| commit | 29f3ad7d8380364c86556eedf4eedd3b3d4921dc | [log] [tgz] |
|---|---|---|
| author | Jan Kara <jack@suse.cz> | Fri Nov 04 18:08:11 2016 +0100 |
| committer | Jens Axboe <axboe@fb.com> | Fri Nov 04 14:34:47 2016 -0600 |
| tree | 927d67ed0be2b321cdf6787e7e11137237419be5 | |
| parent | 600271d9000027c013c01be87cbb90a5a18c5c3f [diff] |
fs: Provide function to unmap metadata for a range of blocks Provide function equivalent to unmap_underlying_metadata() for a range of blocks. We somewhat optimize the function to use pagevec lookups instead of looking up buffer heads one by one and use page lock to pin buffer heads instead of mapping's private_lock to improve scalability. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <axboe@fb.com>