On Dec 7, 2007 12:42 AM, NeilBrown <neilb@xxxxxxx> wrote: > > Currently and md array with a write-intent bitmap does not updated > that bitmap to reflect successful partial resync. Rather the entire > bitmap is updated when the resync completes. > > This is because there is no guarentee that resync requests will > complete in order, and tracking each request individually is > unnecessarily burdensome. > > However there is value in regularly updating the bitmap, so add code > to periodically pause while all pending sync requests complete, then > update the bitmap. Doing this only every few seconds (the same as the > bitmap update time) does not notciably affect resync performance. > > Signed-off-by: Neil Brown <neilb@xxxxxxx> Hi Neil, You forgot to export bitmap_cond_end_sync. Please see the attached patch. regards, Mike
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index f31ea4f..b596538 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1566,3 +1566,4 @@ EXPORT_SYMBOL(bitmap_start_sync); EXPORT_SYMBOL(bitmap_end_sync); EXPORT_SYMBOL(bitmap_unplug); EXPORT_SYMBOL(bitmap_close_sync); +EXPORT_SYMBOL(bitmap_cond_end_sync);
