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History log of /src/share/man/man9/vfssubr.9
RevisionDateAuthorComments
 1.28  03-Jul-2017  wiz Remove workaround for ancient HTML generation code.
 1.27  17-Apr-2017  wiz Fix month in Dd.
 1.26  17-Apr-2017  hannken Update vfs_busy(), vfs_unbusy(), vfs_mountalloc() and vfs_rootmountalloc().
 1.25  24-May-2014  wiz branches: 1.25.6; 1.25.10;
End sentence with a dot.
 1.24  24-May-2014  christos Introduce a selector function to the vfs vnode iterator so that we don't
need to vget() vnodes that we are not interested at, and optimize locking
a bit. Iterator changes reviewed by Hannken (thanks), the rest of the bugs
are mine.
 1.23  18-Mar-2014  hannken branches: 1.23.2;
Operations vmark(), vunmark() and vismarker() have been replaced by
vfs_vnode_iterator_*(), remove them.

Document vfs_vnode_iterator_*().

Make VI_MARKER private to vfs_vnode.c, vfs_mount.c and unfortunately
to ufs/lfs/lfs_segment.c.

Welcome to 6.99.37
 1.22  22-Feb-2014  wiz Mark up NULL with Dv.
 1.21  22-Feb-2014  hannken Update the description of vfs_busy() and vfs_unbusy().
 1.20  02-Dec-2010  wiz branches: 1.20.6; 1.20.12;
Remove boilerplate in CODE REFERENCES on file paths.
Describe in intro(9) how to read paths in the CODE REFERENCES section.
 1.19  09-May-2009  wiz Mark up NULL, bump date for previous.
 1.18  08-May-2009  dyoung Document vfs_mountalloc(9).
 1.17  22-Apr-2009  elad There is no vfs_subr2.c.
 1.16  30-Apr-2008  martin branches: 1.16.6;
Convert TNF licenses to new 2 clause variant
 1.15  24-Jan-2008  tnn branches: 1.15.4; 1.15.6;
Mention vfs_subr2.c.
 1.14  21-Jan-2007  hannken branches: 1.14.4;
Add and update documentation for fstrans(9) file system suspension helper.

wiz?
 1.13  29-Jan-2006  rpaulo More ktrace-lwp that I got wrong in the first try.

Thanks to Gregory McGarry for pointing this out.
 1.12  20-Dec-2005  rpaulo Adapt man pages to ktrace-lwp.
 1.11  23-Sep-2005  jmmv Apply the NFS exports list rototill patch:

- Remove all NFS related stuff from file system specific code.
- Drop the vfs_checkexp hook and generalize it in the new nfs_check_export
function, thus removing redundancy from all file systems.
- Move all NFS export-related stuff from kern/vfs_subr.c to the new
file sys/nfs/nfs_export.c. The former was becoming large and its code
is always compiled, regardless of the build options. Using the latter,
the code is only compiled in when NFSSERVER is enabled. While doing this,
also make some functions in nfs_subs.c conditional to NFSSERVER.
- Add a new command in nfssvc(2), called NFSSVC_SETEXPORTSLIST, that takes a
path and a set of export entries. At the moment it can only clear the
exports list or append entries, one by one, but it is done in a way that
allows setting the whole set of entries atomically in the future (see the
comment in mountd_set_exports_list or in doc/TODO).
- Change mountd(8) to use the nfssvc(2) system call instead of mount(2) so
that it becomes file system agnostic. In fact, all this whole thing was
done to remove a 'XXX' block from this utility!
- Change the mount*, newfs and fsck* userland utilities to not deal with NFS
exports initialization; done internally by the kernel when initializing
the NFS support for each file system.
- Implement an interface for VFS (called VFS hooks) so that several kernel
subsystems can run arbitrary code upon receipt of specific VFS events.
At the moment, this only provides support for unmount and is used to
destroy NFS exports lists from the file systems being unmounted, though it
has room for extension.

Thanks go to yamt@, chs@, thorpej@, wrstuden@ and others for their comments
and advice in the development of this patch.
 1.10  21-Apr-2004  christos Replace the statfs() family of system calls with statvfs().
Retain binary compatibility.
 1.9  10-Jan-2004  wiz Add a comma.
 1.8  10-Jan-2004  hannken Allow vfs_write_suspend() to wait if the file system is already
suspending.

Move vfs_write_suspend() and vfs_write_resume() from kern/vfs_vnops.c
to kern/vfs_subr.c.

Change vnode write gating in ufs/ffs/ffs_softdep.c (from FreeBSD).

When vnodes are throttled in softdep_trackbufs() check for
file system suspension every 10 msecs to avoid a deadlock.
 1.7  04-Dec-2003  wiz Bump date for previous (hi atatat!).
 1.6  04-Dec-2003  atatat Garbage collect some references to the old sysctl() infrastructure.
 1.5  22-Oct-2003  hannken Forgot to update the .Dd line. From Thomas Klausner <wiz@netbsd.org>.
 1.4  21-Oct-2003  hannken Add section 9 man pages for:
vfs_write_suspend, vfs_write_resume, vn_start_write and vn_finished_write.
 1.3  16-Apr-2003  wiz Use
.In header.h
instead of
.Fd #include \*[Lt]header.h\*[Gt]
Much easier to read and write, and supported by groff for ages.
Okayed by ross.
 1.2  06-Apr-2003  wiz Fix a bug, and add a Dv before a NULL. Whitespace nits while here.
 1.1  06-Apr-2003  gmcgarry Move vfs interface out of vfsops.9 into its own page. Document
it completely.
 1.14.4.1  23-Mar-2008  matt sync with HEAD
 1.15.6.1  18-May-2008  yamt sync with head.
 1.15.4.1  02-Jun-2008  mjf Sync with HEAD.
 1.16.6.1  13-May-2009  jym Sync with HEAD.

Third (and last) commit. See http://mail-index.netbsd.org/source-changes/2009/05/13/msg221222.html
 1.20.12.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.20.6.1  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.23.2.1  10-Aug-2014  tls Rebase.
 1.25.10.1  21-Apr-2017  bouyer Sync with HEAD
 1.25.6.1  26-Apr-2017  pgoyette Sync with HEAD

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