From 21a8935ead31c09a8ecb06e3b7a5289a630645ac Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.com>
Date: Wed, 1 Jun 2022 13:47:54 +0200
Subject: btrfs: remove redundant calls to flush_dcache_page
Both memzero_page and memcpy_to_page already call flush_dcache_page so
we can remove the calls from btrfs code.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/reflink.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
(limited to 'fs/btrfs/reflink.c')
diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index a3549d587464..e30f53bd4e55 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -110,7 +110,6 @@ static int copy_inline_to_page(struct btrfs_inode *inode,
if (comp_type == BTRFS_COMPRESS_NONE) {
memcpy_to_page(page, offset_in_page(file_offset), data_start,
datal);
- flush_dcache_page(page);
} else {
ret = btrfs_decompress(comp_type, data_start, page,
offset_in_page(file_offset),
@@ -132,10 +131,8 @@ static int copy_inline_to_page(struct btrfs_inode *inode,
*
* So what's in the range [500, 4095] corresponds to zeroes.
*/
- if (datal < block_size) {
+ if (datal < block_size)
memzero_page(page, datal, block_size - datal);
- flush_dcache_page(page);
- }
btrfs_page_set_uptodate(fs_info, page, file_offset, block_size);
btrfs_page_clear_checked(fs_info, page, file_offset, block_size);
--
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