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| author | Linus Torvalds | 2011-10-06 17:31:47 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2011-10-06 17:31:47 +0200 |
| commit | 6367f1775ebb66b0f0e9e3512159f3257a6fde0e (patch) | |
| tree | 113dadfab2a16ab63047a8b350f9facdb5060a82 /include | |
| parent | Merge branch 'for-linus' of git://neil.brown.name/md (diff) | |
| parent | dm crypt: always disable discard_zeroes_data (diff) | |
| download | kernel-qcow2-linux-6367f1775ebb66b0f0e9e3512159f3257a6fde0e.tar.gz kernel-qcow2-linux-6367f1775ebb66b0f0e9e3512159f3257a6fde0e.tar.xz kernel-qcow2-linux-6367f1775ebb66b0f0e9e3512159f3257a6fde0e.zip | |
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.h | 5 |
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 */ |