commit | 4eec708d263f0ee10861d69251708a225b64cac7 | [log] [tgz] |
---|---|---|
author | Jan Kara <jack@suse.cz> | Thu Apr 11 23:56:53 2013 -0400 |
committer | Theodore Ts'o <tytso@mit.edu> | Thu Apr 11 23:56:53 2013 -0400 |
tree | 2db2d3f0431d98ed83d7e7ad8fbeaca7d7a2dcc2 | |
parent | 0058f9658c94037173f7603fc8bae2007cc10253 [diff] |
ext4: use io_end for multiple bios Change writeback path to create just one io_end structure for the extent to which we submit IO and share it among bios writing that extent. This prevents needless splitting and joining of unwritten extents when they cannot be submitted as a single bio. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reviewed-by: Dmitry Monakhov <dmonakhov@openvz.org> Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>