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Allow block cloning to be interrupted by a signal. 

Even though block cloning is much faster than regular copying,
it is not instantaneous - the file might be large and the recordsize
small. It would be nice to be able to interrupt it with a signal
(e.g., SIGINFO on FreeBSD to see the progress).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Pawel Jakub Dawidek <pawel@dawidek.net>
Closes #16208
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Pawel Jakub Dawidek 2024-05-24 18:45:09 -07:00 committed by GitHub
parent efbef9e6cc
commit 08648cf0da
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module/zfs/zfs_vnops.c
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@ -1412,6 +1412,11 @@ zfs_clone_range(znode_t *inzp, uint64_t *inoffp, znode_t *outzp,
outoff += size;
len -= size;
done += size;
if (issig(JUSTLOOKING) && issig(FORREAL)) {
error = SET_ERROR(EINTR);
break;
}
}
vmem_free(bps, sizeof (bps[0]) * maxblocks);