From: Steven Whitehouse Date: Thu, 3 Jan 2008 11:31:38 +0000 (+0000) Subject: [GFS2] Allow page migration for writeback and ordered pages X-Git-Tag: v2.6.25-rc1~1241^2~11 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e5d9dc278c7f79c220e4506cc1ade2efa2ca73fd;p=linux-2.6 [GFS2] Allow page migration for writeback and ordered pages To improve performance on NUMA, we use the VM's standard page migration for writeback and ordered pages. Probably we could also do the same for journaled data, but that would need a careful audit of the code, so will be the subject of a later patch. Signed-off-by: Steven Whitehouse --- diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 8f94e306c8..e16ad81044 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -1098,6 +1098,7 @@ static const struct address_space_operations gfs2_writeback_aops = { .invalidatepage = gfs2_invalidatepage, .releasepage = gfs2_releasepage, .direct_IO = gfs2_direct_IO, + .migratepage = buffer_migrate_page, }; static const struct address_space_operations gfs2_ordered_aops = { @@ -1112,6 +1113,7 @@ static const struct address_space_operations gfs2_ordered_aops = { .invalidatepage = gfs2_invalidatepage, .releasepage = gfs2_releasepage, .direct_IO = gfs2_direct_IO, + .migratepage = buffer_migrate_page, }; static const struct address_space_operations gfs2_jdata_aops = {