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authorAnton Vorontsov <cbouatmailru@gmail.com>2011-11-25 02:49:45 +0400
committerAnton Vorontsov <cbouatmailru@gmail.com>2011-11-25 02:54:59 +0400
commit47f0ac2b0a8c7f26b513a2a18045219b030aedf1 (patch)
tree27f33a5c1e40ee2a494758c1da2e03e86a09e32c /include/linux/device-mapper.h
parent7925231037447d1a9036f31c823d362bf2ef4bb0 (diff)
parentc3b92c8787367a8bb53d57d9789b558f1295cc96 (diff)
downloadlinux-47f0ac2b0a8c7f26b513a2a18045219b030aedf1.tar.xz
Merge tag 'v3.1' from git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git into master
Battery tree missed last merge window, so it became stale enough so that patches no longer apply as people use pretty recent kernels.
Diffstat (limited to 'include/linux/device-mapper.h')
-rw-r--r--include/linux/device-mapper.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 3fa1f3d90ce0..99e3e50b5c57 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -197,6 +197,11 @@ struct dm_target {
* whether or not its underlying devices have support.
*/
unsigned discards_supported:1;
+
+ /*
+ * Set if this target does not return zeroes on discarded blocks.
+ */
+ unsigned discard_zeroes_data_unsupported:1;
};
/* Each target can link one of these into the table */