video: rga: rga use fs_initcall to init early

[firefly-linux-kernel-4.4.55.git] / fs / buffer.c

diff --git a/fs/buffer.c b/fs/buffer.c
index 10fca21ee8aab4fdf1052076e5f70bdc964b3817..83fedaa53b55c0118f3858d4296de3f3acb7e293 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2018,6 +2018,7 @@ int generic_write_end(struct file *file, struct address_space *mapping,
                        struct page *page, void *fsdata)
 {
        struct inode *inode = mapping->host;
+       loff_t old_size = inode->i_size;
        int i_size_changed = 0;
 
        copied = block_write_end(file, mapping, pos, len, copied, page, fsdata);
@@ -2037,6 +2038,8 @@ int generic_write_end(struct file *file, struct address_space *mapping,
        unlock_page(page);
        page_cache_release(page);
 
+       if (old_size < pos)
+               pagecache_isize_extended(inode, old_size, pos);
        /*
         * Don't mark the inode dirty under page lock. First, it unnecessarily
         * makes the holding time of page lock longer. Second, it forces lock
@@ -2254,6 +2257,11 @@ static int cont_expand_zero(struct file *file, struct address_space *mapping,
                err = 0;
 
                balance_dirty_pages_ratelimited(mapping);
+
+               if (unlikely(fatal_signal_pending(current))) {
+                       err = -EINTR;
+                       goto out;
+               }
        }
 
        /* page covers the boundary, find the boundary offset */