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Proposed fix for KP on mount in maczfs_78: conditionallly atache vnode ... #8

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Proposed fix for KP on mount in maczfs_78: conditionallly atache vnode ... #8

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12 changes: 9 additions & 3 deletions usr/src/uts/common/fs/zfs/zfs_znode.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1008,9 +1008,15 @@ zfs_zget_internal(zfsvfs_t *zfsvfs, uint64_t obj_num, znode_t **zpp, int skip_vn
if (zp->z_unlinked) {
err = ENOENT;
} else {
VN_HOLD(ZTOV(zp));
*zpp = zp;
err = 0;
if (vp == NULL && skipvnode == 0)
zfs_attach_vnode(zp);
VN_HOLD(ZTOV(zp));
}
/* no else, since in case skipvnode is != NULL, we must ignore
* any potentially existing vnode. skipvnode != NULL explicitly
* ask us to not touch a vnode. */
*zpp = zp;
err = 0;
}
dmu_buf_rele(db, NULL);
mutex_exit(&zp->z_lock);
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