We weren't reclaiming the clusters which get free'd from this function,
so any user punching holes in a file would still have those bytes accounted
against him/her. Add the call to vfs_dq_free_space_nodirty() to fix this.
Interestingly enough, the journal credits calculation already took this into
account.
Signed-off-by: NMark Fasheh <mfasheh@suse.com>
Acked-by: NJan Kara <jack@suse.cz>