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Fix spllevel problem with superblock exclusion and with segment write throttle. 

May address PR#8383.
This commit is contained in:
perseant 1999-11-17 20:08:30 +00:00
parent 657174d43b
commit ff33b3365d
1 changed files with 4 additions and 4 deletions
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8
sys/ufs/lfs/lfs_segment.c
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@ -1,4 +1,4 @@
/* $NetBSD: lfs_segment.c,v 1.35 1999/11/15 18:49:14 fvdl Exp $ */
/* $NetBSD: lfs_segment.c,v 1.36 1999/11/17 20:08:30 perseant Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -1289,10 +1289,10 @@ lfs_writeseg(fs, sp)
}
#endif
s = splbio();
if(fs->lfs_iocount >= LFS_THROTTLE) {
tsleep(&fs->lfs_iocount, PRIBIO+1, "lfs throttle", 0);
}
s = splbio();
++fs->lfs_iocount;
#ifdef LFS_TRACK_IOS
for(j=0;j<LFS_THROTTLE;j++) {
@ -1426,13 +1426,13 @@ lfs_writesuper(fs, daddr)
* If we can write one superblock while another is in
* progress, we risk not having a complete checkpoint if we crash.
* So, block here if a superblock write is in progress.
*
* XXX - should be a proper lock, not this hack
*/
s = splbio();
while(fs->lfs_sbactive) {
tsleep(&fs->lfs_sbactive, PRIBIO+1, "lfs sb", 0);
}
fs->lfs_sbactive = daddr;
splx(s);
#endif
i_dev = VTOI(fs->lfs_ivnode)->i_dev;
strategy = VTOI(fs->lfs_ivnode)->i_devvp->v_op[VOFFSET(vop_strategy)];