From: John Hubbard <jhubbard@xxxxxxxxxx> Date: Tue, 11 Feb 2020 19:03:55 -0800 > From: Leon Romanovsky <leonro@xxxxxxxxxxxx> > > Convert net/rds to use the newly introduces pin_user_pages() API, > which properly sets FOLL_PIN. Setting FOLL_PIN is now required for > code that requires tracking of pinned pages. > > Note that this effectively changes the code's behavior: it now > ultimately calls set_page_dirty_lock(), instead of set_page_dirty(). > This is probably more accurate. > > As Christoph Hellwig put it, "set_page_dirty() is only safe if we are > dealing with a file backed page where we have reference on the inode it > hangs off." [1] > > [1] https://lore.kernel.org/r/20190723153640.GB720@xxxxxx > > Cc: Hans Westgaard Ry <hans.westgaard.ry@xxxxxxxxxx> > Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxxxxxx> > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> > Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx> Applied, thank you.
