EX-7680 llite: skip hole/data lseek() on compressed file

EX-7680 llite: skip hole/data lseek() on compressed file

Doesn't execute real lseek() on compressed file with
SEEK_HOLE/SEEK_DATA origin but consider file always
non-sparsed and do generic lseek() only

Signed-off-by: Mikhail Pershin <mpershin@whamcloud.com>
Change-Id: I2cd587cc0205e85758e06bbaafafe0e2959e0ade
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/51429
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>