Lines Matching defs:from
379 * iomap_readahead - Attempt to read pages from a file.
387 * blocks from disc), and may wait for it. The caller may be trying to
433 iomap_is_partially_uptodate(struct page *page, unsigned long from,
442 len = min_t(unsigned, PAGE_SIZE - from, count);
445 first = from >> inode->i_blkbits;
446 last = (from + len - 1) >> inode->i_blkbits;
483 * If we are invalidating the entire page, clear the dirty state from it
558 unsigned from = offset_in_page(pos), to = from + len, poff, plen;
571 (from <= poff || from >= poff + plen) &&
578 zero_user_segments(page, poff, from, to, poff + plen);
761 size_t copied; /* Bytes copied from user */
771 * Bring in the user page that we will copy from _first_.
772 * Otherwise there's a nasty deadlock on copying from the
1450 * Refuse to write the page out if we are called from reclaim context.
1452 * This avoids stack overflows when called from deeply used stacks in
1454 * allow reclaim from kswapd as the stack usage there is relatively low.