dm snapshot: remove stale FIXME in snapshot_map()
authorMike Snitzer <snitzer@redhat.com>
Thu, 9 Aug 2018 00:50:58 +0000 (20:50 -0400)
committerMike Snitzer <snitzer@redhat.com>
Thu, 9 Aug 2018 00:50:58 +0000 (20:50 -0400)
commitc9a5e6a968bd328753b694d19b952068c65dc5e7
tree7827ac389f9c3559b7ccc27b9c5a819a8e616e82
parent3db2776d9fca45305e6c2065905d9a0e7b2c8212
dm snapshot: remove stale FIXME in snapshot_map()

Commit ae1093be ("dm snapshot: use mutex instead of rw_semaphore")
eliminated the need to worry about read vs write locking.  So remove a
FIXME in snapshot_map() that is concerned about selectively taking a
write lock.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-snap.c