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This commit causes UFS to perform at Linux EXT2FS metadata rates. After

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earlier discussions with DG, and a recent email exchange with SEF, I
decided to allow UFS to run wide-open on an experimental basis.  We
will probably support eventually multiple async modes, and this is
the fastest the we can expect.  Just use the -o async flag on the
UFS mount.  Good luck...
This commit is contained in:
John Dyson 1995-11-06 03:21:41 +00:00
parent 09329912f8
commit f520ae1e5e
1 changed files with 20 additions and 4 deletions
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24
sys/ufs/ufs/ufs_lookup.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)ufs_lookup.c 8.6 (Berkeley) 4/1/94
* $Id: ufs_lookup.c,v 1.6 1995/10/06 09:56:51 phk Exp $
* $Id: ufs_lookup.c,v 1.7 1995/10/22 09:32:45 davidg Exp $
*/
#include <sys/param.h>
@ -773,7 +773,13 @@ ufs_direnter(ip, dvp, cnp)
ep = (struct direct *)((char *)ep + dsize);
}
bcopy((caddr_t)&newdir, (caddr_t)ep, (u_int)newentrysize);
error = VOP_BWRITE(bp);
if (dvp->v_mount->mnt_flag & MNT_ASYNC) {
bdwrite(bp);
error = 0;
} else {
error = VOP_BWRITE(bp);
}
dp->i_flag |= IN_CHANGE | IN_UPDATE;
if (!error && dp->i_endoff && dp->i_endoff < dp->i_size)
error = VOP_TRUNCATE(dvp, (off_t)dp->i_endoff, IO_SYNC,
@ -825,7 +831,12 @@ ufs_dirremove(dvp, cnp)
if (error)
return (error);
ep->d_reclen += dp->i_reclen;
error = VOP_BWRITE(bp);
if (dvp->v_mount->mnt_flag & MNT_ASYNC) {
bdwrite(bp);
error = 0;
} else {
error = VOP_BWRITE(bp);
}
dp->i_flag |= IN_CHANGE | IN_UPDATE;
return (error);
}
@ -851,7 +862,12 @@ ufs_dirrewrite(dp, ip, cnp)
ep->d_ino = ip->i_number;
if (!OFSFMT(vdp))
ep->d_type = IFTODT(ip->i_mode);
error = VOP_BWRITE(bp);
if (vdp->v_mount->mnt_flag & MNT_ASYNC) {
bdwrite(bp);
error = 0;
} else {
error = VOP_BWRITE(bp);
}
dp->i_flag |= IN_CHANGE | IN_UPDATE;
return (error);
}