The dfs fs check command already allows evicting containers using the
--flags=evict option. the --evict option was added by mistake and does
not do anything today, so remove it.

Signed-off-by: Mohamad Chaarawi <mohamad.chaarawi@intel.com>

The DFS checker should mark the symlink oid and not dereference the
symlink value. the value can be invalid anyway and if a valid path in
the container, it would be reachable from the hardlink path.

Signed-off-by: Mohamad Chaarawi <mohamad.chaarawi@intel.com>

- In order to avoid stale root stat data, update the root stbuf on lookup.
- add mtime/ctime proper querying for dfs_lookup()
- destroy the uns container after the link is remove since dfuse looks
  up the root if the container of being destroyed.

Required-githooks: true

Signed-off-by: Mohamad Chaarawi <mohamad.chaarawi@intel.com>

…13640)

- in dfs_osetattr(), if user sets both mtime and size, the hlc for the
  mtime is not being update on storage. To fix that, use the hlc
  reported from the array_stat and update that when updating the mtime in
  the entry.

Signed-off-by: Mohamad Chaarawi <mohamad.chaarawi@intel.com>

Features: dfs

Required-githooks: true

Signed-off-by: Mohamad Chaarawi <mohamad.chaarawi@intel.com>