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authorMike Snitzer <snitzer@redhat.com>2010-08-12 05:14:10 +0200
committerAlasdair G Kergon <agk@redhat.com>2010-08-12 05:14:10 +0200
commit56a67df766039666f61fb15b079f713e44a735ae (patch)
treecfeeb4f0a151b440293da593c723e9982368a58f /drivers/md/dm-linear.c
parentdm: use common __issue_target_request for flush and discard support (diff)
downloadlinux-56a67df766039666f61fb15b079f713e44a735ae.tar.xz
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dm: factor out max_io_len_target_boundary
Split max_io_len_target_boundary out of max_io_len so that the discard support can make use of it without duplicating max_io_len code. Avoiding max_io_len's split_io logic enables DM's discard support to submit the entire discard request to a target. But discards must still be split on target boundaries. Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-linear.c')
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