diff options
| author | dyson <dyson@FreeBSD.org> | 1998-02-01 01:59:12 +0000 |
|---|---|---|
| committer | dyson <dyson@FreeBSD.org> | 1998-02-01 01:59:12 +0000 |
| commit | 1d361dc623b0ce8b1559a9861ffe0313a175d5de (patch) | |
| tree | eeaf0af014d3745c3c133d8c86659b504029950b /sys/ufs/ffs/ffs_vnops.c | |
| parent | 2a227e28011ea078b3715f7bce42bc5a81cb144b (diff) | |
| download | FreeBSD-src-1d361dc623b0ce8b1559a9861ffe0313a175d5de.zip FreeBSD-src-1d361dc623b0ce8b1559a9861ffe0313a175d5de.tar.gz | |
Support more intelligent sync operations for MNT_NOATIME.
PR: kern/5577
Submitted by: Craig Leres <leres@ee.lbl.gov>
Diffstat (limited to 'sys/ufs/ffs/ffs_vnops.c')
| -rw-r--r-- | sys/ufs/ffs/ffs_vnops.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/sys/ufs/ffs/ffs_vnops.c b/sys/ufs/ffs/ffs_vnops.c index d3b68b7..f89b8a3 100644 --- a/sys/ufs/ffs/ffs_vnops.c +++ b/sys/ufs/ffs/ffs_vnops.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)ffs_vnops.c 8.15 (Berkeley) 5/14/95 - * $Id: ffs_vnops.c,v 1.37 1997/10/27 13:33:45 bde Exp $ + * $Id: ffs_vnops.c,v 1.38 1998/01/06 05:23:44 dyson Exp $ */ #include <sys/param.h> @@ -105,6 +105,9 @@ SYSCTL_NODE(_vfs, MOUNT_UFS, ffs, CTLFLAG_RW, 0, "FFS filesystem"); #include <ufs/ufs/ufs_readwrite.c> +int ffs_log_sync = 0; + + /* * Synch an open file. */ @@ -126,7 +129,6 @@ ffs_fsync(ap) int s; daddr_t lbn; - if (vp->v_type == VBLK) { lbn = INT_MAX; } else { @@ -135,6 +137,12 @@ ffs_fsync(ap) lbn = lblkno(ip->i_fs, (ip->i_size + ip->i_fs->fs_bsize - 1)); } + if (ffs_log_sync) { + struct inode* ip = VTOI(vp); + printf("fsync i %u iflags 0x%x vn 0x%x vtype %d tag %d vflags 0x%x\n", + ip->i_number, ip->i_flag, vp, vp->v_type, vp->v_tag, vp->v_flag); + } + pass = 0; /* * Flush all dirty buffers associated with a vnode. @@ -148,6 +156,11 @@ loop: if ((bp->b_flags & B_DELWRI) == 0) panic("ffs_fsync: not dirty"); + if (ffs_log_sync) { + printf(" blk %u (%u) flags 0x%x vn 0x%x\n", bp->b_lblkno, bp->b_blkno, + bp->b_flags, bp->b_vp); + } + if (((bp->b_vp != vp) || (ap->a_waitfor != MNT_NOWAIT)) || ((vp->v_type != VREG) && (vp->v_type != VBLK))) { @@ -206,5 +219,5 @@ loop: } gettime(&tv); - return (UFS_UPDATE(ap->a_vp, &tv, &tv, ap->a_waitfor == MNT_WAIT)); + return (UFS_UPDATE(ap->a_vp, &tv, &tv, 1)); } |
