CVS log for src/sys/miscfs/syncfs/Attic/syncfs.h

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update from HEAD

Sync with HEAD

Remove miscfs/syncfs and

- move the syncer into kern/vfs_subr.c.

- change the syncer to process the mountlist and VFS_SYNC as appropriate.

- use an API for mount points similiar to the API for vnodes:
  - vfs_syncer_add_to_worklist(struct mount *mp) to add
  - vfs_syncer_remove_from_worklist(struct mount *mp) to remove a mount.

No objections on tech-kern@

Sync with HEAD.

sync with head

G/C unused speedup_syncer() mechanism and thus simplify some code.
Update some comments to reflect the reality.  No actual changes to
the (used) syncer logic.

OK ad@

sync with head.

Merge newlock2 to head.

sync with head.

Sync with head.

sync with head

Replace the LIST structure mp->mnt_vnodelist to a TAILQ structure since all
vnodes were synced and processed backwards. This meant that the last
accessed node was processed first and the earlierst last.

An extra benefit is the removal of the ugly hack from the Berkly days on
LFS.

In the proces, i've also replaced the various variations hand written loops
by the TAILQ_FOREACH() macro's.

- Convert some locks to mutexes and RW locks.
- Use the proclist_lock to protect pgrps and sessions in some places.

sync with head.

merge ktrace-lwp.

Sync with HEAD. Here we go again...

Remove __P()

sync with -current

sync with head.  xen and whitespace.  xen part is not finished.

Sync with HEAD.

Hi Perry!

nuke trailing whitespace

Sync with HEAD.

Add multiple inclusion protection.

Make syncer_lock an adaptive mutex and rename it to syncer_mutex.

Sync kqueue branch with -current.

Catch up to -current.

add a VOP_PUTPAGES method for all the filesystems that don't have pages,
just unlock the interlock.

Update thorpej_scsipi to -current as of a month ago

Approved by thorpej:
Free the syncer vnode at unmount time.

syssrc/sys/kern/vfs_syscalls.c				1.159 -> 1.160
syssrc/sys/miscfs/syncfs/sync_subr.c			1.3 -> 1.4
syssrc/sys/miscfs/syncfs/sync_vnops.c			1.2 -> 1.3
syssrc/sys/miscfs/syncfs/syncfs.h			1.3 -> 1.4
syssrc/sys/sys/vnode.h					1.82 -> 1.83

file syncfs.h was added on branch thorpej_scsipi on 2000-11-20 18:09:51 +0000

When unmounting, make sure to free the syncer vnode so that it can be reused.

Delete redundant decls of vn_syncer_add_to_worklist(), syncdelay,
filedelay, dirdelay and metadelay - they're in <sys/vnode.h>.

Pull up to last week's -current.

Add Kirk McKusick's soft updates code to the trunk. Not enabled by
default, as the copyright on the main file (ffs_softdep.c) is such
that is has been put into gnusrc. options SOFTDEP will pull this
in. This code also contains the trickle syncer.

Bump version number to 1.4O

Merge changes in the trickle-sync and softdep code as done by Kirk McKusick
in FreeBSD since the version that we based the branch on. Merging mostly
done by Ethan Solomita <ethan@geocast.com>.

Also, make sure the syncer thread/process isn't active when we're
unmounting a filesystem. This could wreak havoc. XXX should be done
on a per-mountpoint basis, but especially the softdep code would
end up to be a big pile of vfs_busy() calls.

Bring in Kirk McKusick's FFS softdep code on a branch.

file syncfs.h was initially added on branch fvdl-softdep.