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head/sys/kern/vfs_syscalls.c
| Show First 20 Lines • Show All 123 Lines • ▼ Show 20 Lines | kern_sync(struct thread *td) | ||||
| for (mp = TAILQ_FIRST(&mountlist); mp != NULL; mp = nmp) { | for (mp = TAILQ_FIRST(&mountlist); mp != NULL; mp = nmp) { | ||||
| if (vfs_busy(mp, MBF_NOWAIT | MBF_MNTLSTLOCK)) { | if (vfs_busy(mp, MBF_NOWAIT | MBF_MNTLSTLOCK)) { | ||||
| nmp = TAILQ_NEXT(mp, mnt_list); | nmp = TAILQ_NEXT(mp, mnt_list); | ||||
| continue; | continue; | ||||
| } | } | ||||
| if ((mp->mnt_flag & MNT_RDONLY) == 0 && | if ((mp->mnt_flag & MNT_RDONLY) == 0 && | ||||
| vn_start_write(NULL, &mp, V_NOWAIT) == 0) { | vn_start_write(NULL, &mp, V_NOWAIT) == 0) { | ||||
| save = curthread_pflags_set(TDP_SYNCIO); | save = curthread_pflags_set(TDP_SYNCIO); | ||||
| vfs_msync(mp, MNT_NOWAIT); | vfs_periodic(mp, MNT_NOWAIT); | ||||
| VFS_SYNC(mp, MNT_NOWAIT); | VFS_SYNC(mp, MNT_NOWAIT); | ||||
| curthread_pflags_restore(save); | curthread_pflags_restore(save); | ||||
| vn_finished_write(mp); | vn_finished_write(mp); | ||||
| } | } | ||||
| mtx_lock(&mountlist_mtx); | mtx_lock(&mountlist_mtx); | ||||
| nmp = TAILQ_NEXT(mp, mnt_list); | nmp = TAILQ_NEXT(mp, mnt_list); | ||||
| vfs_unbusy(mp); | vfs_unbusy(mp); | ||||
| } | } | ||||
| ▲ Show 20 Lines • Show All 4,787 Lines • Show Last 20 Lines | |||||