dm snapshot: permit only one merge at once

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Merging more than one snapshot is not supported, so prevent
this happening.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

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Mikulas Patocka 2009-12-10 23:52:32 +00:00 • committed by Alasdair G Kergon

parent 10b8106a70

commit 9d3b15c4c7

1 changed files with 27 additions and 6 deletions

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33

drivers/md/dm-snap.c

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