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author | msmith <msmith@FreeBSD.org> | 1998-05-07 04:58:58 +0000 |
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committer | msmith <msmith@FreeBSD.org> | 1998-05-07 04:58:58 +0000 |
commit | 964ce778b1ba281a004f70a3b477fbca7c441e6b (patch) | |
tree | e3261d6a1cd9c2ca87c73ec9a35aa31aefbfc7c4 /sys/kern/vnode_if.src | |
parent | a64c77cceb4f88e319290462be5ec2b74e6b03a1 (diff) | |
download | FreeBSD-src-964ce778b1ba281a004f70a3b477fbca7c441e6b.zip FreeBSD-src-964ce778b1ba281a004f70a3b477fbca7c441e6b.tar.gz |
In the words of the submitter:
---------
Make callers of namei() responsible for releasing references or locks
instead of having the underlying filesystems do it. This eliminates
redundancy in all terminal filesystems and makes it possible for stacked
transport layers such as umapfs or nullfs to operate correctly.
Quality testing was done with testvn, and lat_fs from the lmbench suite.
Some NFS client testing courtesy of Patrik Kudo.
vop_mknod and vop_symlink still release the returned vpp. vop_rename
still releases 4 vnode arguments before it returns. These remaining cases
will be corrected in the next set of patches.
---------
Submitted by: Michael Hancock <michaelh@cet.co.jp>
Diffstat (limited to 'sys/kern/vnode_if.src')
-rw-r--r-- | sys/kern/vnode_if.src | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/sys/kern/vnode_if.src b/sys/kern/vnode_if.src index 922e060..c97d2ad 100644 --- a/sys/kern/vnode_if.src +++ b/sys/kern/vnode_if.src @@ -31,7 +31,7 @@ # SUCH DAMAGE. # # @(#)vnode_if.src 8.12 (Berkeley) 5/14/95 -# $Id: vnode_if.src,v 1.15 1997/10/16 20:32:23 phk Exp $ +# $Id: vnode_if.src,v 1.16 1998/03/08 09:57:26 julian Exp $ # # @@ -77,11 +77,11 @@ vop_cachedlookup { }; # -#% create dvp L U U +#% create dvp L L L #% create vpp - L - # vop_create { - IN WILLRELE struct vnode *dvp; + IN struct vnode *dvp; OUT struct vnode **vpp; IN struct componentname *cnp; IN struct vattr *vap; @@ -93,17 +93,17 @@ vop_create { #% whiteout flag - - - # vop_whiteout { - IN WILLRELE struct vnode *dvp; + IN struct vnode *dvp; IN struct componentname *cnp; IN int flags; }; # -#% mknod dvp L U U +#% mknod dvp L L L #% mknod vpp - X - # vop_mknod { - IN WILLRELE struct vnode *dvp; + IN struct vnode *dvp; OUT WILLRELE struct vnode **vpp; IN struct componentname *cnp; IN struct vattr *vap; @@ -240,21 +240,21 @@ vop_fsync { }; # -#% remove dvp L U U -#% remove vp L U U +#% remove dvp L L L +#% remove vp L L L # vop_remove { - IN WILLRELE struct vnode *dvp; - IN WILLRELE struct vnode *vp; + IN struct vnode *dvp; + IN struct vnode *vp; IN struct componentname *cnp; }; # +#% link tdvp L L L #% link vp U U U -#% link tdvp L U U # vop_link { - IN WILLRELE struct vnode *tdvp; + IN struct vnode *tdvp; IN struct vnode *vp; IN struct componentname *cnp; }; @@ -275,28 +275,28 @@ vop_rename { }; # -#% mkdir dvp L U U +#% mkdir dvp L L L #% mkdir vpp - L - # vop_mkdir { - IN WILLRELE struct vnode *dvp; + IN struct vnode *dvp; OUT struct vnode **vpp; IN struct componentname *cnp; IN struct vattr *vap; }; # -#% rmdir dvp L U U -#% rmdir vp L U U +#% rmdir dvp L L L +#% rmdir vp L L L # vop_rmdir { - IN WILLRELE struct vnode *dvp; - IN WILLRELE struct vnode *vp; + IN struct vnode *dvp; + IN struct vnode *vp; IN struct componentname *cnp; }; # -#% symlink dvp L U U +#% symlink dvp L L L #% symlink vpp - U - # # XXX - note that the return vnode has already been VRELE'ed @@ -304,7 +304,7 @@ vop_rmdir { # possibly with a further namei. # vop_symlink { - IN WILLRELE struct vnode *dvp; + IN struct vnode *dvp; OUT WILLRELE struct vnode **vpp; IN struct componentname *cnp; IN struct vattr *vap; |