| softdep.h (98542) | softdep.h (100344) |
|---|---|
| 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 98542 2002-06-21 06:18:05Z mckusick $ | 39 * $FreeBSD: head/sys/ufs/ffs/softdep.h 100344 2002-07-19 07:29:39Z 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. --- 36 unchanged lines hidden (view full) --- 84 * discarded. The IOSTARTED flag prevents multiple calls to the I/O 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 NEWBLOCK flag marks pagedep structures that have 88 * just been allocated, so must be claimed by the inode before all 89 * dependencies are complete. The INPROGRESS flag marks worklist 90 * structures that are still on the worklist, but are being considered 91 * for action by some process. The UFS1FMT flag indicates that the | 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. --- 36 unchanged lines hidden (view full) --- 84 * discarded. The IOSTARTED flag prevents multiple calls to the I/O 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 NEWBLOCK flag marks pagedep structures that have 88 * just been allocated, so must be claimed by the inode before all 89 * dependencies are complete. The INPROGRESS flag marks worklist 90 * structures that are still on the worklist, but are being considered 91 * for action by some process. The UFS1FMT flag indicates that the |
| 92 * inode being processed is a ufs1 format. The ONWORKLIST flag shows 93 * whether the structure is currently linked onto a worklist. | 92 * inode being processed is a ufs1 format. The EXTDATA flag indicates 93 * that the allocdirect describes an extended-attributes dependency. 94 * The ONWORKLIST flag shows whether the structure is currently linked 95 * onto a worklist. |
| 94 */ 95#define ATTACHED 0x0001 96#define UNDONE 0x0002 97#define COMPLETE 0x0004 98#define DEPCOMPLETE 0x0008 99#define MKDIR_PARENT 0x0010 /* diradd & mkdir only */ 100#define MKDIR_BODY 0x0020 /* diradd & mkdir only */ 101#define RMDIR 0x0040 /* dirrem only */ 102#define DIRCHG 0x0080 /* diradd & dirrem only */ 103#define GOINGAWAY 0x0100 /* indirdep only */ 104#define IOSTARTED 0x0200 /* inodedep & pagedep only */ 105#define SPACECOUNTED 0x0400 /* inodedep only */ 106#define NEWBLOCK 0x0800 /* pagedep only */ 107#define INPROGRESS 0x1000 /* dirrem, freeblks, freefrag, freefile only */ 108#define UFS1FMT 0x2000 /* indirdep only */ | 96 */ 97#define ATTACHED 0x0001 98#define UNDONE 0x0002 99#define COMPLETE 0x0004 100#define DEPCOMPLETE 0x0008 101#define MKDIR_PARENT 0x0010 /* diradd & mkdir only */ 102#define MKDIR_BODY 0x0020 /* diradd & mkdir only */ 103#define RMDIR 0x0040 /* dirrem only */ 104#define DIRCHG 0x0080 /* diradd & dirrem only */ 105#define GOINGAWAY 0x0100 /* indirdep only */ 106#define IOSTARTED 0x0200 /* inodedep & pagedep only */ 107#define SPACECOUNTED 0x0400 /* inodedep only */ 108#define NEWBLOCK 0x0800 /* pagedep only */ 109#define INPROGRESS 0x1000 /* dirrem, freeblks, freefrag, freefile only */ 110#define UFS1FMT 0x2000 /* indirdep only */ |
| 111#define EXTDATA 0x4000 /* allocdirect only */ |
|
| 109#define ONWORKLIST 0x8000 110 111#define ALLCOMPLETE (ATTACHED | COMPLETE | DEPCOMPLETE) 112 113/* 114 * The workitem queue. 115 * 116 * It is sometimes useful and/or necessary to clean up certain dependencies --- 129 unchanged lines hidden (view full) --- 246 struct worklist id_list; /* buffer holding inode block */ 247# define id_state id_list.wk_state /* inode dependency state */ 248 LIST_ENTRY(inodedep) id_hash; /* hashed lookup */ 249 struct fs *id_fs; /* associated filesystem */ 250 ino_t id_ino; /* dependent inode */ 251 nlink_t id_nlinkdelta; /* saved effective link count */ 252 LIST_ENTRY(inodedep) id_deps; /* bmsafemap's list of inodedep's */ 253 struct buf *id_buf; /* related bmsafemap (if pending) */ | 112#define ONWORKLIST 0x8000 113 114#define ALLCOMPLETE (ATTACHED | COMPLETE | DEPCOMPLETE) 115 116/* 117 * The workitem queue. 118 * 119 * It is sometimes useful and/or necessary to clean up certain dependencies --- 129 unchanged lines hidden (view full) --- 249 struct worklist id_list; /* buffer holding inode block */ 250# define id_state id_list.wk_state /* inode dependency state */ 251 LIST_ENTRY(inodedep) id_hash; /* hashed lookup */ 252 struct fs *id_fs; /* associated filesystem */ 253 ino_t id_ino; /* dependent inode */ 254 nlink_t id_nlinkdelta; /* saved effective link count */ 255 LIST_ENTRY(inodedep) id_deps; /* bmsafemap's list of inodedep's */ 256 struct buf *id_buf; /* related bmsafemap (if pending) */ |
| 257 long id_savedextsize; /* ext size saved during rollback */ |
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| 254 off_t id_savedsize; /* file size saved during rollback */ 255 struct workhead id_pendinghd; /* entries awaiting directory write */ 256 struct workhead id_bufwait; /* operations after inode written */ 257 struct workhead id_inowait; /* operations waiting inode update */ 258 struct allocdirectlst id_inoupdt; /* updates before inode written */ 259 struct allocdirectlst id_newinoupdt; /* updates when inode written */ | 258 off_t id_savedsize; /* file size saved during rollback */ 259 struct workhead id_pendinghd; /* entries awaiting directory write */ 260 struct workhead id_bufwait; /* operations after inode written */ 261 struct workhead id_inowait; /* operations waiting inode update */ 262 struct allocdirectlst id_inoupdt; /* updates before inode written */ 263 struct allocdirectlst id_newinoupdt; /* updates when inode written */ |
| 264 struct allocdirectlst id_extupdt; /* extdata updates pre-inode write */ 265 struct allocdirectlst id_newextupdt; /* extdata updates at ino write */ |
|
| 260 union { 261 struct ufs1_dinode *idu_savedino1; /* saved ufs1_dinode contents */ 262 struct ufs2_dinode *idu_savedino2; /* saved ufs2_dinode contents */ 263 } id_un; 264}; 265#define id_savedino1 id_un.idu_savedino1 266#define id_savedino2 id_un.idu_savedino2 267 --- 154 unchanged lines hidden (view full) --- 422 * zero'ed inode has been written to disk. 423 */ 424struct freeblks { 425 struct worklist fb_list; /* id_inowait or delayed worklist */ 426 ino_t fb_previousinum; /* inode of previous owner of blocks */ 427 uid_t fb_uid; /* uid of previous owner of blocks */ 428 struct vnode *fb_devvp; /* filesystem device vnode */ 429 struct mount *fb_mnt; /* associated mount point */ | 266 union { 267 struct ufs1_dinode *idu_savedino1; /* saved ufs1_dinode contents */ 268 struct ufs2_dinode *idu_savedino2; /* saved ufs2_dinode contents */ 269 } id_un; 270}; 271#define id_savedino1 id_un.idu_savedino1 272#define id_savedino2 id_un.idu_savedino2 273 --- 154 unchanged lines hidden (view full) --- 428 * zero'ed inode has been written to disk. 429 */ 430struct freeblks { 431 struct worklist fb_list; /* id_inowait or delayed worklist */ 432 ino_t fb_previousinum; /* inode of previous owner of blocks */ 433 uid_t fb_uid; /* uid of previous owner of blocks */ 434 struct vnode *fb_devvp; /* filesystem device vnode */ 435 struct mount *fb_mnt; /* associated mount point */ |
| 436 long fb_oldextsize; /* previous ext data size */ |
|
| 430 off_t fb_oldsize; /* previous file size */ | 437 off_t fb_oldsize; /* previous file size */ |
| 431 off_t fb_newsize; /* new file size */ | |
| 432 ufs2_daddr_t fb_chkcnt; /* used to check cnt of blks released */ 433 ufs2_daddr_t fb_dblks[NDADDR]; /* direct blk ptrs to deallocate */ 434 ufs2_daddr_t fb_iblks[NIADDR]; /* indirect blk ptrs to deallocate */ | 438 ufs2_daddr_t fb_chkcnt; /* used to check cnt of blks released */ 439 ufs2_daddr_t fb_dblks[NDADDR]; /* direct blk ptrs to deallocate */ 440 ufs2_daddr_t fb_iblks[NIADDR]; /* indirect blk ptrs to deallocate */ |
| 441 ufs2_daddr_t fb_eblks[NXADDR]; /* indirect blk ptrs to deallocate */ |
|
| 435}; 436 437/* 438 * A "freefile" structure is attached to an inode when its 439 * link count is reduced to zero. It marks the inode as free in 440 * the cylinder group map after the zero'ed inode has been written 441 * to disk and any associated blocks and fragments have been freed. 442 */ --- 140 unchanged lines hidden --- | 442}; 443 444/* 445 * A "freefile" structure is attached to an inode when its 446 * link count is reduced to zero. It marks the inode as free in 447 * the cylinder group map after the zero'ed inode has been written 448 * to disk and any associated blocks and fragments have been freed. 449 */ --- 140 unchanged lines hidden --- |