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Don't open zfs control device exclusively

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With the FreeBSD platform changes that were made for #10073
it is no longer necessary on FreeBSD to open the control device
exclusively to get onexit callbacks invoked.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #10076
This commit is contained in:
Matthew Macy
2020-02-28 14:54:14 -08:00
committed by GitHub
parent cf118ae8dc
commit d32eff3a27
2 changed files with 3 additions and 3 deletions
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lib/libzfs/libzfs_diff.c
+1 -1
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@@ -697,7 +697,7 @@ setup_differ_info(zfs_handle_t *zhp, const char *fromsnap,
{
di->zhp = zhp;
di->cleanupfd = open(ZFS_DEV, O_RDWR|O_EXCL);
di->cleanupfd = open(ZFS_DEV, O_RDWR);
VERIFY(di->cleanupfd >= 0);
if (get_snapshot_names(di, fromsnap, tosnap) != 0)