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authorJens Axboe <jens.axboe@oracle.com>2009-09-16 15:13:54 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-09-16 15:18:52 +0200
commitb6e51316daede0633e9274e1e30391cfa4747877 (patch)
tree664476bb4e7c05dcce3ad908363b482134c68429 /mm/backing-dev.c
parentbcddc3f01c9122882c8b9f12ab94a934e55aef97 (diff)
writeback: separate starting of sync vs opportunistic writeback
bdi_start_writeback() is currently split into two paths, one for WB_SYNC_NONE and one for WB_SYNC_ALL. Add bdi_sync_writeback() for WB_SYNC_ALL writeback and let bdi_start_writeback() handle only WB_SYNC_NONE. Push down the writeback_control allocation and only accept the parameters that make sense for each function. This cleans up the API considerably. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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