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Add zp->z_is_zvol flag

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A new flag is required for the zfs_rlock code to determine if
it is operation of the zvol of zpl dataset.  This used to be
keyed off the zp->z_vnode, which was a hack to begin with, but
with the removal of vnodes we needed a dedicated flag.
This commit is contained in:
Brian Behlendorf
2011-02-08 11:29:50 -08:00
parent 3558fd73b5
commit 3c4988c83e
3 changed files with 5 additions and 3 deletions
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module/zfs/zvol.c
+2
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@@ -1062,6 +1062,8 @@ zvol_alloc(dev_t dev, const char *name)
mutex_init(&zv->zv_znode.z_range_lock, NULL, MUTEX_DEFAULT, NULL);
avl_create(&zv->zv_znode.z_range_avl, zfs_range_compare,
sizeof (rl_t), offsetof(rl_t, r_node));
zv->zv_znode.z_is_zvol = TRUE;
spin_lock_init(&zv->zv_lock);
list_link_init(&zv->zv_next);