| commit | f5e3cd8f7b12622d6e84b68ff1fa8814987f99fb | |
| author | Joe Thornber <ejt@redhat.com> | |
| Fri, 28 Nov 2014 09:48:25 +0000 (28 09:48 +0000) | ||
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| Thu, 8 Jan 2015 18:27:46 +0000 (8 10:27 -0800) | ||
| tree | 95ae58e7d6cd149162e6fd659fed5598c86643fa | treesnapshot (tar.gz zip) |
| parent | 209914ddafb1d06208f6651765c32c91d1399f69 | commitdiff |
dm cache: fix spurious cell_defer when dealing with partial block at end of device
commit f824a2af3dfbbb766c02e19df21f985bceadf0ee upstream.
We never bother caching a partial block that is at the back end of the
origin device. No cell ever gets locked, but the calling code was
assuming it was and trying to release it.
Now the code only releases if the cell has been set to a non NULL
value.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit f824a2af3dfbbb766c02e19df21f985bceadf0ee upstream.
We never bother caching a partial block that is at the back end of the
origin device. No cell ever gets locked, but the calling code was
assuming it was and trying to release it.
Now the code only releases if the cell has been set to a non NULL
value.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| drivers/md/dm-cache-target.c | diffblobblamehistory |