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Create the AHCI branch for Aman's work

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svn path=/branches/GSoC_2016/AHCI/; revision=71203
This commit is contained in:
Pierre Schweitzer 2016-04-24 20:17:09 +00:00
parent a5f9846eb9
commit 321bcc056d
22738 changed files with 0 additions and 1285453 deletions
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63
reactos/drivers/filesystems/btrfs/flushthread.c
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@ -1,63 +0,0 @@
/* Copyright (c) Mark Harmstone 2016
*
* This file is part of WinBtrfs.
*
* WinBtrfs is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public Licence as published by
* the Free Software Foundation, either version 3 of the Licence, or
* (at your option) any later version.
*
* WinBtrfs is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public Licence for more details.
*
* You should have received a copy of the GNU Lesser General Public Licence
* along with WinBtrfs. If not, see <http://www.gnu.org/licenses/>. */
#include "btrfs_drv.h"
#define INTERVAL 15000 // in milliseconds
static void do_flush(device_extension* Vcb) {
LIST_ENTRY rollback;
InitializeListHead(&rollback);
FsRtlEnterFileSystem();
acquire_tree_lock(Vcb, TRUE);
if (Vcb->write_trees > 0)
do_write(Vcb, &rollback);
free_tree_cache(&Vcb->tree_cache);
clear_rollback(&rollback);
release_tree_lock(Vcb, TRUE);
FsRtlExitFileSystem();
}
void STDCALL flush_thread(void* context) {
device_extension* Vcb = context;
LARGE_INTEGER due_time;
KeInitializeTimer(&Vcb->flush_thread_timer);
due_time.QuadPart = -INTERVAL * 10000;
KeSetTimer(&Vcb->flush_thread_timer, due_time, NULL);
while (TRUE) {
KeWaitForSingleObject(&Vcb->flush_thread_timer, Executive, KernelMode, FALSE, NULL);
do_flush(Vcb);
KeSetTimer(&Vcb->flush_thread_timer, due_time, NULL);
}
KeCancelTimer(&Vcb->flush_thread_timer);
PsTerminateSystemThread(STATUS_SUCCESS);
}