Diff markup
1 /* 1 /*
2 * Copyright (c) International Business Mach !! 2 * Copyright (C) International Business Machines Corp., 2000-2001
3 * Portions Copyright (c) Christoph Hellwig, !! 3 * Portions Copyright (C) Christoph Hellwig, 2001-2002
4 * 4 *
5 * This program is free software; you can r 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Pub 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either vers !! 7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version. 8 * (at your option) any later version.
9 * !! 9 *
10 * This program is distributed in the hope t 10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even t 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICUL 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more d 13 * the GNU General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GN 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write t !! 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */ 18 */
19 #ifndef _H_JFS_LOCK 19 #ifndef _H_JFS_LOCK
20 #define _H_JFS_LOCK 20 #define _H_JFS_LOCK
21 21
22 #include <linux/spinlock.h> 22 #include <linux/spinlock.h>
>> 23 #include <linux/mutex.h>
23 #include <linux/sched.h> 24 #include <linux/sched.h>
24 25
25 /* 26 /*
26 * jfs_lock.h 27 * jfs_lock.h
27 */ 28 */
28 29
29 /* 30 /*
30 * Conditional sleep where condition is protec 31 * Conditional sleep where condition is protected by spinlock
31 * 32 *
32 * lock_cmd and unlock_cmd take and release th 33 * lock_cmd and unlock_cmd take and release the spinlock
33 */ 34 */
34 #define __SLEEP_COND(wq, cond, lock_cmd, unloc 35 #define __SLEEP_COND(wq, cond, lock_cmd, unlock_cmd) \
35 do { 36 do { \
36 DECLARE_WAITQUEUE(__wait, current); 37 DECLARE_WAITQUEUE(__wait, current); \
37 38 \
38 add_wait_queue(&wq, &__wait); 39 add_wait_queue(&wq, &__wait); \
39 for (;;) { 40 for (;;) { \
40 set_current_state(TASK_UNINTER 41 set_current_state(TASK_UNINTERRUPTIBLE);\
41 if (cond) 42 if (cond) \
42 break; 43 break; \
43 unlock_cmd; 44 unlock_cmd; \
44 schedule(); !! 45 io_schedule(); \
45 lock_cmd; 46 lock_cmd; \
46 } 47 } \
47 current->state = TASK_RUNNING; !! 48 __set_current_state(TASK_RUNNING); \
48 remove_wait_queue(&wq, &__wait); 49 remove_wait_queue(&wq, &__wait); \
49 } while (0) 50 } while (0)
50 51
51 #endif /* _H_JFS_LOCK 52 #endif /* _H_JFS_LOCK */
52 53
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