| ext2_vnops.c (46155) | ext2_vnops.c (48225) |
|---|---|
| 1/* 2 * modified for EXT2FS support in Lites 1.1 3 * 4 * Aug 1995, Godmar Back (gback@cs.utah.edu) 5 * University of Utah, Department of Computer Science 6 */ 7/* 8 * Copyright (c) 1982, 1986, 1989, 1993 --- 184 unchanged lines hidden (view full) --- 193 * Flush all dirty buffers associated with a vnode. 194 */ 195 ext2_discard_prealloc(VTOI(vp)); 196 197loop: 198 s = splbio(); 199 for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) { 200 nbp = TAILQ_NEXT(bp, b_vnbufs); | 1/* 2 * modified for EXT2FS support in Lites 1.1 3 * 4 * Aug 1995, Godmar Back (gback@cs.utah.edu) 5 * University of Utah, Department of Computer Science 6 */ 7/* 8 * Copyright (c) 1982, 1986, 1989, 1993 --- 184 unchanged lines hidden (view full) --- 193 * Flush all dirty buffers associated with a vnode. 194 */ 195 ext2_discard_prealloc(VTOI(vp)); 196 197loop: 198 s = splbio(); 199 for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) { 200 nbp = TAILQ_NEXT(bp, b_vnbufs); |
| 201 if ((bp->b_flags & B_BUSY)) | 201 if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_NOWAIT)) |
| 202 continue; 203 if ((bp->b_flags & B_DELWRI) == 0) 204 panic("ext2_fsync: not dirty"); 205 bremfree(bp); | 202 continue; 203 if ((bp->b_flags & B_DELWRI) == 0) 204 panic("ext2_fsync: not dirty"); 205 bremfree(bp); |
| 206 bp->b_flags |= B_BUSY; | |
| 207 splx(s); 208 /* 209 * Wait for I/O associated with indirect blocks to complete, 210 * since there is no way to quickly wait for them below. 211 */ 212 if (bp->b_vp == vp || ap->a_waitfor == MNT_NOWAIT) 213 (void) bawrite(bp); 214 else --- 1005 unchanged lines hidden --- | 206 splx(s); 207 /* 208 * Wait for I/O associated with indirect blocks to complete, 209 * since there is no way to quickly wait for them below. 210 */ 211 if (bp->b_vp == vp || ap->a_waitfor == MNT_NOWAIT) 212 (void) bawrite(bp); 213 else --- 1005 unchanged lines hidden --- |