From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992994AbWJUMVQ (ORCPT ); Sat, 21 Oct 2006 08:21:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992995AbWJUMVQ (ORCPT ); Sat, 21 Oct 2006 08:21:16 -0400 Received: from pop5-1.us4.outblaze.com ([205.158.62.125]:25824 "HELO pop5-1.us4.outblaze.com") by vger.kernel.org with SMTP id S2992994AbWJUMVO (ORCPT ); Sat, 21 Oct 2006 08:21:14 -0400 Subject: [PATCH] Add include/linux/freezer.h and move definitions from sched.h From: Nigel Cunningham To: LKML , Linux PM , suspend2-devel Content-Type: text/plain Date: Sat, 21 Oct 2006 22:21:05 +1000 Message-Id: <1161433266.7644.7.camel@nigel.suspend2.net> Mime-Version: 1.0 X-Mailer: Evolution 2.8.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Move process freezing functions from include/linux/sched.h to freezer.h, so that modifications to the freezer or the kernel configuration don't require recompiling just about everything. Prepared against current git. Signed-off-by: Nigel Cunningham diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 48cf7ff..f38a60a 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -11,6 +11,7 @@ #include #include #include #include +#include #include #include diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c index 3309665..0ec1485 100644 --- a/arch/avr32/kernel/signal.c +++ b/arch/avr32/kernel/signal.c @@ -15,7 +15,7 @@ #include #include #include #include -#include +#include #include #include diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index b8a5882..85baeae 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -21,7 +21,7 @@ #include #include #include #include -#include +#include #include #include #include diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index 7787f70..0295560 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -38,7 +38,7 @@ #include #include #include #include -#include +#include #include #include diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 350192d..d8c7686 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -34,6 +34,7 @@ #include #include #include #include +#include #include #include diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index b60cea4..092ea86 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -21,7 +21,7 @@ #include #include #include #include -#include +#include #include #include #include diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 320353f..e4ebe1a 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -36,7 +36,7 @@ #include #include #include #include -#include +#include #endif #include diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c index 5213f5b..380249a 100644 --- a/arch/sh/kernel/signal.c +++ b/arch/sh/kernel/signal.c @@ -23,6 +23,7 @@ #include #include #include #include +#include #include #include diff --git a/arch/sh64/kernel/signal.c b/arch/sh64/kernel/signal.c index 9e2ffc4..1666d3e 100644 --- a/arch/sh64/kernel/signal.c +++ b/arch/sh64/kernel/signal.c @@ -22,7 +22,7 @@ #include #include #include #include -#include +#include #include #include #include diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index f2904f6..e45eaa2 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -54,7 +54,7 @@ #include #include #include #include -#include +#include #include #include #include diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 9902ffa..cc2cd46 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -38,6 +38,7 @@ #include #include #include #include +#include #include diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 4bde30b..54e4490 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -28,6 +28,7 @@ #include #include #include #include +#include #include #include #include diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 8e7b83f..e829c93 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -15,6 +15,7 @@ #include #include #include #include +#include #include #include "csr.h" diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c index a0af97e..79dfb4b 100644 --- a/drivers/input/gameport/gameport.c +++ b/drivers/input/gameport/gameport.c @@ -23,6 +23,7 @@ #include #include #include /* HZ */ #include +#include /*#include */ diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 211943f..5f1d403 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -35,6 +35,7 @@ #include #include #include #include +#include MODULE_AUTHOR("Vojtech Pavlik "); MODULE_DESCRIPTION("Serio abstraction core"); diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c index a0f30d0..9397b08 100644 --- a/drivers/macintosh/therm_adt746x.c +++ b/drivers/macintosh/therm_adt746x.c @@ -24,6 +24,7 @@ #include #include #include #include +#include #include #include diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index e63ea1c..c8558d4 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -42,7 +42,7 @@ #include #include #include #include -#include +#include #include #include #include diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c index ab3faa7..e947af9 100644 --- a/drivers/macintosh/windfarm_core.c +++ b/drivers/macintosh/windfarm_core.c @@ -34,6 +34,7 @@ #include #include #include #include +#include #include diff --git a/drivers/md/md.c b/drivers/md/md.c index f7f1908..eabbf0d 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -39,10 +39,10 @@ #include #include #include #include /* for invalidate_bdev */ -#include #include #include #include +#include #include diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 53304e6..0fefdf0 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -34,7 +34,7 @@ #include #include #include #include -#include +#include #include #include diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c index cf43df3..e1b56dc 100644 --- a/drivers/media/video/msp3400-driver.c +++ b/drivers/media/video/msp3400-driver.c @@ -56,7 +56,7 @@ #include #include #include #include -#include +#include #include "msp3400-driver.h" /* ---------------------------------------------------------------------- */ diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index fcaef4b..d506dfa 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -29,6 +29,7 @@ #include #include #include #include +#include #include #include diff --git a/drivers/media/video/video-buf-dvb.c b/drivers/media/video/video-buf-dvb.c index f53edf1..fcc5467 100644 --- a/drivers/media/video/video-buf-dvb.c +++ b/drivers/media/video/video-buf-dvb.c @@ -20,7 +20,7 @@ #include #include #include #include -#include +#include #include #include diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 3c8dc72..9986de5 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -36,6 +36,7 @@ #include #include #include #include +#include /* Wake up at about 30 fps */ #define WAKE_NUMERATOR 30 diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c index 82938ad..ce1a481 100644 --- a/drivers/mfd/ucb1x00-ts.c +++ b/drivers/mfd/ucb1x00-ts.c @@ -28,7 +28,7 @@ #include #include #include #include -#include +#include #include #include diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c index be8a66e..5a9c8e8 100644 --- a/drivers/net/irda/stir4200.c +++ b/drivers/net/irda/stir4200.c @@ -51,6 +51,7 @@ #include #include #include #include +#include #include #include #include diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 0a33c8a..9599dd1 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -49,6 +49,7 @@ #include #include #include #include +#include #include "airo.h" diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index f9cd831..606a467 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -29,6 +29,7 @@ #include #include #include #include +#include #include #include diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index 81a6c83..81186f4 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -61,6 +61,7 @@ #include #include #include #include +#include #include #include diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 66bff18..d269773 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -22,6 +22,7 @@ #include #include #include #include +#include #include #include diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index 8b975d1..c98316c 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -250,7 +250,7 @@ #include #include #include #include -#include +#include #include #include diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index b8d6031..e021bc9 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -49,7 +49,7 @@ #include #include -#include +#include #include #include #include diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index de3e979..63c0724 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -31,6 +31,7 @@ #include #include #include #include +#include #include diff --git a/fs/afs/kafsasyncd.c b/fs/afs/kafsasyncd.c index f09a794..615df24 100644 --- a/fs/afs/kafsasyncd.c +++ b/fs/afs/kafsasyncd.c @@ -20,6 +20,7 @@ #include #include #include #include +#include #include "cell.h" #include "server.h" #include "volume.h" diff --git a/fs/afs/kafstimod.c b/fs/afs/kafstimod.c index 65bc05a..694344e 100644 --- a/fs/afs/kafstimod.c +++ b/fs/afs/kafstimod.c @@ -13,6 +13,7 @@ #include #include #include #include +#include #include "cell.h" #include "volume.h" #include "kafstimod.h" diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 84976cd..df95c71 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -34,6 +34,7 @@ #include #include #include #include +#include #include "cifsfs.h" #include "cifspdu.h" #define DECLARE_GLOBALS_HERE diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 4093d53..d205551 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -31,6 +31,7 @@ #include #include #include #include +#include #include #include #include "cifspdu.h" diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index b85c686..75d3d86 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -31,7 +31,7 @@ #include #include #include #include -#include +#include #include #include #include diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index c60f378..93ca71c 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -31,7 +31,7 @@ #include #include #include #include -#include +#include #include #include #include diff --git a/fs/jffs/intrep.c b/fs/jffs/intrep.c index 4a543e1..478a74e 100644 --- a/fs/jffs/intrep.c +++ b/fs/jffs/intrep.c @@ -66,6 +66,7 @@ #include #include #include #include +#include #include "intrep.h" #include "jffs_fm.h" diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c index ff2a872..6eb3dae 100644 --- a/fs/jffs2/background.c +++ b/fs/jffs2/background.c @@ -16,6 +16,7 @@ #include #include #include #include +#include #include "nodelist.h" diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index b89c9ab..5065baa 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -67,7 +67,7 @@ #include #include #include /* for sync_blockdev() */ #include -#include +#include #include #include #include "jfs_incore.h" diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c index 81f6f04..d558e51 100644 --- a/fs/jfs/jfs_txnmgr.c +++ b/fs/jfs/jfs_txnmgr.c @@ -46,7 +46,7 @@ #include #include #include #include -#include +#include #include #include #include diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index 3d84f60..50643b6 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -13,6 +13,7 @@ #include #include #include #include +#include #include #include #include diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index db5f5a3..bc94d0c 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -31,6 +31,7 @@ #include #include #include #include +#include #include "xfs_linux.h" STATIC kmem_zone_t *xfs_buf_zone; diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 38c4d12..6fa3406 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -56,6 +56,7 @@ #include #include #include #include +#include STATIC struct quotactl_ops xfs_quotactl_operations; STATIC struct super_operations xfs_super_operations; diff --git a/include/linux/freezer.h b/include/linux/freezer.h new file mode 100644 index 0000000..266373f --- /dev/null +++ b/include/linux/freezer.h @@ -0,0 +1,84 @@ +/* Freezer declarations */ + +#ifdef CONFIG_PM +/* + * Check if a process has been frozen + */ +static inline int frozen(struct task_struct *p) +{ + return p->flags & PF_FROZEN; +} + +/* + * Check if there is a request to freeze a process + */ +static inline int freezing(struct task_struct *p) +{ + return p->flags & PF_FREEZE; +} + +/* + * Request that a process be frozen + * FIXME: SMP problem. We may not modify other process' flags! + */ +static inline void freeze(struct task_struct *p) +{ + p->flags |= PF_FREEZE; +} + +/* + * Sometimes we may need to cancel the previous 'freeze' request + */ +static inline void do_not_freeze(struct task_struct *p) +{ + p->flags &= ~PF_FREEZE; +} + +/* + * Wake up a frozen process + */ +static inline int thaw_process(struct task_struct *p) +{ + if (frozen(p)) { + p->flags &= ~PF_FROZEN; + wake_up_process(p); + return 1; + } + return 0; +} + +/* + * freezing is complete, mark process as frozen + */ +static inline void frozen_process(struct task_struct *p) +{ + p->flags = (p->flags & ~PF_FREEZE) | PF_FROZEN; +} + +extern void refrigerator(void); +extern int freeze_processes(void); +extern void thaw_processes(void); + +static inline int try_to_freeze(void) +{ + if (freezing(current)) { + refrigerator(); + return 1; + } else + return 0; +} +#else +static inline int frozen(struct task_struct *p) { return 0; } +static inline int freezing(struct task_struct *p) { return 0; } +static inline void freeze(struct task_struct *p) { BUG(); } +static inline int thaw_process(struct task_struct *p) { return 1; } +static inline void frozen_process(struct task_struct *p) { BUG(); } + +static inline void refrigerator(void) {} +static inline int freeze_processes(void) { BUG(); return 0; } +static inline void thaw_processes(void) {} + +static inline int try_to_freeze(void) { return 0; } + + +#endif diff --git a/include/linux/sched.h b/include/linux/sched.h index 6735c1c..aeac5d1 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1611,87 +1611,6 @@ extern int sched_create_sysfs_power_savi extern void normalize_rt_tasks(void); -#ifdef CONFIG_PM -/* - * Check if a process has been frozen - */ -static inline int frozen(struct task_struct *p) -{ - return p->flags & PF_FROZEN; -} - -/* - * Check if there is a request to freeze a process - */ -static inline int freezing(struct task_struct *p) -{ - return p->flags & PF_FREEZE; -} - -/* - * Request that a process be frozen - * FIXME: SMP problem. We may not modify other process' flags! - */ -static inline void freeze(struct task_struct *p) -{ - p->flags |= PF_FREEZE; -} - -/* - * Sometimes we may need to cancel the previous 'freeze' request - */ -static inline void do_not_freeze(struct task_struct *p) -{ - p->flags &= ~PF_FREEZE; -} - -/* - * Wake up a frozen process - */ -static inline int thaw_process(struct task_struct *p) -{ - if (frozen(p)) { - p->flags &= ~PF_FROZEN; - wake_up_process(p); - return 1; - } - return 0; -} - -/* - * freezing is complete, mark process as frozen - */ -static inline void frozen_process(struct task_struct *p) -{ - p->flags = (p->flags & ~PF_FREEZE) | PF_FROZEN; -} - -extern void refrigerator(void); -extern int freeze_processes(void); -extern void thaw_processes(void); - -static inline int try_to_freeze(void) -{ - if (freezing(current)) { - refrigerator(); - return 1; - } else - return 0; -} -#else -static inline int frozen(struct task_struct *p) { return 0; } -static inline int freezing(struct task_struct *p) { return 0; } -static inline void freeze(struct task_struct *p) { BUG(); } -static inline int thaw_process(struct task_struct *p) { return 1; } -static inline void frozen_process(struct task_struct *p) { BUG(); } - -static inline void refrigerator(void) {} -static inline int freeze_processes(void) { BUG(); return 0; } -static inline void thaw_processes(void) {} - -static inline int try_to_freeze(void) { return 0; } - -#endif /* CONFIG_PM */ #endif /* __KERNEL__ */ #endif diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c index 919a80c..2cfd7cb 100644 --- a/init/do_mounts_initrd.c +++ b/init/do_mounts_initrd.c @@ -6,6 +6,7 @@ #include #include #include #include +#include #include "do_mounts.h" diff --git a/kernel/audit.c b/kernel/audit.c index 98106f6..d9b690a 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -57,6 +57,7 @@ #include #include #include #include +#include #include "audit.h" diff --git a/kernel/power/process.c b/kernel/power/process.c index 72e72d2..29be608 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -13,6 +13,7 @@ #include #include #include #include +#include /* * Timeout for stopping processes diff --git a/kernel/rtmutex-tester.c b/kernel/rtmutex-tester.c index 6dcea9d..015fc63 100644 --- a/kernel/rtmutex-tester.c +++ b/kernel/rtmutex-tester.c @@ -13,6 +13,7 @@ #include #include #include #include +#include #include "rtmutex.h" diff --git a/kernel/sched.c b/kernel/sched.c index 3399701..12fdbef 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -34,7 +34,7 @@ #include #include #include #include -#include +#include #include #include #include diff --git a/kernel/signal.c b/kernel/signal.c index 7ed8d53..90dad6d 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -23,6 +23,7 @@ #include #include #include #include +#include #include #include #include diff --git a/mm/pdflush.c b/mm/pdflush.c index b02102f..8ce0900 100644 --- a/mm/pdflush.c +++ b/mm/pdflush.c @@ -21,6 +21,7 @@ #include // Needed by writ #include // Prototypes pdflush_operation() #include #include +#include /* diff --git a/mm/vmscan.c b/mm/vmscan.c index f05527b..3c99ab5 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -36,6 +36,7 @@ #include #include #include #include +#include #include #include diff --git a/net/rxrpc/krxiod.c b/net/rxrpc/krxiod.c index dada34a..49effd9 100644 --- a/net/rxrpc/krxiod.c +++ b/net/rxrpc/krxiod.c @@ -13,6 +13,7 @@ #include #include #include #include +#include #include #include #include diff --git a/net/rxrpc/krxsecd.c b/net/rxrpc/krxsecd.c index cea4eb5..3ab0f77 100644 --- a/net/rxrpc/krxsecd.c +++ b/net/rxrpc/krxsecd.c @@ -27,6 +27,7 @@ #include #include #include #include +#include #include #include "internal.h" diff --git a/net/rxrpc/krxtimod.c b/net/rxrpc/krxtimod.c index 3e74669..9a9b613 100644 --- a/net/rxrpc/krxtimod.c +++ b/net/rxrpc/krxtimod.c @@ -13,6 +13,7 @@ #include #include #include #include +#include #include #include #include diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 96521f1..6a23b9d 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -32,6 +32,7 @@ #include #include #include #include +#include #include #include #include