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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-06 08:31:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-06 08:31:47 -0700
commit6367f1775ebb66b0f0e9e3512159f3257a6fde0e (patch)
tree113dadfab2a16ab63047a8b350f9facdb5060a82 /include
parenta7c56ebac1bce799b583230595b4de9ccb8162d0 (diff)
parent983c7db347db8ce2d8453fd1d89b7a4bb6920d56 (diff)
downloadlinux-linaro-6367f1775ebb66b0f0e9e3512159f3257a6fde0e.tar.gz
Merge branch 'for-linus' of http://people.redhat.com/agk/git/linux-dm
* 'for-linus' of http://people.redhat.com/agk/git/linux-dm: dm crypt: always disable discard_zeroes_data dm: raid fix write_mostly arg validation dm table: avoid crash if integrity profile changes dm: flakey fix corrupt_bio_byte error path
Diffstat (limited to 'include')
-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 3fa1f3d90ce..99e3e50b5c5 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 */