On Tue, Jan 31, 2023 at 8:37 PM Matthew Wilcox wrote:
> On Sun, Jan 08, 2023 at 08:40:29PM +0100, Andreas Gruenbacher wrote:
> > +static struct folio *
> > +gfs2_iomap_page_prepare(struct iomap_iter *iter, loff_t pos, unsigned len)
> > {
> > + struct inode *inode = iter->inode;
> > unsi
On Sun, Jan 08, 2023 at 08:40:29PM +0100, Andreas Gruenbacher wrote:
> +static struct folio *
> +gfs2_iomap_page_prepare(struct iomap_iter *iter, loff_t pos, unsigned len)
> {
> + struct inode *inode = iter->inode;
> unsigned int blockmask = i_blocksize(inode) - 1;
> struct gfs2_sb
Change the iomap ->page_prepare() handler to get and return a locked
folio instead of doing that in iomap_write_begin(). This allows to
recover from out-of-memory situations in ->page_prepare(), which
eliminates the corresponding error handling code in iomap_write_begin().
The ->put_folio() handle
