tree 195a66faa82cce6a72c96270e2a813f5c208af5c
parent 722f631379eb12438a630fe8960923fc91d86c5e
author Ruben Ayrapetyan <ruben.ayrapetyan@arm.com> 1703098419 +0000
committer Steven Moreland <smoreland@google.com> 1704308316 +0000

Preserve file sparsity in FdFile::Copy

Use lseek SEEK_DATA / SEEK_HOLE in FdFile::Copy to avoid writing empty
blocks. This helps to save disk space on file systems that support
sparse files.

Test: art/tools/run-gtests.sh
Change-Id: Idb9202f4b9473c79225a9301bebd495c80bd6558