projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: c96053b) | patch
dm: split discard requests on target boundaries
authorMike Snitzer <snitzer@redhat.com>
Thu, 12 Aug 2010 03:14:24 +0000 (04:14 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Thu, 12 Aug 2010 03:14:24 +0000 (04:14 +0100)
commita79245b3e5669dc203fec63644d988c451fe55d5
tree8814720781708a95ac0bd23bb5232aa5ed9337bdtree | snapshot (tar.gz zip)
parentc96053b767d494d7c30e2be68097ac9defa9403fcommit | diff
dm: split discard requests on target boundaries

Update __clone_and_map_discard to loop across all targets in a DM
device's table when it processes a discard bio.  If a discard crosses a
target boundary it must be split accordingly.

Update __issue_target_requests and __issue_target_request to allow a
cloned discard bio to have a custom start sector and size.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)