| softdep.h (62976) | softdep.h (76357) |
|---|---|
| 1/* 2 * Copyright 1998, 2000 Marshall Kirk McKusick. All Rights Reserved. 3 * 4 * The soft updates code is derived from the appendix of a University 5 * of Michigan technical report (Gregory R. Ganger and Yale N. Patt, 6 * "Soft Updates: A Solution to the Metadata Update Problem in File 7 * Systems", CSE-TR-254-95, August 1995). 8 * --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)softdep.h 9.7 (McKusick) 6/21/00 | 1/* 2 * Copyright 1998, 2000 Marshall Kirk McKusick. All Rights Reserved. 3 * 4 * The soft updates code is derived from the appendix of a University 5 * of Michigan technical report (Gregory R. Ganger and Yale N. Patt, 6 * "Soft Updates: A Solution to the Metadata Update Problem in File 7 * Systems", CSE-TR-254-95, August 1995). 8 * --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)softdep.h 9.7 (McKusick) 6/21/00 |
| 39 * $FreeBSD: head/sys/ufs/ffs/softdep.h 62976 2000-07-11 22:07:57Z mckusick $ | 39 * $FreeBSD: head/sys/ufs/ffs/softdep.h 76357 2001-05-08 07:42:20Z mckusick $ |
| 40 */ 41 42#include <sys/queue.h> 43 44/* 45 * Allocation dependencies are handled with undo/redo on the in-memory 46 * copy of the data. A particular data dependency is eliminated when 47 * it is ALLCOMPLETE: that is ATTACHED, DEPCOMPLETE, and COMPLETE. --- 29 unchanged lines hidden (view full) --- 77 * DIRCHG flag marks a diradd structure as representing the changing 78 * of an existing entry rather than the addition of a new one. When 79 * the update is complete the dirrem associated with the inode for 80 * the old name must be added to the worklist to do the necessary 81 * reference count decrement. The GOINGAWAY flag indicates that the 82 * data structure is frozen from further change until its dependencies 83 * have been completed and its resources freed after which it will be 84 * discarded. The IOSTARTED flag prevents multiple calls to the I/O | 40 */ 41 42#include <sys/queue.h> 43 44/* 45 * Allocation dependencies are handled with undo/redo on the in-memory 46 * copy of the data. A particular data dependency is eliminated when 47 * it is ALLCOMPLETE: that is ATTACHED, DEPCOMPLETE, and COMPLETE. --- 29 unchanged lines hidden (view full) --- 77 * DIRCHG flag marks a diradd structure as representing the changing 78 * of an existing entry rather than the addition of a new one. When 79 * the update is complete the dirrem associated with the inode for 80 * the old name must be added to the worklist to do the necessary 81 * reference count decrement. The GOINGAWAY flag indicates that the 82 * data structure is frozen from further change until its dependencies 83 * have been completed and its resources freed after which it will be 84 * discarded. The IOSTARTED flag prevents multiple calls to the I/O |
| 85 * start routine from doing multiple rollbacks. The ONWORKLIST flag 86 * shows whether the structure is currently linked onto a worklist. | 85 * start routine from doing multiple rollbacks. The SPACECOUNTED flag 86 * says that the files space has been accounted to the pending free 87 * space count. The ONWORKLIST flag shows whether the structure is 88 * currently linked onto a worklist. |
| 87 */ 88#define ATTACHED 0x0001 89#define UNDONE 0x0002 90#define COMPLETE 0x0004 91#define DEPCOMPLETE 0x0008 92#define MKDIR_PARENT 0x0010 93#define MKDIR_BODY 0x0020 94#define RMDIR 0x0040 95#define DIRCHG 0x0080 96#define GOINGAWAY 0x0100 97#define IOSTARTED 0x0200 | 89 */ 90#define ATTACHED 0x0001 91#define UNDONE 0x0002 92#define COMPLETE 0x0004 93#define DEPCOMPLETE 0x0008 94#define MKDIR_PARENT 0x0010 95#define MKDIR_BODY 0x0020 96#define RMDIR 0x0040 97#define DIRCHG 0x0080 98#define GOINGAWAY 0x0100 99#define IOSTARTED 0x0200 |
| 100#define SPACECOUNTED 0x0400 |
|
| 98#define ONWORKLIST 0x8000 99 100#define ALLCOMPLETE (ATTACHED | COMPLETE | DEPCOMPLETE) 101 102/* 103 * The workitem queue. 104 * 105 * It is sometimes useful and/or necessary to clean up certain dependencies --- 426 unchanged lines hidden --- | 101#define ONWORKLIST 0x8000 102 103#define ALLCOMPLETE (ATTACHED | COMPLETE | DEPCOMPLETE) 104 105/* 106 * The workitem queue. 107 * 108 * It is sometimes useful and/or necessary to clean up certain dependencies --- 426 unchanged lines hidden --- |