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| author |   pedro <pedro@openbsd.org> | 2005-05-22 17:37:49 +0000 |
|---|---|---|
| committer | pedro <pedro@openbsd.org> | 2005-05-22 17:37:49 +0000 |
| commit | f6e4ec723dd6afcb4557627d6a71b6f80fd02db1 (patch) | |
| tree | 740870ca70eb664bb79cfca9ac42654e6d43dc12 | |
| parent | fix setting of the "need ack" flag. (diff) | |
| download | wireguard-openbsd-f6e4ec723dd6afcb4557627d6a71b6f80fd02db1.tar.xz wireguard-openbsd-f6e4ec723dd6afcb4557627d6a71b6f80fd02db1.zip | |
optimize nfs_sync() a bit, by not iterating over the list of vnodes
belonging to a mount point if we want to skip all of them, okay art@ a
couple of days ago, commit it deraadt@
| -rw-r--r-- | sys/nfs/nfs_vfsops.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/nfs/nfs_vfsops.c b/sys/nfs/nfs_vfsops.c index 208cb0ef8aa..c86675ce7cf 100644 --- a/sys/nfs/nfs_vfsops.c +++ b/sys/nfs/nfs_vfsops.c @@ -1,4 +1,4 @@ -/* $OpenBSD: nfs_vfsops.c,v 1.56 2005/03/31 21:39:44 deraadt Exp $ */ +/* $OpenBSD: nfs_vfsops.c,v 1.57 2005/05/22 17:37:49 pedro Exp $ */ /* $NetBSD: nfs_vfsops.c,v 1.46.4.1 1996/05/25 22:40:35 fvdl Exp $ */ /* @@ -823,6 +823,12 @@ nfs_sync(mp, waitfor, cred, p) int error, allerror = 0; /* + * Don't traverse the vnode list if we want to skip all of them. + */ + if (waitfor == MNT_LAZY) + return (allerror); + + /* * Force stale buffer cache information to be flushed. */ loop: @@ -834,8 +840,7 @@ loop: */ if (vp->v_mount != mp) goto loop; - if (VOP_ISLOCKED(vp) || LIST_FIRST(&vp->v_dirtyblkhd) == NULL || - waitfor == MNT_LAZY) + if (VOP_ISLOCKED(vp) || LIST_FIRST(&vp->v_dirtyblkhd) == NULL) continue; if (vget(vp, LK_EXCLUSIVE, p)) goto loop; @@ -844,6 +849,7 @@ loop: allerror = error; vput(vp); } + return (allerror); } |