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Code Issues Releases Activity

- If vn_lock fails with the LK_INTERLOCK flag set, interlock will not be

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released.  vcanrecycle() failed to unlock interlock under this condition.
 - Remove an extra VOP_UNLOCK from a failure case in vcanrecycle().

Pointed out by:	rwatson
This commit is contained in:
Jeff Roberson 2002-08-21 06:40:34 +00:00
parent 71ea4ba57c
commit 88cf6b94bd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=102211
1 changed files with 3 additions and 2 deletions
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5
sys/kern/vfs_subr.c
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@ -739,15 +739,16 @@ vcanrecycle(struct vnode *vp)
/* We should be able to immediately acquire this */
/* XXX This looks like it should panic if it fails */
if (vn_lock(vp, LK_INTERLOCK | LK_EXCLUSIVE, td) != 0)
if (vn_lock(vp, LK_INTERLOCK | LK_EXCLUSIVE, td) != 0) {
VI_UNLOCK(vp);
return (EWOULDBLOCK);
}
/*
* Don't recycle if we still have cached pages.
*/
if (VOP_GETVOBJECT(vp, &object) == 0 &&
(object->resident_page_count ||
object->ref_count)) {
VOP_UNLOCK(vp, 0, td);
error = EBUSY;
goto done;
}