commit | ba5843f51d468644b094674c0317c9ab95632caa | [log] [tgz] |
---|---|---|
author | Jan Kara <jack@suse.com> | Mon Dec 07 15:10:44 2015 -0500 |
committer | Theodore Ts'o <tytso@mit.edu> | Mon Dec 07 15:10:44 2015 -0500 |
tree | e2ab7e39a4eff12af5bc9f2b14dafc0f08731727 | |
parent | c86d8db33a922da808a5560aa15ed663a9569b37 [diff] |
ext4: use pre-zeroed blocks for DAX page faults Make DAX fault path use pre-zeroed blocks to avoid races with extent conversion and zeroing when two page faults to the same block happen. Signed-off-by: Jan Kara <jack@suse.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>