tree cfcdf1bc24bd414f608d124d02f315aa687ce093
parent b6ee56fe2afe10cf855de8d11b6097fa82c26163
author Frank Zago <fzago@cray.com> 1408121292 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1408293523 -0700

staging/lustre/llite: optimize ll_fid2path()

The only parameter from userspace that matters is the length of the
buffer. We don't need to allocate then import the whole structure. By
importing only that length, we can save a memory allocation.

Add sparse annotations to that function.

Signed-off-by: frank zago <fzago@cray.com>
Reviewed-on: http://review.whamcloud.com/11167
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5389
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>