| commit | 17335dcc471199717839b2fa3492ca36f70f1168 | [log] [tgz] |
|---|---|---|
| author | Dmitry Monakhov <dmonakhov@openvz.org> | Sat Sep 29 00:41:21 2012 -0400 |
| committer | Theodore Ts'o <tytso@mit.edu> | Sat Sep 29 00:41:21 2012 -0400 |
| tree | 5f39f51868f60f8be94ca7e811d34bba443ef288 | |
| parent | 28a535f9a0df060569dcc786e5bc2e1de43d7dc7 [diff] |
ext4: serialize dio nonlocked reads with defrag workers Inode's block defrag and ext4_change_inode_journal_flag() may affect nonlocked DIO reads result, so proper synchronization required. - Add missed inode_dio_wait() calls where appropriate - Check inode state under extra i_dio_count reference. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>