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authorJoe Thornber <ejt@redhat.com>2012-07-27 15:08:15 +0100
committerAlasdair G Kergon <agk@redhat.com>2012-07-27 15:08:15 +0100
commit310975573ba40ab526b0d76d28225d8d0999d72b (patch)
tree3ad362bb4fc0c70662c7337723222df16611f2eb /drivers/md/dm-thin-metadata.h
parent4afdd680f7c106e1c87b6dd7af9751c282ecb4b0 (diff)
downloadlwn-310975573ba40ab526b0d76d28225d8d0999d72b.tar.gz
lwn-310975573ba40ab526b0d76d28225d8d0999d72b.zip
dm persistent data: introduce dm_bm_set_read_only
Introduce dm_bm_set_read_only to switch the block manager into a read-only mode. To be used when dm-thin degrades due to io errors on the metadata device. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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