diff options
| author | dyson <dyson@FreeBSD.org> | 1995-11-05 21:01:15 +0000 |
|---|---|---|
| committer | dyson <dyson@FreeBSD.org> | 1995-11-05 21:01:15 +0000 |
| commit | cfa6fda2522d5851cab5f536a80741f4a5163c2c (patch) | |
| tree | 8f998729bf9cebad3c2ad5b9da6f7c01a9ca53b4 /sys/ufs | |
| parent | 1b8e5404ee43d51a47f50d452f1f170f3ca57b22 (diff) | |
| download | FreeBSD-src-cfa6fda2522d5851cab5f536a80741f4a5163c2c.zip FreeBSD-src-cfa6fda2522d5851cab5f536a80741f4a5163c2c.tar.gz | |
Make MNT_ASYNC more effective for UFS. It should not be too much more
dangerous than the original MNT_ASYNC. There might be some minor
security considerations due to data writes not being posted as promptly
as before. Meta-data operations are still not quite as fast as Linux,
but streaming I/O is still higher.
Diffstat (limited to 'sys/ufs')
| -rw-r--r-- | sys/ufs/ffs/ffs_inode.c | 6 | ||||
| -rw-r--r-- | sys/ufs/ufs/ufs_readwrite.c | 5 |
2 files changed, 8 insertions, 3 deletions
diff --git a/sys/ufs/ffs/ffs_inode.c b/sys/ufs/ffs/ffs_inode.c index 1b8d25c..3b5f56f 100644 --- a/sys/ufs/ffs/ffs_inode.c +++ b/sys/ufs/ffs/ffs_inode.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)ffs_inode.c 8.5 (Berkeley) 12/30/93 - * $Id: ffs_inode.c,v 1.14 1995/08/04 05:49:17 davidg Exp $ + * $Id: ffs_inode.c,v 1.15 1995/08/16 13:16:58 davidg Exp $ */ #include <sys/param.h> @@ -222,6 +222,8 @@ ffs_truncate(ap) oip->i_size = length; if (aflags & B_SYNC) bwrite(bp); + else if (ovp->v_mount->mnt_flag & MNT_ASYNC) + bdwrite(bp); else bawrite(bp); vnode_pager_setsize(ovp, (u_long)length); @@ -252,6 +254,8 @@ ffs_truncate(ap) allocbuf(bp, size); if (aflags & B_SYNC) bwrite(bp); + else if (ovp->v_mount->mnt_flag & MNT_ASYNC) + bdwrite(bp); else bawrite(bp); } diff --git a/sys/ufs/ufs/ufs_readwrite.c b/sys/ufs/ufs/ufs_readwrite.c index c9b4e82..524a36d 100644 --- a/sys/ufs/ufs/ufs_readwrite.c +++ b/sys/ufs/ufs/ufs_readwrite.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)ufs_readwrite.c 8.7 (Berkeley) 1/21/94 - * $Id: ufs_readwrite.c,v 1.13 1995/09/11 15:56:46 bde Exp $ + * $Id: ufs_readwrite.c,v 1.14 1995/10/23 02:23:18 dyson Exp $ */ #ifdef LFS_READWRITE @@ -280,7 +280,8 @@ WRITE(ap) if (ioflag & IO_SYNC) { (void)bwrite(bp); - } else if (xfersize + blkoffset == fs->fs_bsize) { + } else if (xfersize + blkoffset == fs->fs_bsize && + (vp->v_mount->mnt_flag & MNT_ASYNC) == 0) { if (doclusterwrite) { bp->b_flags |= B_CLUSTEROK; cluster_write(bp, ip->i_size); |
