851 srvTcp->tcpStatus = CifsNew; 1850 srvTcp->tcpStatus = CifsNew;
1852 init_MUTEX(&srvTcp->tcpSem); 1851 init_MUTEX(&srvTcp->tcpSem);
1853 rc = (int)kernel_thread((void *)(void *)cifs_demultiplex_thread, srvTcp, 1852 srvTcp->tsk = kthread_run((void *)(void *)cifs_demultiplex_thread, srvTcp, "cifsd");
1854 CLONE_FS | CLONE_FILES | CLONE_VM); 1853 if( IS_ERR(srvTcp->tsk) ) {
1855 if(rc < 0) { 1854 rc = PTR_ERR(srvTcp->tsk);
1856 rc = -ENOMEM; 1855 cERROR(1,("error %d create cifsd thread", rc));
1856 srvTcp->tsk = NULL;
1857 sock_release(csocket); 1857 sock_release(csocket);
1858 kfree(volume_info.UNC); 1858 kfree(volume_info.UNC);
1859 kfree(volume_info.password); 1859 kfree(volume_info.password);
@@ -2050,7 +2050,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2050 spin_unlock(&GlobalMid_Lock); 2050 spin_unlock(&GlobalMid_Lock);
2051 if(srvTcp->tsk) { 2051 if(srvTcp->tsk) {
2052 send_sig(SIGKILL,srvTcp->tsk,1); 2052 send_sig(SIGKILL,srvTcp->tsk,1);
2053 wait_for_completion(&cifsd_complete); 2053 kthread_stop(srvTcp->tsk);
2054 } 2054 }
2055 } 2055 }
2056 /* If find_unc succeeded then rc == 0 so we can not end */ 2056 /* If find_unc succeeded then rc == 0 so we can not end */
@@ -2064,9 +2064,9 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2064 temp_rc = CIFSSMBLogoff(xid, pSesInfo); 2064 temp_rc = CIFSSMBLogoff(xid, pSesInfo);
2065 /* if the socketUseCount is now zero */ 2065 /* if the socketUseCount is now zero */
2066 if((temp_rc == -ESHUTDOWN) && 2066 if((temp_rc == -ESHUTDOWN) &&
2067 (pSesInfo->server->tsk)) { 2067 (pSesInfo->server) && (pSesInfo->server->tsk)) {
2068 send_sig(SIGKILL,pSesInfo->server->tsk,1); 2068 send_sig(SIGKILL,pSesInfo->server->tsk,1);
2069 wait_for_completion(&cifsd_complete); 2069 kthread_stop(pSesInfo->server->tsk);
2070 } 2070 }
2071 } else 2071 } else
2072 cFYI(1, ("No session or bad tcon")); 2072 cFYI(1, ("No session or bad tcon"));
@@ -3316,7 +3316,7 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
3316 cFYI(1,("Waking up socket by sending it signal")); 3316 cFYI(1,("Waking up socket by sending it signal"));
3317 if(cifsd_task) { 3317 if(cifsd_task) {
3318 send_sig(SIGKILL,cifsd_task,1); 3318 send_sig(SIGKILL,cifsd_task,1);
3319 wait_for_completion(&cifsd_complete); 3319 kthread_stop(cifsd_task);
3320 } 3320 }
3321 rc = 0; 3321 rc = 0;
3322 } /* else - we have an smb session 3322 } /* else - we have an smb session