int
zpl_putpage(struct page *pp, struct writeback_control *wbc, void *data)
{
struct address_space *mapping = data;
fstrans_cookie_t cookie;
ASSERT(PageLocked(pp));
ASSERT(!PageWriteback(pp));
cookie = spl_fstrans_mark();
(void) zfs_putpage(mapping->host, pp, wbc);
spl_fstrans_unmark(cookie);
return (0);
}
int
zpl_putpage(struct page *pp, struct writeback_control *wbc, void *data)
{
struct address_space *mapping = data;
ASSERT(PageLocked(pp));
ASSERT(!PageWriteback(pp));
ASSERT(!(current->flags & PF_NOFS));
/*
* Annotate this call path with a flag that indicates that it is
* unsafe to use KM_SLEEP during memory allocations due to the
* potential for a deadlock. KM_PUSHPAGE should be used instead.
*/
current->flags |= PF_NOFS;
(void) zfs_putpage(mapping->host, pp, wbc);
current->flags &= ~PF_NOFS;
return (0);
}