bcachefs: Trivial cleanup

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/fs-io.c b/fs/bcachefs/fs-io.c
index e3f1d1dd06aedbb661c27a9d1ec8055b118ceab3..42c5719155e67f3ad235991f15a57a4ffe4841a2 100644 (file)
--- a/fs/bcachefs/fs-io.c
+++ b/fs/bcachefs/fs-io.c
@@ -830,11 +830,7 @@ vm_fault_t bch2_page_mkwrite(struct vm_fault *vmf)
                goto out;
        }
 
-       /* page is wholly or partially inside EOF */
-       if (((page->index + 1) << PAGE_SHIFT) <= isize)
-               len = PAGE_SIZE;
-       else
-               len = offset_in_page(isize);
+       len = min_t(loff_t, PAGE_SIZE, isize - page_offset(page));
 
        if (bch2_page_reservation_get(c, inode, page, &res, 0, len, true)) {
                unlock_page(page);