dm snapshot: queue writes to chunks being merged
authorMikulas Patocka <mpatocka@redhat.com>
Thu, 10 Dec 2009 23:52:33 +0000 (23:52 +0000)
committerAlasdair G Kergon <agk@redhat.com>
Thu, 10 Dec 2009 23:52:33 +0000 (23:52 +0000)
commit9fe862548821b0c206c58e8057b782530a173703
tree1a23bec091d5163dfec29750b5daf3e93637c5ab
parent1e03f97e4301f75a2f3b649787f7876516764929
dm snapshot: queue writes to chunks being merged

While a set of chunks is being merged, any overlapping writes need to be
queued.

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>
drivers/md/dm-snap.c