Lines Matching defs:subpage
54 #include "subpage.h"
769 * Special check for subpage.
772 * for the following case, we will hit some subpage specific corner case:
782 * So here we add an artificial limit that subpage compression can only
791 * By this, we can ensure for subpage case that only the last async_cow
910 * For subpage case, we require full page alignment for the sector
969 * extent for the subpage case.
1316 * Due to the page size limit, for subpage we can only trigger the
1351 * as it doesn't have any subpage::writers recorded.
4800 * here to make sure it's properly set for the subpage stuff.
7939 * folio_end_writeback() is called but the subpage spinlock is not yet released.
7941 * for subpage spinlock. So this function is to spin and wait for subpage
7948 struct btrfs_subpage *subpage;
7954 subpage = folio_get_private(folio);
7959 * still holding the subpage spinlock.
7967 spin_lock_irq(&subpage->lock);
7968 spin_unlock_irq(&subpage->lock);
8039 * For subpage case, we have call sites like
8044 * record subpage dirty bits for other part of the range.