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| author | peter <peter@FreeBSD.org> | 2001-08-27 06:09:56 +0000 |
|---|---|---|
| committer | peter <peter@FreeBSD.org> | 2001-08-27 06:09:56 +0000 |
| commit | 4b437abe7829ed9af8a9434c256082b546c84682 (patch) | |
| tree | a8cac4344907af5683b1c88f1f7e46973765b594 /sys/kern | |
| parent | 4d1f4f0e8abb7b90a7320815340366eb1491a971 (diff) | |
| download | FreeBSD-src-4b437abe7829ed9af8a9434c256082b546c84682.zip FreeBSD-src-4b437abe7829ed9af8a9434c256082b546c84682.tar.gz | |
If a file has been completely unlinked, stop automatically syncing the
file. ffs will discard any pending dirty pages when it is closed,
so we may as well not waste time trying to clean them. This doesn't
stop other things from writing it out, eg: pageout, fsync(2) etc.
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/vfs_subr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index b421902..b38bc16 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -2378,6 +2378,9 @@ loop: if (vp->v_flag & VXLOCK) /* XXX: what if MNT_WAIT? */ continue; + if (vp->v_flag & VNOSYNC) /* unlinked, skip it */ + continue; + if (flags != MNT_WAIT) { if (VOP_GETVOBJECT(vp, &obj) != 0 || (obj->flags & OBJ_MIGHTBEDIRTY) == 0) |
