| g_journal.c (231075) | g_journal.c (241896) |
|---|---|
| 1/*- 2 * Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2005-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/geom/journal/g_journal.c 231075 2012-02-06 11:04:36Z kib $"); | 28__FBSDID("$FreeBSD: head/sys/geom/journal/g_journal.c 241896 2012-10-22 17:50:54Z kib $"); |
| 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/kernel.h> 33#include <sys/module.h> 34#include <sys/limits.h> 35#include <sys/lock.h> 36#include <sys/mutex.h> --- 2828 unchanged lines hidden (view full) --- 2865g_journal_do_switch(struct g_class *classp) 2866{ 2867 struct g_journal_softc *sc; 2868 const struct g_journal_desc *desc; 2869 struct g_geom *gp; 2870 struct mount *mp; 2871 struct bintime bt; 2872 char *mountpoint; | 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/kernel.h> 33#include <sys/module.h> 34#include <sys/limits.h> 35#include <sys/lock.h> 36#include <sys/mutex.h> --- 2828 unchanged lines hidden (view full) --- 2865g_journal_do_switch(struct g_class *classp) 2866{ 2867 struct g_journal_softc *sc; 2868 const struct g_journal_desc *desc; 2869 struct g_geom *gp; 2870 struct mount *mp; 2871 struct bintime bt; 2872 char *mountpoint; |
| 2873 int error, save, vfslocked; | 2873 int error, save; |
| 2874 2875 DROP_GIANT(); 2876 g_topology_lock(); 2877 LIST_FOREACH(gp, &classp->geom, geom) { 2878 sc = gp->softc; 2879 if (sc == NULL) 2880 continue; 2881 if (sc->sc_flags & GJF_DEVICE_DESTROY) --- 35 unchanged lines hidden (view full) --- 2917 sc->sc_flags &= ~GJF_DEVICE_BEFORE_SWITCH; 2918 mtx_unlock(&sc->sc_mtx); 2919 GJ_DEBUG(3, "No need for %s switch.", sc->sc_name); 2920 goto next; 2921 } 2922 2923 mountpoint = mp->mnt_stat.f_mntonname; 2924 | 2874 2875 DROP_GIANT(); 2876 g_topology_lock(); 2877 LIST_FOREACH(gp, &classp->geom, geom) { 2878 sc = gp->softc; 2879 if (sc == NULL) 2880 continue; 2881 if (sc->sc_flags & GJF_DEVICE_DESTROY) --- 35 unchanged lines hidden (view full) --- 2917 sc->sc_flags &= ~GJF_DEVICE_BEFORE_SWITCH; 2918 mtx_unlock(&sc->sc_mtx); 2919 GJ_DEBUG(3, "No need for %s switch.", sc->sc_name); 2920 goto next; 2921 } 2922 2923 mountpoint = mp->mnt_stat.f_mntonname; 2924 |
| 2925 vfslocked = VFS_LOCK_GIANT(mp); 2926 | |
| 2927 error = vn_start_write(NULL, &mp, V_WAIT); 2928 if (error != 0) { | 2925 error = vn_start_write(NULL, &mp, V_WAIT); 2926 if (error != 0) { |
| 2929 VFS_UNLOCK_GIANT(vfslocked); | |
| 2930 GJ_DEBUG(0, "vn_start_write(%s) failed (error=%d).", 2931 mountpoint, error); 2932 goto next; 2933 } 2934 2935 save = curthread_pflags_set(TDP_SYNCIO); 2936 2937 GJ_TIMER_START(1, &bt); --- 8 unchanged lines hidden (view full) --- 2946 GJ_DEBUG(0, "Cannot sync file system %s (error=%d).", 2947 mountpoint, error); 2948 } 2949 2950 curthread_pflags_restore(save); 2951 2952 vn_finished_write(mp); 2953 | 2927 GJ_DEBUG(0, "vn_start_write(%s) failed (error=%d).", 2928 mountpoint, error); 2929 goto next; 2930 } 2931 2932 save = curthread_pflags_set(TDP_SYNCIO); 2933 2934 GJ_TIMER_START(1, &bt); --- 8 unchanged lines hidden (view full) --- 2943 GJ_DEBUG(0, "Cannot sync file system %s (error=%d).", 2944 mountpoint, error); 2945 } 2946 2947 curthread_pflags_restore(save); 2948 2949 vn_finished_write(mp); 2950 |
| 2954 if (error != 0) { 2955 VFS_UNLOCK_GIANT(vfslocked); | 2951 if (error != 0) |
| 2956 goto next; | 2952 goto next; |
| 2957 } | |
| 2958 2959 /* 2960 * Send BIO_FLUSH before freezing the file system, so it can be 2961 * faster after the freeze. 2962 */ 2963 GJ_TIMER_START(1, &bt); 2964 g_journal_flush_cache(sc); 2965 GJ_TIMER_STOP(1, &bt, "BIO_FLUSH time of %s", sc->sc_name); 2966 2967 GJ_TIMER_START(1, &bt); 2968 error = vfs_write_suspend(mp); | 2953 2954 /* 2955 * Send BIO_FLUSH before freezing the file system, so it can be 2956 * faster after the freeze. 2957 */ 2958 GJ_TIMER_START(1, &bt); 2959 g_journal_flush_cache(sc); 2960 GJ_TIMER_STOP(1, &bt, "BIO_FLUSH time of %s", sc->sc_name); 2961 2962 GJ_TIMER_START(1, &bt); 2963 error = vfs_write_suspend(mp); |
| 2969 VFS_UNLOCK_GIANT(vfslocked); | |
| 2970 GJ_TIMER_STOP(1, &bt, "Suspend time of %s", mountpoint); 2971 if (error != 0) { 2972 GJ_DEBUG(0, "Cannot suspend file system %s (error=%d).", 2973 mountpoint, error); 2974 goto next; 2975 } 2976 2977 error = desc->jd_clean(mp); --- 78 unchanged lines hidden --- | 2964 GJ_TIMER_STOP(1, &bt, "Suspend time of %s", mountpoint); 2965 if (error != 0) { 2966 GJ_DEBUG(0, "Cannot suspend file system %s (error=%d).", 2967 mountpoint, error); 2968 goto next; 2969 } 2970 2971 error = desc->jd_clean(mp); --- 78 unchanged lines hidden --- |