The hints and view_hints directory has per-shard sub-dirs,
and the directories code tries to create, check and lock
all of them, including the base one.
The manipulations in question are excessive -- it's enough
to check and lock either the base dir, or all the per-shard
ones, but not everything. Let's take the latter approach for
its simplicity.
Fixes#5510
Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>
Looks-good-to: Benny Halevy <bhalevy@scylladb.com>
Message-Id: <20191223142429.28448-1-xemul@scylladb.com>
a5cdfea799