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btrfs: fix fsverify read error handling in end_page_read

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Also clear the uptodate bit to make sure the page isn't seen as uptodate
in the page cache if fsverity verification fails.

Fixes: 146054090b ("btrfs: initial fsverity support")
CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christoph Hellwig
2023-05-31 08:04:52 +02:00
committed by David Sterba
parent ed9ee98ecb
commit 2c14f0ffdd
1 changed files with 2 additions and 6 deletions
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8
fs/btrfs/extent_io.c
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@@ -497,12 +497,8 @@ static void end_page_read(struct page *page, bool uptodate, u64 start, u32 len)
ASSERT(page_offset(page) <= start &&
start + len <= page_offset(page) + PAGE_SIZE);
if (uptodate) {
if (!btrfs_verify_page(page, start)) {
btrfs_page_set_error(fs_info, page, start, len);
} else {
btrfs_page_set_uptodate(fs_info, page, start, len);
}
if (uptodate && btrfs_verify_page(page, start)) {
btrfs_page_set_uptodate(fs_info, page, start, len);
} else {
btrfs_page_clear_uptodate(fs_info, page, start, len);
btrfs_page_set_error(fs_info, page, start, len);