On Thu, Feb 13, 2020 at 10:20:02AM +0000, fdmanana@xxxxxxxxxx wrote: > From: Filipe Manana <fdmanana@xxxxxxxx> > > When attempting to set bits on a range of an exent io tree that already > has those bits set we can end up splitting an extent state record, use > the preallocated extent state record, insert it into the red black tree, > do another search on the red black tree, merge the preallocated extent > state record with the previous extent state record, remove that previous > record from the red black tree and then free it. This is all unnecessary > work that consumes time. [...] Added to misc-next, thanks.
