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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-29 11:20:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-29 11:20:48 -0700
commitb11b06d90a41766c2d31f0acb8a87aa0f2a7188f (patch)
treebe326cde997bcc38b2a9e0a6d6bc7d7ee7b4cbed /include/linux/device-mapper.h
parentf1d1c9fa8f360990e263bdcb73e35ab6fbdc41fe (diff)
parentfa34ce73072f90ecd90dcc43f29d82e70e5f8676 (diff)
downloadlinux-next-b11b06d90a41766c2d31f0acb8a87aa0f2a7188f.tar.gz
linux-next-b11b06d90a41766c2d31f0acb8a87aa0f2a7188f.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: dm kcopyd: return client directly and not through a pointer dm kcopyd: reserve fewer pages dm io: use fixed initial mempool size dm kcopyd: alloc pages from the main page allocator dm kcopyd: add gfp parm to alloc_pl dm kcopyd: remove superfluous page allocation spinlock dm kcopyd: preallocate sub jobs to avoid deadlock dm kcopyd: avoid pointless job splitting dm mpath: do not fail paths after integrity errors dm table: reject devices without request fns dm table: allow targets to support discards internally
Diffstat (limited to 'include/linux/device-mapper.h')
-rw-r--r--include/linux/device-mapper.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 32a4423710f5..4427e0454051 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -191,6 +191,12 @@ struct dm_target {
/* Used to provide an error string from the ctr */
char *error;
+
+ /*
+ * Set if this target needs to receive discards regardless of
+ * whether or not its underlying devices have support.
+ */
+ unsigned discards_supported:1;
};
/* Each target can link one of these into the table */