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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: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2021-05-31 16:50:41 +08:00 committed by David Sterba
parent 321a02db32
commit f02a85d2d5
1 changed files with 5 additions and 2 deletions
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7
fs/btrfs/file.c
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@ -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);
}
/*