struct dentry_params renamed to lvfs_dentry_params and moved into
lvfs_linux.h

b=11248
r=adilger

b_cmobd_merge should not be used for any further development or testing!

cMD_PRE_CMD_SMASH are the relevant tags.

The pre-smashing contents of HEAD will be committed by yury into b_cmd as a
merge of the two branches.  These will be stabilized on b_cmd and eventually
landed onto HEAD.

b=3057, 2947, 2925, 3050, 3041, 2849, 1662