diff options
| author | Alex Elder <elder@inktank.com> | 2013-05-22 20:54:25 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-09 12:24:24 -0800 |
| commit | 350505e73f8c4d03dfef660f40a6f35d5ac12be6 (patch) | |
| tree | e2febd71b68d16885ec2e9e3cb6f93f81c7cd745 /scripts/patch-kernel | |
| parent | 1d02ec7ffd7577d07c91d2cbb391386d9a129fda (diff) | |
rbd: flush dcache after zeroing page data
commit e215605417b87732c6debf65da6d953016a1e5bc upstream.
Neither zero_bio_chain() nor zero_pages() contains a call to flush
caches after zeroing a portion of a page. This can cause problems
on architectures that have caches that allow virtual address
aliasing.
This resolves:
http://tracker.ceph.com/issues/4777
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts/patch-kernel')
0 files changed, 0 insertions, 0 deletions