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Fix VOP_CLOSE() in userspace. 

Currently, for unknown reasons, VOP_CLOSE() is a no-op in userspace.
This causes file descriptor leaks. This is especially problematic with
long ztest runs, since zpool.cache is opened repeatedly and never
closed, resulting in resource exhaustion (EMFILE errors).

This patch fixes the issue by making VOP_CLOSE() do what it is supposed
to do.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #989
This commit is contained in:
Etienne Dechamps 2012-09-27 16:05:15 +02:00 committed by Brian Behlendorf
parent 0aebd4f9e3
commit 274091c074
1 changed files with 1 additions and 1 deletions
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2
include/sys/zfs_context.h
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@ -495,7 +495,7 @@ typedef struct vsecattr {
extern int fop_getattr(vnode_t *vp, vattr_t *vap);
#define VOP_CLOSE(vp, f, c, o, cr, ct) 0
#define VOP_CLOSE(vp, f, c, o, cr, ct) vn_close(vp)
#define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
#define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap));