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authorNeil Brown <neilb@suse.de>2007-12-13 14:16:04 +0000
committerAlasdair G Kergon <agk@redhat.com>2007-12-20 17:32:12 +0000
commit91212507f93778c09d4c1335207b6f4b995f5ad1 (patch)
tree651bc8678413d7d6d6879214264f4bb7f9fb089d /include/linux/device-mapper.h
parent69267a30bed1fabec658058c63845528a8b813d4 (diff)
dm: merge max_hw_sector
Make sure dm honours max_hw_sectors of underlying devices We still have no firm testing evidence in support of this patch but believe it may help to resolve some bug reports. - agk Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'include/linux/device-mapper.h')
-rw-r--r--include/linux/device-mapper.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index b8b7c51389f..e765e191663 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -115,6 +115,7 @@ struct io_restrictions {
unsigned short max_hw_segments;
unsigned short hardsect_size;
unsigned int max_segment_size;
+ unsigned int max_hw_sectors;
unsigned long seg_boundary_mask;
unsigned long bounce_pfn;
unsigned char no_cluster; /* inverted so that 0 is default */