Commit f02a85d2 authored by Qu Wenruo's avatar Qu Wenruo Committed by David Sterba
Browse files

btrfs: make btrfs_dirty_pages() to be subpage compatible 



Since the extent io tree operations in btrfs_dirty_pages() are already
subpage compatible, we only need to make the page status update to use
subpage helpers.

Tested-by: Ritesh Harjani <riteshh@linux.ibm.com> # [ppc64]
Tested-by: Anand Jain <anand.jain@oracle.com> # [aarch64]
Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarQu Wenruo <wqu@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 321a02db

fs/btrfs/file.c

+5 −2
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include "compression.h"

#include "delalloc-space.h"

#include "reflink.h"

#include "subpage.h"



static struct kmem_cache *btrfs_inode_defrag_cachep;

/*
@@ -482,6 +483,7 @@ int btrfs_dirty_pages(struct btrfs_inode *inode, struct page **pages, 
	start_pos = round_down(pos, fs_info->sectorsize);

	num_bytes = round_up(write_bytes + pos - start_pos,

			     fs_info->sectorsize);

	ASSERT(num_bytes <= U32_MAX);



	end_of_last_block = start_pos + num_bytes - 1;
@@ -500,9 +502,10 @@ int btrfs_dirty_pages(struct btrfs_inode *inode, struct page **pages, 


	for (i = 0; i < num_pages; i++) {

		struct page *p = pages[i];

		SetPageUptodate(p);



		btrfs_page_clamp_set_uptodate(fs_info, p, start_pos, num_bytes);

		ClearPageChecked(p);

		set_page_dirty(p);

		btrfs_page_clamp_set_dirty(fs_info, p, start_pos, num_bytes);

	}



	/*