fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info

[linux-block.git] / mm / filemap.c

diff --git a/mm/filemap.c b/mm/filemap.c
index 673e4581a2e541b44b02cd8ef201772dad5311a1..5d7c23c26f81bc978124f3a7c326e12a066c3f26 100644 (file)
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -211,7 +211,7 @@ void __delete_from_page_cache(struct page *page, void *shadow)
         */
        if (PageDirty(page) && mapping_cap_account_dirty(mapping)) {
                dec_zone_page_state(page, NR_FILE_DIRTY);
-               dec_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE);
+               dec_bdi_stat(inode_to_bdi(mapping->host), BDI_RECLAIMABLE);
        }
 }
 
@@ -2565,7 +2565,7 @@ ssize_t __generic_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
        size_t          count = iov_iter_count(from);
 
        /* We can write back this queue in page reclaim */
-       current->backing_dev_info = mapping->backing_dev_info;
+       current->backing_dev_info = inode_to_bdi(inode);
        err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));
        if (err)
                goto out;