EXPORT_SYMBOL_GPL(iomap_migrate_page);
#endif /* CONFIG_MIGRATION */
-enum {
- IOMAP_WRITE_F_UNSHARE = (1 << 0),
-};
-
static void
iomap_write_failed(struct inode *inode, loff_t pos, unsigned len)
{
}
static int __iomap_write_begin(struct iomap_iter *iter, loff_t pos,
- unsigned len, int flags, struct page *page)
+ unsigned len, struct page *page)
{
struct iomap *srcmap = iomap_iter_srcmap(iter);
struct iomap_page *iop = iomap_page_create(iter->inode, page);
if (plen == 0)
break;
- if (!(flags & IOMAP_WRITE_F_UNSHARE) &&
+ if (!(iter->flags & IOMAP_UNSHARE) &&
(from <= poff || from >= poff + plen) &&
(to <= poff || to >= poff + plen))
continue;
if (iomap_block_needs_zeroing(iter, block_start)) {
- if (WARN_ON_ONCE(flags & IOMAP_WRITE_F_UNSHARE))
+ if (WARN_ON_ONCE(iter->flags & IOMAP_UNSHARE))
return -EIO;
zero_user_segments(page, poff, from, to, poff + plen);
} else {
}
static int iomap_write_begin(struct iomap_iter *iter, loff_t pos, unsigned len,
- unsigned flags, struct page **pagep)
+ struct page **pagep)
{
const struct iomap_page_ops *page_ops = iter->iomap.page_ops;
struct iomap *srcmap = iomap_iter_srcmap(iter);
else if (srcmap->flags & IOMAP_F_BUFFER_HEAD)
status = __block_write_begin_int(page, pos, len, NULL, srcmap);
else
- status = __iomap_write_begin(iter, pos, len, flags, page);
+ status = __iomap_write_begin(iter, pos, len, page);
if (unlikely(status))
goto out_unlock;
break;
}
- status = iomap_write_begin(iter, pos, bytes, 0, &page);
+ status = iomap_write_begin(iter, pos, bytes, &page);
if (unlikely(status))
break;
unsigned long bytes = min_t(loff_t, PAGE_SIZE - offset, length);
struct page *page;
- status = iomap_write_begin(iter, pos, bytes,
- IOMAP_WRITE_F_UNSHARE, &page);
+ status = iomap_write_begin(iter, pos, bytes, &page);
if (unlikely(status))
return status;
.inode = inode,
.pos = pos,
.len = len,
- .flags = IOMAP_WRITE,
+ .flags = IOMAP_WRITE | IOMAP_UNSHARE,
};
int ret;
unsigned offset = offset_in_page(pos);
unsigned bytes = min_t(u64, PAGE_SIZE - offset, length);
- status = iomap_write_begin(iter, pos, bytes, 0, &page);
+ status = iomap_write_begin(iter, pos, bytes, &page);
if (status)
return status;