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btrfs: remove redundant calls to flush_dcache_page

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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>
This commit is contained in:
David Sterba
2022-06-01 13:47:54 +02:00
parent bd8f7e6277
commit 21a8935ead
4 changed files with 4 additions and 16 deletions
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2
fs/btrfs/compression.c
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@ -760,7 +760,6 @@ static noinline int add_ra_bio_pages(struct inode *inode,
int zeros;
zeros = PAGE_SIZE - zero_offset;
memzero_page(page, zero_offset, zeros);
flush_dcache_page(page);
}
}
@ -1476,7 +1475,6 @@ int btrfs_decompress_buf2page(const char *buf, u32 buf_len,
ASSERT(copy_start - decompressed < buf_len);
memcpy_to_page(bvec.bv_page, bvec.bv_offset,
buf + copy_start - decompressed, copy_len);
flush_dcache_page(bvec.bv_page);
cur_offset += copy_len;
bio_advance(orig_bio, copy_len);