From: NeilBrown Date: Tue, 13 Mar 2012 00:21:20 +0000 (+1100) Subject: md/raid10: remove unnecessary smp_mb() from end_sync_write X-Git-Tag: v3.4-rc1~147^2~20 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=547414d19fd72376ff2ecc42aac8d7a051f03d26;p=pandora-kernel.git md/raid10: remove unnecessary smp_mb() from end_sync_write Recent commit 4ca40c2ce099e4f1ce3 (md/raid10: Allow replacement device ...) added an smp_mb in end_sync_write. This was to close a possible race with raid10_remove_disk. However there is no such race as it is never attempted to remove a disk while resync (or recovery) is happening. so the smp_mb is just noise. Signed-off-by: NeilBrown --- Reading git-diff-tree failed