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(parent: a1cb92c) | patch
dm thin: switch to an atomic_t for tracking pending new block preparations
authorJoe Thornber <ejt@redhat.com>
Fri, 13 Jun 2014 12:57:09 +0000 (13:57 +0100)
committerMike Snitzer <snitzer@redhat.com>
Fri, 1 Aug 2014 16:30:31 +0000 (12:30 -0400)
commit268753bed734e7fe70cf4bf0af843164f91a3a56
treea0d6222e44377d2283207d6da8de1d0e3467465dtree | snapshot
parenta1cb92ce1d05800b42d8b8d0afc2644bf5b0d2a2commit | diff
dm thin: switch to an atomic_t for tracking pending new block preparations

Previously we used separate boolean values to track quiescing and
copying actions.  By switching to an atomic_t we can support blocks that
need a partial copy and partial zero.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-thin.c diff | blob | history
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