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Fix volmode=none property behavior at import time

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At import time spa_import() calls zvol_create_minors() directly: with
the current implementation we have no way to avoid device node
creation when volmode=none.

Fix this by enforcing volmode=none directly in zvol_alloc().

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #6426
This commit is contained in:
LOLi
2017-07-31 20:07:05 +02:00
committed by Brian Behlendorf
parent 1e0565d10a
commit c7a7601c08
3 changed files with 16 additions and 3 deletions
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module/zfs/zvol.c
+3
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@@ -1603,6 +1603,9 @@ zvol_alloc(dev_t dev, const char *name)
if (volmode == ZFS_VOLMODE_DEFAULT)
volmode = zvol_volmode;
if (volmode == ZFS_VOLMODE_NONE)
return (NULL);
zv = kmem_zalloc(sizeof (zvol_state_t), KM_SLEEP);
list_link_init(&zv->zv_next);