On Thu, Oct 14, 2021 at 10:39:27AM -0500, Alex Sierra wrote: > From: Ralph Campbell <[email protected]> > > There are several places where ZONE_DEVICE struct pages assume a reference > count == 1 means the page is idle and free. Instead of open coding this, > add a helper function to hide this detail. > > Signed-off-by: Ralph Campbell <[email protected]> > Signed-off-by: Alex Sierra <[email protected]> > Reviewed-by: Christoph Hellwig <[email protected]> > Acked-by: Theodore Ts'o <[email protected]> > Acked-by: Darrick J. Wong <[email protected]> > --- > v3: > [AS]: rename dax_layout_is_idle_page func to dax_page_unused > > v4: > [AS]: This ref count functionality was missing on fuse/dax.c. > --- > fs/dax.c | 4 ++-- > fs/ext4/inode.c | 5 +---- > fs/fuse/dax.c | 4 +--- > fs/xfs/xfs_file.c | 4 +--- > include/linux/dax.h | 10 ++++++++++ > 5 files changed, 15 insertions(+), 12 deletions(-)
Reviewed-by: Jason Gunthorpe <[email protected]> Jason
