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Make external NFS clients know when files have their attributes changed and

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avoid cache the file's state indefinitely. The va_filerev is what is sent
to the client as the "change" attribute, the client is periodically fetching
the attributes and without this option the attribute remains as some garbage
value.

Phabric:	D905
Reported by:	Kevin Buhr <buhr@asaurus.net>
Reviewed by:	rmacklem, delphij
Approved by:	delphij
Obtained from:	r272467
Sponsored by:	QNAP Systems Inc.
This commit is contained in:
araujo 2014-10-07 06:00:09 +00:00
parent f906790c87
commit 6b6a0e5b05
1 changed files with 1 additions and 0 deletions
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1
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
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@ -2827,6 +2827,7 @@ zfs_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr,
#endif
vap->va_seq = zp->z_seq;
vap->va_flags = 0; /* FreeBSD: Reset chflags(2) flags. */
vap->va_filerev = zp->z_seq;
/*
* Add in any requested optional attributes and the create time.